init

AliBoardExample/Core/Src/gpio.c

@@ -0,0 +1,59 @@
+/**
+  ******************************************************************************
+  * @file    gpio.c
+  * @brief   This file provides code for the configuration
+  *          of all used GPIO pins.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
+  * All rights reserved.</center></h2>
+  *
+  * <h2><center>&copy; Copyright (c) 2016 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"
+
+/* Private define ------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private user code ---------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/** Configure pins as
+        * Analog
+        * Input
+        * Output
+        * EVENT_OUT
+        * EXTI
+*/
+void MX_GPIO_Init(void)
+{
+
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+
+  /* GPIO Ports Clock Enable */
+  __HAL_RCC_GPIOA_CLK_ENABLE();
+
+  /*Configure LED GPIO pin : PA1 PA4 PA5 */
+  GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5;
+  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 KEY GPIO pin : PA3 PA0 */
+  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_3;
+  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+  GPIO_InitStruct.Pull = GPIO_PULLUP; 
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+}
+/************************ (C) COPYRIGHT Puya *****END OF FILE******************/