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https://github.com/cesanta/mongoose.git
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107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
// 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 "net.h"
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#include "main.h"
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extern RNG_HandleTypeDef hrng;
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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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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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web_init(&mgr);
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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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// https://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_Networking_Tutorial_Initialising_TCP.html
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void vApplicationIPNetworkEventHook(eIPCallbackEvent_t ev) {
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static bool mongoose_started = false;
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MG_INFO(("FreeRTOS-Plus-TCP net event: %d", ev));
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if (ev == eNetworkUp && mongoose_started == false) {
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uint32_t ip = FreeRTOS_GetIPAddress();
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MG_INFO(("READY, IP: %M", mg_print_ip4, &ip));
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xTaskCreate(server, "server", 2048, 0, configMAX_PRIORITIES - 1, NULL);
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mongoose_started = true;
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}
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}
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extern void mx_init(void);
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struct hwaddr { uint8_t macaddr[6]; };
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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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uint8_t macaddr[6] = GENERATE_LOCALLY_ADMINISTERED_MAC();
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// required for fallback if DHCP fails
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static const uint8_t ipaddr[4] = {192, 168, 0, 77};
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static const uint8_t netmask[4] = {255, 255, 255, 0};
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static const uint8_t dnsaddr[4] = {8, 8, 8, 8};
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static const uint8_t gwaddr[4] = {192, 168, 0, 1};
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FreeRTOS_IPInit(ipaddr, netmask, gwaddr, dnsaddr, macaddr);
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MG_INFO(("MAC: %M. Waiting for IP...", mg_print_mac, macaddr));
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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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vTaskStartScheduler(); // This blocks
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return 0;
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}
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// Hooks for FreeRTOS-Plus-TCP network interface
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#include "stm32f7xx_hal_conf.h"
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#include "stm32fxx_hal_eth.h"
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void HAL_ETH_MspInit(ETH_HandleTypeDef *heth) {
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if (heth->Instance == ETH) {
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HAL_NVIC_SetPriority(ETH_IRQn, ipconfigMAC_INTERRUPT_PRIORITY, 0);
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HAL_NVIC_EnableIRQ(ETH_IRQn);
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__HAL_RCC_ETH_CLK_ENABLE();
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}
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}
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uint32_t ulApplicationGetNextSequenceNumber(uint32_t a, uint16_t b, uint32_t c,
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uint16_t d) {
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(void) a, (void) b, (void) c, (void) d;
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uint32_t x;
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HAL_RNG_GenerateRandomNumber(&hrng, &x);
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return x;
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}
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BaseType_t xApplicationGetRandomNumber(uint32_t *p) {
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HAL_RNG_GenerateRandomNumber(&hrng, p);
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return pdTRUE;
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}
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