85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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// Copyright (c) 2023 Cesanta Software Limited
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// All rights reserved
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#include "hal.h"
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#include "mongoose.h"
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#include "main.h"
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#include "cmsis_os2.h"
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#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
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void mg_random(void *buf, size_t len) { // Use on-board RNG
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extern RNG_HandleTypeDef hrng;
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for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
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uint32_t r;
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HAL_RNG_GenerateRandomNumber(&hrng, &r);
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memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
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}
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}
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static void server(void *args) {
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struct mg_mgr mgr; // Initialise Mongoose event manager
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mg_mgr_init(&mgr); // and attach it to the interface
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mg_log_set(MG_LL_DEBUG); // Set log level
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MG_INFO(("Initialising application..."));
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extern void device_dashboard_fn(struct mg_connection *, int, void *, void *);
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mg_http_listen(&mgr, "http://0.0.0.0", device_dashboard_fn, NULL);
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MG_INFO(("Starting event loop"));
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for (;;) mg_mgr_poll(&mgr, 1000); // Infinite event loop
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(void) args;
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}
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static void blinker(void *args) {
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for (;;) {
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HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7); // Blink On-board blue LED
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osDelay((osKernelGetTickFreq() * BLINK_PERIOD_MS) / 1000U);
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}
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(void) args;
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}
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osThreadId_t s_am;
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// see rl_net_ds.h
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void netDHCP_Notify (uint32_t if_num, uint8_t option, const uint8_t *val, uint32_t len) {
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if (option == NET_DHCP_OPTION_IP_ADDRESS) osThreadFlagsSet(s_am, 1<<0);
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(void)if_num, (void)val, (void)len;
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}
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__NO_RETURN static void app_main (void *args) {
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uint8_t ipaddr[NET_ADDR_IP4_LEN];
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char ip[40];
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netInitialize();
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MG_INFO(("Waiting for IP..."));
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osThreadFlagsWait (1<<0, osFlagsWaitAny, osWaitForever); // wait for DHCP
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osThreadFlagsClear(1<<0);
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netIF_GetOption (NET_IF_CLASS_ETH, netIF_OptionIP4_Address, ipaddr, sizeof(ipaddr));
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netIP_ntoa (NET_ADDR_IP4, ipaddr, ip, sizeof(ip));
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MG_INFO(("READY, IP: %s", ip));
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const osThreadAttr_t server_attr = {
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.stack_size = 8192 // Create the server thread with a stack size of 8KB
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};
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osThreadNew(server, NULL, &server_attr);
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osThreadTerminate(osThreadGetId());
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for(;;);
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(void)args;
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}
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extern void mx_init(void);
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int main(void) {
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mx_init(); // Setup clock and all peripherals configured in CubeMX
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// Initialise random number generator
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// Initialise ethernet pins
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osKernelInitialize(); // Initialize CMSIS-RTOS
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osThreadNew(blinker, NULL, NULL); // Create the blinker thread with a default stack size
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s_am = osThreadNew(app_main, NULL, NULL); // Create the thread that will start networking, use a default stack size
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osKernelStart(); // This blocks
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return 0;
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}
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