#include "FreeRTOS.h"
#include "task.h"
#include "cmsis_os.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 ---------------------------------------------------------*/
osThreadId redTaskHandle;
osThreadId yellowTaskHandle;
osThreadId greenTaskHandle;
osSemaphoreId redSemHandle;
osSemaphoreId yellowSemHandle;
osSemaphoreId greenSemHandle;
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
void StartRedTask(void const * argument);
void YellowTask(void const * argument);
void GreenTask(void const * argument);
/* 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
*/
void loop(){
}
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 */
/* USER CODE BEGIN RTOS_MUTEX */
/* add mutexes, ... */
/* USER CODE END RTOS_MUTEX */
/* Create the semaphores(s) */
/* definition and creation of redSem */
osSemaphoreDef(redSem);
redSemHandle = osSemaphoreCreate(osSemaphore(redSem), 1);
/* definition and creation of yellowSem */
osSemaphoreDef(yellowSem);
yellowSemHandle = osSemaphoreCreate(osSemaphore(yellowSem), 1);
/* definition and creation of greenSem */
osSemaphoreDef(greenSem);
greenSemHandle = osSemaphoreCreate(osSemaphore(greenSem), 1);
/* 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) */
/* definition and creation of redTask */
osThreadDef(redTask, StartRedTask, osPriorityNormal, 0, 128);
redTaskHandle = osThreadCreate(osThread(redTask), NULL);
/* definition and creation of yellowTask */
osThreadDef(yellowTask, YellowTask, osPriorityNormal, 0, 128);
yellowTaskHandle = osThreadCreate(osThread(yellowTask), NULL);
/* definition and creation of greenTask */
osThreadDef(greenTask, GreenTask, osPriorityNormal, 0, 128);
greenTaskHandle = osThreadCreate(osThread(greenTask), NULL);
/* USER CODE BEGIN RTOS_THREADS */
/* add threads, ... */
/* USER CODE END RTOS_THREADS */
/* Start scheduler */
osKernelStart();
/* We should never get here as control is now taken by the scheduler */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA,GPIO_PIN_10, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_RESET);
/*Configure GPIO pins : PA2 PA3 */
GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF1_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pin : PA10 */
GPIO_InitStruct.Pin = GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_13;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/*Configure GPIO pins : PB6 PB7 */
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/* USER CODE BEGIN Header_StartRedTask */
/**
* @brief Function implementing the redTask thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartRedTask */
void StartRedTask(void const * argument)
{
/* USER CODE BEGIN 5 */
/* Infinite loop */
for(;;)
{
while(HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_13)==GPIO_PIN_RESET);
printf("it's the THIRD task\n");
osDelay(3000);
printf("THE END\n");
/*printf("red light\n");
osSemaphoreWait(redSemHandle,osWaitForever);
printf("red light : semaphore acquired\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_7,GPIO_PIN_SET);
osDelay(3000);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_7,GPIO_PIN_RESET);
osDelay(200);
osSemaphoreRelease(redSemHandle);
printf("red light : semaphore released\n");*/
}
/* USER CODE END 5 */
}
/* USER CODE BEGIN Header_YellowTask */
/**
* @brief Function implementing the yellowTask thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_YellowTask */
void YellowTask(void const * argument)
{
/* USER CODE BEGIN YellowTask */
/* Infinite loop */
for(;;)
{
while(HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_13)==GPIO_PIN_RESET);
printf("it's the LAST task\n");
osDelay(3000);
printf("THE END\n");
/*printf("orange light\n");
osSemaphoreWait(redSemHandle,osWaitForever);
printf("orange light : semaphore acquired\n");
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6,GPIO_PIN_SET);
osDelay(3000);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6,GPIO_PIN_RESET);
osDelay(200);
osSemaphoreRelease(redSemHandle);
printf("orange light : semaphore released\n");*/
}
/* USER CODE END YellowTask */
}
/* USER CODE BEGIN Header_GreenTask */
/**
* @brief Function implementing the greenTask thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_GreenTask */
void GreenTask(void const * argument)
{
/* USER CODE BEGIN GreenTask */
/* Infinite loop */
for(;;)
{
while(HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_13)==GPIO_PIN_RESET);
printf("it's the first task\n");
osDelay(3000);
printf("THE END\n");
/*printf("it's green light\n");
osSemaphoreWait(redSemHandle,osWaitForever);
printf("green light : semaphore acquired\n");
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_10,GPIO_PIN_SET);
osDelay(3000);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_10,GPIO_PIN_RESET);
osDelay(200);
osSemaphoreRelease(redSemHandle);
printf("green light : semaphore released\n");*/
}
/* USER CODE END GreenTask */
}