/** ****************************************************************************** * @file main.c * @author MCU Application Team * @brief Main program body ****************************************************************************** * @attention * *

© Copyright (c) 2023 Puya Semiconductor Co. * All rights reserved.

* * This software component is licensed by Puya under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** * @attention * *

© Copyright (c) 2016 STMicroelectronics. * All rights reserved.

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