freeRTOS / day04
1.新建一个无FreeRTOS的工程，取名为Motor; 根据风扇模块PDF原理图和操作文档让风扇转动
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* © Copyright (c) 2024 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
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7);
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0);
HAL_Delay(5000);
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12;
RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#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 CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
2. 新建一个包含FreeRTOS的工程，取名为Semaphore; 根据信号量的文档先预习信号量的创建步骤和API函数; 完成使用信号量访问共享资源的实验
信号量同步实验代码
/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : freertos.c
* Description : Code for freertos applications
******************************************************************************
* @attention
*
* © Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* 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 "stdio.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* 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 = 128 * 4,
.priority = (osPriority_t) osPriorityNormal,
};
/* Definitions for myTask02 */
osThreadId_t myTask02Handle;
const osThreadAttr_t myTask02_attributes = {
.name = "myTask02",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityLow,
};
/* Definitions for myBinarySem01 */
osSemaphoreId_t myBinarySem01Handle;
const osSemaphoreAttr_t myBinarySem01_attributes = {
.name = "myBinarySem01"
};
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */
/* USER CODE END FunctionPrototypes */
void StartDefaultTask(void *argument);
void StartTask02(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 */
/* Create the semaphores(s) */
/* creation of myBinarySem01 */
myBinarySem01Handle = osSemaphoreNew(1, 1, &myBinarySem01_attributes);
/* 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 myTask02 */
myTask02Handle = osThreadNew(StartTask02, NULL, &myTask02_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(;;)
{
printf("acquire\r\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);
osDelay(1000);
}
/* USER CODE END StartDefaultTask */
}
/* USER CODE BEGIN Header_StartTask02 */
/**
* @brief Function implementing the myTask02 thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartTask02 */
void StartTask02(void *argument)
{
/* USER CODE BEGIN StartTask02 */
/* Infinite loop */
for(;;)
{
printf("release\r\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
osSemaphoreRelease(myBinarySem01Handle);
osDelay(3000);
}
/* USER CODE END StartTask02 */
}
/* Private application code --------------------------------------------------*/
/* USER CODE BEGIN Application */
/* USER CODE END Application */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
信号量互斥实验代码
/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : freertos.c
* Description : Code for freertos applications
******************************************************************************
* @attention
*
* © Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* 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 "stdio.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN Variables */
int share_data = 0;
/* USER CODE END Variables */
/* Definitions for defaultTask */
osThreadId_t defaultTaskHandle;
const osThreadAttr_t defaultTask_attributes = {
.name = "defaultTask",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityNormal,
};
/* Definitions for myTask02 */
osThreadId_t myTask02Handle;
const osThreadAttr_t myTask02_attributes = {
.name = "myTask02",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityLow,
};
/* Definitions for myBinarySem01 */
osSemaphoreId_t myBinarySem01Handle;
const osSemaphoreAttr_t myBinarySem01_attributes = {
.name = "myBinarySem01"
};
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */
/* USER CODE END FunctionPrototypes */
void StartDefaultTask(void *argument);
void StartTask02(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 */
/* Create the semaphores(s) */
/* creation of myBinarySem01 */
myBinarySem01Handle = osSemaphoreNew(1, 1, &myBinarySem01_attributes);
/* 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 myTask02 */
myTask02Handle = osThreadNew(StartTask02, NULL, &myTask02_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(;;)
{
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);//获取信号量
share_data += 2;
printf("taskDefault share_data : %d\r\n", share_data);
printf("\r\n");
osSemaphoreRelease(myBinarySem01Handle);//释放信号量
osDelay(3000);
/*
printf("acquire\r\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);
osDelay(1000);
*/
}
/* USER CODE END StartDefaultTask */
}
/* USER CODE BEGIN Header_StartTask02 */
/**
* @brief Function implementing the myTask02 thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartTask02 */
void StartTask02(void *argument)
{
/* USER CODE BEGIN StartTask02 */
/* Infinite loop */
for(;;)
{
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);//获取信号量
share_data++;
printf("task02 share_data : %d\r\n", share_data);
osSemaphoreRelease(myBinarySem01Handle);//释放信号量
osDelay(2000);
/*
printf("release\r\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
osSemaphoreRelease(myBinarySem01Handle);
osDelay(3000);
*/
}
/* USER CODE END StartTask02 */
}
/* Private application code --------------------------------------------------*/
/* USER CODE BEGIN Application */
/* USER CODE END Application */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
计数型信号量实验代码
/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : freertos.c
* Description : Code for freertos applications
******************************************************************************
* @attention
*
* © Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* 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 "stdio.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN Variables */
int share_data = 0;
/* USER CODE END Variables */
/* Definitions for defaultTask */
osThreadId_t defaultTaskHandle;
const osThreadAttr_t defaultTask_attributes = {
.name = "defaultTask",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityNormal,
};
/* Definitions for myTask02 */
osThreadId_t myTask02Handle;
const osThreadAttr_t myTask02_attributes = {
.name = "myTask02",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityLow,
};
/* Definitions for myBinarySem01 */
osSemaphoreId_t myBinarySem01Handle;
const osSemaphoreAttr_t myBinarySem01_attributes = {
.name = "myBinarySem01"
};
osSemaphoreId_t myCountingSem01Handle;
const osSemaphoreAttr_t myCountingSem01Handle_attributes = {
.name = "myCountingSem01Handle"
};
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */
/* USER CODE END FunctionPrototypes */
void StartDefaultTask(void *argument);
void StartTask02(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 */
/* Create the semaphores(s) */
/* creation of myBinarySem01 */
myBinarySem01Handle = osSemaphoreNew(1, 1, &myBinarySem01_attributes);
myCountingSem01Handle = osSemaphoreNew(10, 10, &myCountingSem01Handle_attributes);
/* 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 myTask02 */
myTask02Handle = osThreadNew(StartTask02, NULL, &myTask02_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(;;)
{
if(osSemaphoreAcquire(myCountingSem01Handle, 0) == osOK)
{
printf("进去一辆车, 剩余空位=%d\r\n",
osSemaphoreGetCount(myCountingSem01Handle));
printf("\r\n");
}
else
{
printf("进停车场失败请等待\r\n");
printf("\r\n");
}
osDelay(2000);
/*
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);//获取信号量
share_data += 2;
printf("taskDefault share_data : %d\r\n", share_data);
printf("\r\n");
osSemaphoreRelease(myBinarySem01Handle);//释放信号量
osDelay(3000);
*/
/*
printf("acquire\r\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);
osDelay(1000);
*/
}
/* USER CODE END StartDefaultTask */
}
/* USER CODE BEGIN Header_StartTask02 */
/**
* @brief Function implementing the myTask02 thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartTask02 */
void StartTask02(void *argument)
{
/* USER CODE BEGIN StartTask02 */
/* Infinite loop */
for(;;)
{
if(osSemaphoreRelease(myCountingSem01Handle) == osOK)
{
printf("出去一辆车, 剩余空位= %d\r\n",
osSemaphoreGetCount(myCountingSem01Handle));
printf("\r\n");
}
else
{
printf("暂时没有车出去\r\n");
printf("\r\n");
}
osDelay(3000);
/*
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);//获取信号量
share_data++;
printf("task02 share_data : %d\r\n", share_data);
osSemaphoreRelease(myBinarySem01Handle);//释放信号量
osDelay(2000);
*/
/*
printf("release\r\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
osSemaphoreRelease(myBinarySem01Handle);
osDelay(3000);
*/
}
/* USER CODE END StartTask02 */
}
/* Private application code --------------------------------------------------*/
/* USER CODE BEGIN Application */
/* USER CODE END Application */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
3. 创建一个FreeRTOS工程，使用一个串口并且开启接收功能，接收到A时在一个任务中让蓝灯每隔1s闪烁一次，接收到B时让黄灯每隔2s闪烁一次，接收到C时让绿灯每隔3s闪烁一次，LED灯闪烁的功能只能在任务中完成
代码
/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : freertos.c
* Description : Code for freertos applications
******************************************************************************
* @attention
*
* © Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* 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 "stdio.h"
#include "usart.h"
#include "tim.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN Variables */
//int share_data = 0;
/* USER CODE END Variables */
/* Definitions for defaultTask */
osThreadId_t defaultTaskHandle;
const osThreadAttr_t defaultTask_attributes = {
.name = "defaultTask",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityNormal,
};
/* Definitions for myTask02 */
osThreadId_t myTask02Handle;
const osThreadAttr_t myTask02_attributes = {
.name = "myTask02",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityLow,
};
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
/* USER CODE END FunctionPrototypes */
void StartDefaultTask(void *argument);
void StartTask02(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 myTask02 */
myTask02Handle = osThreadNew(StartTask02, NULL, &myTask02_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 */
uint8_t RxData;
uint8_t led_blue = GPIO_PIN_1;
uint8_t led_green = GPIO_PIN_0;
uint8_t led_yellow = GPIO_PIN_2;
uint8_t flag_blue = 0;
uint8_t flag_green = 0;
uint8_t flag_yellow = 0;
/* Infinite loop */
for(;;)
{
HAL_UART_Receive(&huart1,&RxData,1,1000);
if(RxData == 'a')
{
//HAL_GPIO_TogglePin(GPIOB, led_blue);
flag_blue = 1;
printf("--a--\r\n");
}
else if(RxData == 'b')
{
printf("--b--\r\n");
flag_yellow = 1;
}
else if(RxData == 'c')
{
printf("--c--\r\n");
flag_green = 1;
}
if(flag_blue == 0)
{
HAL_GPIO_WritePin(GPIOB, led_blue, GPIO_PIN_SET);
}
else
{
HAL_GPIO_TogglePin(GPIOB, led_blue);
}
HAL_Delay(1000);
if(flag_yellow == 0)
{
HAL_GPIO_WritePin(GPIOB, led_yellow, GPIO_PIN_SET);
}
else
{
HAL_GPIO_TogglePin(GPIOB, led_yellow);
}
HAL_Delay(1000);
if(flag_green == 0)
{
HAL_GPIO_WritePin(GPIOB, led_green, GPIO_PIN_SET);
}
else
{
HAL_GPIO_TogglePin(GPIOB, led_green);
}
HAL_Delay(1000);
// printf("test");
// HAL_Delay(2000);
/*
if(osSemaphoreAcquire(myCountingSem01Handle, 0) == osOK)
{
printf("进去一辆车, 剩余空位=%d\r\n",
osSemaphoreGetCount(myCountingSem01Handle));
printf("\r\n");
}
else
{
printf("进停车场失败请等待\r\n");
printf("\r\n");
}
osDelay(2000);
*/
/*
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);//获取信号量
share_data += 2;
printf("taskDefault share_data : %d\r\n", share_data);
printf("\r\n");
osSemaphoreRelease(myBinarySem01Handle);//释放信号量
osDelay(3000);
*/
/*
printf("acquire\r\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);
osDelay(1000);
*/
}
/* USER CODE END StartDefaultTask */
}
/* USER CODE BEGIN Header_StartTask02 */
/**
* @brief Function implementing the myTask02 thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartTask02 */
void StartTask02(void *argument)
{
/* USER CODE BEGIN StartTask02 */
/* Infinite loop */
for(;;)
{
/*
if(osSemaphoreRelease(myCountingSem01Handle) == osOK)
{
printf("出去一辆车, 剩余空位= %d\r\n",
osSemaphoreGetCount(myCountingSem01Handle));
printf("\r\n");
}
else
{
printf("暂时没有车出去\r\n");
printf("\r\n");
}
osDelay(3000);
*/
/*
osSemaphoreAcquire(myBinarySem01Handle, osWaitForever);//获取信号量
share_data++;
printf("task02 share_data : %d\r\n", share_data);
osSemaphoreRelease(myBinarySem01Handle);//释放信号量
osDelay(2000);
*/
/*
printf("release\r\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
osSemaphoreRelease(myBinarySem01Handle);
osDelay(3000);
*/
}
/* USER CODE END StartTask02 */
}
/* Private application code --------------------------------------------------*/
/* USER CODE BEGIN Application */
//uint8_t RxData;
//void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
//{
// printf("HAL_UART_RxCpltCallback\r\n");
// if(huart->Instance == USART1)
// {
// HAL_UART_Receive_IT(&huart1,&RxData,1);
// if(RxData == 'a')
// {
// printf("a recevied\r\n");
// //HAL_TIM_Base_Start_IT(&htim1);
// }
// //if(HAL_TIM_Base_Start_IT(&htim1);//1.打开定时器1)
//
// if(RxData == 'b')
// {
// printf("b recevied\r\n");
//
// }
//
// if(RxData == 'c')
// {
// printf("c recevied\r\n");
//
// }
//
// }
//}
/* USER CODE END Application */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/