mongoose/examples/stm32/nucleo-f746zg-keil-baremetal/main.c
2024-09-02 11:06:10 -03:00

74 lines
2.5 KiB
C

// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
#include "hal.h"
#include "main.h"
#include "mongoose.h"
#include "net.h"
#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
uint64_t mg_millis(void) { // Let Mongoose use our uptime function
return (uint64_t) HAL_GetTick(); // Return number of milliseconds since boot
}
bool mg_random(void *buf, size_t len) { // Use on-board RNG
extern RNG_HandleTypeDef hrng;
for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
uint32_t r;
HAL_RNG_GenerateRandomNumber(&hrng, &r);
memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
}
return true;
}
static void timer_fn(void *arg) {
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7); // Blink On-board blue 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));
}
extern void mx_init(void);
int main(void) {
mx_init(); // Setup clock and all peripherals configured in CubeMX
// Initialise random number generator
// Initialise ethernet pins
test_init(); // for internal testing purposes only
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_stm32f_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_stm32f,
.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;
}