mongoose/examples/stm32/nucleo-f746zg-keil-rtx-mdk/main.c
2023-05-29 11:44:59 -03:00

84 lines
2.8 KiB
C

// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
#include "hal.h"
#include "mongoose.h"
#include "main.h"
#include "net.h"
#include "cmsis_os.h"
#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
void 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));
}
}
static void server(const 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(const void *args) {
for (;;) {
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7); // Blink On-board blue LED
osDelay(BLINK_PERIOD_MS); // CMSIS-RTOS v1 uses milliseconds
}
(void) args;
}
osThreadDef(server, osPriorityNormal, 1, 8192); // Create the server thread with a stack size of 8KB
osThreadId s_am;
// see rl_net_ds.h
void netDHCP_Notify (uint32_t if_num, uint8_t option, const uint8_t *val, uint32_t len) {
if (option == NET_DHCP_OPTION_IP_ADDRESS) osSignalSet(s_am, 1<<0);
(void)if_num, (void)val, (void)len;
}
static void app_main (const void *args) {
uint8_t ipaddr[NET_ADDR_IP4_LEN];
char ip[40];
netInitialize();
MG_INFO(("Waiting for IP..."));
osSignalWait(1<<0, osWaitForever); // wait for DHCP
osSignalClear(s_am, 1<<0);
netIF_GetOption (NET_IF_CLASS_ETH, netIF_OptionIP4_Address, ipaddr, sizeof(ipaddr));
netIP_ntoa (NET_ADDR_IP4, ipaddr, ip, sizeof(ip));
MG_INFO(("READY, IP: %s", ip));
osThreadCreate(osThread(server), NULL); // Create the server thread
osThreadTerminate(osThreadGetId());
for(;;);
(void)args;
}
osThreadDef(blinker, osPriorityNormal, 1, 0); // Create the blinker thread with default stack size
osThreadDef(app_main, osPriorityNormal, 1, 1024); // Create the thread that will start networking with a stack size of 1KB
extern void mx_init(void);
int main(void) { // this is not actually baremetal main() but the "main" thread
osKernelInitialize(); // Stop kernel
mx_init(); // Setup clock and all peripherals configured in CubeMX
// Initialise random number generator
// Initialise ethernet pins
osThreadCreate(osThread(blinker), NULL); // Create the blinker thread
s_am = osThreadCreate(osThread(app_main), NULL); // Create the network start thread
osKernelStart(); // Start kernel again and exit main thread
return 0;
}