gpio.c

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/**
  ******************************************************************************
  * @file    gpio.c
  * @brief   This file provides code for the configuration
  *          of all used GPIO pins.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; 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 */
 
/* Local variables */
__IO uint8_t SW0Triggered = 0;
__IO uint8_t SW1Triggered = 0;
__IO uint8_t ENCkeyTriggered = 0;
 
/* USER CODE END 0 */
 
/*----------------------------------------------------------------------------*/
/* Configure GPIO                                                             */
/*----------------------------------------------------------------------------*/
/* USER CODE BEGIN 1 */
 
// SW0 = PA0 EXTI0
// SW1 = PA1 EXTI1
// ENC-KEY = PB5 EXTI5
 
uint8_t getSW0(void)
{
    return (SW0Triggered);
}
 
void setSW0(uint8_t value)
{
    SW0Triggered = value;
}
 
uint8_t getSW1(void)
{
    return (SW1Triggered);
}
 
void setSW1(uint8_t value)
{
    SW1Triggered = value;
}
 
uint8_t getENCkey(void)
{
    return (ENCkeyTriggered);
}
 
void setENCkey(uint8_t value)
{
    ENCkeyTriggered = value;
}
 
 
/* USER CODE END 1 */
 
/** Configure pins as
        * Analog
        * Input
        * Output
        * EVENT_OUT
        * EXTI
*/
void MX_GPIO_Init(void)
{
    LL_EXTI_InitTypeDef EXTI_InitStruct = {0};
    LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
 
    /* GPIO Ports Clock Enable */
    LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
    LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
    LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
    LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOB);
 
    /**/
    LL_GPIO_ResetOutputPin(GPIOB, LED_Pin|Buzzer_Pin);
 
    /**/
    LL_GPIO_ResetOutputPin(Relay_GPIO_Port, Relay_Pin);
 
    /**/
    LL_GPIO_SetOutputPin(GPIOB, UART1_3V3out_Pin|UART1_ENout_Pin|UART1_DTRout_Pin);
 
    /**/
    LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTA, LL_GPIO_AF_EXTI_LINE0);
 
    /**/
    LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTA, LL_GPIO_AF_EXTI_LINE1);
 
    /**/
    LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTB, LL_GPIO_AF_EXTI_LINE5);
 
    /**/
    EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_0;
    EXTI_InitStruct.LineCommand = ENABLE;
    EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
    EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
    LL_EXTI_Init(&EXTI_InitStruct);
 
    /**/
    EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_1;
    EXTI_InitStruct.LineCommand = ENABLE;
    EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
    EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
    LL_EXTI_Init(&EXTI_InitStruct);
 
    /**/
    EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_5;
    EXTI_InitStruct.LineCommand = ENABLE;
    EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
    EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
    LL_EXTI_Init(&EXTI_InitStruct);
 
    /**/
    LL_GPIO_SetPinMode(SW0_GPIO_Port, SW0_Pin, LL_GPIO_MODE_FLOATING);
 
    /**/
    LL_GPIO_SetPinMode(SW1_GPIO_Port, SW1_Pin, LL_GPIO_MODE_FLOATING);
 
    /**/
    LL_GPIO_SetPinMode(ENC_Key_GPIO_Port, ENC_Key_Pin, LL_GPIO_MODE_FLOATING);
 
    /**/
    GPIO_InitStruct.Pin = V_ENin_Pin;
    GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
    LL_GPIO_Init(V_ENin_GPIO_Port, &GPIO_InitStruct);
 
    /**/
    GPIO_InitStruct.Pin = A_ENin_Pin;
    GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
    LL_GPIO_Init(A_ENin_GPIO_Port, &GPIO_InitStruct);
 
    /**/
    GPIO_InitStruct.Pin = LED_Pin|Buzzer_Pin|UART1_3V3out_Pin|UART1_ENout_Pin
                          |UART1_DTRout_Pin;
    GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
    GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
    LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
    /**/
    GPIO_InitStruct.Pin = Relay_Pin;
    GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
    GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
    LL_GPIO_Init(Relay_GPIO_Port, &GPIO_InitStruct);
 
    /* EXTI interrupt init*/
    NVIC_SetPriority(EXTI0_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
    NVIC_EnableIRQ(EXTI0_IRQn);
    NVIC_SetPriority(EXTI1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
    NVIC_EnableIRQ(EXTI1_IRQn);
    NVIC_SetPriority(EXTI9_5_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
    NVIC_EnableIRQ(EXTI9_5_IRQn);
}
 
/* USER CODE BEGIN 2 */
 
/* USER CODE END 2 */
 
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/