gpio.c File Reference

This file provides code for the configuration of all used GPIO pins. More...

#include "gpio.h"

Go to the source code of this file.

Functions
uint8_t	getSW0 (void)
void	setSW0 (uint8_t value)
uint8_t	getSW1 (void)
void	setSW1 (uint8_t value)
uint8_t	getENCkey (void)
void	setENCkey (uint8_t value)
void	MX_GPIO_Init (void)

Variables
__IO uint8_t	SW0Triggered = 0
__IO uint8_t	SW1Triggered = 0
__IO uint8_t	ENCkeyTriggered = 0

Detailed Description

This file provides code for the configuration of all used GPIO pins.

Attention

© Copyright (c) 2021 STMicroelectronics. All rights reserved.

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

Definition in file gpio.c.

Function Documentation

getENCkey()

uint8_t getENCkey

(

void

)

Definition at line 61 of file gpio.c.

{
    return (ENCkeyTriggered);
}

getSW0()

uint8_t getSW0

(

void

)

Definition at line 41 of file gpio.c.

{
    return (SW0Triggered);
}

getSW1()

uint8_t getSW1

(

void

)

Definition at line 51 of file gpio.c.

{
    return (SW1Triggered);
}

MX_GPIO_Init()

void MX_GPIO_Init

(

void

)

Configure pins as Analog Input Output EVENT_OUT EXTI

Definition at line 81 of file gpio.c.

{
    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);
}

setENCkey()

void setENCkey

(

uint8_t

value

)

Definition at line 66 of file gpio.c.

{
    ENCkeyTriggered = value;
}

setSW0()

void setSW0

(

uint8_t

value

)

Definition at line 46 of file gpio.c.

{
    SW0Triggered = value;
}

setSW1()

void setSW1

(

uint8_t

value

)

Definition at line 56 of file gpio.c.

{
    SW1Triggered = value;
}

Variable Documentation

ENCkeyTriggered

__IO uint8_t ENCkeyTriggered = 0

Definition at line 28 of file gpio.c.

SW0Triggered

__IO uint8_t SW0Triggered = 0

Definition at line 26 of file gpio.c.

SW1Triggered

__IO uint8_t SW1Triggered = 0

Definition at line 27 of file gpio.c.