text: /**
    ******************************************************************************
    * File Name          : gpio.c
    * Description        : This file provides code for the configuration
    *                      of all used GPIO pins.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
    * All rights reserved.</center></h2>
    *
    * This software component is licensed by ST under BSD 3-Clause license,
    * the "License"; You may not use this file except in compliance with the
    * License. You may obtain a copy of the License at:
    *                        opensource.org/licenses/BSD-3-Clause
    *
    ******************************************************************************
    */
  
  /* Includes ------------------------------------------------------------------*/
  #include "gpio.h"
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  /*----------------------------------------------------------------------------*/
  /* Configure GPIO                                                             */
  /*----------------------------------------------------------------------------*/
  /* USER CODE BEGIN 1 */
  
  /* USER CODE END 1 */
  
  /** Configure pins as 
          * Analog 
          * Input 
          * Output
          * EVENT_OUT
          * EXTI
       PB6   ------> I2C1_SCL
       PB7   ------> I2C1_SDA
  */
  void MX_GPIO_Init(void)
  {
  
    GPIO_InitTypeDef GPIO_InitStruct = {0};
  
    /* GPIO Ports Clock Enable */
    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
  
    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(SPI2_CS_GPIO_Port, SPI2_CS_Pin, GPIO_PIN_RESET);
  
    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(GPIOA, DC_Pin|RES_Pin, GPIO_PIN_RESET);
  
    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(GPIOB, LCDEN_Pin|VDDSHT_Pin, GPIO_PIN_SET);
  
    /*Configure GPIO pins : PBPin PBPin PBPin */
    GPIO_InitStruct.Pin = SPI2_CS_Pin|LCDEN_Pin|VDDSHT_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  
    /*Configure GPIO pins : PAPin PAPin */
    GPIO_InitStruct.Pin = DC_Pin|RES_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
    /*Configure GPIO pin : PtPin */
    GPIO_InitStruct.Pin = BUSY_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    HAL_GPIO_Init(BUSY_GPIO_Port, &GPIO_InitStruct);
  
    /*Configure GPIO pins : PB6 PB7 */
    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  
  }
  
  /* USER CODE BEGIN 2 */
  
  /* USER CODE END 2 */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  