stm-os-sampler/Core/Src/freertos.c

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * File Name          : freertos.c
  * Description        : Code for freertos applications
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2026 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "FreeRTOS.h"
#include "task.h"
#include "main.h"
#include "cmsis_os.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

#include "usart.h"


/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
//Port для изирнета

#define RX_BUFFER_SIZE 1


#define PING 0x22

#define PONG 0x55

/**
 * Массив для хранения посылки
 */

uint8_t rxBuffer[RX_BUFFER_SIZE];     // Буфер для приёма
uint8_t txByte;

/**
 * rx_index нужен как глобальная переменная из-за использования его в счётчике байтов,
 * в Huart1Handler, чтобы он хранил в себе число, так как он обновляется при каждом
 * вызове HAL_UART_Receive_IT
 */

uint16_t rxIndex = 0;     // Индекс в буфере приёма


/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN Variables */

/* USER CODE END Variables */
/* Definitions for defaultTask */
osThreadId_t defaultTaskHandle;
const osThreadAttr_t defaultTask_attributes = {
  .name = "defaultTask",
  .stack_size = 256 * 4,
  .priority = (osPriority_t) osPriorityNormal,
};
/* Definitions for myLed */
osThreadId_t myLedHandle;
const osThreadAttr_t myLed_attributes = {
  .name = "myLed",
  .stack_size = 256 * 4,
  .priority = (osPriority_t) osPriorityNormal,
};
/* Definitions for myUART */
osThreadId_t myUARTHandle;
const osThreadAttr_t myUART_attributes = {
  .name = "myUART",
  .stack_size = 256 * 4,
  .priority = (osPriority_t) osPriorityNormal,
};

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */

/* USER CODE END FunctionPrototypes */

void StartDefaultTask(void *argument);
void StartLedTask(void *argument);
void StartUARTTask(void *argument);

void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */

/**
  * @brief  FreeRTOS initialization
  * @param  None
  * @retval None
  */
void MX_FREERTOS_Init(void) {
  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* USER CODE BEGIN RTOS_MUTEX */
  /* add mutexes, ... */
  /* USER CODE END RTOS_MUTEX */

  /* USER CODE BEGIN RTOS_SEMAPHORES */
  /* add semaphores, ... */
  /* USER CODE END RTOS_SEMAPHORES */

  /* USER CODE BEGIN RTOS_TIMERS */
  /* start timers, add new ones, ... */
  /* USER CODE END RTOS_TIMERS */

  /* USER CODE BEGIN RTOS_QUEUES */
  /* add queues, ... */
  /* USER CODE END RTOS_QUEUES */

  /* Create the thread(s) */
  /* creation of defaultTask */
  defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);

  /* creation of myLed */
  myLedHandle = osThreadNew(StartLedTask, NULL, &myLed_attributes);

  /* creation of myUART */
  myUARTHandle = osThreadNew(StartUARTTask, NULL, &myUART_attributes);

  /* USER CODE BEGIN RTOS_THREADS */
  /* add threads, ... */
  /* USER CODE END RTOS_THREADS */

  /* USER CODE BEGIN RTOS_EVENTS */
  /* add events, ... */
  /* USER CODE END RTOS_EVENTS */

}

/* USER CODE BEGIN Header_StartDefaultTask */
/**
  * @brief  Function implementing the defaultTask thread.
  * @param  argument: Not used
  * @retval None
  */
/* USER CODE END Header_StartDefaultTask */
void StartDefaultTask(void *argument)
{
  /* USER CODE BEGIN StartDefaultTask */
  /* Infinite loop */
  for(;;)
  {
	  osDelay(100);
  }
  /* USER CODE END StartDefaultTask */
}

/* USER CODE BEGIN Header_StartLedTask */
/**
* @brief Function implementing the myLedHandle thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartLedTask */
void StartLedTask(void *argument)
{
  /* USER CODE BEGIN StartLedTask */
  /* Infinite loop */
  for(;;)
  {
		ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
		for (int i = 0; i < 3; i++) {
			HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_14);
			HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7);
		    osDelay(100);
		}

  }
  /* USER CODE END StartLedTask */
}

/* USER CODE BEGIN Header_StartUARTTask */
/**
* @brief Function implementing the myUARTHandle thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartUARTTask */
void StartUARTTask(void *argument)
{
  /* USER CODE BEGIN StartUARTTask */
	HAL_UART_Receive_IT(&huart3, rxBuffer, RX_BUFFER_SIZE);
  /* Infinite loop */
  for(;;)
  {
		ulTaskNotifyTake(pdTRUE, portMAX_DELAY);

		if (rxBuffer[0] == PING) {
		  xTaskNotifyGive(myLedHandle);
		  txByte = PONG;
		    HAL_UART_Transmit_IT(&huart2, &txByte, 1);

		  rxBuffer[0] = 0x00;
		}
		HAL_UART_Receive_IT(&huart3, rxBuffer, RX_BUFFER_SIZE);
		osDelay(1);

  }
  /* USER CODE END StartUARTTask */
}

/* Private application code --------------------------------------------------*/
/* USER CODE BEGIN Application */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
  if(huart == &huart3)
  {
      BaseType_t xHigherPriorityTaskWoken = pdFALSE;
      xTaskNotifyFromISR(myUARTHandle, 0, eNoAction, &xHigherPriorityTaskWoken);
      portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
  }
}


/* USER CODE END Application */