V20_board/Core/Src/gpio.c

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/**
  ******************************************************************************
  * @file    gpio.c
  * @brief   This file provides code for the configuration
  *          of all used GPIO pins.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2026 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.
  *
  ******************************************************************************
  */
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/* Includes ------------------------------------------------------------------*/
#include "gpio.h"

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/*----------------------------------------------------------------------------*/
/* Configure GPIO                                                             */
/*----------------------------------------------------------------------------*/
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/** Configure pins
     PH0-OSC_IN(PH0)   ------> RCC_OSC_IN
     PH1-OSC_OUT(PH1)   ------> RCC_OSC_OUT
     PA13(JTMS/SWDIO)   ------> DEBUG_JTMS-SWDIO
     PA14(JTCK/SWCLK)   ------> DEBUG_JTCK-SWCLK
*/
void MX_GPIO_Init(void)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOH_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOB, LED_R_Pin|LED_G_Pin|LED_B_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(PWM_EN_GPIO_Port, PWM_EN_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOB, PD_SCK1_Pin|PD_SCK2_Pin|PD_SCK3_Pin, GPIO_PIN_SET);

  /*Configure GPIO pins : LED_R_Pin LED_G_Pin LED_B_Pin */
  GPIO_InitStruct.Pin = LED_R_Pin|LED_G_Pin|LED_B_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 pin : PWM_EN_Pin */
  GPIO_InitStruct.Pin = PWM_EN_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(PWM_EN_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : DOUT1_Pin */
  GPIO_InitStruct.Pin = DOUT1_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(DOUT1_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pins : PD_SCK1_Pin PD_SCK2_Pin PD_SCK3_Pin */
  GPIO_InitStruct.Pin = PD_SCK1_Pin|PD_SCK2_Pin|PD_SCK3_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /*Configure GPIO pins : DOUT2_Pin DOUT3_Pin */
  GPIO_InitStruct.Pin = DOUT2_Pin|DOUT3_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}

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