// Copyright (c) 2023 Cesanta Software Limited // All rights reserved #include "hal.h" #include "mongoose.h" #include "main.h" #include "net.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 extern void xPortSysTickHandler(void); void SysTick_Handler (void) { HAL_IncTick(); // xPortSysTickHandler() must be called after vTaskStartScheduler() and mx_init() takes longer than 1ms if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) xPortSysTickHandler(); } 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 vTaskDelay(pdMS_TO_TICKS(BLINK_PERIOD_MS)); } (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, ðernetif_init, &tcpip_input); netif_set_default(netif); netif_set_up(netif); dhcp_start(netif); // remove for static configuration } static struct netif s_netif; static void app_main (void *args) { netw_init(&s_netif); xTaskCreate(netw, "netw", 128, &s_netif, configMAX_PRIORITIES - 1, NULL); // Create the Ethernet link/rx thread MG_INFO(("Waiting for IP...")); while(ip4_addr_isany_val(*netif_ip4_addr(&s_netif))) vTaskDelay(pdMS_TO_TICKS(200)); MG_INFO(("READY, IP: %s", ip4addr_ntoa(netif_ip4_addr(&s_netif)))); xTaskCreate(server, "server", 2048, 0, configMAX_PRIORITIES - 1, NULL); vTaskDelete(NULL); (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 // Start tasks. NOTE: stack sizes are in 32-bit words xTaskCreate(blinker, "blinker", 128, ":)", configMAX_PRIORITIES - 1, NULL); xTaskCreate(app_main, "app_main", 128, 0, configMAX_PRIORITIES - 1, NULL); vTaskStartScheduler(); // This blocks return 0; }