102 lines
3.1 KiB
C
102 lines
3.1 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 "ethernetif.h"
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#include "lwip/dhcp.h"
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#include "lwip/netif.h"
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#include "lwip/tcpip.h"
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#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
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extern void xPortSysTickHandler(void);
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void SysTick_Handler (void) {
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HAL_IncTick();
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// xPortSysTickHandler() must be called after vTaskStartScheduler() and mx_init() takes longer than 1ms
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if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED)
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xPortSysTickHandler();
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}
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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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vTaskDelay(pdMS_TO_TICKS(BLINK_PERIOD_MS));
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}
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(void) args;
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}
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static void netw(void *args) {
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struct netif *netif = (struct netif *) args;
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for (;;) {
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ethernetif_check_link(netif);
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ethernetif_poll(netif);
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}
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}
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static void netw_init (struct netif *netif) {
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ip4_addr_t ipaddr, netmask, gw;
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tcpip_init(NULL, NULL);
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ipaddr.addr = IPADDR_ANY; // otherwise, set your static configuration
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netmask.addr = IPADDR_ANY;
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gw.addr = IPADDR_ANY;
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netif_add(netif, &ipaddr, &netmask, &gw, NULL, ðernetif_init, &tcpip_input);
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netif_set_default(netif);
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netif_set_up(netif);
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dhcp_start(netif); // remove for static configuration
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}
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static struct netif s_netif;
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static void app_main (void *args) {
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netw_init(&s_netif);
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xTaskCreate(netw, "netw", 128, &s_netif, configMAX_PRIORITIES - 1, NULL); // Create the Ethernet link/rx thread
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MG_INFO(("Waiting for IP..."));
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while(ip4_addr_isany_val(*netif_ip4_addr(&s_netif)))
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vTaskDelay(pdMS_TO_TICKS(200));
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MG_INFO(("READY, IP: %s", ip4addr_ntoa(netif_ip4_addr(&s_netif))));
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xTaskCreate(server, "server", 2048, 0, configMAX_PRIORITIES - 1, NULL);
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vTaskDelete(NULL);
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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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// Start tasks. NOTE: stack sizes are in 32-bit words
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xTaskCreate(blinker, "blinker", 128, ":)", configMAX_PRIORITIES - 1, NULL);
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xTaskCreate(app_main, "app_main", 128, 0, configMAX_PRIORITIES - 1, NULL);
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vTaskStartScheduler(); // This blocks
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return 0;
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}
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