C++ (Cpp) GPIOBUS_PIN_SETFLAGS Exemples

Exemple #1

Fichier : gpioiic.c Projet : Alkzndr/freebsd

/*
 * Reset bus by setting SDA first and then SCL. 
 * Must always be called with gpio bus locked.
 */
static void
gpioiic_reset_bus(device_t dev)
{
	struct gpioiic_softc		*sc = device_get_softc(dev);

	GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, sc->sda_pin,
	    GPIO_PIN_INPUT);
	GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, sc->scl_pin,
	    GPIO_PIN_INPUT);
}

Exemple #2

Fichier : gpioiic.c Projet : Alkzndr/freebsd

static void
gpioiic_setscl(device_t dev, int val)
{
	struct gpioiic_softc		*sc = device_get_softc(dev);

	if (val == 0) {
		GPIOBUS_PIN_SET(sc->sc_busdev, sc->sc_dev, sc->scl_pin, 0);
		GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, sc->scl_pin,
		    GPIO_PIN_OUTPUT);
	} else {
		GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, sc->scl_pin,
		    GPIO_PIN_INPUT);
	}
}

Exemple #3

static void
gpioiic_setsda(device_t dev, int val)
{
	struct gpioiic_softc		*sc = device_get_softc(dev);

	GPIOBUS_LOCK_BUS(sc->sc_busdev);
	if (val == 0) {
		GPIOBUS_PIN_SET(sc->sc_busdev, sc->sc_dev, SDA_PIN, 0);
		GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, SDA_PIN,
		    GPIO_PIN_OUTPUT);
	} else {
		GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, SDA_PIN,
		    GPIO_PIN_INPUT);
	}
	GPIOBUS_UNLOCK_BUS(sc->sc_busdev);
}

Exemple #4

Fichier : gpioiic.c Projet : Alkzndr/freebsd

static int
gpioiic_getsda(device_t dev)
{
	struct gpioiic_softc		*sc = device_get_softc(dev);
	unsigned int			val;

	GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, sc->sda_pin,
	    GPIO_PIN_INPUT);
	GPIOBUS_PIN_GET(sc->sc_busdev, sc->sc_dev, sc->sda_pin, &val);

	return ((int)val);
}

Exemple #5

static int
gpioiic_getscl(device_t dev)
{
	struct gpioiic_softc		*sc = device_get_softc(dev);
	unsigned int			val;

	GPIOBUS_LOCK_BUS(sc->sc_busdev);
	GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, SCL_PIN,
	    GPIO_PIN_INPUT);
	GPIOBUS_PIN_GET(sc->sc_busdev, sc->sc_dev, SCL_PIN, &val);
	GPIOBUS_UNLOCK_BUS(sc->sc_busdev);

	return ((int)val);
}

Exemple #6

Fichier : gpioled.c Projet : jaredmcneill/freebsd

static void
gpioled_control(void *priv, int onoff)
{
    struct gpioled_softc *sc;

    sc = (struct gpioled_softc *)priv;
    GPIOLED_LOCK(sc);
    if (GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, GPIOLED_PIN,
                             GPIO_PIN_OUTPUT) == 0) {
        if (sc->sc_invert)
            onoff = !onoff;
        GPIOBUS_PIN_SET(sc->sc_busdev, sc->sc_dev, GPIOLED_PIN,
                        onoff ? GPIO_PIN_HIGH : GPIO_PIN_LOW);
    }
    GPIOLED_UNLOCK(sc);
}

Exemple #7

Fichier : gpioled.c Projet : Lxg1582/freebsd

static void 
gpioled_control(void *priv, int onoff)
{
	int error;
	struct gpioled_softc *sc;

	sc = (struct gpioled_softc *)priv;
	GPIOLED_LOCK(sc);
	error = GPIOBUS_ACQUIRE_BUS(sc->sc_busdev, sc->sc_dev,
	    GPIOBUS_DONTWAIT);
	if (error != 0) {
		GPIOLED_UNLOCK(sc);
		return;
	}
	error = GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev,
	    GPIOLED_PIN, GPIO_PIN_OUTPUT);
	if (error == 0)
		GPIOBUS_PIN_SET(sc->sc_busdev, sc->sc_dev, GPIOLED_PIN,
		    onoff ? GPIO_PIN_HIGH : GPIO_PIN_LOW);
	GPIOBUS_RELEASE_BUS(sc->sc_busdev, sc->sc_dev);
	GPIOLED_UNLOCK(sc);
}