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