/**
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******************************************************************************
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* @file gpio.c
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* @brief 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) 2021 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 as
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* Analog
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* Input
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* Output
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* EVENT_OUT
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* EXTI
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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(GPIOB, Relay1_Pin|Relay2_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOB, SysLed_Pin|BlueLed_Pin|RedLed_Pin|GreenLed_Pin, GPIO_PIN_SET);
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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_FALLING;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(Key1_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : PBPin PBPin PBPin PBPin
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PBPin PBPin */
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GPIO_InitStruct.Pin = Relay1_Pin|Relay2_Pin|SysLed_Pin|BlueLed_Pin
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|RedLed_Pin|GreenLed_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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/*Configure GPIO pin : PtPin */
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GPIO_InitStruct.Pin = Key2_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(Key2_GPIO_Port, &GPIO_InitStruct);
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/* EXTI interrupt init*/
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HAL_NVIC_SetPriority(EXTI15_10_IRQn, 2, 0);
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HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);
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}
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/* USER CODE BEGIN 2 */
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gpio_t leds[LedMax] =
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{
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{ "SysLed", SysLed_GPIO_Port, SysLed_Pin},
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{ "RedLed", RedLed_GPIO_Port, RedLed_Pin},
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{ "GreenLed", GreenLed_GPIO_Port, GreenLed_Pin},
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{ "BlueLed", BlueLed_GPIO_Port, BlueLed_Pin},
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};
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gpio_t relays[RelayMax] =
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{
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{ "Relay1", Relay1_GPIO_Port, Relay1_Pin},
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{ "Relay2", Relay2_GPIO_Port, Relay2_Pin},
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};
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void turn_relay(int which, int status)
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{
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GPIO_PinState level;
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if( which >= LedMax )
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return ;
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level = status==OFF ? GPIO_PIN_RESET : GPIO_PIN_SET;
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HAL_GPIO_WritePin(relays[which].group, relays[which].pin, level);
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}
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void turn_led(int which, int status)
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{
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GPIO_PinState level;
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if( which >= LedMax )
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return ;
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level = status==OFF ? GPIO_PIN_SET : GPIO_PIN_RESET;
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HAL_GPIO_WritePin(leds[which].group, leds[which].pin, level);
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}
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void blink_led(int which, uint32_t interval)
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{
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turn_led(which, ON);
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HAL_Delay(interval);
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turn_led(which, OFF);
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HAL_Delay(interval);
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}
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void sysled_hearbeat(void)
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{
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blink_led(SysLed, 100);
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blink_led(SysLed, 100);
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blink_led(SysLed, 800);
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}
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
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{
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static uint8_t relay1_status = OFF;
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static uint8_t relay2_status = OFF;
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if( Key1_Pin == GPIO_Pin )
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{
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relay1_status ^= 1;
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turn_relay(Relay1, relay1_status);
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}
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else if( Key2_Pin == GPIO_Pin )
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{
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relay2_status ^= 1;
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turn_relay(Relay2, relay2_status);
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}
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}
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/* USER CODE END 2 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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