diff options
Diffstat (limited to 'Core/Src/gpio.c')
| -rw-r--r-- | Core/Src/gpio.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/Core/Src/gpio.c b/Core/Src/gpio.c new file mode 100644 index 0000000..b80c7b9 --- /dev/null +++ b/Core/Src/gpio.c @@ -0,0 +1,87 @@ +/**
+ ******************************************************************************
+ * @file gpio.c
+ * @brief This file provides code for the configuration
+ * of all used GPIO pins.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2021 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"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/*----------------------------------------------------------------------------*/
+/* Configure GPIO */
+/*----------------------------------------------------------------------------*/
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/** 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_GPIOC_CLK_ENABLE();
+ __HAL_RCC_GPIOH_CLK_ENABLE();
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_GPIOB_CLK_ENABLE();
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET);
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(GPIOB, RS_Pin|RW_Pin|E_Pin|D4_Pin
+ |D5_Pin|D6_Pin|D7_Pin, GPIO_PIN_RESET);
+
+ /*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);
+
+ /*Configure GPIO pin : PtPin */
+ GPIO_InitStruct.Pin = LD2_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
+ HAL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pins : PBPin PBPin PBPin PBPin
+ PBPin PBPin PBPin */
+ GPIO_InitStruct.Pin = RS_Pin|RW_Pin|E_Pin|D4_Pin
+ |D5_Pin|D6_Pin|D7_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+}
+
+/* USER CODE BEGIN 2 */
+
+/* USER CODE END 2 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|