init_flex.cpp

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#include "pch.h"
 
#include "init.h"
#include "functional_sensor.h"
#include "flex_sensor.h"
 
#include "digital_input_exti.h"
 
// 30 sec timeout to avoid issues around cranking
static FlexSensor flexSensor(MS2NT(30000));
 
#if EFI_PROD_CODE
static Gpio flexPin = Gpio::Unassigned;
 
static void flexExtiCallback(void*, efitick_t nowNt) {
    flexSensor.callback(nowNt, efiReadPin(flexPin) ^ engineConfiguration->flexSensorInverted);
}
#endif
 
// https://rusefi.com/forum/viewtopic.php?p=37452#p37452
 
void initFlexSensor(bool isFirstTime) {
#if EFI_PROD_CODE
    if (efiExtiEnablePin("flex", engineConfiguration->flexSensorPin,
        PAL_EVENT_MODE_BOTH_EDGES, flexExtiCallback, nullptr) < 0) {
        return;
    }
    flexPin = engineConfiguration->flexSensorPin;
 
    if (isFirstTime) {
        addConsoleAction("flexinfo", []() {
            flexSensor.debug();
        });
    }
#endif // EFI_PROD_CODE
 
    // If an analog fuel temp sensor is configured, don't use the flex sensor for fuel temp
    flexSensor.Register(!isAdcChannelValid(engineConfiguration->fuelTempSensor.adcChannel));
}
 
void deInitFlexSensor() {
    flexSensor.unregister();
 
#if EFI_PROD_CODE
    if (!isBrainPinValid(flexPin)) {
        return;
    }
 
    efiExtiDisablePin(flexPin);
 
    flexPin = Gpio::Unassigned;
#endif
}