1 files changed, 50 insertions, 0 deletions
diff --git a/project_starter_files/Core/Src/GPIO.c b/project_starter_files/Core/Src/GPIO.c
new file mode 100644
index 0000000..f3812fa
--- /dev/null
+++ b/project_starter_files/Core/Src/GPIO.c
@@ -0,0 +1,50 @@
+/*
+ * gpio.c
+ *
+ *  Created on: Nov 4, 2021
+ *      Author: Mitesh Parikh
+ */
+
+
+/* Includes ------------------------------------------------------------------*/
+#include "GPIO.h"
+#include <stdbool.h>
+#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_15_IRQn Interrupt handler function as well
+	// This is the interrupt handler for the external buttons (S1)
+}
+