/** ****************************************************************************** * @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 "queue.h" #include "event_groups.h" /* Private define ------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ TaskHandle_t Task1Handler; TaskHandle_t Task2Handler; /* Private user code ---------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ #define NOTIFY_SEMAPHORE 1 #define NOTIFY_EVENTGROUPS 0 #define NOTIFY_MESSAGE 0 #define EVENTBIT_0 (1<<0) #define EVENTBIT_1 (1<<1) /* Private function prototypes -----------------------------------------------*/ static void APP_SystemClockConfig(void); static void Task1(void *pvParamters); static void Task2(void *pvParamters); /** * @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 the tasks that are created using the original xTaskCreate() API function. */ xTaskCreate( Task1, "Task1", 128, NULL, 1, &Task1Handler ); xTaskCreate( Task2, "Task2", 128, NULL, 2, &Task2Handler ); /* Start the scheduler. */ vTaskStartScheduler(); } /** * @brief Task notification simulates releasing semaphore, sending event flag bits, and sending messages. Send or release data stored in "pxTCB->ulNotifiedValue[ uxIndexToNotify ]" * @param *pvParamters: The parameters passed to the task function when the task is created * @retval None */ static void Task1(void *pvParamters) { static uint8_t CountValue = 0; while (1) { #if(NOTIFY_SEMAPHORE) { /* If CountValue = 10,prepare give a semaphore to Task2 */ if(CountValue == 10) { /* Give a semaphore to Task2,semaphore value add 1 */ xTaskNotifyGive(Task2Handler); printf("Task1: semaphore give success\r\n"); } CountValue ++; /* If CountValue = 11,set CountValue = 0 */ if(CountValue ==11) { CountValue = 0; } /* vTaskDelay(100): Blocking delay,Task1 goes into a blocked state after invocation */ vTaskDelay(100); } #elif(NOTIFY_EVENTGROUPS) { /* If CountValue = 10,send event flag bit(EVENTBIT_0) to Task2 */ if(CountValue == 10) { printf("Task1: Bit0 set 1\r\n"); /* Write assgin bit 1.pxTCB->ulNotifiedValue[ uxIndexToNotify ] |= EVENTBIT_0 */ xTaskNotify(Task2Handler, EVENTBIT_0, eSetBits); } /* If CountValue = 20,send event flag bit(EVENTBIT_1) to Task2 */ else if(CountValue == 20) { printf("Task1: Bit1 set 1\r\n"); /* Write assgin bit 1.pxTCB->ulNotifiedValue[ uxIndexToNotify ] |= EVENTBIT_1 */ xTaskNotify(Task2Handler, EVENTBIT_1, eSetBits); } CountValue ++; /* If CountValue = 21,set CountValue = 0 */ if(CountValue ==21) { CountValue = 0; } /* vTaskDelay(100): Blocking delay,Task1 goes into a blocked state after invocation */ vTaskDelay(100); } #elif(NOTIFY_MESSAGE) { /* If CountValue = 10,send message to Task2 */ if(CountValue == 10) { /* Write a byte.pxTCB->ulNotifiedValue[ uxIndexToNotify ] = CountValue */ /* eSetValueWithOverwrite: Overwrite the way to update notification values*/ xTaskNotify(Task2Handler, CountValue, eSetValueWithOverwrite); printf("Task1: message send success\r\n"); } /* If CountValue = 20,send message to Task2 */ else if(CountValue == 20) { /* Write a byte.pxTCB->ulNotifiedValue[ uxIndexToNotify ] = CountValue */ /* eSetValueWithOverwrite: Overwrite the way to update notification values*/ xTaskNotify(Task2Handler, CountValue, eSetValueWithOverwrite); printf("Task1: message send success\r\n"); } CountValue ++; /* If CountValue = 21,set CountValue = 0 */ if(CountValue ==21) { CountValue = 0; } /* vTaskDelay(100): Blocking delay,Task1 goes into a blocked state after invocation */ vTaskDelay(100); } #else { } #endif } } /** * @brief Task notify simulute receive semaphore、event group、message * @param *pvParamters: The parameters passed to the task function when the task is created * @retval None */ static void Task2(void *pvParamters) { while(1) { #if(NOTIFY_SEMAPHORE) uint32_t RevValue = 0; { /* Take notification value. */ /* pdTURE: simulate binary semaphore. */ /* RevValue = ulTaskNotifyTake(pdTRUE, portMAX_DELAY); */ /* pdFALSE: simulate count semaphore. */ /* portMAX_DELAY: don't get the data you want, keep waiting, task enters the blocked state. */ RevValue = ulTaskNotifyTake(pdFALSE, portMAX_DELAY); if(RevValue != 0) { printf("Task2: rev_value = %d\r\n",(unsigned int) RevValue); } /* vTaskDelay(2000): Blocking delay,Task2 goes into a blocked state after invocation */ vTaskDelay(2000); /* this line use count semaphore; */ } #elif(NOTIFY_EVENTGROUPS) uint32_t NotifyValue = 0; { /* Get NotifyValue from pxTCB->ulNotifiedValue[uxIndexToNotify].Then set pxTCB->ulNotifiedValue[uxIndexToNotify] = 0 */ /* portMAX_DELAY: don't get the data you want, keep waiting, task enters the blocked state. */ xTaskNotifyWait(0, 0xFFFFFFFF, &NotifyValue, portMAX_DELAY); /* If NotifyValue != 0,output EventBit. */ if(NotifyValue & (EVENTBIT_0 | EVENTBIT_1)) { printf("Task2: NotifyValue = %d\r\n",(unsigned int)NotifyValue); NotifyValue = 0; } } #elif(NOTIFY_MESSAGE) uint32_t NotifyValue = 0; { /* Read abyte.NotifyValue = pxTCB->ulNotifiedValue[uxIndexToNotify].Then set pxTCB->ulNotifiedValue[uxIndexToNotify] = 0 */ /* portMAX_DELAY: don't get the data you want, keep waiting, task enters the blocked state. */ xTaskNotifyWait(0, 0xFFFFFFFF, &NotifyValue, portMAX_DELAY); printf("Task2: notify_value = %d\r\n", (unsigned int)NotifyValue); } #else { } #endif } } /** * @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******************/