/* * gpio.c * * Created on: Nov 4, 2021 * Author: Mitesh Parikh */ /* Includes ------------------------------------------------------------------*/ #include "GPIO.h" #include #include "stm32l4xx.h" // External Global Variables that we will need access to /*----------------------------------------------------------------------------*/ /* Configure GPIO */ /*----------------------------------------------------------------------------*/ void GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStruct = {0}; /* GPIO Ports Clock Enable */ __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /*Configure GPIO pin : PtPin */ GPIO_InitStruct.Pin = B1_Pin; GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct); GPIO_InitStruct.Pin = S1_Pin; GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING; GPIO_InitStruct.Pull = GPIO_PULLDOWN; HAL_GPIO_Init(S1_GPIO_Port, &GPIO_InitStruct); /* EXTI15_10_IRQn interrupt init*/ // Note you will have to add EXTI15_10_IRQn Interrupt handler function as well // This is the interrupt handler for the blue button /* EXTI9_5_IRQn interrupt init*/ // Note you will have to add EXTI9_5_IRQn Interrupt handler function as well // This is the interrupt handler for the external buttons (S1) }