mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
synced 2025-05-01 22:17:30 +08:00
462 lines
14 KiB
C
462 lines
14 KiB
C
/**
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******************************************************************************
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* @file TIM/TIM_6Steps/Src/main.c
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* @author MCD Application Team
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* @brief This example shows how to use TIM1 peripheral to generate 6 Steps.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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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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/** @addtogroup STM32F4xx_HAL_Examples
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* @{
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*/
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/** @addtogroup TIM_6Steps
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* @{
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*/
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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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/* Step Index */
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__IO uint32_t uwStep = 0;
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/* Timer handler declaration */
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TIM_HandleTypeDef TimHandle;
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/* Timer Output Compare Configuration Structure declaration */
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TIM_OC_InitTypeDef sPWMConfig1, sPWMConfig2, sPWMConfig3;
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/* Timer Break Configuration Structure declaration */
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TIM_BreakDeadTimeConfigTypeDef sBreakConfig;
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/* Authorize TIM COM event generation */
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__IO uint32_t uwAuthorizeTimComEvent = 0;
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/* Private function prototypes -----------------------------------------------*/
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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
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- Systick timer is configured by default as source of time base, but user
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can eventually implement his proper time base source (a general purpose
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timer for example or other time source), keeping in mind that Time base
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duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
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handled in milliseconds basis.
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- Set NVIC Group Priority to 4
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- Low Level 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 LED3 */
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BSP_LED_Init(LED3);
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/*##-1- Configure the TIM peripheral #######################################*/
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/* ---------------------------------------------------------------------------
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TIM1 input clock (TIM1CLK) is set to 2 * APB2 clock (PCLK2), since APB2
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prescaler is different from 1.
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TIM1CLK = 2 * PCLK2
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PCLK1 = HCLK / 2
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=> TIM1CLK = HCLK = SystemCoreClock
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--------------------------------------------------------------------------- */
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/* Initialize TIMx peripheral as follow:
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+ Prescaler = 0
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+ Period = 4095
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+ ClockDivision = 0
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+ Counter direction = Up
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*/
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TimHandle.Instance = TIM1;
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TimHandle.Init.Period = 4095;
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TimHandle.Init.Prescaler = 0;
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TimHandle.Init.ClockDivision = 0;
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TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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TimHandle.Init.RepetitionCounter = 0;
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TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK)
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{
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/* Initialization Error */
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Error_Handler();
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}
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/*##-2- Configure the output channels ######################################*/
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/* Common configuration for all channels */
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sPWMConfig1.OCMode = TIM_OCMODE_TIMING;
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sPWMConfig1.OCPolarity = TIM_OCPOLARITY_HIGH;
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sPWMConfig1.OCNPolarity = TIM_OCNPOLARITY_HIGH;
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sPWMConfig1.OCIdleState = TIM_OCIDLESTATE_SET;
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sPWMConfig1.OCNIdleState = TIM_OCNIDLESTATE_SET;
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sPWMConfig1.OCFastMode = TIM_OCFAST_DISABLE;
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/* Set the pulse value for channel 1 */
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sPWMConfig1.Pulse = 2047;
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if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sPWMConfig1, TIM_CHANNEL_1) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/* Set the pulse value for channel 2 */
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sPWMConfig2 = sPWMConfig1;
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sPWMConfig2.Pulse = 1023;
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if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sPWMConfig2, TIM_CHANNEL_2) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/* Set the pulse value for channel 3 */
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sPWMConfig3 = sPWMConfig1;
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sPWMConfig3.Pulse = 511;
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if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sPWMConfig3, TIM_CHANNEL_3) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/*##-3- Configure the Break stage ##########################################*/
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sBreakConfig.OffStateRunMode = TIM_OSSR_ENABLE;
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sBreakConfig.OffStateIDLEMode = TIM_OSSI_ENABLE;
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sBreakConfig.LockLevel = TIM_LOCKLEVEL_OFF;
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sBreakConfig.BreakState = TIM_BREAK_ENABLE;
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sBreakConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
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sBreakConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_ENABLE;
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sBreakConfig.DeadTime = 1;
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if(HAL_TIMEx_ConfigBreakDeadTime(&TimHandle, &sBreakConfig) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/*##-4- Configure the commutation event: software event ####################*/
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HAL_TIMEx_ConfigCommutationEvent_IT(&TimHandle, TIM_TS_NONE, TIM_COMMUTATION_SOFTWARE);
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/*##-5- Start signals generation ###########################################*/
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/*--------------------------------------------------------------------------*/
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/* Start channel 1 */
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if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
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{
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/* Starting Error */
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Error_Handler();
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}
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/* Start channel 1N */
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if(HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
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{
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/* Starting Error */
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Error_Handler();
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}
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/*--------------------------------------------------------------------------*/
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/*--------------------------------------------------------------------------*/
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/* Start channel 2 */
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if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
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{
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/* Starting Error */
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Error_Handler();
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}
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/* Start channel 2N */
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if(HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
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{
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/* Starting Error */
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Error_Handler();
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}
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/*--------------------------------------------------------------------------*/
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/*--------------------------------------------------------------------------*/
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/* Start channel 3 */
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if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
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{
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/* Starting Error */
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Error_Handler();
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}
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/* Start channel 3N */
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if(HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
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{
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/* Starting Error */
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Error_Handler();
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}
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/* Authorize TIM COM event generation */
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uwAuthorizeTimComEvent = 1;
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while (1)
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{
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}
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}
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/**
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* @brief Commutation event callback in non blocking mode
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* @param htim : Timer handle
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* @retval None
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*/
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void HAL_TIMEx_CommutationCallback(TIM_HandleTypeDef *htim)
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{
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/* Entry state */
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if (uwStep == 0)
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{
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/* Next step: Step 1 Configuration -------------------------------------- */
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sPWMConfig1.OCMode = TIM_OCMODE_PWM1;
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HAL_TIM_PWM_ConfigChannel(&TimHandle, &sPWMConfig1, TIM_CHANNEL_1);
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HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_1);
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HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_1);
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/* Channel3 configuration */
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sPWMConfig3.OCMode = TIM_OCMODE_PWM1;
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HAL_TIM_PWM_ConfigChannel(&TimHandle, &sPWMConfig3, TIM_CHANNEL_3);
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HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_3);
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HAL_TIM_PWM_Stop(&TimHandle, TIM_CHANNEL_3);
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/* Channel2 configuration */
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HAL_TIM_OC_Stop(&TimHandle, TIM_CHANNEL_2);
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HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_2);
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uwStep = 1;
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}
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if (uwStep == 1)
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{
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/* Next step: Step 2 Configuration -------------------------------------- */
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/* Channel1 configuration */
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/* Same configuration as the previous step */
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/* Channel2 configuration */
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sPWMConfig2.OCMode = TIM_OCMODE_PWM1;
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HAL_TIM_PWM_ConfigChannel(&TimHandle, &sPWMConfig2, TIM_CHANNEL_2);
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HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_2);
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/* Channel3 configuration */
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HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_3);
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uwStep++;
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}
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else if (uwStep == 2)
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{
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/* Next step: Step 3 Configuration -------------------------------------- */
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/* Channel2 configuration */
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/* Same configuration as the previous step */
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/* Channel3 configuration */
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sPWMConfig3.OCMode = TIM_OCMODE_PWM1;
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HAL_TIM_PWM_ConfigChannel(&TimHandle, &sPWMConfig3, TIM_CHANNEL_3);
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HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_3);
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/* Channel1 configuration */
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HAL_TIM_OC_Stop(&TimHandle, TIM_CHANNEL_1);
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uwStep++;
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}
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else if (uwStep == 3)
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{
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/* Next step: Step 4 Configuration -------------------------------------- */
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/* Channel3 configuration */
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/* Same configuration as the previous step */
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/* Channel2 configuration */
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HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_2);
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/* Channel1 configuration */
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sPWMConfig1.OCMode = TIM_OCMODE_PWM1;
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HAL_TIM_PWM_ConfigChannel(&TimHandle, &sPWMConfig1, TIM_CHANNEL_1);
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HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_1);
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uwStep++;
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}
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else if (uwStep == 4)
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{
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/* Next step: Step 5 Configuration -------------------------------------- */
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/* Channel3 configuration */
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HAL_TIM_OC_Stop(&TimHandle, TIM_CHANNEL_3);
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/* Channel1 configuration */
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/* Same configuration as the previous step */
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/* Channel2 configuration */
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sPWMConfig2.OCMode = TIM_OCMODE_PWM1;
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HAL_TIM_PWM_ConfigChannel(&TimHandle, &sPWMConfig2, TIM_CHANNEL_2);
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HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_2);
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uwStep++;
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}
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else if (uwStep == 5)
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{
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/* Next step: Step 6 Configuration -------------------------------------- */
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/* Channel3 configuration */
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sPWMConfig3.OCMode = TIM_OCMODE_PWM1;
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HAL_TIM_PWM_ConfigChannel(&TimHandle, &sPWMConfig3, TIM_CHANNEL_3);
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HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_3);
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/* Channel1 configuration */
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HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_1);
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/* Channel2 configuration */
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/* Same configuration as the previous step */
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uwStep++;
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}
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else
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{
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/* Next step: Step 1 Configuration -------------------------------------- */
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/* Channel1 configuration */
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sPWMConfig1.OCMode = TIM_OCMODE_PWM1;
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HAL_TIM_PWM_ConfigChannel(&TimHandle, &sPWMConfig1, TIM_CHANNEL_1);
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HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_1);
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/* Channel3 configuration */
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/* Same configuration as the previous step */
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/* Channel2 configuration */
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HAL_TIM_OC_Stop(&TimHandle, TIM_CHANNEL_2);
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uwStep = 1;
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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) = 8000000
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* PLL_M = 8
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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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* 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 = 8;
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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 = 2;
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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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while(1) { ; }
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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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while(1) { ; }
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}
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 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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while(1) { ; }
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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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/**
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* @}
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*/
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/**
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* @}
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*/
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