94 lines
1.7 KiB
C++
94 lines
1.7 KiB
C++
/*
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* EXTIHandler_STM32.cpp
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*
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* Created on: Apr 20, 2024
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* Author: Gabriel
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*/
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#include "EXTIHandler_STM32.hpp"
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/*
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin){
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EXTIHandler_STM32::EXTI_Callback(GPIO_Pin);
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}
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*/
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EXTIHandler_STM32::EXTIHandler_STM32() {
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}
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EXTIHandler_STM32::~EXTIHandler_STM32() {
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}
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void EXTIHandler_STM32::EXTI_Callback(uint16_t GPIO_Pin){
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// TODO Protect array with mutex
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EXTIHandler_STM32* object = objects[gpioPinToPinNumber(GPIO_Pin)];
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if(object){
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object->irqHandler(nullptr);
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}
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}
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int32_t EXTIHandler_STM32::registerCallback(GPIO_Pin_STM32* pin){
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// TODO Protect array with mutex
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int8_t pinNumber = gpioPinToPinNumber(pin->getPin());
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if(!objects[pinNumber]){
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objects[pinNumber] = this;
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return 0;
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}else{
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// Already enabled
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return -1;
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}
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}
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int32_t EXTIHandler_STM32::deregisterCallback(GPIO_Pin_STM32* pin){
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// TODO Protect array with mutex
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int8_t pinNumber = gpioPinToPinNumber(pin->getPin());
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if(objects[pinNumber]){
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objects[pinNumber] = nullptr;
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return 0;
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}else{
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return -1;
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}
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}
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int8_t EXTIHandler_STM32::gpioPinToPinNumber(uint16_t GPIO_Pin) {
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assert_param(IS_GPIO_PIN(GPIO_Pin));
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switch(GPIO_Pin){
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case GPIO_PIN_0:
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return 0;
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case GPIO_PIN_1:
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return 1;
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case GPIO_PIN_2:
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return 2;
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case GPIO_PIN_3:
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return 3;
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case GPIO_PIN_4:
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return 4;
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case GPIO_PIN_5:
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return 5;
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case GPIO_PIN_6:
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return 6;
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case GPIO_PIN_7:
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return 7;
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case GPIO_PIN_8:
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return 8;
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case GPIO_PIN_9:
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return 9;
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case GPIO_PIN_10:
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return 10;
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case GPIO_PIN_11:
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return 11;
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case GPIO_PIN_12:
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return 12;
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case GPIO_PIN_13:
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return 13;
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case GPIO_PIN_14:
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return 14;
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case GPIO_PIN_15:
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return 15;
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}
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// TODO implement error handling here
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return -1;
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}
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