2023-08-08 17:16:15 -03:00

102 lines
3.0 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_os2.h"
#include "ethernetif.h"
#include "lwip/dhcp.h"
#include "lwip/netif.h"
#include "lwip/tcpip.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(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) {
for (;;) {
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7); // Blink On-board blue LED
osDelay((osKernelGetTickFreq() * BLINK_PERIOD_MS) / 1000U);
}
(void) args;
}
static void netw(void *args) {
struct netif *netif = (struct netif *) args;
for (;;) {
ethernetif_check_link(netif);
ethernetif_poll(netif);
}
}
static void netw_init (struct netif *netif) {
ip4_addr_t ipaddr, netmask, gw;
tcpip_init(NULL, NULL);
ipaddr.addr = IPADDR_ANY; // otherwise, set your static configuration
netmask.addr = IPADDR_ANY;
gw.addr = IPADDR_ANY;
netif_add(netif, &ipaddr, &netmask, &gw, NULL, &ethernetif_init, &tcpip_input);
netif_set_default(netif);
netif_set_up(netif);
dhcp_start(netif); // remove for static configuration
}
static struct netif s_netif;
__NO_RETURN static void app_main (void *args) {
netw_init(&s_netif);
osThreadNew(netw, &s_netif, NULL); // Create the Ethernet link/rx thread with a default stack size
MG_INFO(("Waiting for IP..."));
while(ip4_addr_isany_val(*netif_ip4_addr(&s_netif)))
osDelay((osKernelGetTickFreq() * 200U) / 1000U);
MG_INFO(("READY, IP: %s", ip4addr_ntoa(netif_ip4_addr(&s_netif))));
const osThreadAttr_t server_attr = {
.stack_size = 8192 // Create the server thread with a stack size of 8KB
};
osThreadNew(server, NULL, &server_attr);
osThreadTerminate(osThreadGetId());
for(;;);
(void)args;
}
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
osKernelInitialize(); // Initialize CMSIS-RTOS
osThreadNew(blinker, NULL, NULL); // Create the blinker thread with a default stack size
osThreadNew(app_main, NULL, NULL); // Create the thread that will start networking, use a default stack size
osKernelStart(); // This blocks
return 0;
}