mirror of
https://github.com/cesanta/mongoose.git
synced 2024-12-30 13:08:02 +08:00
120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
// Copyright (c) 2023 Cesanta Software Limited
|
|
// All rights reserved
|
|
|
|
#include "hal.h"
|
|
#include "mongoose.h"
|
|
#include "net.h"
|
|
|
|
#define LED1 PIN('B', 0) // On-board LED pin (green)
|
|
#define LED2 PIN('B', 7) // On-board LED pin (blue)
|
|
#define LED3 PIN('B', 14) // On-board LED pin (red)
|
|
|
|
#define LED LED2 // Use blue LED for blinking
|
|
#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
|
|
|
|
uint32_t ticks; // serve a tick counter for HAL functions
|
|
extern void xPortSysTickHandler(void);
|
|
void SysTick_Handler(void) {
|
|
// serve ticks for HAL functions, is simpler
|
|
++ticks;
|
|
// xPortSysTickHandler() must be called after vTaskStartScheduler(),
|
|
// initialization is fast and in practice this check is not needed
|
|
if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED)
|
|
xPortSysTickHandler();
|
|
}
|
|
|
|
void 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));
|
|
}
|
|
}
|
|
|
|
static void ethernet_init(void) {
|
|
// Initialise Ethernet. Enable MAC GPIO pins, see
|
|
// https://www.farnell.com/datasheets/2014265.pdf section 6.10
|
|
uint16_t pins[] = {PIN('A', 1), PIN('A', 2), PIN('A', 7),
|
|
PIN('B', 13), PIN('C', 1), PIN('C', 4),
|
|
PIN('C', 5), PIN('G', 11), PIN('G', 13)};
|
|
for (size_t i = 0; i < sizeof(pins) / sizeof(pins[0]); i++) {
|
|
gpio_init(pins[i], GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_INSANE,
|
|
GPIO_PULL_NONE, 11); // 11 is the Ethernet function
|
|
}
|
|
NVIC_SetPriority(ETH_IRQn, ipconfigMAC_INTERRUPT_PRIORITY);
|
|
NVIC_EnableIRQ(ETH_IRQn); // Setup Ethernet IRQ handler
|
|
SYSCFG->PMC |= SYSCFG_PMC_MII_RMII_SEL; // Use RMII. Goes first!
|
|
RCC->AHB1ENR |=
|
|
RCC_AHB1ENR_ETHMACEN | RCC_AHB1ENR_ETHMACTXEN | RCC_AHB1ENR_ETHMACRXEN;
|
|
}
|
|
|
|
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, 1000); // Infinite event loop
|
|
(void) args;
|
|
}
|
|
|
|
static void blinker(void *args) {
|
|
gpio_init(LED, GPIO_MODE_OUTPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_MEDIUM,
|
|
GPIO_PULL_NONE, 0);
|
|
for (;;) {
|
|
gpio_toggle(LED);
|
|
vTaskDelay(pdMS_TO_TICKS(BLINK_PERIOD_MS));
|
|
}
|
|
(void) args;
|
|
}
|
|
|
|
// https://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_Networking_Tutorial_Initialising_TCP.html
|
|
void vApplicationIPNetworkEventHook(eIPCallbackEvent_t ev) {
|
|
static bool mongoose_started = false;
|
|
MG_INFO(("FreeRTOS-Plus-TCP net event: %d", ev));
|
|
if (ev == eNetworkUp && mongoose_started == false) {
|
|
uint32_t ip = FreeRTOS_GetIPAddress();
|
|
MG_INFO(("READY, IP: %M", mg_print_ip4, &ip));
|
|
xTaskCreate(server, "server", 2048, 0, configMAX_PRIORITIES - 1, NULL);
|
|
mongoose_started = true;
|
|
}
|
|
}
|
|
|
|
int main(void) {
|
|
uart_init(UART_DEBUG, 115200); // Initialise UART
|
|
|
|
uint8_t macaddr[6] = GENERATE_LOCALLY_ADMINISTERED_MAC();
|
|
// required for fallback if DHCP fails
|
|
static const uint8_t ipaddr[4] = {192, 168, 0, 77};
|
|
static const uint8_t netmask[4] = {255, 255, 255, 0};
|
|
static const uint8_t dnsaddr[4] = {8, 8, 8, 8};
|
|
static const uint8_t gwaddr[4] = {192, 168, 0, 1};
|
|
FreeRTOS_IPInit(ipaddr, netmask, gwaddr, dnsaddr, macaddr);
|
|
MG_INFO(("MAC: %M. Waiting for IP...", mg_print_mac, macaddr));
|
|
|
|
// Start tasks. NOTE: stack sizes are in 32-bit words
|
|
xTaskCreate(blinker, "blinker", 128, ":)", configMAX_PRIORITIES - 1, NULL);
|
|
|
|
vTaskStartScheduler(); // This blocks
|
|
return 0;
|
|
}
|
|
|
|
// Hooks for FreeRTOS-Plus-TCP network interface
|
|
#include "stm32fxx_hal_eth.h"
|
|
void HAL_ETH_MspInit(ETH_HandleTypeDef *heth) {
|
|
if (heth->Instance == ETH) ethernet_init();
|
|
}
|
|
|
|
uint32_t ulApplicationGetNextSequenceNumber(uint32_t a, uint16_t b, uint32_t c,
|
|
uint16_t d) {
|
|
(void) a, (void) b, (void) c, (void) d;
|
|
return rng_read();
|
|
}
|
|
|
|
BaseType_t xApplicationGetRandomNumber(uint32_t *p) {
|
|
*p = rng_read();
|
|
return pdTRUE;
|
|
}
|