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Finished EXTI abstraction

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This commit is contained in:
Luca Lizaranzu
2025-09-05 23:57:26 -07:00
parent 8b4402e4c8
commit f6e21fbd88
5 changed files with 84 additions and 55 deletions
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35
SHAL/Src/Peripheral/GPIO/SHAL_GPIO.cpp
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@@ -3,7 +3,7 @@
//
#include "SHAL_GPIO.h"
#include "SHAL_EXTI_CALLBACK.h"
unsigned long getPinMode(PinMode mode){
switch(mode){
@@ -74,7 +74,7 @@ GPIO& GPIOManager::get(GPIO_Key key, PinMode pinMode) {
return m_gpios[gpioPort][gpioPin];
}
void GPIOManager::getInterruptGPIO(GPIO_Key key, TriggerMode mode, EXTICallback callback) {
void GPIOManager::getInterruptGPIO(GPIO_Key key, TriggerMode triggerMode, EXTICallback callback) {
unsigned int gpioPort = getGPIOPortNumber(key);
unsigned long gpioPin = getGPIORegister(key).global_offset; //Use existing structs to get offset
@@ -82,11 +82,34 @@ void GPIOManager::getInterruptGPIO(GPIO_Key key, TriggerMode mode, EXTICallback
m_gpios[gpioPort][gpioPin] = GPIO(key,PinMode::INPUT_MODE); //Hardcode input mode for interrupt
}
RCC->APB2ENR |= RCC_APB2ENR_SYSCFGCOMPEN; //TODO check if this is different across STM32 models, enable EXT
RCC->APB2ENR |= RCC_APB2ENR_SYSCFGCOMPEN; //Enable EXT, TODO check if this is different across STM32 models
NVIC_EnableIRQ(getGPIOEXTICR(key).IRQN); //Enable IRQN for pin
EXTI->IMR |= (1 << gpioPin); //Enable correct EXTI line
SHAL_EXTIO_Register EXTILineEnable = getGPIOEXTICR(key);
*EXTILineEnable.EXT_ICR |= EXTILineEnable.mask; //Set bits to enable correct port on correct line
*EXTILineEnable.EXT_ICR |= EXTILineEnable.mask; //Set bits to enable correct port on correct line TODO Find way to clear bits before
}
uint32_t rising_mask = 0x00;
uint32_t falling_mask = 0x00;
//Set rising and falling edge triggers based on pin offset (enabled EXTI line)
switch(triggerMode){
case TriggerMode::RISING_EDGE:
rising_mask = 1 << gpioPin;
break;
case TriggerMode::FALLING_EDGE:
falling_mask = 1 << gpioPin;
break;
case TriggerMode::RISING_FALLING_EDGE:
falling_mask = 1 << gpioPin;
falling_mask = 1 << gpioPin;
}
//Set triggers
EXTI->RTSR |= rising_mask;
EXTI->FTSR |= falling_mask;
//Set callback
registerEXTICallback(key,callback);
}