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:
CVSweb