mongoose/examples/stm32/nucleo-h563zi-make-baremetal-builtin/main.c
2023-11-30 23:51:34 +00:00

89 lines
3.2 KiB
C

// Copyright (c) 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
}
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 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 green 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
mg_ota_boot(); // Call bootloader: continue to load, or boot another FW
#if MG_OTA == MG_OTA_FLASH
// Demonstrate the use of mg_flash_{load/save} functions for storing device
// configuration data on flash. Increment boot count on every boot.
struct deviceconfig {
uint32_t boot_count;
char some_other_data[40];
};
uint32_t key = 0x12345678; // A unique key, one per data type
struct deviceconfig dc = {}; // Initialise to some default values
mg_flash_load(NULL, key, &dc, sizeof(dc)); // Load from flash
dc.boot_count++; // Increment boot count
mg_flash_save(NULL, key, &dc, sizeof(dc)); // And save back
MG_INFO(("Boot count: %u", dc.boot_count)); // Print boot count
#endif
// Initialise Mongoose network stack
struct mg_tcpip_driver_stm32h_data driver_data = {.mdc_cr = 4};
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_stm32h,
.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;
}