mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
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287 lines
9.7 KiB
C
287 lines
9.7 KiB
C
/**
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******************************************************************************
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* @file FreeRTOS/FreeRTOS_Queues/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 International N.V.
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* All rights reserved.</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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#include "stm32469i_eval_io.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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#define blckqSTACK_SIZE configMINIMAL_STACK_SIZE
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#define QUEUE_SIZE (uint32_t) 1
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/* Private variables ---------------------------------------------------------*/
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osMessageQId osQueue;
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uint32_t ProducerValue = 0, ConsumerValue = 0;
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/* Private function prototypes -----------------------------------------------*/
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/* Thread function that creates an incrementing number and posts it on a queue. */
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static void MessageQueueProducer (const void *argument);
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/* Thread function that removes the incrementing number from a queue and checks that
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it is the expected number. */
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static void MessageQueueConsumer (const void *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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/* Create the queue used by the two tasks to pass the incrementing number.
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Pass a pointer to the queue in the parameter structure. */
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osMessageQDef(osqueue, QUEUE_SIZE, uint16_t);
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osQueue = osMessageCreate (osMessageQ(osqueue), NULL);
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/* Note the producer has a lower priority than the consumer when the tasks are
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spawned. */
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osThreadDef(QCons, MessageQueueConsumer, osPriorityBelowNormal, 0, blckqSTACK_SIZE);
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osThreadCreate(osThread(QCons), NULL);
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osThreadDef(QProd, MessageQueueProducer, osPriorityBelowNormal, 0, blckqSTACK_SIZE);
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osThreadCreate(osThread(QProd), 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 Message Queue Producer 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 MessageQueueProducer (const void *argument)
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{
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for(;;)
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{
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if(osMessagePut (osQueue, ProducerValue, 100) != osOK)
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{
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/* Toggle LED3 to indicate error */
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BSP_LED_Toggle(LED3);
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}
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else
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{
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/* Increment the variable we are going to post next time round. The
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consumer will expect the numbers to follow in numerical order. */
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++ProducerValue;
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/* Toggle LED1 to indicate a correct number received */
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BSP_LED_Toggle(LED1);
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osDelay(250);
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}
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}
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}
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/**
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* @brief Message Queue Consumer 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 MessageQueueConsumer (const void *argument)
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{
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osEvent event;
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for(;;)
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{
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/* Get the message from the queue */
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event = osMessageGet(osQueue, 100);
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if(event.status == osEventMessage)
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{
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if(event.value.v != ConsumerValue)
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{
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/* Catch-up. */
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ConsumerValue = event.value.v;
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/* Toggle LED3 to indicate error */
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BSP_LED_Toggle(LED3);
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}
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else
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{
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/* Increment the value we expect to remove from the queue next time
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round. */
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++ConsumerValue;
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}
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}
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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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