C++ (Cpp) AT91_PIO_LOCK Exemples

Exemple #1

static int
at91_pio_close(struct cdev *dev, int fflag, int devtype, struct thread *td)
{
    struct at91_pio_softc *sc;

    sc = CDEV2SOFTC(dev);
    AT91_PIO_LOCK(sc);
    sc->flags &= ~OPENED;
#if 0
    /* Disable interrupts. */
#endif
    AT91_PIO_UNLOCK(sc);
    return (0);
}

Exemple #2

static int
at91_pio_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
{
    struct at91_pio_softc *sc;

    sc = CDEV2SOFTC(dev);
    AT91_PIO_LOCK(sc);
    if (!(sc->flags & OPENED)) {
        sc->flags |= OPENED;
#if 0
        /* Enable interrupts. */
#endif
    }
    AT91_PIO_UNLOCK(sc);
    return (0);
}

Exemple #3

static int
at91_pio_intr(void *xsc)
{
    struct at91_pio_softc *sc = xsc;
#if 0
    uint32_t status;

    /* Reading the status also clears the interrupt. */
    status = RD4(sc, PIO_SR);
    if (status == 0)
        return;
    AT91_PIO_LOCK(sc);
    AT91_PIO_UNLOCK(sc);
#endif
    wakeup(sc);
    return (FILTER_HANDLED);
}

Exemple #4

Fichier : at91_pio.c Projet : Alkzndr/freebsd

static void
at91_pio_intr(void *xsc)
{
	struct at91_pio_softc *sc = xsc;
	uint32_t status;
	int i;

	/* Reading the status also clears the interrupt. */
	status = RD4(sc, PIO_ISR) & RD4(sc, PIO_IMR);
	if (status != 0) {
		AT91_PIO_LOCK(sc);
		for (i = 0; status != 0 && sc->buflen < MAX_CHANGE; ++i) {
			if (status & 1)
				sc->buf[sc->buflen++] = (uint8_t)i;
			status >>= 1;
		}
		AT91_PIO_UNLOCK(sc);
		wakeup(sc);
		selwakeup(&sc->selp);
	}