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Annotation of funnyos/arch/sam7s64/dev/gpioled.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * $Id$
        !             3:  */
        !             4: #include <sys/types.h>
        !             5: #include <sys/device.h>
        !             6: #include <sys/gpio.h>
        !             7:
        !             8: /*
        !             9:  * GPIO LED found on my SAM7-P64 development board.
        !            10:  */
        !            11:
        !            12: int    gpioled_attach(struct device *, uint32_t, uint8_t);
        !            13:
        !            14: struct driver gpioled_dr = {
        !            15:        0,
        !            16:        gpioled_attach,
        !            17:        NULL,
        !            18:        NULL
        !            19: };
        !            20:
        !            21:
        !            22: int
        !            23: gpioled_attach(struct device *self, uint32_t loc, uint8_t flags)
        !            24: {
        !            25:        /* grab parent's gpio_controller */
        !            26:        struct gpio_controller *gcp = self->dv_parent->dv_aux;
        !            27:        struct gpio_pin pin;
        !            28:
        !            29:        pin.gp_pinno = loc;     /* PA17 or PA18 please */
        !            30:        pin.gp_pio = 1;         /* PIO mode */
        !            31:        pin.gp_flags = GPIO_PIN_OUTPUT;
        !            32:        pin.gp_value = 1;       /* LED on */
        !            33:
        !            34:        printf("P64 onboard LED (PA17)\n");
        !            35:
        !            36:        /* talk to gpio controller */
        !            37:        gcp->gc_pinset(gcp->gc_selfdd, pin);
        !            38:
        !            39:        return(0);
        !            40: }
        !            41: