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/**
******************************************************************************
* @file FreeRTOS/FreeRTOS_ThreadCreation/Src/main.c
* @author MCD Application Team
* @brief Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "cmsis_os.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
osThreadId LEDThread1Handle, LEDThread2Handle;
/* Private function prototypes -----------------------------------------------*/
static void LED_Thread1(void const *argument);
static void LED_Thread2(void const *argument);
static void SystemClock_Config(void);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure LED3 and LED4 */
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Thread 1 definition */
osThreadDef(LED3, LED_Thread1, osPriorityNormal, 0, configMINIMAL_STACK_SIZE);
/* Thread 2 definition */
osThreadDef(LED4, LED_Thread2, osPriorityNormal, 0, configMINIMAL_STACK_SIZE);
/* Start thread 1 */
LEDThread1Handle = osThreadCreate (osThread(LED3), NULL);
/* Start thread 2 */
LEDThread2Handle = osThreadCreate (osThread(LED4), NULL);
/* Start scheduler */
osKernelStart();
/* We should never get here as control is now taken by the scheduler */
for(;;);
}
/**
* @brief Toggle LED3 and LED4 thread
* @param thread not used
* @retval None
*/
static void LED_Thread1(void const *argument)
{
uint32_t count = 0;
(void) argument;
for(;;)
{
count = osKernelSysTick() + 5000;
/* Toggle LED3 every 200 ms for 5 s */
while (count >= osKernelSysTick())
{
BSP_LED_Toggle(LED3);
osDelay(200);
}
/* Turn off LED3 */
BSP_LED_Off(LED3);
/* Suspend Thread 1 */
osThreadSuspend(NULL);
count = osKernelSysTick() + 5000;
/* Toggle LED3 every 400 ms for 5 s */
while (count >= osKernelSysTick())
{
BSP_LED_Toggle(LED3);
osDelay(400);
}
/* Resume Thread 2 */
osThreadResume(LEDThread2Handle);
}
}
/**
* @brief Toggle LED4 thread
* @param argument not used
* @retval None
*/
static void LED_Thread2(void const *argument)
{
uint32_t count;
(void) argument;
for(;;)
{
count = osKernelSysTick() + 10000;
/* Toggle LED4 every 500 ms for 10 s */
while (count >= osKernelSysTick())
{
BSP_LED_Toggle(LED4);
osDelay(500);
}
/* Turn off LED4 */
BSP_LED_Off(LED4);
/* Resume Thread 1 */
osThreadResume(LEDThread1Handle);
/* Suspend Thread 2 */
osThreadSuspend(NULL);
}
}
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 180000000
* HCLK(Hz) = 180000000
* AHB Prescaler = 1
* APB1 Prescaler = 4
* APB2 Prescaler = 2
* HSE Frequency(Hz) = 8000000
* PLL_M = 8
* PLL_N = 360
* PLL_P = 2
* PLL_Q = 7
* VDD(V) = 3.3
* Main regulator output voltage = Scale1 mode
* Flash Latency(WS) = 5
* @param None
* @retval None
*/
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
/* Enable Power Control clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* The voltage scaling allows optimizing the power consumption when the device is
clocked below the maximum system frequency, to update the voltage scaling value
regarding system frequency refer to product datasheet. */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/* Enable HSE Oscillator and activate PLL with HSE as source */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Activate the Over-Drive mode */
HAL_PWREx_EnableOverDrive();
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
clocks dividers */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
}
#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 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) */
/* Infinite loop */
while (1)
{
}
}
#endif
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