mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
synced 2025-05-05 19:29:25 +08:00
263 lines
7.4 KiB
C
263 lines
7.4 KiB
C
/**
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******************************************************************************
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* @file FreeRTOS/FreeRTOS_ThreadCreation/Src/main.c
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* @author MCD 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) 2017 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 Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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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 "cmsis_os.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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osThreadId LEDThread1Handle, LEDThread2Handle;
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/* Private function prototypes -----------------------------------------------*/
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static void LED_Thread1(void const *argument);
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static void LED_Thread2(void const *argument);
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static void SystemClock_Config(void);
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static void Error_Handler(void);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Main program
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* @param None
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* @retval None
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*/
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int main(void)
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{
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/* STM32F4xx HAL library initialization:
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- Configure the Flash prefetch, instruction and Data caches
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- Configure the Systick to generate an interrupt each 1 msec
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- Set NVIC Group Priority to 4
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- Global MSP (MCU Support Package) initialization
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*/
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HAL_Init();
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/* Configure the system clock to 180 MHz */
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SystemClock_Config();
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/* Configure LED1 and LED3 */
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BSP_LED_Init(LED1);
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BSP_LED_Init(LED3);
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/* Thread 1 definition */
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osThreadDef(LED1, LED_Thread1, osPriorityNormal, 0, configMINIMAL_STACK_SIZE);
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/* Thread 2 definition */
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osThreadDef(LED3, LED_Thread2, osPriorityNormal, 0, configMINIMAL_STACK_SIZE);
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/* Start thread 1 */
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LEDThread1Handle = osThreadCreate (osThread(LED1), NULL);
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/* Start thread 2 */
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LEDThread2Handle = osThreadCreate (osThread(LED3), NULL);
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/* Start scheduler */
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osKernelStart();
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/* We should never get here as control is now taken by the scheduler */
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for(;;);
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}
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/**
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* @brief Toggle LED1 and LED4 thread
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* @param thread not used
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* @retval None
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*/
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static void LED_Thread1(void const *argument)
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{
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uint32_t count = 0;
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(void) argument;
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for(;;)
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{
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count = osKernelSysTick() + 6000;
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/* Toggle LED1 every 200 ms for 6 s */
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while (count > osKernelSysTick())
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{
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BSP_LED_Toggle(LED1);
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osDelay(200);
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}
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/* Turn off LED1 */
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BSP_LED_Off(LED1);
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/* Suspend Thread 1 */
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osThreadSuspend(NULL);
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count = osKernelSysTick() + 6000;
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/* Toggle LED1 every 400 ms for 6 s */
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while (count > osKernelSysTick())
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{
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BSP_LED_Toggle(LED1);
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osDelay(400);
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}
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/* Resume Thread 2*/
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osThreadResume(LEDThread2Handle);
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}
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}
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/**
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* @brief Toggle LED3 thread
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* @param argument not used
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* @retval None
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*/
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static void LED_Thread2(void const *argument)
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{
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uint32_t count;
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(void) argument;
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for(;;)
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{
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count = osKernelSysTick() + 12000;
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/* Toggle LED3 every 500 ms for 12 s */
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while (count > osKernelSysTick())
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{
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BSP_LED_Toggle(LED3);
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osDelay(500);
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}
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/* Turn off LED3 */
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BSP_LED_Off(LED3);
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/* Resume Thread 1 */
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osThreadResume(LEDThread1Handle);
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/* Suspend Thread 2 */
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osThreadSuspend(NULL);
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}
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}
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/**
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* @brief System Clock Configuration
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* The system Clock is configured as follow :
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 180000000
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* HCLK(Hz) = 180000000
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* AHB Prescaler = 1
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* APB1 Prescaler = 4
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* APB2 Prescaler = 2
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 25
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* PLL_N = 360
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* PLL_P = 2
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* PLL_Q = 7
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* PLL_R = 6
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* VDD(V) = 3.3
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* Main regulator output voltage = Scale1 mode
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* Flash Latency(WS) = 5
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* @param None
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* @retval None
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*/
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static void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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HAL_StatusTypeDef ret = HAL_OK;
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/* Enable Power Control clock */
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__HAL_RCC_PWR_CLK_ENABLE();
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/* The voltage scaling allows optimizing the power consumption when the device is
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clocked below the maximum system frequency, to update the voltage scaling value
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regarding system frequency refer to product datasheet. */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/* Enable HSE Oscillator and activate PLL with HSE as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 25;
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RCC_OscInitStruct.PLL.PLLN = 360;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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RCC_OscInitStruct.PLL.PLLR = 6;
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ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
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if(ret != HAL_OK)
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{
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Error_Handler();
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}
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/* Activate the OverDrive to reach the 180 MHz Frequency */
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ret = HAL_PWREx_EnableOverDrive();
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if(ret != HAL_OK)
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{
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Error_Handler();
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}
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
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clocks dividers */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
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ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
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if(ret != HAL_OK)
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{
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Error_Handler();
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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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static void Error_Handler(void)
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{
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/* Turn LED3 on */
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BSP_LED_On(LED3);
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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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ex: 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
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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