87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/**
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******************************************************************************
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* File Name : gpio.c
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* Description : This file provides code for the configuration
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* of all used GPIO pins.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2020 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "gpio.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/*----------------------------------------------------------------------------*/
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/* Configure GPIO */
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/*----------------------------------------------------------------------------*/
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/** Configure pins
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PC14-OSC32_IN (PC14) ------> RCC_OSC32_IN
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PC15-OSC32_OUT (PC15) ------> RCC_OSC32_OUT
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PH0-OSC_IN (PH0) ------> RCC_OSC_IN
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PH1-OSC_OUT (PH1) ------> RCC_OSC_OUT
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*/
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void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOH_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOC, LED_Pin|LCD_WR_RS_Pin|LCD_RST_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOB, LCD_PWR_Pin|KEY2_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pins : PCPin PCPin PCPin */
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GPIO_InitStruct.Pin = LED_Pin|LCD_WR_RS_Pin|LCD_RST_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pin : PtPin */
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GPIO_InitStruct.Pin = KEY1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(KEY1_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : PBPin PBPin */
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GPIO_InitStruct.Pin = LCD_PWR_Pin|KEY2_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* EXTI interrupt init*/
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HAL_NVIC_SetPriority(EXTI2_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(EXTI2_IRQn);
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}
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/* USER CODE BEGIN 2 */
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/* USER CODE END 2 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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