text: /**
    ******************************************************************************
    * @file    TIM/TIM_OCToggle/Src/stm32f4xx_hal_msp.c
    * @author  MCD Application Team
    * @brief   HAL MSP module.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
    *
    * Redistribution and use in source and binary forms, with or without modification,
    * are permitted provided that the following conditions are met:
    *   1. Redistributions of source code must retain the above copyright notice,
    *      this list of conditions and the following disclaimer.
    *   2. Redistributions in binary form must reproduce the above copyright notice,
    *      this list of conditions and the following disclaimer in the documentation
    *      and/or other materials provided with the distribution.
    *   3. Neither the name of STMicroelectronics nor the names of its contributors
    *      may be used to endorse or promote products derived from this software
    *      without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    ******************************************************************************
    */
  
  /* Includes ------------------------------------------------------------------*/
  #include "main.h"
  
  /** @addtogroup STM32F4xx_HAL_Examples
    * @{
    */
  
  /** @defgroup HAL_MSP
    * @brief HAL MSP module.
    * @{
    */
  
  /* Private typedef -----------------------------------------------------------*/
  /* Private define ------------------------------------------------------------*/
  /* Private macro -------------------------------------------------------------*/
  /* Private variables ---------------------------------------------------------*/
  /* Private function prototypes -----------------------------------------------*/
  /* Private functions ---------------------------------------------------------*/
  
  /** @defgroup HAL_MSP_Private_Functions
    * @{
    */
  
  
  /**
    * @brief TIM MSP Initialization 
    *        This function configures the hardware resources used in this example: 
    *           - Peripheral's clock enable
    *           - Peripheral's GPIO Configuration  
    * @param htim: TIM handle pointer
    * @retval None
    */
  void HAL_TIM_OC_MspInit(TIM_HandleTypeDef *htim)
  {
    GPIO_InitTypeDef   GPIO_InitStruct;
    
    
    /*##-1- Enable peripherals and GPIO Clocks #################################*/
    /* TIM3 Peripheral clock enable */
    TIMx_CLK_ENABLE();
      
    /* Enable GPIO Channels Clock */
    TIMx_CHANNEL_GPIO_PORT;
    
    /*##-2- Configure I/Os #####################################################*/
    /* Configure PB.04 (TIM3_Channel1), PB.05 (TIM3_Channel2), PB.00 (TIM3_Channel3),
       PB.01 (TIM3_Channel4) in output, pull-up, alternate function mode
    */
    /* Common configuration for all channels */
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
    
    GPIO_InitStruct.Alternate = TIMx_GPIO_AF_CHANNEL1;
    GPIO_InitStruct.Pin = TIMx_GPIO_PIN_CHANNEL1;
    HAL_GPIO_Init(TIMx_GPIO_PORT_CHANNEL1, &GPIO_InitStruct);
    
    GPIO_InitStruct.Alternate = TIMx_GPIO_AF_CHANNEL2;
    GPIO_InitStruct.Pin = TIMx_GPIO_PIN_CHANNEL2;
    HAL_GPIO_Init(TIMx_GPIO_PORT_CHANNEL2, &GPIO_InitStruct);
    
    GPIO_InitStruct.Alternate = TIMx_GPIO_AF_CHANNEL3;
    GPIO_InitStruct.Pin = TIMx_GPIO_PIN_CHANNEL3;
    HAL_GPIO_Init(TIMx_GPIO_PORT_CHANNEL3, &GPIO_InitStruct);
    
    GPIO_InitStruct.Alternate = TIMx_GPIO_AF_CHANNEL4;
    GPIO_InitStruct.Pin = TIMx_GPIO_PIN_CHANNEL4;
    HAL_GPIO_Init(TIMx_GPIO_PORT_CHANNEL4, &GPIO_InitStruct);
  
    /*##-3- Enable the TIM2 global Interrupt & set priority ####################*/
    HAL_NVIC_SetPriority(TIM3_IRQn, 0, 1);
    HAL_NVIC_EnableIRQ(TIM3_IRQn);
  }
  
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  