/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2024 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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 "main.h"
#include "cmsis_os.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
#include "stm32f4xx_hal.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 ---------------------------------------------------------*/
IWDG_HandleTypeDef hiwdg;
TIM_HandleTypeDef htim4;
osThreadId_t defaultTaskHandle;
/* USER CODE BEGIN PV */
TaskHandle_t zadatak1handle, zadatak2handle, zadatak3handle;
SemaphoreHandle_t razrjesavacKonflikta1, razrjesavacKonflikta2;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_IWDG_Init(void);
static void MX_TIM4_Init(void);
void StartDefaultTask(void *argument);
/* USER CODE BEGIN PFP */
void zadatak1(void *nekiParam)
{
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0,GPIO_PIN_SET);
for(int i = 0;i<10000000;i++)
{}
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0,GPIO_PIN_RESET);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1,GPIO_PIN_SET);
for(int i = 0;i<10000000;i++)
{}
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1,GPIO_PIN_RESET);
for(;;)
{
//if(xSemaphoreTake(razrjesavacKonflikta1,portMAX_DELAY)==pdTRUE)
//{
//vTaskDelay(100);
//if(xSemaphoreTake(razrjesavacKonflikta2,portMAX_DELAY)==pdTRUE)
//{
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1,GPIO_PIN_SET);
for(int i = 0;i<10000000;i++)
{}
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1,GPIO_PIN_RESET);
// xSemaphoreGive(razrjesavacKonflikta2);
//}
// xSemaphoreGive(razrjesavacKonflikta1);
//}
vTaskDelay(200);
//xTaskNotifyGive(zadatak3handle);
//vTaskResume(zadatak3handle);
//vTaskSuspend(NULL);
}
}
void zadatak2(void *nekiParam)
{
for(;;)
{
//if(xSemaphoreTake(razjesavacKonflikta,portMAX_DELAY)==pdTRUE)
//{
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_3,GPIO_PIN_SET);
for(int i = 0;i<10000000;i++)
{}
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_3,GPIO_PIN_RESET);
//xSemaphoreGive(razjesavacKonflikta);
//}
HAL_IWDG_Refresh(&hiwdg);
vTaskDelay(200);
}
}
void zadatak3(void *nekiParam)
{
for(;;)
{
//if(xSemaphoreTake(razrjesavacKonflikta1,portMAX_DELAY)==pdTRUE)
//{
// vTaskDelay(100);
//if(xSemaphoreTake(razrjesavacKonflikta2,portMAX_DELAY)==pdTRUE)
//{
//ulTaskNotifyTake(pdTRUE,portMAX_DELAY);
taskENTER_CRITICAL();
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5,GPIO_PIN_SET);
for(int i = 0;i<100000000;i++)
{}
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5,GPIO_PIN_RESET);
taskEXIT_CRITICAL();
// xSemaphoreGive(razrjesavacKonflikta2);
//}
//xSemaphoreGive(razrjesavacKonflikta1);
//}
vTaskDelay(200);
//vTaskResume(zadatak1handle);
//vTaskSuspend(NULL);
}
}
void isr_za_EXTI(void *nekiParam)
{
for(int i=GPIO_PIN_1; i<GPIO_PIN_7;i<<=1)
{
HAL_GPIO_WritePin(GPIOA,i,GPIO_PIN_SET);
for(int i = 0;i<1000000;i++)
{}
}
for(int i=GPIO_PIN_1; i<GPIO_PIN_7;i<<=1)
{
HAL_GPIO_WritePin(GPIOA,i,GPIO_PIN_RESET);
for(int i = 0;i<1000000;i++)
{}
}
}
/* 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();
MX_IWDG_Init();
MX_TIM4_Init();
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */
osKernelInitialize();
/* 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) */
/* definition and creation of defaultTask */
const osThreadAttr_t defaultTask_attributes = {
.name = "defaultTask",
.priority = (osPriority_t) osPriorityNormal,
.stack_size = 128
};
defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
/* USER CODE BEGIN RTOS_THREADS */
/* add threads, ... */
razrjesavacKonflikta1 = xSemaphoreCreateMutex();
//razjesavacKonflikta = xSemaphoreCreateBinary();
//razjesavacKonflikta = xSemaphoreCreateCounting(2,2);
xSemaphoreGive(razrjesavacKonflikta1);
razrjesavacKonflikta2 = xSemaphoreCreateMutex();
xSemaphoreGive(razrjesavacKonflikta2);
xTaskCreate(zadatak1,"Zadatak 1",256,NULL,3,&zadatak1handle);
xTaskCreate(zadatak2,"Zadatak 2",256,NULL,2,&zadatak2handle);
xTaskCreate(zadatak3,"Zadatak 3",256,NULL,1,&zadatak3handle);
HAL_TIM_Base_Start_IT(&htim4);
/* 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 System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 100;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 4;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
{
Error_Handler();
}
}
/**
* @brief IWDG Initialization Function
* @param None
* @retval None
*/
static void MX_IWDG_Init(void)
{
/* USER CODE BEGIN IWDG_Init 0 */
/* USER CODE END IWDG_Init 0 */
/* USER CODE BEGIN IWDG_Init 1 */
/* USER CODE END IWDG_Init 1 */
hiwdg.Instance = IWDG;
hiwdg.Init.Prescaler = IWDG_PRESCALER_64;
hiwdg.Init.Reload = 4095;
if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN IWDG_Init 2 */
/* USER CODE END IWDG_Init 2 */
}
/**
* @brief TIM4 Initialization Function
* @param None
* @retval None
*/
static void MX_TIM4_Init(void)
{
/* USER CODE BEGIN TIM4_Init 0 */
/* USER CODE END TIM4_Init 0 */
TIM_MasterConfigTypeDef sMasterConfig = {0};
TIM_OC_InitTypeDef sConfigOC = {0};
/* USER CODE BEGIN TIM4_Init 1 */
/* USER CODE END TIM4_Init 1 */
htim4.Instance = TIM4;
htim4.Init.Prescaler = 49;
htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
htim4.Init.Period = 99;
htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim4.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if (HAL_TIM_OC_Init(&htim4) != HAL_OK)
{
Error_Handler();
}
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)
{
Error_Handler();
}
sConfigOC.OCMode = TIM_OCMODE_TIMING;
sConfigOC.Pulse = 0;
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
if (HAL_TIM_OC_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN TIM4_Init 2 */
/* USER CODE END TIM4_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4
|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_7, GPIO_PIN_RESET);
/*Configure GPIO pins : PA1 PA2 PA3 PA4
PA5 PA6 PA7 */
GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4
|GPIO_PIN_5|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(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pins : PB0 PB1 PB2 PB7 */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|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);
/*Configure GPIO pin : PB12 */
GPIO_InitStruct.Pin = GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI15_10_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);
}
/* USER CODE BEGIN 4 */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
/* Prevent unused argument(s) compilation warning */
if(GPIO_Pin==GPIO_PIN_12)
{
isr_za_EXTI(NULL);
}
UNUSED(GPIO_Pin);
/* NOTE: This function Should not be modified, when the callback is needed,
the HAL_GPIO_EXTI_Callback could be implemented in the user file
*/
}
/* USER CODE END 4 */
/* 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 5 */
/* Infinite loop */
for(;;)
{
osDelay(1);
}
/* USER CODE END 5 */
}
/**
* @brief Period elapsed callback in non blocking mode
* @note This function is called when TIM2 interrupt took place, inside
* HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
* a global variable "uwTick" used as application time base.
* @param htim : TIM handle
* @retval None
*/
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
/* USER CODE BEGIN Callback 0 */
if (htim->Instance == TIM4) {
HAL_GPIO_TogglePin(GPIOB,GPIO_PIN_2);
HAL_GPIO_TogglePin(GPIOB,GPIO_PIN_7);
}
/* USER CODE END Callback 0 */
if (htim->Instance == TIM2) {
HAL_IncTick();
}
/* USER CODE BEGIN Callback 1 */
/* USER CODE END Callback 1 */
}
/**
* @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 */
/* 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,
tex: 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****/