io_pins.h

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/**
 * @file    io_pins.h
 * @brief   this file is about general input/output utility methods, not much EFI-specifics
 *
 * @date Jan 24, 2013
 * @author Andrey Belomutskiy, (c) 2012-2020
 */
 
#pragma once
 
#include "global.h"
 
#define INITIAL_PIN_STATE -1
 
// mode >= 0  is always true since that's an unsigned
#define assertOMode(mode) { \
    efiAssertVoid(ObdCode::CUSTOM_INVALID_MODE_SETTING, mode <= OM_OPENDRAIN_INVERTED, "invalid pin_output_mode_e"); \
 }
 
#define efiSetPadModeIfConfigurationChanged(msg, pin, mode)                      \
    if (isConfigurationChanged(pin)) {                                           \
        efiSetPadMode(msg, engineConfiguration->pin, mode);      \
    }
 
#define efiSetPadUnusedIfConfigurationChanged(pin)                               \
    if (isConfigurationChanged(pin)) {                                           \
        efiSetPadUnused(activeConfiguration.pin);   \
    }
 
void efiSetPadMode(const char *msg, brain_pin_e pin, iomode_t mode);
void efiSetPadModeWithoutOwnershipAcquisition(const char *msg, brain_pin_e brainPin, iomode_t mode);
void efiSetPadUnused(brain_pin_e brainPin);
 
#if EFI_GPIO_HARDWARE
bool efiReadPin(brain_pin_e pin);
bool efiReadPin(brain_pin_e pin, pin_input_mode_e mode);
bool efiIsInputPinInverted(pin_input_mode_e mode);
 
iomode_t getInputMode(pin_input_mode_e mode);
 
#endif /* EFI_GPIO_HARDWARE */
 
void writePad(const char *msg, brain_pin_e pin, int bit);
 
#if ! EFI_PROD_CODE
#define BRAIN_PIN_COUNT (1 << 8 * sizeof(brain_pin_e))
extern bool mockPinStates[BRAIN_PIN_COUNT];
 
void setMockState(brain_pin_e pin, bool state);
#endif