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/**
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******************************************************************************
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* @file main.c
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* @author MCU Application Team
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* @brief Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2023 Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by Puya under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "FreeRTOS.h"
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#include "task.h"
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#include "semphr.h"
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/* Private define ------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Create Semaphore */
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QueueHandle_t BinarySemphoreHandle;
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QueueHandle_t CountSemphoreHandle;
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QueueHandle_t MutexSemphoreHandle;
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/* Private user code ---------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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#define COUNT_MAX 50
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#define COUNT_INITIAL 0
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#define SEMAPHORE_BINRAY 1
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#define SEMAPHORE_COUNT 0
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#define SEMAPHORE_MUTEX 0
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/* Private function prototypes -----------------------------------------------*/
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static void APP_SystemClockConfig(void);
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static void Task1(void *pvParamters);
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static void Task2(void *pvParamters);
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static void Task3(void *pvParamters);
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static void SemaphoreCreate(void);
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/**
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* @brief Main program.
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* @retval int
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*/
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int main(void)
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{
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/* Reset of all peripherals, Initializes the Systick */
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HAL_Init();
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/* System clock configuration */
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APP_SystemClockConfig();
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/* Initialize UART */
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BSP_USART_Config();
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/* Create semaphore */
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SemaphoreCreate();
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/* Create the tasks that are created using the original xTaskCreate() API function. */
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xTaskCreate( Task1, "Task1", 128, NULL, 1, NULL );
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xTaskCreate( Task2, "Task2", 128, NULL, 2, NULL );
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xTaskCreate( Task3, "Task3", 128, NULL, 3, NULL );
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/* Start the scheduler. */
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vTaskStartScheduler();
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}
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/**
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* @brief Give binary/Count semaphore and Give/Take mutex semaphore
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* @param *pvParamters: The parameters passed to the task function when the task is created
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* @retval None
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*/
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static void Task1(void *pvParamters)
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{
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while (1)
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{
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#if (SEMAPHORE_BINRAY)
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static uint8_t CountValue = 0;
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BaseType_t Err = 0;
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{
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/* If CountValue = 10,prepare give binary semaphore */
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if(CountValue == 10)
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{
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/* Check BinarySemphoreHandle */
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if(BinarySemphoreHandle != NULL)
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{
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/* Give binary semaphore,return a value to Err */
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Err = xSemaphoreGive(BinarySemphoreHandle);
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/* Err = pdPASS,give success. */
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if(Err == pdPASS)
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{
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printf("Task1: binary semphore give success!\r\n");
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}
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/* Err = pdFAULT,give fail. */
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else
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{
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printf("Task1: binary semphore give fail! binary semphore = 1\r\n");
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}
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}
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}
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CountValue++;
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if(CountValue == 11)
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{
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/* If CountValue = 11,set CountValue = 0 */
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CountValue = 0;
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}
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/* vTaskDelay(200): Blocking delay,Task1 goes into a blocked state after invocation */
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vTaskDelay(200);
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}
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#elif (SEMAPHORE_COUNT)
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static uint8_t CountValue = 0;
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BaseType_t Err = 0;
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{
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/* If CountValue = 10,prepare send count semaphore */
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if(CountValue == 10)
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{
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/* Check CountSemphoreHandle */
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if(CountSemphoreHandle != NULL)
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{
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/* Give count semaphore,return a value to Err */
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Err = xSemaphoreGive(CountSemphoreHandle);
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/* Err = pdPASS,give success. */
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if(Err == pdPASS)
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{
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printf("Task1: count semphore send success!\r\n");
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}
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/* Err = pdFAULT,give fail,queue is full. */
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else
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{
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printf("Task1: count semphore send fail! count semphore = %d \r\n",COUNT_MAX);
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}
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}
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}
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CountValue++;
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/* If CountValue = 11,set CountValue = 0 */
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if(CountValue == 11)
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{
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CountValue = 0;
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}
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/* vTaskDelay(200): Blocking delay,Task1 goes into a blocked state after invocation */
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vTaskDelay(200);
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}
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#elif (SEMAPHORE_MUTEX)
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{
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printf("Task1: low task take semaphore!\r\n");
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/* Take mutex semaphore. portMAX_DELAY: don't get the data you want, keep waiting, task enters the blocked state. */
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xSemaphoreTake(MutexSemphoreHandle, portMAX_DELAY);
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printf("Task1: low task is running!\r\n");
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HAL_Delay(3000);
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printf("Task1: low task give semaphore!\r\n");
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/* Give mutex semaphore. */
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xSemaphoreGive(MutexSemphoreHandle);
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/* vTaskDelay(1000): Blocking delay,Task1 goes into a blocked state after invocation */
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vTaskDelay(1000);
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}
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#else
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{
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printf("Task1: task_flag falult!");
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}
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#endif
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}
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}
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/**
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* @brief Take binary/Count semaphore and give/take mutex semaphore
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* @param *pvParamters: The parameters passed to the task function when the task is created
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* @retval None
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*/
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static void Task2(void *pvParamters)
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{
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while(1)
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{
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#if (SEMAPHORE_BINRAY)
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BaseType_t Err = 0;
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{
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/* Take binary semaphore,return a value to Err. portMAX_DELAY: don't get the data you want, keep waiting, task enters the blocked state. */
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Err = xSemaphoreTake(BinarySemphoreHandle, portMAX_DELAY);
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/* Err = pdTRUE,take success. */
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if(Err == pdTRUE)
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{
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printf("Task2: binary semphore take success!\r\n");
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}
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}
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#elif (SEMAPHORE_COUNT)
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BaseType_t Err = 0;
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{
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/* Take count semaphore,return a value to Err. portMAX_DELAY: don't get the data you want, keep waiting, task enters the blocked state. */
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Err = xSemaphoreTake(CountSemphoreHandle, portMAX_DELAY);
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/* Err = pdTRUE,take success. */
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if(Err == pdTRUE)
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{
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/* Use uxSemaphoreGetCount() output count semaphore value */
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printf("Task2: count semphore = %d\r\n",(int)uxSemaphoreGetCount(CountSemphoreHandle));
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}
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/* vTaskDelay(1000): Blocking delay,Task2 goes into a blocked state after invocation */
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vTaskDelay(1000);
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}
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#elif (SEMAPHORE_MUTEX)
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{
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printf("Task2: middle task is running!\r\n");
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}
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/* vTaskDelay(1000): Blocking delay,Task2 goes into a blocked state after invocation */
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vTaskDelay(1000);
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#else
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{
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printf("Task2: Error Unknown Semapore!");
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}
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#endif
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}
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}
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/**
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* @brief Give/Take mutex semaphore
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* @param *pvParamters: The parameters passed to the task function when the task is created
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* @retval None
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*/
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static void Task3(void *pvParamters)
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{
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while(1)
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{
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#if (SEMAPHORE_MUTEX)
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{
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printf("Task3: high task get semaphore!\r\n");
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/* Take mutex semaphore. */
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/* portMAX_DELAY: don't get the data you want, keep waiting, task enters the blocked state. */
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xSemaphoreTake(MutexSemphoreHandle, portMAX_DELAY);
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printf("Task3: high task is running!\r\n");
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HAL_Delay(500);
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printf("Task3: high task release semaphore!\r\n");
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/* Give mutex semaphore. */
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xSemaphoreGive(MutexSemphoreHandle);
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/* vTaskDelay(1000): Blocking delay,Task3 goes into a blocked state after invocation */
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vTaskDelay(1000);
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}
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#else
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{
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printf("Task3 underuse, delete!\r\n");
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/* Delet Task3 */
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vTaskDelete(NULL);
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}
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#endif
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}
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}
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/**
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* @brief Create binary/count/mutex emaphore
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* @param None
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* @retval None
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*/
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static void SemaphoreCreate(void)
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{
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/* Create binary semaphore,return value to BinarySemphoreHandle */
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BinarySemphoreHandle = xSemaphoreCreateBinary();
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/* If BinarySemphoreHandle != NULL, binary semaphore create success. */
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if(BinarySemphoreHandle != NULL)
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{
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printf("binary semaphore create success!\r\n");
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}
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/* If BinarySemphoreHandle == NULL, binary semaphore create fail */
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else
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{
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printf("binary semaphore create fail!\r\n");
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}
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/* Create count semaphore,return value to CountSemphoreHandle */
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CountSemphoreHandle = xSemaphoreCreateCounting(COUNT_MAX, COUNT_INITIAL);
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/* If CountSemphoreHandle != NULL,count semaphore create success */
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if(CountSemphoreHandle != NULL)
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{
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printf("count semaphore create success!\r\n");
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}
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/* If CountSemphoreHandle != NULL,count semaphore create fail */
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else
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{
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printf("count semaphore create fail!\r\n");
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}
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/* Create mutex semaphore,return value to MutexSemphoreHandle */
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MutexSemphoreHandle = xSemaphoreCreateMutex();
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/* If MutexSemphoreHandle != NULL,mutex semaphore create success */
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if(MutexSemphoreHandle != NULL)
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{
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printf("mutex semaphore create success!\r\n");
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}
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/* If MutexSemphoreHandle != NULL,mutex semaphore create fail */
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else
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{
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printf("mutex semaphore create fail!\r\n");
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}
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}
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/**
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* @brief System clock configuration function
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* @param None
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* @retval None
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*/
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static void APP_SystemClockConfig(void)
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{
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RCC_OscInitTypeDef OscInitstruct = {0};
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RCC_ClkInitTypeDef ClkInitstruct = {0};
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OscInitstruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE |
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RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSI48M;
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OscInitstruct.HSEState = RCC_HSE_OFF; /* Disable HSE */
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/* OscInitstruct.HSEFreq = RCC_HSE_16_32MHz; */ /* HSE working frequency range: 16M~32M */
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OscInitstruct.HSI48MState = RCC_HSI48M_OFF; /* Disable HSI48M */
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OscInitstruct.HSIState = RCC_HSI_ON; /* Enable HSI */
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OscInitstruct.LSEState = RCC_LSE_OFF; /* Disable LSE */
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/* OscInitstruct.LSEDriver = RCC_LSEDRIVE_HIGH; */ /* Drive capability level: High */
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OscInitstruct.LSIState = RCC_LSI_OFF; /* Disable LSI */
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OscInitstruct.PLL.PLLState = RCC_PLL_OFF; /* Disable PLL */
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/* OscInitstruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; */ /* PLL clock source: HSE */
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/* OscInitstruct.PLL.PLLMUL = RCC_PLL_MUL6; */ /* PLL multiplication factor: 6 */
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/* Configure Oscillators */
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if(HAL_RCC_OscConfig(&OscInitstruct) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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ClkInitstruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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ClkInitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; /* System clock source: HSI */
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ClkInitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* AHB clock 1 division */
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ClkInitstruct.APB1CLKDivider = RCC_HCLK_DIV1; /* APB1 clock 1 division */
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ClkInitstruct.APB2CLKDivider = RCC_HCLK_DIV2; /* APB2 clock 2 division */
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/* Configure Clocks */
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if(HAL_RCC_ClockConfig(&ClkInitstruct, FLASH_LATENCY_0) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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}
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/**
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* @brief This function is executed in case of error occurrence.
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* @param None
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* @retval None
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*/
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void APP_ErrorHandler(void)
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{
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/* Infinite loop */
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while (1)
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{
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}
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file：pointer to the source file name
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* @param line：assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* User can add his own implementation to report the file name and line number,
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for example: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
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