Merge pull request #2922 from cesanta/newskeleton

move to Wizard
This commit is contained in:
Sergio R. Caprile 2024-10-02 14:51:57 -03:00 committed by GitHub
commit 03246997fa
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59 changed files with 192 additions and 3732 deletions

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@ -305,7 +305,59 @@ jobs:
- run: make -C examples/arduino clean
generic_examples:
# wizard_examples:
# runs-on: ubuntu-latest
# strategy:
# fail-fast: false
# matrix:
# example:
# - path: esp32/esp32-idf
# name: ${{ matrix.example.path }}
# env:
# GO: 0
# steps:
# - uses: actions/checkout@v4
# with: { fetch-depth: 2 }
# - run: echo # nothing specific to install or do
# fi
# - run: make -C examples/${{ matrix.example.path }} build
wizard_examples_arm:
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
example:
- path: nxp/frdm-mcxn947-make-baremetal-builtin
- path: nxp/frdm-mcxn947-make-freertos-builtin
- path: nxp/rt1020-evk-make-baremetal-builtin
- path: nxp/rt1060-evk-make-baremetal-builtin
- path: nxp/rt1170-evk-make-baremetal-builtin
- path: stm32/nucleo-f429zi-make-baremetal-builtin
- path: stm32/nucleo-f429zi-make-freertos-builtin
- path: stm32/nucleo-f746zg-make-baremetal-builtin
- path: stm32/nucleo-f746zg-make-freertos-builtin
- path: stm32/nucleo-h563zi-make-baremetal-builtin
- path: stm32/nucleo-h563zi-make-freertos-builtin
- path: stm32/nucleo-h723zg-make-baremetal-builtin
- path: stm32/nucleo-h723zg-make-freertos-builtin
- path: stm32/nucleo-h743zi-make-baremetal-builtin
- path: stm32/nucleo-h743zi-make-freertos-builtin
- path: stm32/stm32h573i-dk-make-baremetal-builtin
- path: stm32/stm32h573i-dk-make-freertos-builtin
- path: ti/ek-tm4c1294xl-make-baremetal-builtin
- path: ti/ek-tm4c1294xl-make-freertos-builtin
name: ${{ matrix.example.path }}
env:
GO: 0
steps:
- uses: actions/checkout@v4
with: { fetch-depth: 2 }
- run: sudo apt -y update && sudo apt -y install gcc-arm-none-eabi
- run: make -C examples/${{ matrix.example.path }} build
generic_examples:
runs-on: ubuntu-latest
strategy:
fail-fast: false
@ -320,7 +372,6 @@ jobs:
steps:
- uses: actions/checkout@v4
with: { fetch-depth: 2 }
- run: if ./test/match_changed_files.sh '^src|^examples/${{ matrix.example.path }}'; then echo GO=1 >> $GITHUB_ENV ; fi
- run: echo # nothing specific to install or do
- run: make -C examples/${{ matrix.example.path }} build
@ -387,34 +438,15 @@ jobs:
example:
- path: infineon/infineon-xmc7200
- path: microchip/same54-xpro/device-dashboard
- path: nxp/rt1020-evk-make-baremetal-builtin
- path: nxp/rt1020-evk-make-freertos-builtin
- path: nxp/frdm-mcxn947-make-baremetal-builtin
- path: nxp/frdm-mcxn947-make-freertos-builtin
- path: nxp/rt1060-evk-make-baremetal-builtin
- path: nxp/rt1060-evk-make-freertos-builtin
- path: nxp/rt1170-evk-make-baremetal-builtin
- path: nxp/rt1170-evk-make-freertos-builtin
- path: renesas/ek-ra6m4-make-baremetal-builtin
- path: rp2040/pico-rndis-dashboard
- path: rp2040/pico-w
- path: rp2040/pico-w5500
- path: stm32/nucleo-f429zi-make-baremetal-builtin
- path: stm32/nucleo-f429zi-make-freertos-builtin
- path: stm32/nucleo-f746zg-make-baremetal-builtin
- path: stm32/nucleo-f746zg-make-freertos-builtin
- path: stm32/nucleo-f746zg-make-freertos-tcp
- path: stm32/nucleo-f746zg-make-baremetal-builtin-cmsis_driver
- path: stm32/nucleo-h563zi-make-baremetal-builtin
- path: stm32/nucleo-h563zi-make-freertos-builtin
- path: stm32/nucleo-h723zg-make-baremetal-builtin
- path: stm32/nucleo-h723zg-make-freertos-builtin
- path: stm32/nucleo-h743zi-make-baremetal-builtin
- path: stm32/nucleo-h743zi-make-freertos-builtin
- path: stm32/stm32h573i-dk-make-baremetal-builtin
- path: stm32/stm32h573i-dk-make-freertos-builtin
- path: ti/ek-tm4c1294xl-make-baremetal-builtin
- path: ti/ek-tm4c1294xl-make-freertos-builtin
name: ${{ matrix.example.path }} ${{ matrix.ssl }}
steps:
- uses: actions/checkout@v4

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@ -173,6 +173,67 @@ jobs:
- run: make -C test clean_tutorials_mac
# wizard_examples:
# runs-on: ubuntu-latest
# strategy:
# fail-fast: false
# matrix:
# example:
# - path: esp32/esp32-idf
# name: ${{ matrix.example.path }}
# env:
# GO: 0
# steps:
# - uses: actions/checkout@v4
# with: { fetch-depth: 2 }
# - run: |
# if ./test/match_changed_files.sh '^src'; then
# echo GO=1 >> $GITHUB_ENV
# # nothing specific to install or do
# fi
# - if: ${{ env.GO == 1 }}
# run: make -C examples/${{ matrix.example.path }} build
wizard_examples_arm:
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
example:
- path: nxp/frdm-mcxn947-make-baremetal-builtin
- path: nxp/frdm-mcxn947-make-freertos-builtin
- path: nxp/rt1020-evk-make-baremetal-builtin
- path: nxp/rt1060-evk-make-baremetal-builtin
- path: nxp/rt1170-evk-make-baremetal-builtin
- path: stm32/nucleo-f429zi-make-baremetal-builtin
- path: stm32/nucleo-f429zi-make-freertos-builtin
- path: stm32/nucleo-f746zg-make-baremetal-builtin
- path: stm32/nucleo-f746zg-make-freertos-builtin
- path: stm32/nucleo-h563zi-make-baremetal-builtin
- path: stm32/nucleo-h563zi-make-freertos-builtin
- path: stm32/nucleo-h723zg-make-baremetal-builtin
- path: stm32/nucleo-h723zg-make-freertos-builtin
- path: stm32/nucleo-h743zi-make-baremetal-builtin
- path: stm32/nucleo-h743zi-make-freertos-builtin
- path: stm32/stm32h573i-dk-make-baremetal-builtin
- path: stm32/stm32h573i-dk-make-freertos-builtin
- path: ti/ek-tm4c1294xl-make-baremetal-builtin
- path: ti/ek-tm4c1294xl-make-freertos-builtin
name: ${{ matrix.example.path }}
env:
GO: 0
steps:
- uses: actions/checkout@v4
with: { fetch-depth: 2 }
- run: |
if ./test/match_changed_files.sh '^src'; then
echo GO=1 >> $GITHUB_ENV
sudo apt -y update && sudo apt -y install gcc-arm-none-eabi
fi
- if: ${{ env.GO == 1 }}
run: make -C examples/${{ matrix.example.path }} build
generic_examples:
runs-on: ubuntu-latest
strategy:
@ -243,34 +304,15 @@ jobs:
example:
- path: infineon/infineon-xmc7200
- path: microchip/same54-xpro/device-dashboard
- path: nxp/frdm-mcxn947-make-baremetal-builtin
- path: nxp/frdm-mcxn947-make-freertos-builtin
- path: nxp/rt1020-evk-make-baremetal-builtin
- path: nxp/rt1020-evk-make-freertos-builtin
- path: nxp/rt1060-evk-make-baremetal-builtin
- path: nxp/rt1060-evk-make-freertos-builtin
- path: nxp/rt1170-evk-make-baremetal-builtin
- path: nxp/rt1170-evk-make-freertos-builtin
- path: renesas/ek-ra6m4-make-baremetal-builtin
- path: rp2040/pico-rndis-dashboard
- path: rp2040/pico-w
- path: rp2040/pico-w5500
- path: stm32/nucleo-f429zi-make-baremetal-builtin
- path: stm32/nucleo-f429zi-make-freertos-builtin
- path: stm32/nucleo-f746zg-make-baremetal-builtin
- path: stm32/nucleo-f746zg-make-freertos-builtin
- path: stm32/nucleo-f746zg-make-freertos-tcp
- path: stm32/nucleo-f746zg-make-baremetal-builtin-cmsis_driver
- path: stm32/nucleo-h563zi-make-baremetal-builtin
- path: stm32/nucleo-h563zi-make-freertos-builtin
- path: stm32/nucleo-h723zg-make-baremetal-builtin
- path: stm32/nucleo-h723zg-make-freertos-builtin
- path: stm32/nucleo-h743zi-make-baremetal-builtin
- path: stm32/nucleo-h743zi-make-freertos-builtin
- path: stm32/stm32h573i-dk-make-baremetal-builtin
- path: stm32/stm32h573i-dk-make-freertos-builtin
- path: ti/ek-tm4c1294xl-make-baremetal-builtin
- path: ti/ek-tm4c1294xl-make-freertos-builtin
name: ${{ matrix.example.path }}
env:
GO: 0

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@ -1,45 +1,29 @@
CFLAGS = -W -Wall -Wextra -Werror -Wundef -Wshadow -Wdouble-promotion
CFLAGS += -Wformat-truncation -fno-common # -Wconversion is not SDK-friendly
CFLAGS += -g3 -Os -ffunction-sections -fdata-sections
CFLAGS += -I. -Icmsis_core/CMSIS/Core/Include -Icmsis_mcu/devices/MCXN947/
CFLAGS += -Icmsis_mcu/devices/MCXN947/drivers
CFLAGS += -DCPU_MCXN947VDF -DCPU_MCXN947VDF_cm33 -DCPU_MCXN947VDF_cm33_core0
CFLAGS += -mcpu=cortex-m33 -mthumb -mfloat-abi=hard -mfpu=fpv5-sp-d16 $(CFLAGS_EXTRA)
CFLAGS += -Wno-old-style-declaration -Wno-unused-parameter # due to NXP FSL code
LDSCRIPT = link.ld
LDFLAGS ?= -T$(LDSCRIPT) -nostdlib -nostartfiles --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
SOURCES = main.c hal.c
SOURCES += startup.c
SOURCES += cmsis_mcu/devices/MCXN947/drivers/fsl_clock.c cmsis_mcu/devices/MCXN947/drivers/fsl_spc.c cmsis_mcu/devices/MCXN947/drivers/fsl_common_arm.c # NXP support files
# Mongoose options are defined in mongoose_config.h
SOURCES += mongoose.c net.c packed_fs.c
# Example specific build options. See README.md
CFLAGS += -DHTTP_URL=\"http://0.0.0.0/\" -DHTTPS_URL=\"https://0.0.0.0/\"
ifeq ($(OS),Windows_NT)
RM = cmd /C del /Q /F /S
else
RM = rm -rf
endif
BOARD = mcxn947
IDE = GCC+make
RTOS = baremetal
WIZARD_URL ?= http://mongoose.ws/wizard
all build example: firmware.bin
firmware.bin: firmware.elf
arm-none-eabi-objcopy -O binary $< $@
firmware.bin: wizard
make -C wizard CFLAGS_EXTRA=$(CFLAGS_EXTRA) && mv wizard/firmware.bin ./
firmware.elf: cmsis_core cmsis_mcu $(SOURCES) hal.h link.ld Makefile
arm-none-eabi-gcc $(SOURCES) $(CFLAGS) $(LDFLAGS) -o $@
arm-none-eabi-size $@
wizard:
hash=$$(curl -s -X POST -H "Content-Type: application/json" -d '{"build":{"board":"$(BOARD)","ide":"$(IDE)","rtos":"$(RTOS)"}}' $(WIZARD_URL)/api/hash | jq -r '.hash') \
&& curl -s $(WIZARD_URL)/api/zip/$(BOARD)/$(IDE)/$(RTOS)/$$hash -o wizard.zip
unzip wizard.zip
cd wizard ; rm mongoose.[ch] ; ln -s ../../../../mongoose.c ; ln -s ../../../../mongoose.h
# Automated remote test. Requires env variable VCON_API_KEY set. See https://vcon.io/automated-firmware-tests/
DEVICE_URL ?= https://dash.vcon.io/api/v3/devices/??
update: firmware.bin
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/ota --data-binary @$<
test update: CFLAGS_EXTRA ="-DUART_DEBUG=USART?"
test: update
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=15 | tee /tmp/output.txt
grep 'READY, IP:' /tmp/output.txt # Check for network init
cmsis_core: # ARM CMSIS core headers
git clone -q --depth 1 -b 5.9.0 https://github.com/ARM-software/CMSIS_5 $@
cmsis_mcu:
wget -O $@.zip https://mcuxpresso.nxp.com/cmsis_pack/repo/NXP.MCXN947_DFP.17.0.0.pack
mkdir $@ && cd $@ && unzip -q ../$@.zip
clean:
$(RM) firmware.* *.su cmsis_core cmsis_mcu *.zip
rm -rf firmware.* wizard*

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@ -0,0 +1 @@
See [Wizard](https://mongoose.ws/wizard/#/output?board=mcxn947&ide=GCC+make&rtos=baremetal&file=README.md)

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@ -1,187 +0,0 @@
// Copyright (c) 2024 Cesanta Software Limited
// All rights reserved
#include "hal.h"
static volatile uint64_t s_ticks; // Milliseconds since boot
void SysTick_Handler(void) { // SyStick IRQ handler, triggered every 1ms
s_ticks++;
}
#if 0
bool mg_random(void *buf, size_t len) { // Use on-board RNG
for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
uint32_t r = rng_read();
memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
}
return true;
}
#endif
uint64_t mg_millis(void) { // Let Mongoose use our uptime function
return s_ticks; // Return number of milliseconds since boot
}
void hal_init(void) {
clock_init(); // Set system clock to SYS_FREQUENCY
SystemCoreClock = SYS_FREQUENCY; // Update SystemCoreClock global var
SysTick_Config(SystemCoreClock / 1000); // Sys tick every 1ms
// rng_init(); // TRNG is part of ELS and there is no info on that
uart_init(UART_DEBUG, 115200); // Initialise UART
gpio_output(LED1); // Initialise LED1
gpio_write(LED1, 1);
gpio_output(LED2); // Initialise LED2
gpio_write(LED2, 1);
gpio_output(LED3); // Initialise LED3
gpio_write(LED3, 1);
ethernet_init(); // Initialise Ethernet pins
}
#if defined(__ARMCC_VERSION)
// Keil specific - implement IO printf redirection
int fputc(int c, FILE *stream) {
if (stream == stdout || stream == stderr) uart_write_byte(UART_DEBUG, c);
return c;
}
#elif defined(__GNUC__)
// ARM GCC specific. ARM GCC is shipped with Newlib C library.
// Implement newlib syscalls:
// _sbrk() for malloc
// _write() for printf redirection
// the rest are just stubs
#include <sys/stat.h> // For _fstat()
#if !defined(__MCUXPRESSO)
uint32_t SystemCoreClock;
// evaluate your use of Secure/non-Secure and modify accordingly
void SystemInit(void) { // Called automatically by startup code
SCB->CPACR |=
#if 0
(3UL << 0 * 2) | (3UL << 1 * 2) | // Enable PowerQuad (CPO/CP1)
#endif
(3UL << 10 * 2) | (3UL << 11 * 2); // Enable FPU
__DSB();
__ISB();
SYSCON->LPCAC_CTRL &= ~SYSCON_LPCAC_CTRL_DIS_LPCAC_MASK; // enable LPCAC
// Read TRM 36.1 and decide whether you really want to enable aGDET and dGDET
#if 1
// Disable aGDET and dGDET
ITRC0->OUT_SEL[4][0] =
(ITRC0->OUT_SEL[4][0] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn_MASK) |
(ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn(0x2));
ITRC0->OUT_SEL[4][1] =
(ITRC0->OUT_SEL[4][1] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn_MASK) |
(ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn(0x2));
SPC0->ACTIVE_CFG |= SPC_ACTIVE_CFG_GLITCH_DETECT_DISABLE_MASK;
SPC0->GLITCH_DETECT_SC &= ~SPC_GLITCH_DETECT_SC_LOCK_MASK;
SPC0->GLITCH_DETECT_SC = 0x3C;
SPC0->GLITCH_DETECT_SC |= SPC_GLITCH_DETECT_SC_LOCK_MASK;
ITRC0->OUT_SEL[4][0] =
(ITRC0->OUT_SEL[4][0] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn_MASK) |
(ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn(0x2));
ITRC0->OUT_SEL[4][1] =
(ITRC0->OUT_SEL[4][1] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn_MASK) |
(ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn(0x2));
GDET0->GDET_ENABLE1 = 0;
GDET1->GDET_ENABLE1 = 0;
#endif
}
#endif
int _fstat(int fd, struct stat *st) {
(void) fd, (void) st;
return -1;
}
#if !defined(__MCUXPRESSO)
extern unsigned char _end[]; // End of data section, start of heap. See link.ld
static unsigned char *s_current_heap_end = _end;
size_t hal_ram_used(void) {
return (size_t) (s_current_heap_end - _end);
}
size_t hal_ram_free(void) {
unsigned char endofstack;
return (size_t) (&endofstack - s_current_heap_end);
}
void *_sbrk(int incr) {
unsigned char *prev_heap;
unsigned char *heap_end = (unsigned char *) ((size_t) &heap_end - 256);
prev_heap = s_current_heap_end;
// Check how much space we got from the heap end to the stack end
if (s_current_heap_end + incr > heap_end) return (void *) -1;
s_current_heap_end += incr;
return prev_heap;
}
#endif
int _open(const char *path) {
(void) path;
return -1;
}
int _close(int fd) {
(void) fd;
return -1;
}
int _isatty(int fd) {
(void) fd;
return 1;
}
int _lseek(int fd, int ptr, int dir) {
(void) fd, (void) ptr, (void) dir;
return 0;
}
void _exit(int status) {
(void) status;
for (;;) asm volatile("BKPT #0");
}
void _kill(int pid, int sig) {
(void) pid, (void) sig;
}
int _getpid(void) {
return -1;
}
int _write(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
if (fd == 1) uart_write_buf(UART_DEBUG, ptr, (size_t) len);
return -1;
}
int _read(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
return -1;
}
int _link(const char *a, const char *b) {
(void) a, (void) b;
return -1;
}
int _unlink(const char *a) {
(void) a;
return -1;
}
int _stat(const char *path, struct stat *st) {
(void) path, (void) st;
return -1;
}
int mkdir(const char *path, mode_t mode) {
(void) path, (void) mode;
return -1;
}
void _init(void) {
}
#endif // __GNUC__

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@ -1,223 +0,0 @@
// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#define LED1 PIN(0, 10)
#define LED2 PIN(0, 27)
#define LED3 PIN(1, 2)
#ifndef UART_DEBUG
#define UART_DEBUG LPUART4
#endif
#include "MCXN947_cm33_core0.h"
#define BIT(x) (1UL << (x))
#define CLRSET(reg, clear, set) ((reg) = ((reg) & ~(clear)) | (set))
#define PIN(bank, num) ((bank << 8) | (num))
#define PINNO(pin) (pin & 255)
#define PINBANK(pin) (pin >> 8)
void hal_init(void);
size_t hal_ram_free(void);
size_t hal_ram_used(void);
static inline void spin(volatile uint32_t count) {
while (count--) (void) 0;
}
#define SYS_FREQUENCY 150000000UL
enum { GPIO_MODE_INPUT, GPIO_MODE_OUTPUT };
enum { GPIO_OTYPE_PUSH_PULL, GPIO_OTYPE_OPEN_DRAIN };
enum { GPIO_SPEED_LOW, GPIO_SPEED_HIGH };
enum { GPIO_PULL_NONE, GPIO_PULL_DOWN, GPIO_PULL_UP };
static inline GPIO_Type *gpio_bank(uint16_t pin) {
static GPIO_Type *const g[] = GPIO_BASE_PTRS;
return g[PINBANK(pin)];
}
static inline void gpio_init(uint16_t pin, uint8_t mode, uint8_t type,
uint8_t speed, uint8_t pull, uint8_t af) {
static PORT_Type *const p[] = PORT_BASE_PTRS;
PORT_Type *port = p[PINBANK(pin)];
GPIO_Type *gpio = gpio_bank(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
bool dopull = pull > 0;
if (dopull) --pull;
if (gpio != GPIO5) {
SYSCON->AHBCLKCTRL0 |=
(1 << (SYSCON_AHBCLKCTRL0_GPIO0_SHIFT + PINBANK(pin))) |
(1 << (SYSCON_AHBCLKCTRL0_PORT0_SHIFT + PINBANK(pin)));
};
port->PCR[PINNO(pin)] = PORT_PCR_IBE(1) | PORT_PCR_MUX(af) | PORT_PCR_DSE(1) |
PORT_PCR_ODE(type) |
PORT_PCR_SRE(speed != GPIO_SPEED_HIGH) |
PORT_PCR_PE(dopull) | PORT_PCR_PS(pull);
gpio->ICR[PINNO(pin)] = GPIO_ICR_ISF_MASK;
if (mode == GPIO_MODE_INPUT) {
gpio->PDDR &= ~mask;
} else {
gpio->PDDR |= mask;
}
}
static inline void gpio_input(uint16_t pin) {
gpio_init(pin, GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_NONE, 0);
}
static inline void gpio_output(uint16_t pin) {
gpio_init(pin, GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_NONE, 0);
}
static inline bool gpio_read(uint16_t pin) {
GPIO_Type *gpio = gpio_bank(pin);
return gpio->PDR[PINNO(pin)];
}
static inline void gpio_write(uint16_t pin, bool value) {
GPIO_Type *gpio = gpio_bank(pin);
if (value) {
gpio->PDR[PINNO(pin)] = 1;
} else {
gpio->PDR[PINNO(pin)] = 0;
}
}
static inline void gpio_toggle(uint16_t pin) {
GPIO_Type *gpio = gpio_bank(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
gpio->PTOR = mask;
}
// MCU-Link UART (P1_9/8; FC4_P1/0)
// Arduino J1_2/4 UART (P4_3/2; FC2_P3/2)
// 33.3.23 LP_FLEXCOMM clocking
// 66.2.4 LP_FLEXCOMM init
// 66.5 LPUART
static inline void uart_init(LPUART_Type *uart, unsigned long baud) {
static LP_FLEXCOMM_Type *const f[] = LP_FLEXCOMM_BASE_PTRS;
uint8_t af = 2, fc = 0; // Alternate function, FlexComm instance
uint16_t pr = 0, pt = 0; // pins
uint32_t freq = 12000000; // fro_12_m
if (uart == LPUART2) fc = 2, pt = PIN(4, 3), pr = PIN(4, 2);
if (uart == LPUART4) fc = 4, pt = PIN(1, 9), pr = PIN(1, 8);
SYSCON->AHBCLKCTRL1 |= (1 << (SYSCON_AHBCLKCTRL1_FC0_SHIFT + fc));
SYSCON->PRESETCTRL1 |= (1 << (SYSCON_PRESETCTRL1_FC0_RST_SHIFT + fc));
SYSCON->PRESETCTRL1 &= ~(1 << (SYSCON_PRESETCTRL1_FC0_RST_SHIFT + fc));
SYSCON->FCCLKSEL[fc] = SYSCON_FCCLKSEL_SEL(2); // clock from FRO_12M / 1
SYSCON->FLEXCOMMCLKDIV[fc] = SYSCON_FLEXCOMMXCLKDIV_FLEXCOMMCLKDIV_DIV(0);
LP_FLEXCOMM_Type *flexcomm = f[fc];
flexcomm->PSELID = LP_FLEXCOMM_PSELID_PERSEL(1); // configure as UART
gpio_init(pt, GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_UP, af);
gpio_init(pr, GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_UP, af);
uart->GLOBAL |= LPUART_GLOBAL_RST_MASK; // reset, CTRL = 0, defaults
uart->GLOBAL &= ~LPUART_GLOBAL_RST_MASK;
// use a weird oversample ratio of 26x to fit specs, standard 16x won't do
CLRSET(uart->BAUD,
LPUART_BAUD_OSR_MASK | LPUART_BAUD_SBR_MASK | LPUART_BAUD_SBNS_MASK,
LPUART_BAUD_OSR(26 - 1) | LPUART_BAUD_SBR(freq / (26 * baud)));
CLRSET(uart->CTRL,
LPUART_CTRL_PE_MASK | LPUART_CTRL_M_MASK | LPUART_CTRL_ILT_MASK |
LPUART_CTRL_IDLECFG_MASK,
LPUART_CTRL_IDLECFG(1) | LPUART_CTRL_ILT(1) |
LPUART_BAUD_SBNS(0)); // no parity, idle 2 chars after 1 stop bit
uart->CTRL |= LPUART_CTRL_TE_MASK | LPUART_CTRL_RE_MASK;
}
static inline void uart_write_byte(LPUART_Type *uart, uint8_t byte) {
uart->DATA = byte;
while ((uart->STAT & LPUART_STAT_TDRE_MASK) == 0) spin(1);
}
static inline void uart_write_buf(LPUART_Type *uart, char *buf, size_t len) {
while (len-- > 0) uart_write_byte(uart, *(uint8_t *) buf++);
}
static inline void rng_init(void) {
}
static inline uint32_t rng_read(void) {
return 42;
}
// - PHY and MAC clocked via a 50MHz oscillator, P1_4 (ENET0_TXCLK)
// - 33.3.30 ENET clocking
// - SMI clocked from AHB module clock (CSR)
// - PHY RST connected to P5_8
// - PHY RXD0,1,DV = 1 on RST enable autonegotiation, no hw pull-ups
static inline void ethernet_init(void) {
// '0' in clk_rmii, set for RMII mode
SYSCON->ENETRMIICLKSEL = SYSCON_ENETRMIICLKSEL_SEL(0);
SYSCON->ENETRMIICLKDIV = SYSCON_ENETRMIICLKDIV_DIV(0);
SYSCON->AHBCLKCTRL2 |= SYSCON_AHBCLKCTRL2_ENET_MASK; // enable bus clk
SYSCON0->PRESETCTRL2 = SYSCON_PRESETCTRL2_ENET_RST_MASK; // reset MAC
SYSCON0->PRESETCTRL2 &= ~SYSCON_PRESETCTRL2_ENET_RST_MASK; // then set RMII
SYSCON0->ENET_PHY_INTF_SEL |= SYSCON_ENET_PHY_INTF_SEL_PHY_SEL_MASK;
gpio_init(PIN(5, 8), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_NONE, 0); // set P5_8 as GPIO (PHY \RST)
gpio_write(PIN(5, 8), 0); // reset PHY
gpio_init(PIN(1, 4), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_4 as ENET0_TXCLK
gpio_init(PIN(1, 5), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_5 as ENET0_TXEN
gpio_init(PIN(1, 6), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_6 as ENET0_TXD0
gpio_init(PIN(1, 7), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_7 as ENET0_TXD1
gpio_init(PIN(1, 13), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_UP, 9); // set P1_13 as ENET0_RXDV
gpio_init(PIN(1, 14), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_UP, 9); // set P1_14 as ENET0_RXD0
gpio_init(PIN(1, 15), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_UP, 9); // set P1_15 as ENET0_RXD1
gpio_init(PIN(1, 20), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_20 as ENET0_MDC
gpio_init(PIN(1, 21), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_21 as ENET0_MDIO
spin(10000); // keep PHY RST low for a while
gpio_write(PIN(5, 8), 1); // deassert RST
NVIC_EnableIRQ(ETHERNET_IRQn); // Setup Ethernet IRQ handler
}
#include "fsl_clock.h"
#include "fsl_spc.h"
// 33.2 Figure 127 SCG main clock
static inline void clock_init(void) {
SYSCON->AHBCLKCTRL2 |= SYSCON_AHBCLKCTRL2_SCG_MASK; // enable SCG clk
CLRSET(SCG0->RCCR, SCG_CSR_SCS_MASK, SCG_CSR_SCS(2)); // clock main_clock
spc_active_mode_dcdc_option_t dcdc = {
.DCDCVoltage = kSPC_DCDC_OverdriveVoltage,
.DCDCDriveStrength = kSPC_DCDC_NormalDriveStrength};
SPC_SetActiveModeDCDCRegulatorConfig(SPC0, &dcdc); // Set DCDC to 1.2 V
spc_active_mode_core_ldo_option_t ldo = {
.CoreLDOVoltage = kSPC_CoreLDO_OverDriveVoltage,
.CoreLDODriveStrength = kSPC_CoreLDO_NormalDriveStrength};
SPC_SetActiveModeCoreLDORegulatorConfig(SPC0, &ldo); // Set LDO_CORE to 1.2 V
CLRSET(FMU0->FCTRL, FMU_FCTRL_RWSC_MASK, FMU_FCTRL_RWSC(3)); // Set Flash WS
spc_sram_voltage_config_t sram = {.operateVoltage = kSPC_sramOperateAt1P2V,
.requestVoltageUpdate = true};
SPC_SetSRAMOperateVoltage(SPC0, &sram); // Set SRAM timing for 1.2V
CLOCK_SetupFROHFClocking(48000000U); // Enable FRO HF
const pll_setup_t pll0 = {.pllctrl = SCG_APLLCTRL_SOURCE(1U) |
SCG_APLLCTRL_SELI(27U) |
SCG_APLLCTRL_SELP(13U),
.pllndiv = SCG_APLLNDIV_NDIV(8U),
.pllpdiv = SCG_APLLPDIV_PDIV(1U),
.pllmdiv = SCG_APLLMDIV_MDIV(50U),
.pllRate = 150000000U};
CLOCK_SetPLL0Freq(&pll0); // Setup PLL0 (APLL),
CLOCK_SetPll0MonitorMode(0); // disable monitor mode
CLRSET(SCG0->RCCR, SCG_CSR_SCS_MASK, SCG_CSR_SCS(5)); // clock main_clock
SYSCON->AHBCLKDIV = SYSCON_AHBCLKDIV_DIV(0); // /1
}

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OUTPUT_FORMAT("elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(Reset_Handler)
MEMORY
{
flash(RX) : ORIGIN = 0x0, LENGTH = 0x100000
flash2(RX) : ORIGIN = 0x100000, LENGTH = 0x100000
sram(!RX) : ORIGIN = 0x20000000, LENGTH = 0x60000
}
_estack = ORIGIN(sram) + LENGTH(sram);
SECTIONS
{
.vectors : { FILL(256) KEEP(*(.isr_vector)) } > flash
.text : { *(.text*) } > flash
.data : {
_sdata = .;
*(.first_data)
*(.data SORT(.data.*))
_edata = .;
} > sram AT > flash
_sidata = LOADADDR(.data);
.bss : { _sbss = .; *(.bss SORT(.bss.*) COMMON) _ebss = .; } > sram
. = ALIGN(8);
_end = .;
}

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// Copyright (c) 2024 Cesanta Software Limited
// All rights reserved
#include "hal.h"
#include "mongoose.h"
#include "net.h"
#define BLINK_PERIOD_MS 1000
static void timer_fn(void *arg) {
gpio_toggle(LED1); // Blink LED
(void) arg; // Unused
}
int main(void) {
struct mg_mgr mgr; // Mongoose event manager
hal_init(); // Cross-platform hardware init
mg_mgr_init(&mgr); // Initialise it
mg_log_set(MG_LL_DEBUG); // Set log level to debug
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mgr);
MG_INFO(("Initialising application..."));
web_init(&mgr);
for (;;) {
mg_mgr_poll(&mgr, 0);
}
return 0;
}

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../../../mongoose.c

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../../../mongoose.h

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#pragma once
// See https://mongoose.ws/documentation/#build-options
#define MG_ARCH MG_ARCH_NEWLIB
#define MG_ENABLE_TCPIP 1
#define MG_ENABLE_DRIVER_MCXN 1
#define MG_ENABLE_CUSTOM_MILLIS 1
//#define MG_ENABLE_CUSTOM_RANDOM 1
#define MG_ENABLE_PACKED_FS 1
// For static IP configuration, define MG_TCPIP_{IP,MASK,GW}
// By default, those are set to zero, meaning that DHCP is used
//
// #define MG_TCPIP_IP MG_IPV4(192, 168, 1, 10)
// #define MG_TCPIP_GW MG_IPV4(192, 168, 1, 1)
// #define MG_TCPIP_MASK MG_IPV4(255, 255, 255, 0)
// Set custom MAC address. By default, it is randomly generated
// Using a build-time constant:
// #define MG_SET_MAC_ADDRESS(mac) do { uint8_t buf_[6] = {2,3,4,5,6,7}; memmove(mac, buf_, sizeof(buf_)); } while (0)
//
// Using custom function:
// extern void my_function(unsigned char *mac);
// #define MG_SET_MAC_ADDRESS(mac) my_function(mac)

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../../device-dashboard/net.c

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../../device-dashboard/net.h

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../../device-dashboard/packed_fs.c

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#include "MCXN947_cm33_core0.h"
void Reset_Handler(void); // Defined below
void Dummy_Handler(void); // Defined below
void SysTick_Handler(void); // Defined in main.c
void SystemInit(void); // Defined in main.c, called by reset handler
void _estack(void); // Defined in link.ld
#define WEAK_ALIAS __attribute__((weak, alias("Default_Handler")))
WEAK_ALIAS void NMI_Handler(void);
WEAK_ALIAS void HardFault_Handler(void);
WEAK_ALIAS void MemManage_Handler(void);
WEAK_ALIAS void BusFault_Handler(void);
WEAK_ALIAS void UsageFault_Handler(void);
WEAK_ALIAS void SecureFault_Handler(void);
WEAK_ALIAS void DebugMon_Handler(void);
WEAK_ALIAS void SVC_Handler(void);
WEAK_ALIAS void PendSV_Handler(void);
WEAK_ALIAS void SysTick_Handler(void);
WEAK_ALIAS void OR_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH0_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH1_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH2_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH3_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH4_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH5_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH6_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH7_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH8_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH9_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH10_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH11_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH12_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH13_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH14_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH15_IRQHandler(void);
WEAK_ALIAS void GPIO00_IRQHandler(void);
WEAK_ALIAS void GPIO01_IRQHandler(void);
WEAK_ALIAS void GPIO10_IRQHandler(void);
WEAK_ALIAS void GPIO11_IRQHandler(void);
WEAK_ALIAS void GPIO20_IRQHandler(void);
WEAK_ALIAS void GPIO21_IRQHandler(void);
WEAK_ALIAS void GPIO30_IRQHandler(void);
WEAK_ALIAS void GPIO31_IRQHandler(void);
WEAK_ALIAS void GPIO40_IRQHandler(void);
WEAK_ALIAS void GPIO41_IRQHandler(void);
WEAK_ALIAS void GPIO50_IRQHandler(void);
WEAK_ALIAS void GPIO51_IRQHandler(void);
WEAK_ALIAS void UTICK0_IRQHandler(void);
WEAK_ALIAS void MRT0_IRQHandler(void);
WEAK_ALIAS void CTIMER0_IRQHandler(void);
WEAK_ALIAS void CTIMER1_IRQHandler(void);
WEAK_ALIAS void SCT0_IRQHandler(void);
WEAK_ALIAS void CTIMER2_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM0_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM1_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM2_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM3_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM4_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM5_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM6_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM7_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM8_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM9_IRQHandler(void);
WEAK_ALIAS void ADC0_IRQHandler(void);
WEAK_ALIAS void ADC1_IRQHandler(void);
WEAK_ALIAS void PINT0_IRQHandler(void);
WEAK_ALIAS void PDM_EVENT_IRQHandler(void);
WEAK_ALIAS void Reserved65_IRQHandler(void);
WEAK_ALIAS void USB0_FS_IRQHandler(void);
WEAK_ALIAS void USB0_DCD_IRQHandler(void);
WEAK_ALIAS void RTC_IRQHandler(void);
WEAK_ALIAS void SMARTDMA_IRQHandler(void);
WEAK_ALIAS void MAILBOX_IRQHandler(void);
WEAK_ALIAS void CTIMER3_IRQHandler(void);
WEAK_ALIAS void CTIMER4_IRQHandler(void);
WEAK_ALIAS void OS_EVENT_IRQHandler(void);
WEAK_ALIAS void FLEXSPI0_IRQHandler(void);
WEAK_ALIAS void SAI0_IRQHandler(void);
WEAK_ALIAS void SAI1_IRQHandler(void);
WEAK_ALIAS void USDHC0_IRQHandler(void);
WEAK_ALIAS void CAN0_IRQHandler(void);
WEAK_ALIAS void CAN1_IRQHandler(void);
WEAK_ALIAS void Reserved80_IRQHandler(void);
WEAK_ALIAS void Reserved81_IRQHandler(void);
WEAK_ALIAS void USB1_HS_PHY_IRQHandler(void);
WEAK_ALIAS void USB1_HS_IRQHandler(void);
WEAK_ALIAS void SEC_HYPERVISOR_CALL_IRQHandler(void);
WEAK_ALIAS void Reserved85_IRQHandler(void);
WEAK_ALIAS void PLU_IRQHandler(void);
WEAK_ALIAS void Freqme_IRQHandler(void);
WEAK_ALIAS void SEC_VIO_IRQHandler(void);
WEAK_ALIAS void ELS_IRQHandler(void);
WEAK_ALIAS void PKC_IRQHandler(void);
WEAK_ALIAS void PUF_IRQHandler(void);
WEAK_ALIAS void PQ_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH0_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH1_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH2_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH3_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH4_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH5_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH6_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH7_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH8_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH9_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH10_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH11_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH12_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH13_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH14_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH15_IRQHandler(void);
WEAK_ALIAS void CDOG0_IRQHandler(void);
WEAK_ALIAS void CDOG1_IRQHandler(void);
WEAK_ALIAS void I3C0_IRQHandler(void);
WEAK_ALIAS void I3C1_IRQHandler(void);
WEAK_ALIAS void NPU_IRQHandler(void);
WEAK_ALIAS void GDET_IRQHandler(void);
WEAK_ALIAS void VBAT0_IRQHandler(void);
WEAK_ALIAS void EWM0_IRQHandler(void);
WEAK_ALIAS void TSI_END_OF_SCAN_IRQHandler(void);
WEAK_ALIAS void TSI_OUT_OF_SCAN_IRQHandler(void);
WEAK_ALIAS void EMVSIM0_IRQHandler(void);
WEAK_ALIAS void EMVSIM1_IRQHandler(void);
WEAK_ALIAS void FLEXIO_IRQHandler(void);
WEAK_ALIAS void DAC0_IRQHandler(void);
WEAK_ALIAS void DAC1_IRQHandler(void);
WEAK_ALIAS void DAC2_IRQHandler(void);
WEAK_ALIAS void HSCMP0_IRQHandler(void);
WEAK_ALIAS void HSCMP1_IRQHandler(void);
WEAK_ALIAS void HSCMP2_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_RELOAD_ERROR_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_FAULT_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_SUBMODULE0_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_SUBMODULE1_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_SUBMODULE2_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_SUBMODULE3_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_RELOAD_ERROR_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_FAULT_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_SUBMODULE0_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_SUBMODULE1_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_SUBMODULE2_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_SUBMODULE3_IRQHandler(void);
WEAK_ALIAS void ENC0_COMPARE_IRQHandler(void);
WEAK_ALIAS void ENC0_HOME_IRQHandler(void);
WEAK_ALIAS void ENC0_WDG_SAB_IRQHandler(void);
WEAK_ALIAS void ENC0_IDX_IRQHandler(void);
WEAK_ALIAS void ENC1_COMPARE_IRQHandler(void);
WEAK_ALIAS void ENC1_HOME_IRQHandler(void);
WEAK_ALIAS void ENC1_WDG_SAB_IRQHandler(void);
WEAK_ALIAS void ENC1_IDX_IRQHandler(void);
WEAK_ALIAS void ITRC0_IRQHandler(void);
WEAK_ALIAS void BSP32_IRQHandler(void);
WEAK_ALIAS void ELS_ERR_IRQHandler(void);
WEAK_ALIAS void PKC_ERR_IRQHandler(void);
WEAK_ALIAS void ERM_SINGLE_BIT_ERROR_IRQHandler(void);
WEAK_ALIAS void ERM_MULTI_BIT_ERROR_IRQHandler(void);
WEAK_ALIAS void FMU0_IRQHandler(void);
WEAK_ALIAS void ETHERNET_IRQHandler(void);
WEAK_ALIAS void ETHERNET_PMT_IRQHandler(void);
WEAK_ALIAS void ETHERNET_MACLP_IRQHandler(void);
WEAK_ALIAS void SINC_FILTER_IRQHandler(void);
WEAK_ALIAS void LPTMR0_IRQHandler(void);
WEAK_ALIAS void LPTMR1_IRQHandler(void);
WEAK_ALIAS void SCG_IRQHandler(void);
WEAK_ALIAS void SPC_IRQHandler(void);
WEAK_ALIAS void WUU_IRQHandler(void);
WEAK_ALIAS void PORT_EFT_IRQHandler(void);
WEAK_ALIAS void ETB0_IRQHandler(void);
WEAK_ALIAS void SM3_IRQHandler(void);
WEAK_ALIAS void TRNG0_IRQHandler(void);
WEAK_ALIAS void WWDT0_IRQHandler(void);
WEAK_ALIAS void WWDT1_IRQHandler(void);
WEAK_ALIAS void CMC0_IRQHandler(void);
WEAK_ALIAS void CTI0_IRQHandler(void);
__attribute__((section(".vectors"))) void (*const tab[16 + 156])(void) = {
_estack, Reset_Handler,
NMI_Handler, // NMI Handler
HardFault_Handler, // Hard Fault Handler
MemManage_Handler, // MPU Fault Handler
BusFault_Handler, // Bus Fault Handler
UsageFault_Handler, // Usage Fault Handler
SecureFault_Handler, // Secure Fault Handler
0, // Reserved
0, // Reserved
0, // Reserved
SVC_Handler, // SVCall Handler
DebugMon_Handler, // Debug Monitor Handler
0, // Reserved
PendSV_Handler, // PendSV Handler
SysTick_Handler, // SysTick Handler
// Chip Level - MCXN947_cm33_core0
OR_IRQHandler, // 16 : OR IRQ
EDMA_0_CH0_IRQHandler, // 17 : eDMA_0_CH0 error or transfer complete
EDMA_0_CH1_IRQHandler, // 18 : eDMA_0_CH1 error or transfer complete
EDMA_0_CH2_IRQHandler, // 19 : eDMA_0_CH2 error or transfer complete
EDMA_0_CH3_IRQHandler, // 20 : eDMA_0_CH3 error or transfer complete
EDMA_0_CH4_IRQHandler, // 21 : eDMA_0_CH4 error or transfer complete
EDMA_0_CH5_IRQHandler, // 22 : eDMA_0_CH5 error or transfer complete
EDMA_0_CH6_IRQHandler, // 23 : eDMA_0_CH6 error or transfer complete
EDMA_0_CH7_IRQHandler, // 24 : eDMA_0_CH7 error or transfer complete
EDMA_0_CH8_IRQHandler, // 25 : eDMA_0_CH8 error or transfer complete
EDMA_0_CH9_IRQHandler, // 26 : eDMA_0_CH9 error or transfer complete
EDMA_0_CH10_IRQHandler, // 27 : eDMA_0_CH10 error or transfer complete
EDMA_0_CH11_IRQHandler, // 28 : eDMA_0_CH11 error or transfer complete
EDMA_0_CH12_IRQHandler, // 29 : eDMA_0_CH12 error or transfer complete
EDMA_0_CH13_IRQHandler, // 30 : eDMA_0_CH13 error or transfer complete
EDMA_0_CH14_IRQHandler, // 31 : eDMA_0_CH14 error or transfer complete
EDMA_0_CH15_IRQHandler, // 32 : eDMA_0_CH15 error or transfer complete
GPIO00_IRQHandler, // 33 : GPIO0 interrupt 0
GPIO01_IRQHandler, // 34 : GPIO0 interrupt 1
GPIO10_IRQHandler, // 35 : GPIO1 interrupt 0
GPIO11_IRQHandler, // 36 : GPIO1 interrupt 1
GPIO20_IRQHandler, // 37 : GPIO2 interrupt 0
GPIO21_IRQHandler, // 38 : GPIO2 interrupt 1
GPIO30_IRQHandler, // 39 : GPIO3 interrupt 0
GPIO31_IRQHandler, // 40 : GPIO3 interrupt 1
GPIO40_IRQHandler, // 41 : GPIO4 interrupt 0
GPIO41_IRQHandler, // 42 : GPIO4 interrupt 1
GPIO50_IRQHandler, // 43 : GPIO5 interrupt 0
GPIO51_IRQHandler, // 44 : GPIO5 interrupt 1
UTICK0_IRQHandler, // 45 : Micro-Tick Timer interrupt
MRT0_IRQHandler, // 46 : Multi-Rate Timer interrupt
CTIMER0_IRQHandler, // 47 : Standard counter/timer 0 interrupt
CTIMER1_IRQHandler, // 48 : Standard counter/timer 1 interrupt
SCT0_IRQHandler, // 49 : SCTimer/PWM interrupt
CTIMER2_IRQHandler, // 50 : Standard counter/timer 2 interrupt
LP_FLEXCOMM0_IRQHandler, // 51 : LP_FLEXCOMM0 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM1_IRQHandler, // 52 : LP_FLEXCOMM1 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM2_IRQHandler, // 53 : LP_FLEXCOMM2 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM3_IRQHandler, // 54 : LP_FLEXCOMM3 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM4_IRQHandler, // 55 : LP_FLEXCOMM4 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM5_IRQHandler, // 56 : LP_FLEXCOMM5 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM6_IRQHandler, // 57 : LP_FLEXCOMM6 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM7_IRQHandler, // 58 : LP_FLEXCOMM7 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM8_IRQHandler, // 59 : LP_FLEXCOMM8 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM9_IRQHandler, // 60 : LP_FLEXCOMM9 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
ADC0_IRQHandler, // 61 : Analog-to-Digital Converter 0 - General Purpose
// interrupt
ADC1_IRQHandler, // 62 : Analog-to-Digital Converter 1 - General Purpose
// interrupt
PINT0_IRQHandler, // 63 : Pin Interrupt Pattern Match Interrupt
PDM_EVENT_IRQHandler, // 64 : Microphone Interface interrupt
Reserved65_IRQHandler, // 65 : Reserved interrupt
USB0_FS_IRQHandler, // 66 : Universal Serial Bus - Full Speed interrupt
USB0_DCD_IRQHandler, // 67 : Universal Serial Bus - Device Charge Detect
// interrupt
RTC_IRQHandler, // 68 : RTC Subsystem interrupt (RTC interrupt or Wake
// timer interrupt)
SMARTDMA_IRQHandler, // 69 : SmartDMA_IRQ
MAILBOX_IRQHandler, // 70 : Inter-CPU Mailbox interrupt0 for CPU0 Inter-CPU
// Mailbox interrupt1 for CPU1
CTIMER3_IRQHandler, // 71 : Standard counter/timer 3 interrupt
CTIMER4_IRQHandler, // 72 : Standard counter/timer 4 interrupt
OS_EVENT_IRQHandler, // 73 : OS event timer interrupt
FLEXSPI0_IRQHandler, // 74 : Flexible Serial Peripheral Interface interrupt
SAI0_IRQHandler, // 75 : Serial Audio Interface 0 interrupt
SAI1_IRQHandler, // 76 : Serial Audio Interface 1 interrupt
USDHC0_IRQHandler, // 77 : Ultra Secured Digital Host Controller interrupt
CAN0_IRQHandler, // 78 : Controller Area Network 0 interrupt
CAN1_IRQHandler, // 79 : Controller Area Network 1 interrupt
Reserved80_IRQHandler, // 80 : Reserved interrupt
Reserved81_IRQHandler, // 81 : Reserved interrupt
USB1_HS_PHY_IRQHandler, // 82 : USBHS DCD or USBHS Phy interrupt
USB1_HS_IRQHandler, // 83 : USB High Speed OTG Controller interrupt
SEC_HYPERVISOR_CALL_IRQHandler, // 84 : AHB Secure Controller hypervisor
// call interrupt
Reserved85_IRQHandler, // 85 : Reserved interrupt
PLU_IRQHandler, // 86 : Programmable Logic Unit interrupt
Freqme_IRQHandler, // 87 : Frequency Measurement interrupt
SEC_VIO_IRQHandler, // 88 : Secure violation interrupt (Memory Block
// Checker interrupt or secure AHB matrix violation
// interrupt)
ELS_IRQHandler, // 89 : ELS interrupt
PKC_IRQHandler, // 90 : PKC interrupt
PUF_IRQHandler, // 91 : Physical Unclonable Function interrupt
PQ_IRQHandler, // 92 : Power Quad interrupt
EDMA_1_CH0_IRQHandler, // 93 : eDMA_1_CH0 error or transfer complete
EDMA_1_CH1_IRQHandler, // 94 : eDMA_1_CH1 error or transfer complete
EDMA_1_CH2_IRQHandler, // 95 : eDMA_1_CH2 error or transfer complete
EDMA_1_CH3_IRQHandler, // 96 : eDMA_1_CH3 error or transfer complete
EDMA_1_CH4_IRQHandler, // 97 : eDMA_1_CH4 error or transfer complete
EDMA_1_CH5_IRQHandler, // 98 : eDMA_1_CH5 error or transfer complete
EDMA_1_CH6_IRQHandler, // 99 : eDMA_1_CH6 error or transfer complete
EDMA_1_CH7_IRQHandler, // 100: eDMA_1_CH7 error or transfer complete
EDMA_1_CH8_IRQHandler, // 101: eDMA_1_CH8 error or transfer complete
EDMA_1_CH9_IRQHandler, // 102: eDMA_1_CH9 error or transfer complete
EDMA_1_CH10_IRQHandler, // 103: eDMA_1_CH10 error or transfer complete
EDMA_1_CH11_IRQHandler, // 104: eDMA_1_CH11 error or transfer complete
EDMA_1_CH12_IRQHandler, // 105: eDMA_1_CH12 error or transfer complete
EDMA_1_CH13_IRQHandler, // 106: eDMA_1_CH13 error or transfer complete
EDMA_1_CH14_IRQHandler, // 107: eDMA_1_CH14 error or transfer complete
EDMA_1_CH15_IRQHandler, // 108: eDMA_1_CH15 error or transfer complete
CDOG0_IRQHandler, // 109: Code Watchdog Timer 0 interrupt
CDOG1_IRQHandler, // 110: Code Watchdog Timer 1 interrupt
I3C0_IRQHandler, // 111: Improved Inter Integrated Circuit interrupt 0
I3C1_IRQHandler, // 112: Improved Inter Integrated Circuit interrupt 1
NPU_IRQHandler, // 113: NPU interrupt
GDET_IRQHandler, // 114: Digital Glitch Detect 0 interrupt or Digital
// Glitch Detect 1 interrupt
VBAT0_IRQHandler, // 115: VBAT interrupt( VBAT interrupt or digital tamper
// interrupt)
EWM0_IRQHandler, // 116: External Watchdog Monitor interrupt
TSI_END_OF_SCAN_IRQHandler, // 117: TSI End of Scan interrupt
TSI_OUT_OF_SCAN_IRQHandler, // 118: TSI Out of Scan interrupt
EMVSIM0_IRQHandler, // 119: EMVSIM0 interrupt
EMVSIM1_IRQHandler, // 120: EMVSIM1 interrupt
FLEXIO_IRQHandler, // 121: Flexible Input/Output interrupt
DAC0_IRQHandler, // 122: Digital-to-Analog Converter 0 - General Purpose
// interrupt
DAC1_IRQHandler, // 123: Digital-to-Analog Converter 1 - General Purpose
// interrupt
DAC2_IRQHandler, // 124: 14-bit Digital-to-Analog Converter interrupt
HSCMP0_IRQHandler, // 125: High-Speed comparator0 interrupt
HSCMP1_IRQHandler, // 126: High-Speed comparator1 interrupt
HSCMP2_IRQHandler, // 127: High-Speed comparator2 interrupt
FLEXPWM0_RELOAD_ERROR_IRQHandler, // 128: FlexPWM0_reload_error interrupt
FLEXPWM0_FAULT_IRQHandler, // 129: FlexPWM0_fault interrupt
FLEXPWM0_SUBMODULE0_IRQHandler, // 130: FlexPWM0 Submodule 0
// capture/compare/reload interrupt
FLEXPWM0_SUBMODULE1_IRQHandler, // 131: FlexPWM0 Submodule 1
// capture/compare/reload interrupt
FLEXPWM0_SUBMODULE2_IRQHandler, // 132: FlexPWM0 Submodule 2
// capture/compare/reload interrupt
FLEXPWM0_SUBMODULE3_IRQHandler, // 133: FlexPWM0 Submodule 3
// capture/compare/reload interrupt
FLEXPWM1_RELOAD_ERROR_IRQHandler, // 134: FlexPWM1_reload_error interrupt
FLEXPWM1_FAULT_IRQHandler, // 135: FlexPWM1_fault interrupt
FLEXPWM1_SUBMODULE0_IRQHandler, // 136: FlexPWM1 Submodule 0
// capture/compare/reload interrupt
FLEXPWM1_SUBMODULE1_IRQHandler, // 137: FlexPWM1 Submodule 1
// capture/compare/reload interrupt
FLEXPWM1_SUBMODULE2_IRQHandler, // 138: FlexPWM1 Submodule 2
// capture/compare/reload interrupt
FLEXPWM1_SUBMODULE3_IRQHandler, // 139: FlexPWM1 Submodule 3
// capture/compare/reload interrupt
ENC0_COMPARE_IRQHandler, // 140: ENC0_Compare interrupt
ENC0_HOME_IRQHandler, // 141: ENC0_Home interrupt
ENC0_WDG_SAB_IRQHandler, // 142: ENC0_WDG_IRQ/SAB interrupt
ENC0_IDX_IRQHandler, // 143: ENC0_IDX interrupt
ENC1_COMPARE_IRQHandler, // 144: ENC1_Compare interrupt
ENC1_HOME_IRQHandler, // 145: ENC1_Home interrupt
ENC1_WDG_SAB_IRQHandler, // 146: ENC1_WDG_IRQ/SAB interrupt
ENC1_IDX_IRQHandler, // 147: ENC1_IDX interrupt
ITRC0_IRQHandler, // 148: Intrusion and Tamper Response Controller
// interrupt
BSP32_IRQHandler, // 149: CoolFlux BSP32 interrupt
ELS_ERR_IRQHandler, // 150: ELS error interrupt
PKC_ERR_IRQHandler, // 151: PKC error interrupt
ERM_SINGLE_BIT_ERROR_IRQHandler, // 152: ERM Single Bit error interrupt
ERM_MULTI_BIT_ERROR_IRQHandler, // 153: ERM Multi Bit error interrupt
FMU0_IRQHandler, // 154: Flash Management Unit interrupt
ETHERNET_IRQHandler, // 155: Ethernet QoS interrupt
ETHERNET_PMT_IRQHandler, // 156: Ethernet QoS power management interrupt
ETHERNET_MACLP_IRQHandler, // 157: Ethernet QoS MAC interrupt
SINC_FILTER_IRQHandler, // 158: SINC Filter interrupt
LPTMR0_IRQHandler, // 159: Low Power Timer 0 interrupt
LPTMR1_IRQHandler, // 160: Low Power Timer 1 interrupt
SCG_IRQHandler, // 161: System Clock Generator interrupt
SPC_IRQHandler, // 162: System Power Controller interrupt
WUU_IRQHandler, // 163: Wake Up Unit interrupt
PORT_EFT_IRQHandler, // 164: PORT0~5 EFT interrupt
ETB0_IRQHandler, // 165: ETB counter expires interrupt
SM3_IRQHandler, // 166: Secure Generic Interface (SGI) SAFO interrupt
TRNG0_IRQHandler, // 167: True Random Number Generator interrupt
WWDT0_IRQHandler, // 168: Windowed Watchdog Timer 0 interrupt
WWDT1_IRQHandler, // 169: Windowed Watchdog Timer 1 interrupt
CMC0_IRQHandler, // 170: Core Mode Controller interrupt
CTI0_IRQHandler, // 171: Cross Trigger Interface interrupt
};
extern unsigned char _end[]; // End of data section, start of heap. See link.ld
__attribute__((naked, noreturn)) void Reset_Handler(void) {
__asm("cpsid i"); // Disable interrupts
// set SPLIM to somewhere, trick the linker
__asm volatile("MSR MSPLIM, %1 \n"
:
: "r"(tab), "r"(_end)
: "r0", "r1");
SYSCON->ECC_ENABLE_CTRL = 0; // disable RAM ECC, must do for this link.ld
// Clear BSS section, and copy data section from flash to RAM
extern long _sbss, _ebss, _sdata, _edata, _sidata;
for (long *dst = &_sbss; dst < &_ebss; dst++) *dst = 0;
for (long *dst = &_sdata, *src = &_sidata; dst < &_edata;) *dst++ = *src++;
SystemInit();
__asm("cpsie i"); // Reenable interrupts
// Call main()
extern void main(void);
main();
for (;;) (void) 0; // Infinite loop
}
void Default_Handler(void) {
for (;;) (void) 0;
}

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@ -1,44 +0,0 @@
#pragma once
#include "hal.h"
#define configUSE_PREEMPTION 1
#define configCPU_CLOCK_HZ SYS_FREQUENCY
#define configTICK_RATE_HZ 1000
#define configMAX_PRIORITIES 5
#define configUSE_16_BIT_TICKS 0
#define configUSE_TICK_HOOK 0
#define configUSE_IDLE_HOOK 0
#define configUSE_TIMERS 0
#define configUSE_CO_ROUTINES 0
#define configUSE_MALLOC_FAILED_HOOK 0
#define configMINIMAL_STACK_SIZE 128
#define configTOTAL_HEAP_SIZE (1024 * 128)
#define INCLUDE_vTaskDelay 1
#define INCLUDE_xTaskGetSchedulerState 1 // trying
#ifdef __NVIC_PRIO_BITS
#define configPRIO_BITS __NVIC_PRIO_BITS
#else
#define configPRIO_BITS 3
#endif
#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY ((1U << (configPRIO_BITS)) - 1)
#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 3
#define configKERNEL_INTERRUPT_PRIORITY \
(configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))
#define configMAX_SYSCALL_INTERRUPT_PRIORITY \
(configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))
#define configASSERT(expr) \
if (!(expr)) printf("FAILURE %s:%d: %s\n", __FILE__, __LINE__, #expr)
// https://www.freertos.org/2020/04/using-freertos-on-armv8-m-microcontrollers.html
#define configENABLE_FPU 1
#define configENABLE_MPU 0
#define configENABLE_TRUSTZONE 0
#define configRUN_FREERTOS_SECURE_ONLY 1
//#define vPortSVCHandler SVC_Handler
//#define xPortPendSVHandler PendSV_Handler
//#define xPortSysTickHandler SysTick_Handler

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@ -1,54 +1,29 @@
CFLAGS = -W -Wall -Wextra -Werror -Wundef -Wshadow -Wdouble-promotion
CFLAGS += -Wformat-truncation -fno-common # -Wconversion is not SDK-friendly
CFLAGS += -g3 -Os -ffunction-sections -fdata-sections
CFLAGS += -I. -Icmsis_core/CMSIS/Core/Include -Icmsis_mcu/devices/MCXN947/
CFLAGS += -Icmsis_mcu/devices/MCXN947/drivers
CFLAGS += -DCPU_MCXN947VDF -DCPU_MCXN947VDF_cm33 -DCPU_MCXN947VDF_cm33_core0
CFLAGS += -mcpu=cortex-m33 -mthumb -mfloat-abi=hard -mfpu=fpv5-sp-d16 $(CFLAGS_EXTRA)
CFLAGS += -Wno-old-style-declaration -Wno-unused-parameter # due to NXP FSL code
LDSCRIPT = link.ld
LDFLAGS ?= -T$(LDSCRIPT) -nostdlib -nostartfiles --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
SOURCES = main.c hal.c
SOURCES += startup.c
SOURCES += cmsis_mcu/devices/MCXN947/drivers/fsl_clock.c cmsis_mcu/devices/MCXN947/drivers/fsl_spc.c cmsis_mcu/devices/MCXN947/drivers/fsl_common_arm.c # NXP support files
# FreeRTOS. MCXN947 has a Cortex-M33 (ARMv8) core, the CM4F port can be used if TrustZone and the MPU are not to be used
SOURCES += FreeRTOS-Kernel/portable/MemMang/heap_4.c
SOURCES += FreeRTOS-Kernel/portable/GCC/ARM_CM33_NTZ/non_secure/port.c
SOURCES += FreeRTOS-Kernel/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c
CFLAGS += -IFreeRTOS-Kernel/include
CFLAGS += -IFreeRTOS-Kernel/portable/GCC/ARM_CM33_NTZ/non_secure -Wno-conversion -Wno-unused-parameter
# Mongoose options are defined in mongoose_config.h
SOURCES += mongoose.c net.c packed_fs.c
# Example specific build options. See README.md
CFLAGS += -DHTTP_URL=\"http://0.0.0.0/\" -DHTTPS_URL=\"https://0.0.0.0/\"
ifeq ($(OS),Windows_NT)
RM = cmd /C del /Q /F /S
else
RM = rm -rf
endif
BOARD = mcxn947
IDE = GCC+make
RTOS = FreeRTOS
WIZARD_URL ?= http://mongoose.ws/wizard
all build example: firmware.bin
firmware.bin: firmware.elf
arm-none-eabi-objcopy -O binary $< $@
firmware.bin: wizard
make -C wizard CFLAGS_EXTRA=$(CFLAGS_EXTRA) && mv wizard/firmware.bin ./
firmware.elf: FreeRTOS-Kernel cmsis_core cmsis_mcu $(SOURCES) hal.h link.ld mongoose_config.h FreeRTOSConfig.h Makefile
arm-none-eabi-gcc $(SOURCES) $(wildcard FreeRTOS-Kernel/*.c) $(CFLAGS) $(LDFLAGS) -o $@
arm-none-eabi-size $@
wizard:
hash=$$(curl -s -X POST -H "Content-Type: application/json" -d '{"build":{"board":"$(BOARD)","ide":"$(IDE)","rtos":"$(RTOS)"}}' $(WIZARD_URL)/api/hash | jq -r '.hash') \
&& curl -s $(WIZARD_URL)/api/zip/$(BOARD)/$(IDE)/$(RTOS)/$$hash -o wizard.zip
unzip wizard.zip
cd wizard ; rm mongoose.[ch] ; ln -s ../../../../mongoose.c ; ln -s ../../../../mongoose.h
# Automated remote test. Requires env variable VCON_API_KEY set. See https://vcon.io/automated-firmware-tests/
DEVICE_URL ?= https://dash.vcon.io/api/v3/devices/??
update: firmware.bin
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/ota --data-binary @$<
test update: CFLAGS_EXTRA ="-DUART_DEBUG=USART?"
test: update
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=15 | tee /tmp/output.txt
grep 'READY, IP:' /tmp/output.txt # Check for network init
cmsis_core: # ARM CMSIS core headers
git clone -q --depth 1 -b 5.9.0 https://github.com/ARM-software/CMSIS_5 $@
cmsis_mcu:
wget -O $@.zip https://mcuxpresso.nxp.com/cmsis_pack/repo/NXP.MCXN947_DFP.17.0.0.pack
mkdir $@ && cd $@ && unzip -q ../$@.zip
FreeRTOS-Kernel: # FreeRTOS sources
git clone --depth 1 -b V10.5.0 https://github.com/FreeRTOS/FreeRTOS-Kernel $@
clean:
$(RM) firmware.* *.su cmsis_core cmsis_mcu *.zip FreeRTOS-Kernel
rm -rf firmware.* wizard*

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See [Wizard](https://mongoose.ws/wizard/#/output?board=mcxn947&ide=GCC+make&rtos=FreeRTOS&file=README.md)

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// Copyright (c) 2024 Cesanta Software Limited
// All rights reserved
#include "hal.h"
#if 0
static volatile uint64_t s_ticks; // Milliseconds since boot
void SysTick_Handler(void) { // SyStick IRQ handler, triggered every 1ms
s_ticks++;
}
bool mg_random(void *buf, size_t len) { // Use on-board RNG
for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
uint32_t r = rng_read();
memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
}
return true;
}
uint64_t mg_millis(void) { // Let Mongoose use our uptime function
return s_ticks; // Return number of milliseconds since boot
}
#endif
void hal_init(void) {
clock_init(); // Set system clock to SYS_FREQUENCY
SystemCoreClock = SYS_FREQUENCY; // Update SystemCoreClock global var
// SysTick_Config(SystemCoreClock / 1000); // Sys tick every 1ms
// rng_init(); // TRNG is part of ELS and there is no info on that
uart_init(UART_DEBUG, 115200); // Initialise UART
gpio_output(LED1); // Initialise LED1
gpio_write(LED1, 1);
gpio_output(LED2); // Initialise LED2
gpio_write(LED2, 1);
gpio_output(LED3); // Initialise LED3
gpio_write(LED3, 1);
ethernet_init(); // Initialise Ethernet pins
}
#if defined(__ARMCC_VERSION)
// Keil specific - implement IO printf redirection
int fputc(int c, FILE *stream) {
if (stream == stdout || stream == stderr) uart_write_byte(UART_DEBUG, c);
return c;
}
#elif defined(__GNUC__)
// ARM GCC specific. ARM GCC is shipped with Newlib C library.
// Implement newlib syscalls:
// _sbrk() for malloc
// _write() for printf redirection
// the rest are just stubs
#include <sys/stat.h> // For _fstat()
#if !defined(__MCUXPRESSO)
uint32_t SystemCoreClock;
// evaluate your use of Secure/non-Secure and modify accordingly
void SystemInit(void) { // Called automatically by startup code
SCB->CPACR |=
#if 0
(3UL << 0 * 2) | (3UL << 1 * 2) | // Enable PowerQuad (CPO/CP1)
#endif
(3UL << 10 * 2) | (3UL << 11 * 2); // Enable FPU
__DSB();
__ISB();
SYSCON->LPCAC_CTRL &= ~SYSCON_LPCAC_CTRL_DIS_LPCAC_MASK; // enable LPCAC
// Read TRM 36.1 and decide whether you really want to enable aGDET and dGDET
#if 1
// Disable aGDET and dGDET
ITRC0->OUT_SEL[4][0] =
(ITRC0->OUT_SEL[4][0] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn_MASK) |
(ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn(0x2));
ITRC0->OUT_SEL[4][1] =
(ITRC0->OUT_SEL[4][1] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn_MASK) |
(ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn(0x2));
SPC0->ACTIVE_CFG |= SPC_ACTIVE_CFG_GLITCH_DETECT_DISABLE_MASK;
SPC0->GLITCH_DETECT_SC &= ~SPC_GLITCH_DETECT_SC_LOCK_MASK;
SPC0->GLITCH_DETECT_SC = 0x3C;
SPC0->GLITCH_DETECT_SC |= SPC_GLITCH_DETECT_SC_LOCK_MASK;
ITRC0->OUT_SEL[4][0] =
(ITRC0->OUT_SEL[4][0] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn_MASK) |
(ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn(0x2));
ITRC0->OUT_SEL[4][1] =
(ITRC0->OUT_SEL[4][1] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn_MASK) |
(ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn(0x2));
GDET0->GDET_ENABLE1 = 0;
GDET1->GDET_ENABLE1 = 0;
#endif
}
#endif
int _fstat(int fd, struct stat *st) {
(void) fd, (void) st;
return -1;
}
#if !defined(__MCUXPRESSO)
extern unsigned char _end[]; // End of data section, start of heap. See link.ld
static unsigned char *s_current_heap_end = _end;
size_t hal_ram_used(void) {
return (size_t) (s_current_heap_end - _end);
}
size_t hal_ram_free(void) {
unsigned char endofstack;
return (size_t) (&endofstack - s_current_heap_end);
}
void *_sbrk(int incr) {
unsigned char *prev_heap;
prev_heap = s_current_heap_end;
s_current_heap_end += incr;
return prev_heap;
}
#endif
int _open(const char *path) {
(void) path;
return -1;
}
int _close(int fd) {
(void) fd;
return -1;
}
int _isatty(int fd) {
(void) fd;
return 1;
}
int _lseek(int fd, int ptr, int dir) {
(void) fd, (void) ptr, (void) dir;
return 0;
}
void _exit(int status) {
(void) status;
for (;;) asm volatile("BKPT #0");
}
void _kill(int pid, int sig) {
(void) pid, (void) sig;
}
int _getpid(void) {
return -1;
}
int _write(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
if (fd == 1) uart_write_buf(UART_DEBUG, ptr, (size_t) len);
return -1;
}
int _read(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
return -1;
}
int _link(const char *a, const char *b) {
(void) a, (void) b;
return -1;
}
int _unlink(const char *a) {
(void) a;
return -1;
}
int _stat(const char *path, struct stat *st) {
(void) path, (void) st;
return -1;
}
int mkdir(const char *path, mode_t mode) {
(void) path, (void) mode;
return -1;
}
void _init(void) {
}
#endif // __GNUC__

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@ -1,223 +0,0 @@
// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#define LED1 PIN(0, 10)
#define LED2 PIN(0, 27)
#define LED3 PIN(1, 2)
#ifndef UART_DEBUG
#define UART_DEBUG LPUART4
#endif
#include "MCXN947_cm33_core0.h"
#define BIT(x) (1UL << (x))
#define CLRSET(reg, clear, set) ((reg) = ((reg) & ~(clear)) | (set))
#define PIN(bank, num) ((bank << 8) | (num))
#define PINNO(pin) (pin & 255)
#define PINBANK(pin) (pin >> 8)
void hal_init(void);
size_t hal_ram_free(void);
size_t hal_ram_used(void);
static inline void spin(volatile uint32_t count) {
while (count--) (void) 0;
}
#define SYS_FREQUENCY 150000000UL
enum { GPIO_MODE_INPUT, GPIO_MODE_OUTPUT };
enum { GPIO_OTYPE_PUSH_PULL, GPIO_OTYPE_OPEN_DRAIN };
enum { GPIO_SPEED_LOW, GPIO_SPEED_HIGH };
enum { GPIO_PULL_NONE, GPIO_PULL_DOWN, GPIO_PULL_UP };
static inline GPIO_Type *gpio_bank(uint16_t pin) {
static GPIO_Type *const g[] = GPIO_BASE_PTRS;
return g[PINBANK(pin)];
}
static inline void gpio_init(uint16_t pin, uint8_t mode, uint8_t type,
uint8_t speed, uint8_t pull, uint8_t af) {
static PORT_Type *const p[] = PORT_BASE_PTRS;
PORT_Type *port = p[PINBANK(pin)];
GPIO_Type *gpio = gpio_bank(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
bool dopull = pull > 0;
if (dopull) --pull;
if (gpio != GPIO5) {
SYSCON->AHBCLKCTRL0 |=
(1 << (SYSCON_AHBCLKCTRL0_GPIO0_SHIFT + PINBANK(pin))) |
(1 << (SYSCON_AHBCLKCTRL0_PORT0_SHIFT + PINBANK(pin)));
};
port->PCR[PINNO(pin)] = PORT_PCR_IBE(1) | PORT_PCR_MUX(af) | PORT_PCR_DSE(1) |
PORT_PCR_ODE(type) |
PORT_PCR_SRE(speed != GPIO_SPEED_HIGH) |
PORT_PCR_PE(dopull) | PORT_PCR_PS(pull);
gpio->ICR[PINNO(pin)] = GPIO_ICR_ISF_MASK;
if (mode == GPIO_MODE_INPUT) {
gpio->PDDR &= ~mask;
} else {
gpio->PDDR |= mask;
}
}
static inline void gpio_input(uint16_t pin) {
gpio_init(pin, GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_NONE, 0);
}
static inline void gpio_output(uint16_t pin) {
gpio_init(pin, GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_NONE, 0);
}
static inline bool gpio_read(uint16_t pin) {
GPIO_Type *gpio = gpio_bank(pin);
return gpio->PDR[PINNO(pin)];
}
static inline void gpio_write(uint16_t pin, bool value) {
GPIO_Type *gpio = gpio_bank(pin);
if (value) {
gpio->PDR[PINNO(pin)] = 1;
} else {
gpio->PDR[PINNO(pin)] = 0;
}
}
static inline void gpio_toggle(uint16_t pin) {
GPIO_Type *gpio = gpio_bank(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
gpio->PTOR = mask;
}
// MCU-Link UART (P1_9/8; FC4_P1/0)
// Arduino J1_2/4 UART (P4_3/2; FC2_P3/2)
// 33.3.23 LP_FLEXCOMM clocking
// 66.2.4 LP_FLEXCOMM init
// 66.5 LPUART
static inline void uart_init(LPUART_Type *uart, unsigned long baud) {
static LP_FLEXCOMM_Type *const f[] = LP_FLEXCOMM_BASE_PTRS;
uint8_t af = 2, fc = 0; // Alternate function, FlexComm instance
uint16_t pr = 0, pt = 0; // pins
uint32_t freq = 12000000; // fro_12_m
if (uart == LPUART2) fc = 2, pt = PIN(4, 3), pr = PIN(4, 2);
if (uart == LPUART4) fc = 4, pt = PIN(1, 9), pr = PIN(1, 8);
SYSCON->AHBCLKCTRL1 |= (1 << (SYSCON_AHBCLKCTRL1_FC0_SHIFT + fc));
SYSCON->PRESETCTRL1 |= (1 << (SYSCON_PRESETCTRL1_FC0_RST_SHIFT + fc));
SYSCON->PRESETCTRL1 &= ~(1 << (SYSCON_PRESETCTRL1_FC0_RST_SHIFT + fc));
SYSCON->FCCLKSEL[fc] = SYSCON_FCCLKSEL_SEL(2); // clock from FRO_12M / 1
SYSCON->FLEXCOMMCLKDIV[fc] = SYSCON_FLEXCOMMXCLKDIV_FLEXCOMMCLKDIV_DIV(0);
LP_FLEXCOMM_Type *flexcomm = f[fc];
flexcomm->PSELID = LP_FLEXCOMM_PSELID_PERSEL(1); // configure as UART
gpio_init(pt, GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_UP, af);
gpio_init(pr, GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_UP, af);
uart->GLOBAL |= LPUART_GLOBAL_RST_MASK; // reset, CTRL = 0, defaults
uart->GLOBAL &= ~LPUART_GLOBAL_RST_MASK;
// use a weird oversample ratio of 26x to fit specs, standard 16x won't do
CLRSET(uart->BAUD,
LPUART_BAUD_OSR_MASK | LPUART_BAUD_SBR_MASK | LPUART_BAUD_SBNS_MASK,
LPUART_BAUD_OSR(26 - 1) | LPUART_BAUD_SBR(freq / (26 * baud)));
CLRSET(uart->CTRL,
LPUART_CTRL_PE_MASK | LPUART_CTRL_M_MASK | LPUART_CTRL_ILT_MASK |
LPUART_CTRL_IDLECFG_MASK,
LPUART_CTRL_IDLECFG(1) | LPUART_CTRL_ILT(1) |
LPUART_BAUD_SBNS(0)); // no parity, idle 2 chars after 1 stop bit
uart->CTRL |= LPUART_CTRL_TE_MASK | LPUART_CTRL_RE_MASK;
}
static inline void uart_write_byte(LPUART_Type *uart, uint8_t byte) {
uart->DATA = byte;
while ((uart->STAT & LPUART_STAT_TDRE_MASK) == 0) spin(1);
}
static inline void uart_write_buf(LPUART_Type *uart, char *buf, size_t len) {
while (len-- > 0) uart_write_byte(uart, *(uint8_t *) buf++);
}
static inline void rng_init(void) {
}
static inline uint32_t rng_read(void) {
return 42;
}
// - PHY and MAC clocked via a 50MHz oscillator, P1_4 (ENET0_TXCLK)
// - 33.3.30 ENET clocking
// - SMI clocked from AHB module clock (CSR)
// - PHY RST connected to P5_8
// - PHY RXD0,1,DV = 1 on RST enable autonegotiation, no hw pull-ups
static inline void ethernet_init(void) {
// '0' in clk_rmii, set for RMII mode
SYSCON->ENETRMIICLKSEL = SYSCON_ENETRMIICLKSEL_SEL(0);
SYSCON->ENETRMIICLKDIV = SYSCON_ENETRMIICLKDIV_DIV(0);
SYSCON->AHBCLKCTRL2 |= SYSCON_AHBCLKCTRL2_ENET_MASK; // enable bus clk
SYSCON0->PRESETCTRL2 = SYSCON_PRESETCTRL2_ENET_RST_MASK; // reset MAC
SYSCON0->PRESETCTRL2 &= ~SYSCON_PRESETCTRL2_ENET_RST_MASK; // then set RMII
SYSCON0->ENET_PHY_INTF_SEL |= SYSCON_ENET_PHY_INTF_SEL_PHY_SEL_MASK;
gpio_init(PIN(5, 8), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_LOW,
GPIO_PULL_NONE, 0); // set P5_8 as GPIO (PHY \RST)
gpio_write(PIN(5, 8), 0); // reset PHY
gpio_init(PIN(1, 4), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_4 as ENET0_TXCLK
gpio_init(PIN(1, 5), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_5 as ENET0_TXEN
gpio_init(PIN(1, 6), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_6 as ENET0_TXD0
gpio_init(PIN(1, 7), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_7 as ENET0_TXD1
gpio_init(PIN(1, 13), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_UP, 9); // set P1_13 as ENET0_RXDV
gpio_init(PIN(1, 14), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_UP, 9); // set P1_14 as ENET0_RXD0
gpio_init(PIN(1, 15), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_UP, 9); // set P1_15 as ENET0_RXD1
gpio_init(PIN(1, 20), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_20 as ENET0_MDC
gpio_init(PIN(1, 21), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
GPIO_PULL_NONE, 9); // set P1_21 as ENET0_MDIO
spin(10000); // keep PHY RST low for a while
gpio_write(PIN(5, 8), 1); // deassert RST
NVIC_EnableIRQ(ETHERNET_IRQn); // Setup Ethernet IRQ handler
}
#include "fsl_clock.h"
#include "fsl_spc.h"
// 33.2 Figure 127 SCG main clock
static inline void clock_init(void) {
SYSCON->AHBCLKCTRL2 |= SYSCON_AHBCLKCTRL2_SCG_MASK; // enable SCG clk
CLRSET(SCG0->RCCR, SCG_CSR_SCS_MASK, SCG_CSR_SCS(2)); // clock main_clock
spc_active_mode_dcdc_option_t dcdc = {
.DCDCVoltage = kSPC_DCDC_OverdriveVoltage,
.DCDCDriveStrength = kSPC_DCDC_NormalDriveStrength};
SPC_SetActiveModeDCDCRegulatorConfig(SPC0, &dcdc); // Set DCDC to 1.2 V
spc_active_mode_core_ldo_option_t ldo = {
.CoreLDOVoltage = kSPC_CoreLDO_OverDriveVoltage,
.CoreLDODriveStrength = kSPC_CoreLDO_NormalDriveStrength};
SPC_SetActiveModeCoreLDORegulatorConfig(SPC0, &ldo); // Set LDO_CORE to 1.2 V
CLRSET(FMU0->FCTRL, FMU_FCTRL_RWSC_MASK, FMU_FCTRL_RWSC(3)); // Set Flash WS
spc_sram_voltage_config_t sram = {.operateVoltage = kSPC_sramOperateAt1P2V,
.requestVoltageUpdate = true};
SPC_SetSRAMOperateVoltage(SPC0, &sram); // Set SRAM timing for 1.2V
CLOCK_SetupFROHFClocking(48000000U); // Enable FRO HF
const pll_setup_t pll0 = {.pllctrl = SCG_APLLCTRL_SOURCE(1U) |
SCG_APLLCTRL_SELI(27U) |
SCG_APLLCTRL_SELP(13U),
.pllndiv = SCG_APLLNDIV_NDIV(8U),
.pllpdiv = SCG_APLLPDIV_PDIV(1U),
.pllmdiv = SCG_APLLMDIV_MDIV(50U),
.pllRate = 150000000U};
CLOCK_SetPLL0Freq(&pll0); // Setup PLL0 (APLL),
CLOCK_SetPll0MonitorMode(0); // disable monitor mode
CLRSET(SCG0->RCCR, SCG_CSR_SCS_MASK, SCG_CSR_SCS(5)); // clock main_clock
SYSCON->AHBCLKDIV = SYSCON_AHBCLKDIV_DIV(0); // /1
}

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OUTPUT_FORMAT("elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(Reset_Handler)
MEMORY
{
flash(RX) : ORIGIN = 0x0, LENGTH = 0x100000
flash2(RX) : ORIGIN = 0x100000, LENGTH = 0x100000
sram(!RX) : ORIGIN = 0x20000000, LENGTH = 0x60000
}
_estack = ORIGIN(sram) + LENGTH(sram);
SECTIONS
{
.vectors : { FILL(256) KEEP(*(.isr_vector)) } > flash
.text : { *(.text*) } > flash
.data : {
_sdata = .;
*(.first_data)
*(.data SORT(.data.*))
_edata = .;
} > sram AT > flash
_sidata = LOADADDR(.data);
.bss : { _sbss = .; *(.bss SORT(.bss.*) COMMON) _ebss = .; } > sram
. = ALIGN(8);
_end = .;
}

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// Copyright (c) 2024 Cesanta Software Limited
// All rights reserved
#include "hal.h"
#include "mongoose.h"
#include "net.h"
#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
static void server(void *args) {
struct mg_mgr mgr; // Initialise Mongoose event manager
mg_mgr_init(&mgr); // and attach it to the interface
mg_log_set(MG_LL_DEBUG); // Set log level
MG_INFO(("Initialising application..."));
web_init(&mgr);
MG_INFO(("Starting event loop"));
for (;;) mg_mgr_poll(&mgr, 1); // Infinite event loop
(void) args;
}
static void blinker(void *args) {
gpio_output(LED1);
for (;;) {
gpio_toggle(LED1);
vTaskDelay(pdMS_TO_TICKS(BLINK_PERIOD_MS));
}
(void) args;
}
int main(void) {
hal_init(); // Cross-platform hardware init
// Start tasks. NOTE: stack sizes are in 32-bit words
xTaskCreate(blinker, "blinker", 128, ":)", configMAX_PRIORITIES - 1, NULL);
xTaskCreate(server, "server", 2048, 0, configMAX_PRIORITIES - 1, NULL);
vTaskStartScheduler(); // This blocks
return 0;
}

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../../../mongoose.c

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../../../mongoose.h

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#pragma once
#include <errno.h> // we are not using lwIP
// See https://mongoose.ws/documentation/#build-options
#define MG_ARCH MG_ARCH_FREERTOS
#define MG_ENABLE_TCPIP 1
#define MG_ENABLE_DRIVER_MCXN 1
//#define MG_ENABLE_CUSTOM_RANDOM 1
#define MG_ENABLE_PACKED_FS 1
// For static IP configuration, define MG_TCPIP_{IP,MASK,GW}
// By default, those are set to zero, meaning that DHCP is used
//
// #define MG_TCPIP_IP MG_IPV4(192, 168, 1, 10)
// #define MG_TCPIP_GW MG_IPV4(192, 168, 1, 1)
// #define MG_TCPIP_MASK MG_IPV4(255, 255, 255, 0)
// Set custom MAC address. By default, it is randomly generated
// Using a build-time constant:
// #define MG_SET_MAC_ADDRESS(mac) do { uint8_t buf_[6] = {2,3,4,5,6,7}; memmove(mac, buf_, sizeof(buf_)); } while (0)
//
// Using custom function:
// extern void my_function(unsigned char *mac);
// #define MG_SET_MAC_ADDRESS(mac) my_function(mac)

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../../device-dashboard/net.c

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../../device-dashboard/net.h

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../../device-dashboard/packed_fs.c

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#include "MCXN947_cm33_core0.h"
void Reset_Handler(void); // Defined below
void Dummy_Handler(void); // Defined below
void SysTick_Handler(void); // Defined in main.c
void SystemInit(void); // Defined in main.c, called by reset handler
void _estack(void); // Defined in link.ld
#define WEAK_ALIAS __attribute__((weak, alias("Default_Handler")))
WEAK_ALIAS void NMI_Handler(void);
WEAK_ALIAS void HardFault_Handler(void);
WEAK_ALIAS void MemManage_Handler(void);
WEAK_ALIAS void BusFault_Handler(void);
WEAK_ALIAS void UsageFault_Handler(void);
WEAK_ALIAS void SecureFault_Handler(void);
WEAK_ALIAS void DebugMon_Handler(void);
WEAK_ALIAS void SVC_Handler(void);
WEAK_ALIAS void PendSV_Handler(void);
WEAK_ALIAS void SysTick_Handler(void);
WEAK_ALIAS void OR_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH0_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH1_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH2_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH3_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH4_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH5_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH6_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH7_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH8_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH9_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH10_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH11_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH12_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH13_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH14_IRQHandler(void);
WEAK_ALIAS void EDMA_0_CH15_IRQHandler(void);
WEAK_ALIAS void GPIO00_IRQHandler(void);
WEAK_ALIAS void GPIO01_IRQHandler(void);
WEAK_ALIAS void GPIO10_IRQHandler(void);
WEAK_ALIAS void GPIO11_IRQHandler(void);
WEAK_ALIAS void GPIO20_IRQHandler(void);
WEAK_ALIAS void GPIO21_IRQHandler(void);
WEAK_ALIAS void GPIO30_IRQHandler(void);
WEAK_ALIAS void GPIO31_IRQHandler(void);
WEAK_ALIAS void GPIO40_IRQHandler(void);
WEAK_ALIAS void GPIO41_IRQHandler(void);
WEAK_ALIAS void GPIO50_IRQHandler(void);
WEAK_ALIAS void GPIO51_IRQHandler(void);
WEAK_ALIAS void UTICK0_IRQHandler(void);
WEAK_ALIAS void MRT0_IRQHandler(void);
WEAK_ALIAS void CTIMER0_IRQHandler(void);
WEAK_ALIAS void CTIMER1_IRQHandler(void);
WEAK_ALIAS void SCT0_IRQHandler(void);
WEAK_ALIAS void CTIMER2_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM0_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM1_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM2_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM3_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM4_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM5_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM6_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM7_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM8_IRQHandler(void);
WEAK_ALIAS void LP_FLEXCOMM9_IRQHandler(void);
WEAK_ALIAS void ADC0_IRQHandler(void);
WEAK_ALIAS void ADC1_IRQHandler(void);
WEAK_ALIAS void PINT0_IRQHandler(void);
WEAK_ALIAS void PDM_EVENT_IRQHandler(void);
WEAK_ALIAS void Reserved65_IRQHandler(void);
WEAK_ALIAS void USB0_FS_IRQHandler(void);
WEAK_ALIAS void USB0_DCD_IRQHandler(void);
WEAK_ALIAS void RTC_IRQHandler(void);
WEAK_ALIAS void SMARTDMA_IRQHandler(void);
WEAK_ALIAS void MAILBOX_IRQHandler(void);
WEAK_ALIAS void CTIMER3_IRQHandler(void);
WEAK_ALIAS void CTIMER4_IRQHandler(void);
WEAK_ALIAS void OS_EVENT_IRQHandler(void);
WEAK_ALIAS void FLEXSPI0_IRQHandler(void);
WEAK_ALIAS void SAI0_IRQHandler(void);
WEAK_ALIAS void SAI1_IRQHandler(void);
WEAK_ALIAS void USDHC0_IRQHandler(void);
WEAK_ALIAS void CAN0_IRQHandler(void);
WEAK_ALIAS void CAN1_IRQHandler(void);
WEAK_ALIAS void Reserved80_IRQHandler(void);
WEAK_ALIAS void Reserved81_IRQHandler(void);
WEAK_ALIAS void USB1_HS_PHY_IRQHandler(void);
WEAK_ALIAS void USB1_HS_IRQHandler(void);
WEAK_ALIAS void SEC_HYPERVISOR_CALL_IRQHandler(void);
WEAK_ALIAS void Reserved85_IRQHandler(void);
WEAK_ALIAS void PLU_IRQHandler(void);
WEAK_ALIAS void Freqme_IRQHandler(void);
WEAK_ALIAS void SEC_VIO_IRQHandler(void);
WEAK_ALIAS void ELS_IRQHandler(void);
WEAK_ALIAS void PKC_IRQHandler(void);
WEAK_ALIAS void PUF_IRQHandler(void);
WEAK_ALIAS void PQ_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH0_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH1_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH2_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH3_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH4_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH5_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH6_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH7_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH8_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH9_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH10_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH11_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH12_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH13_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH14_IRQHandler(void);
WEAK_ALIAS void EDMA_1_CH15_IRQHandler(void);
WEAK_ALIAS void CDOG0_IRQHandler(void);
WEAK_ALIAS void CDOG1_IRQHandler(void);
WEAK_ALIAS void I3C0_IRQHandler(void);
WEAK_ALIAS void I3C1_IRQHandler(void);
WEAK_ALIAS void NPU_IRQHandler(void);
WEAK_ALIAS void GDET_IRQHandler(void);
WEAK_ALIAS void VBAT0_IRQHandler(void);
WEAK_ALIAS void EWM0_IRQHandler(void);
WEAK_ALIAS void TSI_END_OF_SCAN_IRQHandler(void);
WEAK_ALIAS void TSI_OUT_OF_SCAN_IRQHandler(void);
WEAK_ALIAS void EMVSIM0_IRQHandler(void);
WEAK_ALIAS void EMVSIM1_IRQHandler(void);
WEAK_ALIAS void FLEXIO_IRQHandler(void);
WEAK_ALIAS void DAC0_IRQHandler(void);
WEAK_ALIAS void DAC1_IRQHandler(void);
WEAK_ALIAS void DAC2_IRQHandler(void);
WEAK_ALIAS void HSCMP0_IRQHandler(void);
WEAK_ALIAS void HSCMP1_IRQHandler(void);
WEAK_ALIAS void HSCMP2_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_RELOAD_ERROR_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_FAULT_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_SUBMODULE0_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_SUBMODULE1_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_SUBMODULE2_IRQHandler(void);
WEAK_ALIAS void FLEXPWM0_SUBMODULE3_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_RELOAD_ERROR_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_FAULT_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_SUBMODULE0_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_SUBMODULE1_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_SUBMODULE2_IRQHandler(void);
WEAK_ALIAS void FLEXPWM1_SUBMODULE3_IRQHandler(void);
WEAK_ALIAS void ENC0_COMPARE_IRQHandler(void);
WEAK_ALIAS void ENC0_HOME_IRQHandler(void);
WEAK_ALIAS void ENC0_WDG_SAB_IRQHandler(void);
WEAK_ALIAS void ENC0_IDX_IRQHandler(void);
WEAK_ALIAS void ENC1_COMPARE_IRQHandler(void);
WEAK_ALIAS void ENC1_HOME_IRQHandler(void);
WEAK_ALIAS void ENC1_WDG_SAB_IRQHandler(void);
WEAK_ALIAS void ENC1_IDX_IRQHandler(void);
WEAK_ALIAS void ITRC0_IRQHandler(void);
WEAK_ALIAS void BSP32_IRQHandler(void);
WEAK_ALIAS void ELS_ERR_IRQHandler(void);
WEAK_ALIAS void PKC_ERR_IRQHandler(void);
WEAK_ALIAS void ERM_SINGLE_BIT_ERROR_IRQHandler(void);
WEAK_ALIAS void ERM_MULTI_BIT_ERROR_IRQHandler(void);
WEAK_ALIAS void FMU0_IRQHandler(void);
WEAK_ALIAS void ETHERNET_IRQHandler(void);
WEAK_ALIAS void ETHERNET_PMT_IRQHandler(void);
WEAK_ALIAS void ETHERNET_MACLP_IRQHandler(void);
WEAK_ALIAS void SINC_FILTER_IRQHandler(void);
WEAK_ALIAS void LPTMR0_IRQHandler(void);
WEAK_ALIAS void LPTMR1_IRQHandler(void);
WEAK_ALIAS void SCG_IRQHandler(void);
WEAK_ALIAS void SPC_IRQHandler(void);
WEAK_ALIAS void WUU_IRQHandler(void);
WEAK_ALIAS void PORT_EFT_IRQHandler(void);
WEAK_ALIAS void ETB0_IRQHandler(void);
WEAK_ALIAS void SM3_IRQHandler(void);
WEAK_ALIAS void TRNG0_IRQHandler(void);
WEAK_ALIAS void WWDT0_IRQHandler(void);
WEAK_ALIAS void WWDT1_IRQHandler(void);
WEAK_ALIAS void CMC0_IRQHandler(void);
WEAK_ALIAS void CTI0_IRQHandler(void);
__attribute__((section(".vectors"))) void (*const tab[16 + 156])(void) = {
_estack, Reset_Handler,
NMI_Handler, // NMI Handler
HardFault_Handler, // Hard Fault Handler
MemManage_Handler, // MPU Fault Handler
BusFault_Handler, // Bus Fault Handler
UsageFault_Handler, // Usage Fault Handler
SecureFault_Handler, // Secure Fault Handler
0, // Reserved
0, // Reserved
0, // Reserved
SVC_Handler, // SVCall Handler
DebugMon_Handler, // Debug Monitor Handler
0, // Reserved
PendSV_Handler, // PendSV Handler
SysTick_Handler, // SysTick Handler
// Chip Level - MCXN947_cm33_core0
OR_IRQHandler, // 16 : OR IRQ
EDMA_0_CH0_IRQHandler, // 17 : eDMA_0_CH0 error or transfer complete
EDMA_0_CH1_IRQHandler, // 18 : eDMA_0_CH1 error or transfer complete
EDMA_0_CH2_IRQHandler, // 19 : eDMA_0_CH2 error or transfer complete
EDMA_0_CH3_IRQHandler, // 20 : eDMA_0_CH3 error or transfer complete
EDMA_0_CH4_IRQHandler, // 21 : eDMA_0_CH4 error or transfer complete
EDMA_0_CH5_IRQHandler, // 22 : eDMA_0_CH5 error or transfer complete
EDMA_0_CH6_IRQHandler, // 23 : eDMA_0_CH6 error or transfer complete
EDMA_0_CH7_IRQHandler, // 24 : eDMA_0_CH7 error or transfer complete
EDMA_0_CH8_IRQHandler, // 25 : eDMA_0_CH8 error or transfer complete
EDMA_0_CH9_IRQHandler, // 26 : eDMA_0_CH9 error or transfer complete
EDMA_0_CH10_IRQHandler, // 27 : eDMA_0_CH10 error or transfer complete
EDMA_0_CH11_IRQHandler, // 28 : eDMA_0_CH11 error or transfer complete
EDMA_0_CH12_IRQHandler, // 29 : eDMA_0_CH12 error or transfer complete
EDMA_0_CH13_IRQHandler, // 30 : eDMA_0_CH13 error or transfer complete
EDMA_0_CH14_IRQHandler, // 31 : eDMA_0_CH14 error or transfer complete
EDMA_0_CH15_IRQHandler, // 32 : eDMA_0_CH15 error or transfer complete
GPIO00_IRQHandler, // 33 : GPIO0 interrupt 0
GPIO01_IRQHandler, // 34 : GPIO0 interrupt 1
GPIO10_IRQHandler, // 35 : GPIO1 interrupt 0
GPIO11_IRQHandler, // 36 : GPIO1 interrupt 1
GPIO20_IRQHandler, // 37 : GPIO2 interrupt 0
GPIO21_IRQHandler, // 38 : GPIO2 interrupt 1
GPIO30_IRQHandler, // 39 : GPIO3 interrupt 0
GPIO31_IRQHandler, // 40 : GPIO3 interrupt 1
GPIO40_IRQHandler, // 41 : GPIO4 interrupt 0
GPIO41_IRQHandler, // 42 : GPIO4 interrupt 1
GPIO50_IRQHandler, // 43 : GPIO5 interrupt 0
GPIO51_IRQHandler, // 44 : GPIO5 interrupt 1
UTICK0_IRQHandler, // 45 : Micro-Tick Timer interrupt
MRT0_IRQHandler, // 46 : Multi-Rate Timer interrupt
CTIMER0_IRQHandler, // 47 : Standard counter/timer 0 interrupt
CTIMER1_IRQHandler, // 48 : Standard counter/timer 1 interrupt
SCT0_IRQHandler, // 49 : SCTimer/PWM interrupt
CTIMER2_IRQHandler, // 50 : Standard counter/timer 2 interrupt
LP_FLEXCOMM0_IRQHandler, // 51 : LP_FLEXCOMM0 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM1_IRQHandler, // 52 : LP_FLEXCOMM1 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM2_IRQHandler, // 53 : LP_FLEXCOMM2 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM3_IRQHandler, // 54 : LP_FLEXCOMM3 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM4_IRQHandler, // 55 : LP_FLEXCOMM4 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM5_IRQHandler, // 56 : LP_FLEXCOMM5 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM6_IRQHandler, // 57 : LP_FLEXCOMM6 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM7_IRQHandler, // 58 : LP_FLEXCOMM7 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM8_IRQHandler, // 59 : LP_FLEXCOMM8 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
LP_FLEXCOMM9_IRQHandler, // 60 : LP_FLEXCOMM9 (LPSPI interrupt or LPI2C
// interrupt or LPUART Receive/Transmit interrupt)
ADC0_IRQHandler, // 61 : Analog-to-Digital Converter 0 - General Purpose
// interrupt
ADC1_IRQHandler, // 62 : Analog-to-Digital Converter 1 - General Purpose
// interrupt
PINT0_IRQHandler, // 63 : Pin Interrupt Pattern Match Interrupt
PDM_EVENT_IRQHandler, // 64 : Microphone Interface interrupt
Reserved65_IRQHandler, // 65 : Reserved interrupt
USB0_FS_IRQHandler, // 66 : Universal Serial Bus - Full Speed interrupt
USB0_DCD_IRQHandler, // 67 : Universal Serial Bus - Device Charge Detect
// interrupt
RTC_IRQHandler, // 68 : RTC Subsystem interrupt (RTC interrupt or Wake
// timer interrupt)
SMARTDMA_IRQHandler, // 69 : SmartDMA_IRQ
MAILBOX_IRQHandler, // 70 : Inter-CPU Mailbox interrupt0 for CPU0 Inter-CPU
// Mailbox interrupt1 for CPU1
CTIMER3_IRQHandler, // 71 : Standard counter/timer 3 interrupt
CTIMER4_IRQHandler, // 72 : Standard counter/timer 4 interrupt
OS_EVENT_IRQHandler, // 73 : OS event timer interrupt
FLEXSPI0_IRQHandler, // 74 : Flexible Serial Peripheral Interface interrupt
SAI0_IRQHandler, // 75 : Serial Audio Interface 0 interrupt
SAI1_IRQHandler, // 76 : Serial Audio Interface 1 interrupt
USDHC0_IRQHandler, // 77 : Ultra Secured Digital Host Controller interrupt
CAN0_IRQHandler, // 78 : Controller Area Network 0 interrupt
CAN1_IRQHandler, // 79 : Controller Area Network 1 interrupt
Reserved80_IRQHandler, // 80 : Reserved interrupt
Reserved81_IRQHandler, // 81 : Reserved interrupt
USB1_HS_PHY_IRQHandler, // 82 : USBHS DCD or USBHS Phy interrupt
USB1_HS_IRQHandler, // 83 : USB High Speed OTG Controller interrupt
SEC_HYPERVISOR_CALL_IRQHandler, // 84 : AHB Secure Controller hypervisor
// call interrupt
Reserved85_IRQHandler, // 85 : Reserved interrupt
PLU_IRQHandler, // 86 : Programmable Logic Unit interrupt
Freqme_IRQHandler, // 87 : Frequency Measurement interrupt
SEC_VIO_IRQHandler, // 88 : Secure violation interrupt (Memory Block
// Checker interrupt or secure AHB matrix violation
// interrupt)
ELS_IRQHandler, // 89 : ELS interrupt
PKC_IRQHandler, // 90 : PKC interrupt
PUF_IRQHandler, // 91 : Physical Unclonable Function interrupt
PQ_IRQHandler, // 92 : Power Quad interrupt
EDMA_1_CH0_IRQHandler, // 93 : eDMA_1_CH0 error or transfer complete
EDMA_1_CH1_IRQHandler, // 94 : eDMA_1_CH1 error or transfer complete
EDMA_1_CH2_IRQHandler, // 95 : eDMA_1_CH2 error or transfer complete
EDMA_1_CH3_IRQHandler, // 96 : eDMA_1_CH3 error or transfer complete
EDMA_1_CH4_IRQHandler, // 97 : eDMA_1_CH4 error or transfer complete
EDMA_1_CH5_IRQHandler, // 98 : eDMA_1_CH5 error or transfer complete
EDMA_1_CH6_IRQHandler, // 99 : eDMA_1_CH6 error or transfer complete
EDMA_1_CH7_IRQHandler, // 100: eDMA_1_CH7 error or transfer complete
EDMA_1_CH8_IRQHandler, // 101: eDMA_1_CH8 error or transfer complete
EDMA_1_CH9_IRQHandler, // 102: eDMA_1_CH9 error or transfer complete
EDMA_1_CH10_IRQHandler, // 103: eDMA_1_CH10 error or transfer complete
EDMA_1_CH11_IRQHandler, // 104: eDMA_1_CH11 error or transfer complete
EDMA_1_CH12_IRQHandler, // 105: eDMA_1_CH12 error or transfer complete
EDMA_1_CH13_IRQHandler, // 106: eDMA_1_CH13 error or transfer complete
EDMA_1_CH14_IRQHandler, // 107: eDMA_1_CH14 error or transfer complete
EDMA_1_CH15_IRQHandler, // 108: eDMA_1_CH15 error or transfer complete
CDOG0_IRQHandler, // 109: Code Watchdog Timer 0 interrupt
CDOG1_IRQHandler, // 110: Code Watchdog Timer 1 interrupt
I3C0_IRQHandler, // 111: Improved Inter Integrated Circuit interrupt 0
I3C1_IRQHandler, // 112: Improved Inter Integrated Circuit interrupt 1
NPU_IRQHandler, // 113: NPU interrupt
GDET_IRQHandler, // 114: Digital Glitch Detect 0 interrupt or Digital
// Glitch Detect 1 interrupt
VBAT0_IRQHandler, // 115: VBAT interrupt( VBAT interrupt or digital tamper
// interrupt)
EWM0_IRQHandler, // 116: External Watchdog Monitor interrupt
TSI_END_OF_SCAN_IRQHandler, // 117: TSI End of Scan interrupt
TSI_OUT_OF_SCAN_IRQHandler, // 118: TSI Out of Scan interrupt
EMVSIM0_IRQHandler, // 119: EMVSIM0 interrupt
EMVSIM1_IRQHandler, // 120: EMVSIM1 interrupt
FLEXIO_IRQHandler, // 121: Flexible Input/Output interrupt
DAC0_IRQHandler, // 122: Digital-to-Analog Converter 0 - General Purpose
// interrupt
DAC1_IRQHandler, // 123: Digital-to-Analog Converter 1 - General Purpose
// interrupt
DAC2_IRQHandler, // 124: 14-bit Digital-to-Analog Converter interrupt
HSCMP0_IRQHandler, // 125: High-Speed comparator0 interrupt
HSCMP1_IRQHandler, // 126: High-Speed comparator1 interrupt
HSCMP2_IRQHandler, // 127: High-Speed comparator2 interrupt
FLEXPWM0_RELOAD_ERROR_IRQHandler, // 128: FlexPWM0_reload_error interrupt
FLEXPWM0_FAULT_IRQHandler, // 129: FlexPWM0_fault interrupt
FLEXPWM0_SUBMODULE0_IRQHandler, // 130: FlexPWM0 Submodule 0
// capture/compare/reload interrupt
FLEXPWM0_SUBMODULE1_IRQHandler, // 131: FlexPWM0 Submodule 1
// capture/compare/reload interrupt
FLEXPWM0_SUBMODULE2_IRQHandler, // 132: FlexPWM0 Submodule 2
// capture/compare/reload interrupt
FLEXPWM0_SUBMODULE3_IRQHandler, // 133: FlexPWM0 Submodule 3
// capture/compare/reload interrupt
FLEXPWM1_RELOAD_ERROR_IRQHandler, // 134: FlexPWM1_reload_error interrupt
FLEXPWM1_FAULT_IRQHandler, // 135: FlexPWM1_fault interrupt
FLEXPWM1_SUBMODULE0_IRQHandler, // 136: FlexPWM1 Submodule 0
// capture/compare/reload interrupt
FLEXPWM1_SUBMODULE1_IRQHandler, // 137: FlexPWM1 Submodule 1
// capture/compare/reload interrupt
FLEXPWM1_SUBMODULE2_IRQHandler, // 138: FlexPWM1 Submodule 2
// capture/compare/reload interrupt
FLEXPWM1_SUBMODULE3_IRQHandler, // 139: FlexPWM1 Submodule 3
// capture/compare/reload interrupt
ENC0_COMPARE_IRQHandler, // 140: ENC0_Compare interrupt
ENC0_HOME_IRQHandler, // 141: ENC0_Home interrupt
ENC0_WDG_SAB_IRQHandler, // 142: ENC0_WDG_IRQ/SAB interrupt
ENC0_IDX_IRQHandler, // 143: ENC0_IDX interrupt
ENC1_COMPARE_IRQHandler, // 144: ENC1_Compare interrupt
ENC1_HOME_IRQHandler, // 145: ENC1_Home interrupt
ENC1_WDG_SAB_IRQHandler, // 146: ENC1_WDG_IRQ/SAB interrupt
ENC1_IDX_IRQHandler, // 147: ENC1_IDX interrupt
ITRC0_IRQHandler, // 148: Intrusion and Tamper Response Controller
// interrupt
BSP32_IRQHandler, // 149: CoolFlux BSP32 interrupt
ELS_ERR_IRQHandler, // 150: ELS error interrupt
PKC_ERR_IRQHandler, // 151: PKC error interrupt
ERM_SINGLE_BIT_ERROR_IRQHandler, // 152: ERM Single Bit error interrupt
ERM_MULTI_BIT_ERROR_IRQHandler, // 153: ERM Multi Bit error interrupt
FMU0_IRQHandler, // 154: Flash Management Unit interrupt
ETHERNET_IRQHandler, // 155: Ethernet QoS interrupt
ETHERNET_PMT_IRQHandler, // 156: Ethernet QoS power management interrupt
ETHERNET_MACLP_IRQHandler, // 157: Ethernet QoS MAC interrupt
SINC_FILTER_IRQHandler, // 158: SINC Filter interrupt
LPTMR0_IRQHandler, // 159: Low Power Timer 0 interrupt
LPTMR1_IRQHandler, // 160: Low Power Timer 1 interrupt
SCG_IRQHandler, // 161: System Clock Generator interrupt
SPC_IRQHandler, // 162: System Power Controller interrupt
WUU_IRQHandler, // 163: Wake Up Unit interrupt
PORT_EFT_IRQHandler, // 164: PORT0~5 EFT interrupt
ETB0_IRQHandler, // 165: ETB counter expires interrupt
SM3_IRQHandler, // 166: Secure Generic Interface (SGI) SAFO interrupt
TRNG0_IRQHandler, // 167: True Random Number Generator interrupt
WWDT0_IRQHandler, // 168: Windowed Watchdog Timer 0 interrupt
WWDT1_IRQHandler, // 169: Windowed Watchdog Timer 1 interrupt
CMC0_IRQHandler, // 170: Core Mode Controller interrupt
CTI0_IRQHandler, // 171: Cross Trigger Interface interrupt
};
extern unsigned char _end[]; // End of data section, start of heap. See link.ld
__attribute__((naked, noreturn)) void Reset_Handler(void) {
__asm("cpsid i"); // Disable interrupts
// set SPLIM to somewhere, trick the linker
__asm volatile("MSR MSPLIM, %1 \n"
:
: "r"(tab), "r"(_end)
: "r0", "r1");
SYSCON->ECC_ENABLE_CTRL = 0; // disable RAM ECC, must do for this link.ld
// Clear BSS section, and copy data section from flash to RAM
extern long _sbss, _ebss, _sdata, _edata, _sidata;
for (long *dst = &_sbss; dst < &_ebss; dst++) *dst = 0;
for (long *dst = &_sdata, *src = &_sidata; dst < &_edata;) *dst++ = *src++;
SystemInit();
__asm("cpsie i"); // Reenable interrupts
// Call main()
extern void main(void);
main();
for (;;) (void) 0; // Infinite loop
}
void Default_Handler(void) {
for (;;) (void) 0;
}

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@ -1,85 +1,29 @@
CFLAGS = -W -Wall -Wextra -Werror -Wundef -Wshadow -Wdouble-promotion
CFLAGS += -Wformat-truncation -fno-common # -Wconversion is not SDK-friendly
CFLAGS += -g3 -Os -ffunction-sections -fdata-sections
CFLAGS += -I. -Icmsis_core/CMSIS/Core/Include -Icmsis_mcu/devices/MIMXRT1021
CFLAGS += -Icmsis_mcu/devices/MIMXRT1021/drivers -DCPU_MIMXRT1021DAG5A
CFLAGS += -mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-d16 $(CFLAGS_EXTRA)
LDSCRIPT = link.ld
LDFLAGS ?= -T$(LDSCRIPT) -nostdlib -nostartfiles --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
BOARD = rt1020
IDE = GCC+make
RTOS = baremetal
WIZARD_URL ?= http://mongoose.ws/wizard
SOURCES = main.c syscalls.c sysinit.c
SOURCES += cmsis_mcu/devices/MIMXRT1021/gcc/startup_MIMXRT1021.S # NXP startup file. Compiler-dependent!
CFLAGS += -D__ATOLLIC__ -D__STARTUP_CLEAR_BSS # Make startup code work as expected
# Mongoose options are defined in mongoose_config.h
SOURCES += mongoose.c net.c packed_fs.c
# Example specific build options. See README.md
CFLAGS += -DHTTP_URL=\"http://0.0.0.0/\" -DHTTPS_URL=\"https://0.0.0.0/\"
ifeq ($(OS),Windows_NT)
RM = cmd /C del /Q /F /S
else
RM = rm -rf
endif
all build example update: SOURCES += flash_image.c
all build example: firmware.bin
ram: LDSCRIPT = link_ram.ld
ram: firmware.bin
firmware.bin: wizard
make -C wizard CFLAGS_EXTRA=$(CFLAGS_EXTRA) && mv wizard/firmware.bin ./
firmware.bin: firmware.elf
arm-none-eabi-objcopy -O binary $< $@
wizard:
hash=$$(curl -s -X POST -H "Content-Type: application/json" -d '{"build":{"board":"$(BOARD)","ide":"$(IDE)","rtos":"$(RTOS)"}}' $(WIZARD_URL)/api/hash | jq -r '.hash') \
&& curl -s $(WIZARD_URL)/api/zip/$(BOARD)/$(IDE)/$(RTOS)/$$hash -o wizard.zip
unzip wizard.zip
cd wizard ; rm mongoose.[ch] ; ln -s ../../../../mongoose.c ; ln -s ../../../../mongoose.h
firmware.elf: cmsis_core cmsis_mcu $(SOURCES) hal.h link_ram.ld link.ld Makefile
arm-none-eabi-gcc $(SOURCES) $(CFLAGS) $(LDFLAGS) -o $@
arm-none-eabi-size $@
flash: firmware.bin
# flash
cmsis_core: # ARM CMSIS core headers
git clone -q --depth 1 -b 5.9.0 https://github.com/ARM-software/CMSIS_5 $@
cmsis_mcu:
curl -sL https://mcuxpresso.nxp.com/cmsis_pack/repo/NXP.MIMXRT1021_DFP.17.0.0.pack -o $@.zip
mkdir $@ && cd $@ && unzip -q ../$@.zip
mbedtls: # mbedTLS library
git clone --depth 1 -b v2.28.2 https://github.com/mbed-tls/mbedtls $@
ifeq ($(TLS), mbedtls)
CFLAGS += -DMG_TLS=MG_TLS_MBED -Wno-conversion -Imbedtls/include
CFLAGS += -DMBEDTLS_CONFIG_FILE=\"mbedtls_config.h\" mbedtls/library/*.c
firmware.elf: mbedtls
endif
# Automated remote test. Requires env variable VCON_API_KEY set. See https://vcon.io/automated-firmware-tests/
DEVICE_URL ?= https://dash.vcon.io/api/v3/devices/4
update: firmware.bin
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/ota --data-binary @$<
update updateram: CFLAGS += -DUART_DEBUG=LPUART2
test update: CFLAGS_EXTRA ="-DUART_DEBUG=LPUART2"
test: update
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=5 | tee /tmp/output.txt
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=15 | tee /tmp/output.txt
grep 'READY, IP:' /tmp/output.txt # Check for network init
updateram: ram
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/ota --data-binary @firmware.bin
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"init"}'
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"wm,e000edf0,a05f0003 wm,e000edfc,1 wm,e000ed0c,5fa0004"}'
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"init"}'
PC=`curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"rm,4"}' | jq -r .resp[5:]` && \
SP=`curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"rm,0"}' | jq -r .resp[5:]` && \
REQ="wm,e000ed08,0 wr,d,$$SP wr,f,$$PC" && \
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"'"$$REQ"'"}'
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"wm,e000edf0,a05f0001"}'
testram: updateram
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=5 | tee /tmp/output.txt
grep 'READY, IP:' /tmp/output.txt # Check for network init
clean:
$(RM) firmware.* *.su cmsis_core cmsis_mcu mbedtls *.zip
rm -rf firmware.* wizard*

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@ -0,0 +1 @@
See [Wizard](https://mongoose.ws/wizard/#/output?board=rt1020&ide=GCC+make&rtos=baremetal&file=README.md)

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@ -1,91 +0,0 @@
/*
* Copyright 2020-2021 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#define __DCD_DATA \
0xD2, 0x03, 0xE0, 0x41, 0xCC, 0x03, 0x5C, 0x04, 0x40, 0x0F, 0xC0, 0x68, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x6C, 0xFF, 0xFF, 0xFF, 0xFF, \
0x40, 0x0F, 0xC0, 0x70, 0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x74, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x78, 0xFF, 0xFF, 0xFF, 0xFF, \
0x40, 0x0F, 0xC0, 0x7C, 0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x80, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0D, 0x80, 0x30, 0x00, 0x00, 0x20, 0x01, \
0x40, 0x0D, 0x81, 0x00, 0x10, 0x18, 0x10, 0x1B, 0x40, 0x0F, 0xC0, 0x14, \
0x00, 0x0A, 0x83, 0x40, 0x40, 0x1F, 0x80, 0x14, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x18, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x1C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x20, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x24, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x28, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x2C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x30, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x34, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x38, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x40, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x44, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x48, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x4C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x50, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x54, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x58, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x5C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x64, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x68, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x70, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x74, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x78, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x7C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x84, 0x00, 0x00, 0x00, 0x10, 0x40, 0x1F, 0x80, 0x88, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x8C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x90, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x94, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x98, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x9C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xA0, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xA4, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0xA8, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xAC, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xB0, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x81, 0x88, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0x8C, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0x90, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0x94, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0x98, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0x9C, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xA0, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xA4, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xA8, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xAC, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xB0, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xB4, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xB8, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xBC, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xC0, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xC4, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xC8, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xCC, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xD0, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xD4, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xD8, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xDC, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xE0, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xE4, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xE8, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xEC, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xF0, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x81, 0xF4, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xF8, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x81, 0xFC, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x82, 0x00, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x04, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x08, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x82, 0x0C, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x10, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x14, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x82, 0x18, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x1C, \
0x00, 0x00, 0x00, 0xE1, 0x40, 0x1F, 0x82, 0x20, 0x00, 0x00, 0x00, 0xE1, \
0x40, 0x1F, 0x82, 0x24, 0x00, 0x00, 0x00, 0xE1, 0x40, 0x2F, 0x00, 0x00, \
0x10, 0x00, 0x00, 0x04, 0x40, 0x2F, 0x00, 0x08, 0x00, 0x00, 0x00, 0x81, \
0x40, 0x2F, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x81, 0x40, 0x2F, 0x00, 0x10, \
0x80, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x14, 0x82, 0x00, 0x00, 0x1B, \
0x40, 0x2F, 0x00, 0x18, 0x84, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x04, \
0x00, 0x00, 0x79, 0x88, 0x40, 0x2F, 0x00, 0x40, 0x00, 0x00, 0x0F, 0x07, \
0x40, 0x2F, 0x00, 0x44, 0x00, 0x65, 0x29, 0x22, 0x40, 0x2F, 0x00, 0x48, \
0x00, 0x01, 0x09, 0x20, 0x40, 0x2F, 0x00, 0x4C, 0x50, 0x21, 0x0A, 0x08, \
0x40, 0x2F, 0x00, 0x80, 0x00, 0x00, 0x00, 0x21, 0x40, 0x2F, 0x00, 0x84, \
0x00, 0x88, 0x88, 0x88, 0x40, 0x2F, 0x00, 0x94, 0x00, 0x00, 0x00, 0x02, \
0x40, 0x2F, 0x00, 0x98, 0x00, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x90, \
0x80, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0F, \
0xCF, 0x00, 0x0C, 0x1C, 0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, \
0xCC, 0x00, 0x14, 0x04, 0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, \
0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0C, 0xCF, 0x00, 0x0C, 0x1C, \
0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x14, 0x04, \
0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x9C, \
0xA5, 0x5A, 0x00, 0x0C, 0xCF, 0x00, 0x0C, 0x1C, 0x40, 0x2F, 0x00, 0x3C, \
0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x1C, 0x04, 0x40, 0x2F, 0x00, 0xA0, \
0x00, 0x00, 0x00, 0x30, 0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, \
0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0A, 0xCF, 0x00, 0x0C, 0x1C, \
0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x0C, 0x04, \
0x40, 0x2F, 0x00, 0x4C, 0x50, 0x21, 0x0A, 0x09

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@ -1,61 +0,0 @@
#include "dcd.h" // pin settings for MIMXRT1020-EVK board
#include "fsl_flexspi.h" // peripheral structures
#include "fsl_romapi.h" // peripheral structures
#include "hal.h"
extern uint32_t __isr_vector[];
// RM 9.7.2
__attribute__((section(".dcd"), used))
const uint8_t __ivt_dcd_data[] = {__DCD_DATA};
// RM 9.7.1
__attribute__((section(".dat"), used)) const uint32_t __ivt_boot_data[] = {
FlexSPI_AMBA_BASE, // boot start location
8 * 1024 * 1024, // size
0, // Plugin flag
0Xffffffff // empty - extra data word
};
__attribute__((section(".ivt"), used)) const uint32_t __ivt[8] = {
0x412000d1, // header: 41 - version, 2000 size, d1 tag
(uint32_t) __isr_vector, // entry
0, // reserved
(uint32_t) __ivt_dcd_data, // dcd
(uint32_t) __ivt_boot_data, // boot data
(uint32_t) __ivt, // this is us - ivt absolute address
0, // csf absolute address
0, // reserved for HAB
};
#define __FLEXSPI_QSPI_LUT { \
[0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18), \
[1] = FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04),\
[4 * 1 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x05, READ_SDR, FLEXSPI_1PAD, 0x04),\
[4 * 3 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x06, STOP, FLEXSPI_1PAD, 0x0),\
[4 * 5 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x20, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 8 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xD8, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 9 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x02, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 9 + 1] = FLEXSPI_LUT_SEQ(WRITE_SDR, FLEXSPI_1PAD, 0x04, STOP, FLEXSPI_1PAD, 0x0),\
[4 * 11 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x60, STOP, FLEXSPI_1PAD, 0x0),\
}
// MIMXRT1060-EVKB flash chip config: S25LP064A-JBLE
__attribute__((section(".cfg"), used))
const flexspi_nor_config_t __qspi_flash_cfg = {
.memConfig = {.tag = FLEXSPI_CFG_BLK_TAG,
.version = FLEXSPI_CFG_BLK_VERSION,
.readSampleClkSrc = 1, // ReadSampleClk_LoopbackFromDqsPad
.csHoldTime = 3,
.csSetupTime = 3,
.controllerMiscOption = BIT(4),
.deviceType = 1, // serial NOR
.sflashPadType = 4,
.serialClkFreq = 7, // 133MHz
.sflashA1Size = 8 * 1024 * 1024,
.lookupTable = __FLEXSPI_QSPI_LUT},
.pageSize = 256,
.sectorSize = 4 * 1024,
.ipcmdSerialClkFreq = 1,
.blockSize = 64 * 1024,
.isUniformBlockSize = false};

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@ -1,337 +0,0 @@
// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
// https://www.nxp.com/webapp/Download?colCode=IMXRT1020RM
// https://cache.nxp.com/secured/assets/documents/en/user-guide/MIMXRT1020EVKHUG.pdf
#pragma once
#include "MIMXRT1021.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#define BIT(x) (1UL << (x))
#define SETBITS(R, CLEARMASK, SETMASK) (R) = ((R) & ~(CLEARMASK)) | (SETMASK)
#define PIN(bank, num) ((((bank) - '0') << 8) | (num))
#define PINNO(pin) (pin & 255)
#define PINBANK(pin) (pin >> 8)
// Use LED for blinking, GPIO_AD_B0_05. GPIO1.5 (schematics)
#define LED PIN('1', 5)
#ifndef UART_DEBUG
#define UART_DEBUG LPUART1
#endif
// No settable constants, see sysinit.c
#define SYS_FREQUENCY 500000000UL
static inline void spin(volatile uint32_t count) {
while (count--) (void) 0;
}
enum { CLOCK_OFF = 0U, CLOCK_ON_RUN = 1U, CLOCK_ON_RUN_WAIT = 3U };
static inline void clock_periph(uint32_t index, uint32_t shift, uint32_t val) {
volatile uint32_t *r = &CCM->CCGR0;
SETBITS(r[index], 3UL << shift, val << shift);
}
// which peripheral feeds the pin
static inline void gpio_mux_config(uint16_t index, uint8_t af) {
IOMUXC->SW_MUX_CTL_PAD[index] = af;
}
// which pin feeds the peripheral (2nd stage)
static inline void periph_mux_config(uint16_t index, uint8_t in) {
IOMUXC->SELECT_INPUT[index] = in;
}
enum { GPIO_MODE_INPUT, GPIO_MODE_OUTPUT };
enum { GPIO_OTYPE_PUSH_PULL, GPIO_OTYPE_OPEN_DRAIN };
enum { GPIO_SPEED_LOW, GPIO_SPEED_MEDIUM, GPIO_SPEED_MEDIUM_, GPIO_SPEED_HIGH };
enum { GPIO_PULL_NONE, GPIO_PULL_DOWN, GPIO_PULL_UP };
static inline GPIO_Type *gpio_bank(uint16_t pin) {
static const GPIO_Type *g[] = {NULL, GPIO1, GPIO2, GPIO3, NULL, GPIO5};
return (GPIO_Type *) g[PINBANK(pin)];
}
// pin driver/pull-up/down configuration (ignore "keeper")
static inline void gpio_pad_config(uint16_t index, uint8_t type, uint8_t speed,
uint8_t pull) {
bool dopull = pull > 0;
if (dopull) --pull;
IOMUXC->SW_PAD_CTL_PAD[index] =
IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_ODE(type) |
IOMUXC_SW_PAD_CTL_PAD_SRE(speed >= GPIO_SPEED_HIGH) |
IOMUXC_SW_PAD_CTL_PAD_PUE(1) | IOMUXC_SW_PAD_CTL_PAD_PKE(dopull) |
IOMUXC_SW_PAD_CTL_PAD_PUS(pull) | IOMUXC_SW_PAD_CTL_PAD_DSE(7);
}
static inline void gpio_init(uint16_t pin, uint8_t mode, uint8_t type,
uint8_t speed, uint8_t pull) {
GPIO_Type *gpio = gpio_bank(pin);
uint8_t bit = (uint8_t) PINNO(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
clock_periph(4, CCM_CCGR4_CG1_SHIFT, CLOCK_ON_RUN_WAIT); // iomuxc_ipg_clk_s
switch (PINBANK(pin)) {
case 1:
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_00 + bit, 5);
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_00 + bit, type, speed,
pull);
clock_periph(1, CCM_CCGR1_CG13_SHIFT, CLOCK_ON_RUN_WAIT);
break;
case 2:
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_EMC_00 + bit, 5);
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_EMC_00 + bit, type, speed,
pull);
clock_periph(0, CCM_CCGR0_CG15_SHIFT, CLOCK_ON_RUN_WAIT);
break;
case 3:
gpio_mux_config(bit < 13
? kIOMUXC_SW_MUX_CTL_PAD_GPIO_EMC_32 + bit
: kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B0_00 + bit - 13,
5);
gpio_pad_config(bit < 13
? kIOMUXC_SW_PAD_CTL_PAD_GPIO_EMC_32 + bit
: kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B0_00 + bit - 13,
type, speed, pull);
clock_periph(2, CCM_CCGR2_CG13_SHIFT, CLOCK_ON_RUN_WAIT);
break;
case 5:
// TODO(): support sw_mux
clock_periph(1, CCM_CCGR1_CG15_SHIFT, CLOCK_ON_RUN_WAIT);
break;
default:
break;
}
gpio->IMR &= ~mask;
if (mode == GPIO_MODE_INPUT) {
gpio->GDIR &= ~mask;
} else {
gpio->GDIR |= mask;
}
}
static inline void gpio_input(uint16_t pin) {
gpio_init(pin, GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM,
GPIO_PULL_NONE);
}
static inline void gpio_output(uint16_t pin) {
gpio_init(pin, GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM,
GPIO_PULL_NONE);
}
static inline bool gpio_read(uint16_t pin) {
GPIO_Type *gpio = gpio_bank(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
return gpio->DR & mask;
}
static inline void gpio_write(uint16_t pin, bool value) {
GPIO_Type *gpio = gpio_bank(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
if (value) {
gpio->DR |= mask;
} else {
gpio->DR &= ~mask;
}
}
static inline void gpio_toggle(uint16_t pin) {
gpio_write(pin, !gpio_read(pin));
}
// 14.5 Table 14-4: uart_clk_root
// see sysinit.c for clocks, (14.7.9: defaults to PLL3/6/1 = 80MHz)
static inline void uart_init(LPUART_Type *uart, unsigned long baud) {
uint8_t af = 2; // Alternate function
uint16_t mr = 0, pr = 0, mt = 0, pt = 0; // pins
uint32_t freq = 80000000; // uart_clk_root frequency
if (uart == LPUART1)
mt = kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_06,
pt = kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_06,
mr = kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_07,
pr = kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_07;
if (uart == LPUART2)
mt = kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B1_08,
pt = kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B1_08,
mr = kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B1_09,
pr = kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B1_09;
if (uart == LPUART1) clock_periph(5, CCM_CCGR5_CG12_SHIFT, CLOCK_ON_RUN_WAIT);
if (uart == LPUART2) clock_periph(0, CCM_CCGR0_CG14_SHIFT, CLOCK_ON_RUN_WAIT);
clock_periph(4, CCM_CCGR4_CG1_SHIFT, CLOCK_ON_RUN_WAIT); // iomuxc_ipg_clk_s
gpio_mux_config(mt, af);
gpio_pad_config(pt, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM, GPIO_PULL_UP);
gpio_mux_config(mr, af);
gpio_pad_config(pr, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM, GPIO_PULL_UP);
uart->GLOBAL |= LPUART_GLOBAL_RST_MASK; // reset, CTRL = 0, defaults
uart->GLOBAL &= ~LPUART_GLOBAL_RST_MASK;
SETBITS(uart->BAUD,
LPUART_BAUD_OSR_MASK | LPUART_BAUD_SBR_MASK | LPUART_BAUD_SBNS_MASK,
LPUART_BAUD_OSR(16 - 1) |
LPUART_BAUD_SBR(freq / (16 * baud))); // Rx sample at 16x
SETBITS(uart->CTRL,
LPUART_CTRL_PE_MASK | LPUART_CTRL_M_MASK | LPUART_CTRL_ILT_MASK |
LPUART_CTRL_IDLECFG_MASK,
LPUART_CTRL_IDLECFG(1) | LPUART_CTRL_ILT(1) |
LPUART_BAUD_SBNS(0)); // no parity, idle 2 chars after 1 stop bit
uart->CTRL |= LPUART_CTRL_TE_MASK | LPUART_CTRL_RE_MASK;
}
static inline void uart_write_byte(LPUART_Type *uart, uint8_t byte) {
uart->DATA = byte;
while ((uart->STAT & LPUART_STAT_TDRE_MASK) == 0) spin(1);
}
static inline void uart_write_buf(LPUART_Type *uart, char *buf, size_t len) {
while (len-- > 0) uart_write_byte(uart, *(uint8_t *) buf++);
}
static inline int uart_read_ready(LPUART_Type *uart) {
(void) uart;
return uart->STAT & LPUART_STAT_RDRF_MASK;
}
static inline uint8_t uart_read_byte(LPUART_Type *uart) {
return (uint8_t) (uart->DATA & 255);
}
static inline void rng_init(void) {
clock_periph(6, CCM_CCGR6_CG6_SHIFT, CLOCK_ON_RUN_WAIT); // trng_clk
SETBITS(TRNG->MCTL,
TRNG_MCTL_PRGM_MASK | TRNG_MCTL_ERR_MASK | TRNG_MCTL_RST_DEF_MASK,
TRNG_MCTL_PRGM(1) | TRNG_MCTL_ERR(1) |
TRNG_MCTL_RST_DEF(1)); // reset to default values
SETBITS(TRNG->MCTL, TRNG_MCTL_PRGM_MASK | TRNG_MCTL_ERR_MASK,
TRNG_MCTL_PRGM(0)); // set to run mode
(void) TRNG->ENT[TRNG_ENT_COUNT - 1]; // start new entropy generation
(void) TRNG->ENT[0]; // defect workaround
}
static inline uint32_t rng_read(void) {
static uint8_t idx = 0;
while ((TRNG->MCTL & TRNG_MCTL_ENT_VAL_MASK) == 0) (void) 0;
uint32_t data = TRNG->ENT[idx++]; // read data
idx %= TRNG_ENT_COUNT; // stay within array limits
if (idx == 0) // we've just read TRNG_ENT_COUNT - 1
(void) TRNG->ENT[0]; // defect workaround
return data;
}
// - PHY has no xtal, XI driven from ENET_REF_CLK1 (labeled as ENET_TX_CLK
// (GPIO_AD_B0_08)), generated by the MCU
// - PHY RST connected to GPIO1.4 (GPIO_AD_B0_04); INTRP/NAND_TREE connected to
// GPIO1.22 (GPIO_AD_B1_06)
// - 37.4 REF_CLK1 is RMII mode reference clock for Rx, Tx, and SMI; it is I/O
// - 11.4.2 IOMUXC_GPR_GPR1 bit 17: ENET_REF_CLK_DIR --> 1 ENET_REF_CLK is
// output driven by ref_enetpll0
// - 14.6.1.3.4 Ethernet PLL (PLL6)
static inline void ethernet_init(void) {
gpio_init(PIN('1', 4), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_MEDIUM, GPIO_PULL_UP); // set GPIO1.4 as GPIO (PHY \RST)
gpio_write(PIN('1', 4), 0); // reset PHY
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_08,
4); // set for ENET_REF_CLK1
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_08] |=
IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_ENET_RMII_SELECT_INPUT,
1); // drive peripheral from B0_08, so RMII clock is taken
// from ENET_REF_CLK1
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_08, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_09, 0); // set for RXDATA1
periph_mux_config(kIOMUXC_ENET_RX_DATA1_SELECT_INPUT,
1); // drive peripheral from B0_09
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_09, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_10, 0); // set for RXDATA0
periph_mux_config(kIOMUXC_ENET_RX_DATA0_SELECT_INPUT,
1); // drive peripheral from B0_10
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_10, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_11, 0); // set for CRS
periph_mux_config(kIOMUXC_ENET_RX_EN_SELECT_INPUT,
1); // drive peripheral from B0_11
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_11, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_12, 0); // set for RXERR
periph_mux_config(kIOMUXC_ENET_RX_ERR_SELECT_INPUT,
1); // drive peripheral from B0_12
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_12, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_13, 0); // set for TXEN
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_13, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_14, 0); // set for TXDATA0
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_14, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_15, 0); // set for TXDATA1
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_15, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_EMC_40, 4); // set for MDIO
periph_mux_config(kIOMUXC_ENET_MDIO_SELECT_INPUT,
2); // drive peripheral from EMC_40
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_EMC_40, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_MEDIUM, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_EMC_41, 4); // set for MDC
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_EMC_41, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_MEDIUM, GPIO_PULL_UP);
gpio_init(PIN('1', 22), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_MEDIUM,
GPIO_PULL_UP); // set GPIO1.22 as GPIO (PHY INTRP/NAND_TREE)
gpio_write(PIN('1', 22), 1); // prevent NAND_TREE
// 14.8.9 Use 500MHz reference and generate 50MHz. This is done at sysinit.c,
// as we use this source to clock the core
spin(10000); // keep PHY RST low for a while
gpio_write(PIN('1', 4), 1); // deassert RST
gpio_init(PIN('1', 22), GPIO_MODE_INPUT, 0, GPIO_SPEED_MEDIUM,
GPIO_PULL_UP); // setup IRQ (pulled-up)(not used)
IOMUXC_GPR->GPR1 |=
IOMUXC_GPR_GPR1_ENET_REF_CLK_DIR(1); // Set ENET_REF_CLK1 as output
clock_periph(1, CCM_CCGR1_CG5_SHIFT, CLOCK_ON_RUN_WAIT); // enet_ipg_clk
NVIC_EnableIRQ(ENET_IRQn); // Setup Ethernet IRQ handler
}
// Helper macro for MAC generation, byte reads not allowed
#define GENERATE_LOCALLY_ADMINISTERED_MAC() \
{ \
2, OCOTP->CFG0 & 255, (OCOTP->CFG0 >> 10) & 255, \
((OCOTP->CFG0 >> 19) ^ (OCOTP->CFG1 >> 19)) & 255, \
(OCOTP->CFG1 >> 10) & 255, OCOTP->CFG1 & 255 \
}
static inline void flash_init(void) { // QSPI in FlexSPI
// set pins
clock_periph(4, CCM_CCGR4_CG1_SHIFT, CLOCK_ON_RUN_WAIT); // iomuxc_ipg_clk_s
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_05, 1); // set for DQS
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_05] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_05, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_11, 1); // set for SS
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_11] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_11, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_07, 1); // set for SCLK
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_07] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_SCLK_SELECT_INPUT, 0); // drive peripheral from B1_07
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_07, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_08, 1); // set for DATA0
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_08] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_DATA0_SELECT_INPUT, 0); // drive peripheral from B1_08
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_08, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_10, 1); // set for DATA1
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_10] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_DATA1_SELECT_INPUT, 0); // drive peripheral from B1_10
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_10, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_09, 1); // set for DATA2
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_09] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_DATA2_SELECT_INPUT, 0); // drive peripheral from B1_09
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_09, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_06, 1); // set for DATA3
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_06] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPI_A_DATA3_SELECT_INPUT, 0); // drive peripheral from B1_06
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_06, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
// set FlexSPI clock
SETBITS(CCM->CSCMR1, CCM_CSCMR1_FLEXSPI_CLK_SEL_MASK | CCM_CSCMR1_FLEXSPI_PODF_MASK, CCM_CSCMR1_FLEXSPI_CLK_SEL(3) | CCM_CSCMR1_FLEXSPI_PODF(3)); // select PLL3 PFD0 /4
clock_periph(6, CCM_CCGR6_CG5_SHIFT, CLOCK_ON_RUN_WAIT); // enable
}

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ENTRY(Reset_Handler);
MEMORY {
flash_hdr(rx) : ORIGIN = 0x60000000, LENGTH = 8k
flash_irq(rx) : ORIGIN = 0x60002000, LENGTH = 1k
flash_code(rx) : ORIGIN = 0x60002400, LENGTH = 8183k
itcram(rx) : ORIGIN = 0x00000000, LENGTH = 64k
dtcram(rw) : ORIGIN = 0x20000000, LENGTH = 64k
ocram(rw) : ORIGIN = 0x20200000, LENGTH = 128k
}
__StackTop = ORIGIN(dtcram) + LENGTH(dtcram);
/* TODO(): separate itcram and go back to using dtcram for data and bss when ota is finished */
SECTIONS {
.hdr : { FILL(0xff) ; KEEP(*(.cfg)) . = 0x1000 ; KEEP(*(.ivt)) . = 0x1020 ;
KEEP(*(.dat)) . = 0x1030 ; KEEP(*(.dcd)) . = 0x2000 ;} >flash_hdr
.irq : { KEEP(*(.isr_vector)) } > flash_irq
.text : { *(.text* .text.*) *(.rodata*) ; } > flash_code
.data : { __data_start__ = .; *(.data SORT(.data.*)) *(.iram) __data_end__ = .; } > itcram AT > flash_code
__etext = LOADADDR(.data);
.bss : { __bss_start__ = .; *(.bss SORT(.bss.*) COMMON) __bss_end__ = .; } > itcram
_end = .;
}

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// Copyright (c) 2022-2023 Cesanta Software Limited
// All rights reserved
#include "hal.h"
#include "mongoose.h"
#include "net.h"
#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
static volatile uint64_t s_ticks; // Milliseconds since boot
void SysTick_Handler(void) { // SyStick IRQ handler, triggered every 1ms
s_ticks++;
}
uint64_t mg_millis(void) { // Let Mongoose use our uptime function
return s_ticks; // Return number of milliseconds since boot
}
bool mg_random(void *buf, size_t len) { // Use on-board RNG
for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
uint32_t r = rng_read();
memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
}
return true;
}
static void timer_fn(void *arg) {
gpio_toggle(LED); // Blink LED
struct mg_tcpip_if *ifp = arg; // And show
const char *names[] = {"down", "up", "req", "ready"}; // network stats
MG_INFO(("Ethernet: %s, IP: %M, rx:%u, tx:%u, dr:%u, er:%u",
names[ifp->state], mg_print_ip4, &ifp->ip, ifp->nrecv, ifp->nsent,
ifp->ndrop, ifp->nerr));
}
int main(void) {
gpio_output(LED); // Setup blue LED
uart_init(UART_DEBUG, 115200); // Initialise debug printf
ethernet_init(); // Initialise ethernet pins
MG_INFO(("Starting, CPU freq %g MHz", (double) SystemCoreClock / 1000000));
struct mg_mgr mgr; // Initialise
mg_mgr_init(&mgr); // Mongoose event manager
mg_log_set(MG_LL_DEBUG); // Set log level
// Initialise Mongoose network stack
struct mg_tcpip_driver_imxrt_data driver_data = {.mdc_cr = 24, .phy_addr = 2};
struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
// Uncomment below for static configuration:
// .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
// .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
// .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
.driver = &mg_tcpip_driver_imxrt,
.driver_data = &driver_data};
mg_tcpip_init(&mgr, &mif);
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
MG_INFO(("MAC: %M. Waiting for IP...", mg_print_mac, mif.mac));
while (mif.state != MG_TCPIP_STATE_READY) {
mg_mgr_poll(&mgr, 0);
}
MG_INFO(("Initialising application..."));
web_init(&mgr);
MG_INFO(("Starting event loop"));
for (;;) {
mg_mgr_poll(&mgr, 0);
}
return 0;
}

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../../../mongoose.c

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../../../mongoose.h

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#pragma once
// See https://mongoose.ws/documentation/#build-options
#define MG_ARCH MG_ARCH_NEWLIB
#define MG_OTA MG_OTA_FLASH
#define MG_DEVICE MG_DEVICE_RT1020
#define MG_ENABLE_TCPIP 1
#define MG_ENABLE_DRIVER_IMXRT 1
#define MG_IO_SIZE 256
#define MG_ENABLE_CUSTOM_MILLIS 1
#define MG_ENABLE_CUSTOM_RANDOM 1
#define MG_ENABLE_PACKED_FS 1

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../../device-dashboard/net.c

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../../device-dashboard/net.h

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../../device-dashboard/packed_fs.c

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#include <sys/stat.h>
#include "hal.h"
int _fstat(int fd, struct stat *st) {
if (fd < 0) return -1;
st->st_mode = S_IFCHR;
return 0;
}
void *_sbrk(int incr) {
extern char _end;
static unsigned char *heap = NULL;
unsigned char *prev_heap;
unsigned char x = 0, *heap_end = (unsigned char *)((size_t) &x - 512);
(void) x;
if (heap == NULL) heap = (unsigned char *) &_end;
prev_heap = heap;
if (heap + incr > heap_end) return (void *) -1;
heap += incr;
return prev_heap;
}
int _open(const char *path) {
(void) path;
return -1;
}
int _close(int fd) {
(void) fd;
return -1;
}
int _isatty(int fd) {
(void) fd;
return 1;
}
int _lseek(int fd, int ptr, int dir) {
(void) fd, (void) ptr, (void) dir;
return 0;
}
void _exit(int status) {
(void) status;
for (;;) asm volatile("BKPT #0");
}
void _kill(int pid, int sig) {
(void) pid, (void) sig;
}
int _getpid(void) {
return -1;
}
int _write(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
if (fd == 1) uart_write_buf(UART_DEBUG, ptr, (size_t) len);
return -1;
}
int _read(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
return -1;
}
int _link(const char *a, const char *b) {
(void) a, (void) b;
return -1;
}
int _unlink(const char *a) {
(void) a;
return -1;
}
int _stat(const char *path, struct stat *st) {
(void) path, (void) st;
return -1;
}
int mkdir(const char *path, mode_t mode) {
(void) path, (void) mode;
return -1;
}
void _init(void) {}
extern uint64_t mg_now(void);
int _gettimeofday(struct timeval *tv, void *tz) {
uint64_t now = mg_now();
(void) tz;
tv->tv_sec = (time_t) (now / 1000);
tv->tv_usec = (unsigned long) ((now % 1000) * 1000);
return 0;
}

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// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
//
// This file contains essentials required by the CMSIS:
// uint32_t SystemCoreClock - holds the system core clock value
// SystemInit() - initialises the system, e.g. sets up clocks
#include "hal.h"
uint32_t SystemCoreClock = SYS_FREQUENCY;
// - 14.4, Figure 14-2: clock tree
// - 14.7.4: ARM_PODF defaults to /1
// - 14.7.5: AHB_PODF defaults to /1; PERIPH_CLK_SEL defaults to derive clock
// from pre_periph_clk_sel
// - 14.7.6: PRE_PERIPH_CLK_SEL defaults to derive clock from PLL2 PFD3.
// - (For 528MHz operation, we need to set it to derive clock from PLL2, but
// this chip max is 500 MHz).
// - 14.6.1.3.1 System PLL (PLL2); 13.3.2.2 PLLs; 14.6.1.4 Phase Fractional
// Dividers (PFD)
// - 14.8.2: PLL2 is powered off and bypassed to 24MHz
// - 14.8.11: PFD defaults to 18/16 but Figure 14-2 shows half the value
// ("divider")
// - For 500MHz operation, we need to set PRE_PERIPH_CLK_SEL to derive clock
// from divided PLL6
// - 14.8.9: configure PLL6 to generate a 500MHz clock
// - Datasheet 4.1.3: System frequency/Bus frequency max 500/125MHz respectively
// (AHB/IPG)
// - MCUXpresso: IPG_CLK_ROOT <= 125MHz; PERCLK_CLK_ROOT <= 62.5MHz
// - Datasheet 4.8.4.1.1/2: the processor clock frequency must exceed twice the
// ENET_RX_CLK/ENET_TX_CLK frequency.
// - Datasheet 4.8.4.2: no details for RMII (above is for MII), assumed 50MHz
// min processor clock
// - Datasheet 4.1.3, Table 11: "Overdrive" run mode requires 1.25V core voltage
// minimum
void SystemInit(void) { // Called automatically by startup code (ints masked)
SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); // Enable FPU
asm("DSB");
asm("ISB");
// 53.4.2: Disable watchdog after reset (unlocked)
RTWDOG->CS &= ~RTWDOG_CS_EN_MASK;
RTWDOG->TOVAL = 0xFFFF;
while (RTWDOG->CS & RTWDOG_CS_ULK_MASK) spin(1); // wait for lock
while ((RTWDOG->CS & RTWDOG_CS_RCS_MASK) == 0)
spin(1); // wait for new config
// Set VDD_SOC to 1.25V
SETBITS(DCDC->REG3, DCDC_REG3_TRG_MASK, DCDC_REG3_TRG(0x12));
while ((DCDC->REG0 & DCDC_REG0_STS_DC_OK_MASK) == 0)
spin(1); // Wait for DCDC_STS_DC_OK
// 14.8.9 Init 500MHz reference, clock the M7 core with it, generate 50MHz for
// ENET and RMII.
SETBITS(CCM_ANALOG->PLL_ENET, CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC_MASK,
CCM_ANALOG_PLL_ENET_BYPASS_MASK |
CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC(0)); // bypass to 24MHz osc
SETBITS(
CCM_ANALOG->PLL_ENET,
CCM_ANALOG_PLL_ENET_DIV_SELECT_MASK | CCM_ANALOG_PLL_ENET_POWERDOWN_MASK,
CCM_ANALOG_PLL_ENET_DIV_SELECT(1) | CCM_ANALOG_PLL_ENET_ENABLE_MASK |
CCM_ANALOG_PLL_ENET_ENET_500M_REF_EN_MASK); // setup PLL
while ((CCM_ANALOG->PLL_ENET & CCM_ANALOG_PLL_ENET_LOCK_MASK) == 0)
spin(1); // wait until it is stable
CCM_ANALOG->PLL_ENET &=
~CCM_ANALOG_PLL_ENET_BYPASS_MASK; // Disable Bypass (switch to PLL)
SETBITS(CCM->CBCDR, CCM_CBCDR_IPG_PODF_MASK,
CCM_CBCDR_IPG_PODF(3)); // Set IPG divider /4 (125MHz)
SETBITS(CCM->CSCMR1, CCM_CSCMR1_PERCLK_PODF_MASK,
CCM_CSCMR1_PERCLK_PODF(1)); // Set PERCLK divider /2 (62.5MHz)
SETBITS(CCM->CBCMR, CCM_CBCMR_PRE_PERIPH_CLK_SEL_MASK,
CCM_CBCMR_PRE_PERIPH_CLK_SEL(3)); // run from 500MHz clock
// 14.5 Table 14-4: uart_clk_root
// 14.4: uart_clk_root = PLL3/6 or OSC; CCM_CSCDR1 (14.7.9) defaults to
// PLL3/6/1; but ROM boot code fiddles with the divider (9.5.3 Table 9-7)
CCM_ANALOG->PLL_USB1 |= CCM_ANALOG_PLL_USB1_POWER_MASK; // Power PLL on
while ((CCM_ANALOG->PLL_USB1 & CCM_ANALOG_PLL_USB1_LOCK_MASK) == 0)
spin(1); // wait until it is stable
CCM_ANALOG->PLL_USB1 &=
~CCM_ANALOG_PLL_USB1_BYPASS_MASK; // Disable Bypass (switch to PLL)
CCM->CSCDR1 &= ~(CCM_CSCDR1_UART_CLK_SEL_MASK | CCM_CSCDR1_UART_CLK_PODF_MASK);
rng_init(); // Initialise random number generator
// NXP startup code calls SystemInit BEFORE initializing RAM...
SysTick_Config(SYS_FREQUENCY / 1000); // Sys tick every 1ms
}

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CFLAGS = -W -Wall -Wextra -Werror -Wundef -Wshadow -Wdouble-promotion
CFLAGS += -Wformat-truncation -fno-common # -Wconversion is not SDK-friendly
CFLAGS += -g3 -Os -ffunction-sections -fdata-sections
CFLAGS += -I. -Icmsis_core/CMSIS/Core/Include -Icmsis_mcu/devices/MIMXRT1062
CFLAGS += -Icmsis_mcu/devices/MIMXRT1062/drivers -DCPU_MIMXRT1062DVL6B
CFLAGS += -mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-d16 $(CFLAGS_EXTRA)
LDSCRIPT = link.ld
LDFLAGS ?= -T$(LDSCRIPT) -nostdlib -nostartfiles --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
BOARD = rt1060
IDE = GCC+make
RTOS = baremetal
WIZARD_URL ?= http://mongoose.ws/wizard
SOURCES = main.c syscalls.c sysinit.c
SOURCES += cmsis_mcu/devices/MIMXRT1062/gcc/startup_MIMXRT1062.S # NXP startup file. Compiler-dependent!
CFLAGS += -D__ATOLLIC__ -D__STARTUP_CLEAR_BSS # Make startup code work as expected
# Mongoose options are defined in mongoose_config.h
SOURCES += mongoose.c net.c packed_fs.c
# Example specific build options. See README.md
CFLAGS += -DHTTP_URL=\"http://0.0.0.0/\" -DHTTPS_URL=\"https://0.0.0.0/\"
ifeq ($(OS),Windows_NT)
RM = cmd /C del /Q /F /S
else
RM = rm -rf
endif
all build example update: SOURCES += flash_image.c
all build example: firmware.bin
ram: LDSCRIPT = link_ram.ld
ram: firmware.bin
firmware.bin: wizard
make -C wizard CFLAGS_EXTRA=$(CFLAGS_EXTRA) && mv wizard/firmware.bin ./
firmware.bin: firmware.elf
arm-none-eabi-objcopy -O binary $< $@
wizard:
hash=$$(curl -s -X POST -H "Content-Type: application/json" -d '{"build":{"board":"$(BOARD)","ide":"$(IDE)","rtos":"$(RTOS)"}}' $(WIZARD_URL)/api/hash | jq -r '.hash') \
&& curl -s $(WIZARD_URL)/api/zip/$(BOARD)/$(IDE)/$(RTOS)/$$hash -o wizard.zip
unzip wizard.zip
cd wizard ; rm mongoose.[ch] ; ln -s ../../../../mongoose.c ; ln -s ../../../../mongoose.h
firmware.elf: cmsis_core cmsis_mcu $(SOURCES) hal.h link_ram.ld link.ld Makefile
arm-none-eabi-gcc $(SOURCES) $(CFLAGS) $(LDFLAGS) -o $@
arm-none-eabi-size $@
flash: firmware.bin
# flash
cmsis_core: # ARM CMSIS core headers
git clone -q --depth 1 -b 5.9.0 https://github.com/ARM-software/CMSIS_5 $@
cmsis_mcu:
curl -sL https://mcuxpresso.nxp.com/cmsis_pack/repo/NXP.MIMXRT1062_DFP.17.1.0.pack -o $@.zip
mkdir $@ && cd $@ && unzip -q ../$@.zip
mbedtls: # mbedTLS library
git clone --depth 1 -b v2.28.2 https://github.com/mbed-tls/mbedtls $@
ifeq ($(TLS), mbedtls)
CFLAGS += -DMG_TLS=MG_TLS_MBED -Wno-conversion -Imbedtls/include
CFLAGS += -DMBEDTLS_CONFIG_FILE=\"mbedtls_config.h\" mbedtls/library/*.c
firmware.elf: mbedtls
endif
# Automated remote test. Requires env variable VCON_API_KEY set. See https://vcon.io/automated-firmware-tests/
DEVICE_URL ?= https://dash.vcon.io/api/v3/devices/13
update: firmware.bin
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/ota --data-binary @$<
update updateram: CFLAGS += -DUART_DEBUG=LPUART3
test update: CFLAGS_EXTRA ="-DUART_DEBUG=LPUART3"
test: update
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=5 | tee /tmp/output.txt
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=15 | tee /tmp/output.txt
grep 'READY, IP:' /tmp/output.txt # Check for network init
updateram: ram
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/ota --data-binary @firmware.bin
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"init"}'
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"wm,e000edf0,a05f0003 wm,e000edfc,1 wm,e000ed0c,5fa0004"}'
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"init"}'
PC=`curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"rm,4"}' | jq -r .resp[5:]` && \
SP=`curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"rm,0"}' | jq -r .resp[5:]` && \
REQ="wm,e000ed08,0 wr,d,$$SP wr,f,$$PC" && \
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"'"$$REQ"'"}'
curl -su :$(VCON_API_KEY) $(DEVICE_URL)/rpc/swd.exec -d '{"req":"wm,e000edf0,a05f0001"}'
testram: updateram
curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=5 | tee /tmp/output.txt
grep 'READY, IP:' /tmp/output.txt # Check for network init
clean:
$(RM) firmware.* *.su cmsis_core cmsis_mcu mbedtls *.zip
rm -rf firmware.* wizard*

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See [Wizard](https://mongoose.ws/wizard/#/output?board=rt1060&ide=GCC+make&rtos=baremetal&file=README.md)

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/*
* Copyright 2020-2021 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#define __DCD_DATA \
0xD2, 0x04, 0x10, 0x41, 0xCC, 0x03, 0x8C, 0x04, 0x40, 0x0F, 0xC0, 0x68, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x6C, 0xFF, 0xFF, 0xFF, 0xFF, \
0x40, 0x0F, 0xC0, 0x70, 0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x74, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x78, 0xFF, 0xFF, 0xFF, 0xFF, \
0x40, 0x0F, 0xC0, 0x7C, 0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0F, 0xC0, 0x80, \
0xFF, 0xFF, 0xFF, 0xFF, 0x40, 0x0D, 0x80, 0x30, 0x00, 0x00, 0x20, 0x01, \
0x40, 0x0D, 0x81, 0x00, 0x10, 0x1D, 0x10, 0x1B, 0x40, 0x0F, 0xC0, 0x14, \
0x00, 0x01, 0x0D, 0x40, 0x40, 0x1F, 0x80, 0x14, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x18, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x1C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x20, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x24, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x28, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x2C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x30, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x34, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x38, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x40, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x44, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x48, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x4C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x50, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x54, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x58, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x5C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x64, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x68, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x70, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x74, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x78, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x7C, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x84, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x88, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x8C, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x90, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x94, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0x98, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0x9C, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xA0, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xA4, 0x00, 0x00, 0x00, 0x00, \
0x40, 0x1F, 0x80, 0xA8, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xAC, \
0x00, 0x00, 0x00, 0x00, 0x40, 0x1F, 0x80, 0xB0, 0x00, 0x00, 0x00, 0x10, \
0x40, 0x1F, 0x82, 0x04, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x08, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x0C, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x10, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x14, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x18, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x1C, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x20, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x24, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x28, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x2C, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x30, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x34, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x38, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x3C, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x40, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x44, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x48, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x4C, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x50, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x54, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x58, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x5C, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x60, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x64, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x68, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x6C, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x70, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x74, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x78, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x7C, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x80, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x84, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x88, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x8C, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x90, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0x94, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x98, \
0x00, 0x01, 0x10, 0xF9, 0x40, 0x1F, 0x82, 0x9C, 0x00, 0x01, 0x10, 0xF9, \
0x40, 0x1F, 0x82, 0xA0, 0x00, 0x01, 0x10, 0xF9, 0x40, 0x2F, 0x00, 0x00, \
0x10, 0x00, 0x00, 0x04, 0x40, 0x2F, 0x00, 0x08, 0x00, 0x00, 0x00, 0x81, \
0x40, 0x2F, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x81, 0x40, 0x2F, 0x00, 0x10, \
0x80, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x14, 0x82, 0x00, 0x00, 0x1B, \
0x40, 0x2F, 0x00, 0x18, 0x84, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x1C, \
0x86, 0x00, 0x00, 0x1B, 0x40, 0x2F, 0x00, 0x20, 0x90, 0x00, 0x00, 0x21, \
0x40, 0x2F, 0x00, 0x24, 0xA0, 0x00, 0x00, 0x19, 0x40, 0x2F, 0x00, 0x28, \
0xA8, 0x00, 0x00, 0x17, 0x40, 0x2F, 0x00, 0x2C, 0xA9, 0x00, 0x00, 0x1B, \
0x40, 0x2F, 0x00, 0x30, 0x00, 0x00, 0x00, 0x21, 0x40, 0x2F, 0x00, 0x04, \
0x00, 0x00, 0x79, 0xA8, 0x40, 0x2F, 0x00, 0x40, 0x00, 0x00, 0x0F, 0x31, \
0x40, 0x2F, 0x00, 0x44, 0x00, 0x65, 0x29, 0x22, 0x40, 0x2F, 0x00, 0x48, \
0x00, 0x01, 0x09, 0x20, 0x40, 0x2F, 0x00, 0x4C, 0x50, 0x21, 0x0A, 0x08, \
0x40, 0x2F, 0x00, 0x80, 0x00, 0x00, 0x00, 0x21, 0x40, 0x2F, 0x00, 0x84, \
0x00, 0x88, 0x88, 0x88, 0x40, 0x2F, 0x00, 0x94, 0x00, 0x00, 0x00, 0x02, \
0x40, 0x2F, 0x00, 0x98, 0x00, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x90, \
0x80, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0F, \
0xCF, 0x00, 0x0C, 0x1C, 0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, \
0xCC, 0x00, 0x14, 0x04, 0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, \
0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0C, 0xCF, 0x00, 0x0C, 0x1C, \
0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x14, 0x04, \
0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, 0x40, 0x2F, 0x00, 0x9C, \
0xA5, 0x5A, 0x00, 0x0C, 0xCF, 0x00, 0x0C, 0x1C, 0x40, 0x2F, 0x00, 0x3C, \
0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x1C, 0x04, 0x40, 0x2F, 0x00, 0xA0, \
0x00, 0x00, 0x00, 0x33, 0x40, 0x2F, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, \
0x40, 0x2F, 0x00, 0x9C, 0xA5, 0x5A, 0x00, 0x0A, 0xCF, 0x00, 0x0C, 0x1C, \
0x40, 0x2F, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0xCC, 0x00, 0x0C, 0x04, \
0x40, 0x2F, 0x00, 0x4C, 0x50, 0x21, 0x0A, 0x09

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@ -1,61 +0,0 @@
#include "dcd.h" // pin settings for MIMXRT1060-EVKB board
#include "fsl_flexspi.h" // peripheral structures
#include "fsl_romapi.h" // peripheral structures
#include "hal.h"
extern uint32_t __isr_vector[];
// RM 9.7.2
__attribute__((section(".dcd"), used))
const uint8_t __ivt_dcd_data[] = {__DCD_DATA};
// RM 9.7.1
__attribute__((section(".dat"), used)) const uint32_t __ivt_boot_data[] = {
FlexSPI_AMBA_BASE, // boot start location
8 * 1024 * 1024, // size
0, // Plugin flag
0Xffffffff // empty - extra data word
};
__attribute__((section(".ivt"), used)) const uint32_t __ivt[8] = {
0x412000d1, // header: 41 - version, 2000 size, d1 tag
(uint32_t) __isr_vector, // entry
0, // reserved
(uint32_t) __ivt_dcd_data, // dcd
(uint32_t) __ivt_boot_data, // boot data
(uint32_t) __ivt, // this is us - ivt absolute address
0, // csf absolute address
0, // reserved for HAB
};
#define __FLEXSPI_QSPI_LUT { \
[0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18), \
[1] = FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04),\
[4 * 1 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x05, READ_SDR, FLEXSPI_1PAD, 0x04),\
[4 * 3 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x06, STOP, FLEXSPI_1PAD, 0x0),\
[4 * 5 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x20, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 8 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xD8, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 9 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x02, RADDR_SDR, FLEXSPI_1PAD, 0x18),\
[4 * 9 + 1] = FLEXSPI_LUT_SEQ(WRITE_SDR, FLEXSPI_1PAD, 0x04, STOP, FLEXSPI_1PAD, 0x0),\
[4 * 11 + 0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0x60, STOP, FLEXSPI_1PAD, 0x0),\
}
// MIMXRT1060-EVKB flash chip config: IS25WP064AJBLE
__attribute__((section(".cfg"), used))
const flexspi_nor_config_t __qspi_flash_cfg = {
.memConfig = {.tag = FLEXSPI_CFG_BLK_TAG,
.version = FLEXSPI_CFG_BLK_VERSION,
.readSampleClkSrc = 1, // ReadSampleClk_LoopbackFromDqsPad
.csHoldTime = 3,
.csSetupTime = 3,
.controllerMiscOption = BIT(4),
.deviceType = 1, // serial NOR
.sflashPadType = 4,
.serialClkFreq = 7, // 120MHz
.sflashA1Size = 8 * 1024 * 1024,
.lookupTable = __FLEXSPI_QSPI_LUT},
.pageSize = 256,
.sectorSize = 4 * 1024,
.ipcmdSerialClkFreq = 1,
.blockSize = 64 * 1024,
.isUniformBlockSize = false};

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@ -1,356 +0,0 @@
// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
// https://cache.nxp.com/secured/assets/documents/en/reference-manual/IMXRT1060XRM.pdf
// https://cache.nxp.com/secured/assets/documents/en/user-guide/MIMXRT1060EVKBUM.pdf
#pragma once
#include "MIMXRT1062.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#define BIT(x) (1UL << (x))
#define SETBITS(R, CLEARMASK, SETMASK) (R) = ((R) & ~(CLEARMASK)) | (SETMASK)
#define PIN(bank, num) ((((bank) - '0') << 8) | (num))
#define PINNO(pin) (pin & 255)
#define PINBANK(pin) (pin >> 8)
// Use LED for blinking, D8: GPIO_AD_B0_08. GPIO1.8 (schematics, RM)
#define LED PIN('1', 8)
#ifndef UART_DEBUG
#define UART_DEBUG LPUART1
#endif
// No settable constants, see sysinit.c
#define SYS_FREQUENCY 600000000UL
static inline void spin(volatile uint32_t count) {
while (count--) (void) 0;
}
enum { CLOCK_OFF = 0U, CLOCK_ON_RUN = 1U, CLOCK_ON_RUN_WAIT = 3U };
static inline void clock_periph(uint32_t index, uint32_t shift, uint32_t val) {
volatile uint32_t *r = &CCM->CCGR0;
SETBITS(r[index], 3UL << shift, val << shift);
}
// which peripheral feeds the pin
static inline void gpio_mux_config(uint16_t index, uint8_t af) {
IOMUXC->SW_MUX_CTL_PAD[index] = af;
}
// which pin feeds the peripheral (2nd stage)
static inline void periph_mux_config(uint16_t index, uint8_t in) {
IOMUXC->SELECT_INPUT[index] = in;
}
enum { GPIO_MODE_INPUT, GPIO_MODE_OUTPUT };
enum { GPIO_OTYPE_PUSH_PULL, GPIO_OTYPE_OPEN_DRAIN };
enum { GPIO_SPEED_LOW, GPIO_SPEED_MEDIUM, GPIO_SPEED_MEDIUM_, GPIO_SPEED_HIGH };
enum { GPIO_PULL_NONE, GPIO_PULL_DOWN, GPIO_PULL_UP };
static inline GPIO_Type *gpio_bank(uint16_t pin) {
static const GPIO_Type *g[] = {NULL, GPIO1, GPIO2, GPIO3, NULL, GPIO5};
return (GPIO_Type *) g[PINBANK(pin)];
}
// pin driver/pull-up/down configuration (ignore "keeper")
static inline void gpio_pad_config(uint16_t index, uint8_t type, uint8_t speed,
uint8_t pull) {
bool dopull = pull > 0;
if (dopull) --pull;
IOMUXC->SW_PAD_CTL_PAD[index] =
IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_ODE(type) |
IOMUXC_SW_PAD_CTL_PAD_SRE(speed >= GPIO_SPEED_HIGH) |
IOMUXC_SW_PAD_CTL_PAD_PUE(1) | IOMUXC_SW_PAD_CTL_PAD_PKE(dopull) |
IOMUXC_SW_PAD_CTL_PAD_PUS(pull) | IOMUXC_SW_PAD_CTL_PAD_DSE(7);
}
static inline void gpio_init(uint16_t pin, uint8_t mode, uint8_t type,
uint8_t speed, uint8_t pull) {
GPIO_Type *gpio = gpio_bank(pin);
uint8_t bit = (uint8_t) PINNO(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
clock_periph(4, CCM_CCGR4_CG1_SHIFT, CLOCK_ON_RUN_WAIT); // iomuxc_ipg_clk_s
switch (PINBANK(pin)) {
case 1:
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_00 + bit, 5);
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_00 + bit, type, speed,
pull);
clock_periph(1, CCM_CCGR1_CG13_SHIFT, CLOCK_ON_RUN_WAIT);
break;
case 2:
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_00 + bit, 5);
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_00 + bit, type, speed,
pull);
clock_periph(0, CCM_CCGR0_CG15_SHIFT, CLOCK_ON_RUN_WAIT);
break;
case 3:
gpio_mux_config(bit < 12 ? kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_00 + bit
: bit < 18
? kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B0_00 + bit - 12
: kIOMUXC_SW_MUX_CTL_PAD_GPIO_EMC_32 + bit - 18,
5);
gpio_pad_config(bit < 12 ? kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_00 + bit
: bit < 18
? kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B0_00 + bit - 12
: kIOMUXC_SW_PAD_CTL_PAD_GPIO_EMC_32 + bit - 18,
type, speed, pull);
clock_periph(2, CCM_CCGR2_CG13_SHIFT, CLOCK_ON_RUN_WAIT);
break;
case 5:
// TODO(): support sw_mux
clock_periph(1, CCM_CCGR1_CG15_SHIFT, CLOCK_ON_RUN_WAIT);
break;
default:
break;
}
gpio->IMR &= ~mask;
if (mode == GPIO_MODE_INPUT) {
gpio->GDIR &= ~mask;
} else {
gpio->GDIR |= mask;
}
}
static inline void gpio_input(uint16_t pin) {
gpio_init(pin, GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM,
GPIO_PULL_NONE);
}
static inline void gpio_output(uint16_t pin) {
gpio_init(pin, GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM,
GPIO_PULL_NONE);
}
static inline bool gpio_read(uint16_t pin) {
GPIO_Type *gpio = gpio_bank(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
return gpio->DR & mask;
}
static inline void gpio_write(uint16_t pin, bool value) {
GPIO_Type *gpio = gpio_bank(pin);
uint32_t mask = (uint32_t) BIT(PINNO(pin));
if (value) {
gpio->DR |= mask;
} else {
gpio->DR &= ~mask;
}
}
static inline void gpio_toggle(uint16_t pin) {
gpio_write(pin, !gpio_read(pin));
}
// 14.5 Table 14-4: uart_clk_root
// see sysinit.c for clocks, (14.7.9: defaults to pll3_80m = PLL3/6/1 = 80MHz)
static inline void uart_init(LPUART_Type *uart, unsigned long baud) {
uint8_t af = 2; // Alternate function
uint16_t mr = 0, pr = 0, mt = 0, pt = 0; // pins
uint32_t freq = 80000000; // uart_clk_root frequency
if (uart == LPUART1)
mt = kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_12,
pt = kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_12,
mr = kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B0_13,
pr = kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B0_13;
if (uart == LPUART3)
mt = kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B1_06,
pt = kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B1_06,
mr = kIOMUXC_SW_MUX_CTL_PAD_GPIO_AD_B1_07,
pr = kIOMUXC_SW_PAD_CTL_PAD_GPIO_AD_B1_07;
if (uart == LPUART1) clock_periph(5, CCM_CCGR5_CG12_SHIFT, CLOCK_ON_RUN_WAIT);
if (uart == LPUART3) clock_periph(0, CCM_CCGR0_CG6_SHIFT, CLOCK_ON_RUN_WAIT);
clock_periph(4, CCM_CCGR4_CG1_SHIFT, CLOCK_ON_RUN_WAIT); // iomuxc_ipg_clk_s
gpio_mux_config(mt, af);
gpio_pad_config(pt, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM, GPIO_PULL_UP);
gpio_mux_config(mr, af);
gpio_pad_config(pr, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM, GPIO_PULL_UP);
uart->GLOBAL |= LPUART_GLOBAL_RST_MASK; // reset, CTRL = 0, defaults
uart->GLOBAL &= ~LPUART_GLOBAL_RST_MASK;
SETBITS(uart->BAUD,
LPUART_BAUD_OSR_MASK | LPUART_BAUD_SBR_MASK | LPUART_BAUD_SBNS_MASK,
LPUART_BAUD_OSR(16 - 1) |
LPUART_BAUD_SBR(freq / (16 * baud))); // Rx sample at 16x
SETBITS(uart->CTRL,
LPUART_CTRL_PE_MASK | LPUART_CTRL_M_MASK | LPUART_CTRL_ILT_MASK |
LPUART_CTRL_IDLECFG_MASK,
LPUART_CTRL_IDLECFG(1) | LPUART_CTRL_ILT(1) |
LPUART_BAUD_SBNS(0)); // no parity, idle 2 chars after 1 stop bit
uart->CTRL |= LPUART_CTRL_TE_MASK | LPUART_CTRL_RE_MASK;
}
static inline void uart_write_byte(LPUART_Type *uart, uint8_t byte) {
uart->DATA = byte;
while ((uart->STAT & LPUART_STAT_TDRE_MASK) == 0) spin(1);
}
static inline void uart_write_buf(LPUART_Type *uart, char *buf, size_t len) {
while (len-- > 0) uart_write_byte(uart, *(uint8_t *) buf++);
}
static inline int uart_read_ready(LPUART_Type *uart) {
(void) uart;
return uart->STAT & LPUART_STAT_RDRF_MASK;
}
static inline uint8_t uart_read_byte(LPUART_Type *uart) {
return (uint8_t) (uart->DATA & 255);
}
static inline void rng_init(void) {
clock_periph(6, CCM_CCGR6_CG6_SHIFT, CLOCK_ON_RUN_WAIT); // trng_clk
SETBITS(TRNG->MCTL,
TRNG_MCTL_PRGM_MASK | TRNG_MCTL_ERR_MASK | TRNG_MCTL_RST_DEF_MASK,
TRNG_MCTL_PRGM(1) | TRNG_MCTL_ERR(1) |
TRNG_MCTL_RST_DEF(1)); // reset to default values
SETBITS(TRNG->MCTL, TRNG_MCTL_PRGM_MASK | TRNG_MCTL_ERR_MASK,
TRNG_MCTL_PRGM(0)); // set to run mode
(void) TRNG->ENT[TRNG_ENT_COUNT - 1]; // start new entropy generation
(void) TRNG->ENT[0]; // defect workaround
}
static inline uint32_t rng_read(void) {
static uint8_t idx = 0;
while ((TRNG->MCTL & TRNG_MCTL_ENT_VAL_MASK) == 0) (void) 0;
uint32_t data = TRNG->ENT[idx++]; // read data
idx %= TRNG_ENT_COUNT; // stay within array limits
if (idx == 0) // we've just read TRNG_ENT_COUNT - 1
(void) TRNG->ENT[0]; // defect workaround
return data;
}
// - PHY has no xtal, XI driven from ENET_REF_CLK1 (labeled as ENET_TX_REF_CLK
// (GPIO_AD_B1_10)), generated by the MCU
// - PHY RST connected to GPIO1.9 (GPIO_AD_B0_09); INTRP/NAND_TREE connected to
// GPIO1.10 (GPIO_AD_B0_10)
// - 41.4 REF_CLK1 is RMII mode reference clock for Rx, Tx, and SMI; it is I/O
// - 11.3.2 IOMUXC_GPR_GPR1
// - bit 13: ENET1_CLK_SEL --> 0 ENET1 TX reference clock driven by
// ref_enetpll and output via ENET_REF_CLK1 (labeled as ENET_REF_CLK
// elsewhere)
// - bit 17: ENET1_TX_CLK_DIR --> 1 ENET1_TX_CLK output driver enabled
// - 14.6.1.3.6 Ethernet PLL (PLL6)
// - 14.8.14: configure PLL6 to generate 50MHz clocks for ENET and RMII.
static inline void ethernet_init(void) {
// setup PLL and clock ENET from it
SETBITS(CCM_ANALOG->PLL_ENET, CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC_MASK,
CCM_ANALOG_PLL_ENET_BYPASS_MASK |
CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC(0)); // bypass to 24MHz osc
SETBITS(
CCM_ANALOG->PLL_ENET,
CCM_ANALOG_PLL_ENET_DIV_SELECT_MASK | CCM_ANALOG_PLL_ENET_POWERDOWN_MASK,
CCM_ANALOG_PLL_ENET_DIV_SELECT(1) | CCM_ANALOG_PLL_ENET_ENABLE_MASK);
while ((CCM_ANALOG->PLL_ENET & CCM_ANALOG_PLL_ENET_LOCK_MASK) == 0)
spin(1); // wait until it is stable
CCM_ANALOG->PLL_ENET &= ~CCM_ANALOG_PLL_ENET_BYPASS_MASK;
gpio_init(PIN('1', 9), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_MEDIUM, GPIO_PULL_UP); // set GPIO1.9 as GPIO (PHY \RST)
gpio_write(PIN('1', 9), 0); // reset PHY
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_10,
6); // set for ENET_REF_CLK
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_10] |=
IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_ENET_IPG_CLK_RMII_SELECT_INPUT,
1); // drive peripheral from B1_10, so RMII clock is taken
// from ENET_REF_CLK
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_10, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
IOMUXC_GPR->GPR1 |=
IOMUXC_GPR_GPR1_ENET1_TX_CLK_DIR(1); // Set ENET_TX_CLK as output
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_04, 3); // set for RXDATA0
periph_mux_config(kIOMUXC_ENET0_RXDATA_SELECT_INPUT,
1); // drive peripheral from B1_04
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_04, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_05, 3); // set for RXDATA1
periph_mux_config(kIOMUXC_ENET1_RXDATA_SELECT_INPUT,
1); // drive peripheral from B1_05
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_05, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_06, 3); // set for CRS
periph_mux_config(kIOMUXC_ENET_RXEN_SELECT_INPUT,
1); // drive peripheral from B1_06
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_06, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_07, 3); // set for TXDATA0
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_07, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_08, 3); // set for TXDATA1
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_08, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_09, 3); // set for TXEN
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_09, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_B1_11, 3); // set for RXERR
periph_mux_config(kIOMUXC_ENET_RXERR_SELECT_INPUT,
1); // drive peripheral from B1_11
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_B1_11, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_HIGH, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_EMC_40, 4); // set for MDC
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_EMC_40, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_MEDIUM, GPIO_PULL_UP);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_EMC_41, 4); // set for MDIO
periph_mux_config(kIOMUXC_ENET_MDIO_SELECT_INPUT,
1); // drive peripheral from EMC_41
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_EMC_41, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_MEDIUM, GPIO_PULL_UP);
gpio_init(PIN('1', 10), GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL,
GPIO_SPEED_MEDIUM,
GPIO_PULL_UP); // set GPIO1.10 as GPIO (PHY INTRP/NAND_TREE)
gpio_write(PIN('1', 10), 1); // prevent NAND_TREE
spin(10000); // keep PHY RST low for a while
gpio_write(PIN('1', 9), 1); // deassert RST
gpio_init(PIN('1', 10), GPIO_MODE_INPUT, 0, GPIO_SPEED_MEDIUM,
GPIO_PULL_UP); // setup IRQ (pulled-up)(not used)
clock_periph(1, CCM_CCGR1_CG5_SHIFT, CLOCK_ON_RUN_WAIT); // enet_ipg_clk
NVIC_EnableIRQ(ENET_IRQn); // Setup Ethernet IRQ handler
}
// Helper macro for MAC generation, byte reads not allowed
#define GENERATE_LOCALLY_ADMINISTERED_MAC() \
{ \
2, OCOTP->CFG0 & 255, (OCOTP->CFG0 >> 10) & 255, \
((OCOTP->CFG0 >> 19) ^ (OCOTP->CFG1 >> 19)) & 255, \
(OCOTP->CFG1 >> 10) & 255, OCOTP->CFG1 & 255 \
}
// NOTE: You can fuse your own MAC and read it from OCOTP->MAC0, OCOTP->MAC1,
// OCOTP->MAC2
static inline void flash_init(void) { // QSPI in FlexSPI
// set pins
clock_periph(4, CCM_CCGR4_CG1_SHIFT, CLOCK_ON_RUN_WAIT); // iomuxc_ipg_clk_s
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_05, 1); // set for DQS
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_05] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DQS_SELECT_INPUT, 0); // drive peripheral from B1_05
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_05, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_06, 1); // set for SS
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_06] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_06, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_07, 1); // set for SCLK
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_07] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_SCK_SELECT_INPUT, 0); // drive peripheral from B1_07
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_07, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_08, 1); // set for DATA0
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_08] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DATA0_SELECT_INPUT, 0); // drive peripheral from B1_08
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_08, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_09, 1); // set for DATA1
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_09] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DATA1_SELECT_INPUT, 0); // drive peripheral from B1_09
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_09, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_10, 1); // set for DATA2
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_10] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DATA2_SELECT_INPUT, 0); // drive peripheral from B1_10
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_10, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
gpio_mux_config(kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_11, 1); // set for DATA3
IOMUXC->SW_MUX_CTL_PAD[kIOMUXC_SW_MUX_CTL_PAD_GPIO_SD_B1_11] |= IOMUXC_SW_MUX_CTL_PAD_SION(1); // loop signal back from pin
periph_mux_config(kIOMUXC_FLEXSPIA_DATA3_SELECT_INPUT, 0); // drive peripheral from B1_11
gpio_pad_config(kIOMUXC_SW_PAD_CTL_PAD_GPIO_SD_B1_11, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH, GPIO_PULL_NONE);
// set FlexSPI clock
SETBITS(CCM->CSCMR1, CCM_CSCMR1_FLEXSPI_CLK_SEL_MASK | CCM_CSCMR1_FLEXSPI_PODF_MASK, CCM_CSCMR1_FLEXSPI_CLK_SEL(3) | CCM_CSCMR1_FLEXSPI_PODF(7)); // select PLL3 PFD0 /8
clock_periph(6, CCM_CCGR6_CG5_SHIFT, CLOCK_ON_RUN_WAIT); // enable
}

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ENTRY(Reset_Handler);
MEMORY {
flash_hdr(rx) : ORIGIN = 0x60000000, LENGTH = 8k
flash_irq(rx) : ORIGIN = 0x60002000, LENGTH = 1k
flash_code(rx) : ORIGIN = 0x60002400, LENGTH = 8183k
itcram(rx) : ORIGIN = 0x00000000, LENGTH = 128k
dtcram(rw) : ORIGIN = 0x20000000, LENGTH = 128k
ocram(rw) : ORIGIN = 0x20200000, LENGTH = 256k /* Is this cached ? */
}
__StackTop = ORIGIN(dtcram) + LENGTH(dtcram);
/* TODO(): separate itcram and go back to using dtcram for data and bss when ota is finished */
SECTIONS {
.hdr : { FILL(0xff) ; KEEP(*(.cfg)) . = 0x1000 ; KEEP(*(.ivt)) . = 0x1020 ;
KEEP(*(.dat)) . = 0x1030 ; KEEP(*(.dcd)) . = 0x2000 ;} >flash_hdr
.irq : { KEEP(*(.isr_vector)) } > flash_irq
.text : { *(.text* .text.*) *(.rodata*) ; } > flash_code
.data : { __data_start__ = .; *(.data SORT(.data.*)) *(.iram) __data_end__ = .; } > itcram AT > flash_code
__etext = LOADADDR(.data);
.bss : { __bss_start__ = .; *(.bss SORT(.bss.*) COMMON) __bss_end__ = .; } > itcram
_end = .;
}

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// Copyright (c) 2022-2023 Cesanta Software Limited
// All rights reserved
#include "hal.h"
#include "mongoose.h"
#include "net.h"
#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
static volatile uint64_t s_ticks; // Milliseconds since boot
void SysTick_Handler(void) { // SyStick IRQ handler, triggered every 1ms
s_ticks++;
}
uint64_t mg_millis(void) { // Let Mongoose use our uptime function
return s_ticks; // Return number of milliseconds since boot
}
bool mg_random(void *buf, size_t len) { // Use on-board RNG
for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
uint32_t r = rng_read();
memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
}
return true;
}
static void timer_fn(void *arg) {
gpio_toggle(LED); // Blink LED
struct mg_tcpip_if *ifp = arg; // And show
const char *names[] = {"down", "up", "req", "ready"}; // network stats
MG_INFO(("Ethernet: %s, IP: %M, rx:%u, tx:%u, dr:%u, er:%u",
names[ifp->state], mg_print_ip4, &ifp->ip, ifp->nrecv, ifp->nsent,
ifp->ndrop, ifp->nerr));
}
int main(void) {
gpio_output(LED); // Setup blue LED
uart_init(UART_DEBUG, 115200); // Initialise debug printf
ethernet_init(); // Initialise ethernet pins
MG_INFO(("Starting, CPU freq %g MHz", (double) SystemCoreClock / 1000000));
struct mg_mgr mgr; // Initialise
mg_mgr_init(&mgr); // Mongoose event manager
mg_log_set(MG_LL_DEBUG); // Set log level
// Initialise Mongoose network stack
struct mg_tcpip_driver_imxrt_data driver_data = {.mdc_cr = 24, .phy_addr = 2};
struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
// Uncomment below for static configuration:
// .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
// .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
// .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
.driver = &mg_tcpip_driver_imxrt,
.driver_data = &driver_data};
mg_tcpip_init(&mgr, &mif);
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
MG_INFO(("MAC: %M. Waiting for IP...", mg_print_mac, mif.mac));
while (mif.state != MG_TCPIP_STATE_READY) {
mg_mgr_poll(&mgr, 0);
}
MG_INFO(("Initialising application..."));
web_init(&mgr);
MG_INFO(("Starting event loop"));
for (;;) {
mg_mgr_poll(&mgr, 0);
}
return 0;
}

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../../../mongoose.c

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../../../mongoose.h

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#pragma once
// See https://mongoose.ws/documentation/#build-options
#define MG_ARCH MG_ARCH_NEWLIB
#define MG_OTA MG_OTA_FLASH
#define MG_DEVICE MG_DEVICE_RT1060
#define MG_ENABLE_TCPIP 1
#define MG_ENABLE_DRIVER_IMXRT 1
#define MG_IO_SIZE 256
#define MG_ENABLE_CUSTOM_MILLIS 1
#define MG_ENABLE_CUSTOM_RANDOM 1
#define MG_ENABLE_PACKED_FS 1

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../../device-dashboard/net.c

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../../device-dashboard/net.h

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../../device-dashboard/packed_fs.c

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#include <sys/stat.h>
#include "hal.h"
int _fstat(int fd, struct stat *st) {
if (fd < 0) return -1;
st->st_mode = S_IFCHR;
return 0;
}
void *_sbrk(int incr) {
extern char _end;
static unsigned char *heap = NULL;
unsigned char *prev_heap;
unsigned char x = 0, *heap_end = (unsigned char *)((size_t) &x - 512);
(void) x;
if (heap == NULL) heap = (unsigned char *) &_end;
prev_heap = heap;
if (heap + incr > heap_end) return (void *) -1;
heap += incr;
return prev_heap;
}
int _open(const char *path) {
(void) path;
return -1;
}
int _close(int fd) {
(void) fd;
return -1;
}
int _isatty(int fd) {
(void) fd;
return 1;
}
int _lseek(int fd, int ptr, int dir) {
(void) fd, (void) ptr, (void) dir;
return 0;
}
void _exit(int status) {
(void) status;
for (;;) asm volatile("BKPT #0");
}
void _kill(int pid, int sig) {
(void) pid, (void) sig;
}
int _getpid(void) {
return -1;
}
int _write(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
if (fd == 1) uart_write_buf(UART_DEBUG, ptr, (size_t) len);
return -1;
}
int _read(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
return -1;
}
int _link(const char *a, const char *b) {
(void) a, (void) b;
return -1;
}
int _unlink(const char *a) {
(void) a;
return -1;
}
int _stat(const char *path, struct stat *st) {
(void) path, (void) st;
return -1;
}
int mkdir(const char *path, mode_t mode) {
(void) path, (void) mode;
return -1;
}
void _init(void) {}
extern uint64_t mg_now(void);
int _gettimeofday(struct timeval *tv, void *tz) {
uint64_t now = mg_now();
(void) tz;
tv->tv_sec = (time_t) (now / 1000);
tv->tv_usec = (unsigned long) ((now % 1000) * 1000);
return 0;
}

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// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
//
// This file contains essentials required by the CMSIS:
// uint32_t SystemCoreClock - holds the system core clock value
// SystemInit() - initialises the system, e.g. sets up clocks
#include "hal.h"
uint32_t SystemCoreClock = SYS_FREQUENCY;
// - 14.4, Figure 14-2: clock tree
// - 14.7.4: ARM_PODF defaults to /2; 9.5.3 Table 9-7: ROM agrees
// - 14.7.5: AHB_PODF defaults to /1; IPG_PODF defaults to /4; PERIPH_CLK_SEL
// defaults to derive clock from pre_periph_clk_sel
// - 9.5.3 Table 9-7: ROM changes IPG_PODF to /3
// - 14.7.6: PRE_PERIPH_CLK_SEL defaults to derive clock from divided
// PLL1; 9.5.3 Table 9-7: ROM agrees
// - (For 528MHz operation, we need to set it to derive clock from PLL2)
// - 14.7.7: PER_CLK defaults to IPG/1; 9.5.3 Table 9-7: ROM changes it to IPG/2
// - 14.6.1.3.1 ARM PLL (PLL1); 13.3.2.2 PLLs
// - 14.8.1: PLL1 is powered off and bypassed to 24MHz. Fout = 24MHz *
// div_select/2
// - 9.5.3 Table 9-7: ROM enables this PLL and sets it up
// - For 600MHz operation, we need to set PLL1 on
// - Datasheet 4.1.3: System frequency/Bus frequency max 600/150MHz respectively
// (AHB/IPG)
// - MCUXpresso: IPG_CLK_ROOT <= 150MHz; PERCLK_CLK_ROOT <= 75MHz
// - Datasheet 4.9.4.1.1/2: the processor clock frequency must exceed twice the
// ENET_RX_CLK/ENET_TX_CLK frequency.
// - Datasheet 4.9.4.2: no details for RMII (above is for MII), assumed 50MHz
// min processor clock
// - Datasheet 4.1.3, Table 10: "Overdrive" run mode requires 1.25V core voltage
// minimum; 528 MHz does not.
void SystemInit(void) { // Called automatically by startup code (ints masked)
SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); // Enable FPU
asm("DSB");
asm("ISB");
// 58.4.2: Disable watchdog after reset (unlocked)
RTWDOG->CS &= ~RTWDOG_CS_EN_MASK;
RTWDOG->TOVAL = 0xFFFF;
while (RTWDOG->CS & RTWDOG_CS_ULK_MASK) spin(1); // wait for lock
while ((RTWDOG->CS & RTWDOG_CS_RCS_MASK) == 0)
spin(1); // wait for new config
// Set VDD_SOC to 1.25V
SETBITS(DCDC->REG3, DCDC_REG3_TRG_MASK, DCDC_REG3_TRG(0x12));
while ((DCDC->REG0 & DCDC_REG0_STS_DC_OK_MASK) == 0)
spin(1); // Wait for DCDC_STS_DC_OK
// ROM fiddles with AHB divider, wait and then keep bits at 0 (expected)
while (CCM->CDHIPR & CCM_CDHIPR_AHB_PODF_BUSY_MASK) spin(1);
SETBITS(CCM->CBCDR, CCM_CBCDR_IPG_PODF_MASK | CCM_CBCDR_AHB_PODF_MASK,
CCM_CBCDR_IPG_PODF(3)); // keep AHB, set IPG divider /4 (150MHz)
SETBITS(CCM->CSCMR1, CCM_CSCMR1_PERCLK_PODF_MASK,
CCM_CSCMR1_PERCLK_PODF(1)); // Set PERCLK divider /2 (75MHz)
// Set clock to 600 MHz. Power PLL on and configure divider (ROM boot code
// fiddles with the PLL, bypass first)
CCM_ANALOG->PLL_ARM |= CCM_ANALOG_PLL_ARM_BYPASS_MASK;
SETBITS(CCM_ANALOG->PLL_ARM,
CCM_ANALOG_PLL_ARM_POWERDOWN_MASK |
CCM_ANALOG_PLL_ARM_SET_DIV_SELECT_MASK,
CCM_ANALOG_PLL_ARM_SET_DIV_SELECT(100));
while ((CCM_ANALOG->PLL_ARM & CCM_ANALOG_PLL_ARM_LOCK_MASK) == 0)
spin(1); // wait until it is stable
CCM_ANALOG->PLL_ARM &=
~CCM_ANALOG_PLL_ARM_BYPASS_MASK; // Disable Bypass (switch to PLL)
// 14.5 Table 14-4: uart_clk_root
// 14.4: uart_clk_root = PLL3/6 or OSC; CCM_CSCDR1 (14.7.9) defaults to
// PLL3/6/1; but ROM boot code fiddles with the divider (9.5.3 Table 9-7)
CCM_ANALOG->PLL_USB1 |= CCM_ANALOG_PLL_USB1_POWER_MASK; // Power PLL on
while ((CCM_ANALOG->PLL_USB1 & CCM_ANALOG_PLL_USB1_LOCK_MASK) == 0)
spin(1); // wait until it is stable
CCM_ANALOG->PLL_USB1 &=
~CCM_ANALOG_PLL_USB1_BYPASS_MASK; // Disable Bypass (switch to PLL)
CCM->CSCDR1 &=
~(CCM_CSCDR1_UART_CLK_SEL_MASK | CCM_CSCDR1_UART_CLK_PODF_MASK);
rng_init(); // Initialise random number generator
// NXP startup code calls SystemInit BEFORE initializing RAM...
SysTick_Config(SYS_FREQUENCY / 1000); // Sys tick every 1ms
}