mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-08 23:08:29 +00:00
39 lines
846 B
C
39 lines
846 B
C
#include <dev/leds.h>
|
|
#include <AT91SAM7S64.h>
|
|
|
|
#define GREEN_PIN AT91C_PIO_PA3
|
|
#define YELLOW_PIN AT91C_PIO_PA4
|
|
#define RED_PIN AT91C_PIO_PA8
|
|
|
|
#define ALL_PINS (GREEN_PIN | YELLOW_PIN | RED_PIN)
|
|
|
|
void
|
|
leds_arch_init(void)
|
|
{
|
|
*AT91C_PIOA_PER = ALL_PINS;
|
|
*AT91C_PIOA_OER = ALL_PINS;
|
|
*AT91C_PIOA_MDER = ALL_PINS;
|
|
*AT91C_PIOA_SODR = ALL_PINS;
|
|
}
|
|
|
|
unsigned char
|
|
leds_arch_get(void)
|
|
{
|
|
unsigned char on = 0;
|
|
if (*AT91C_PIOA_ODSR & GREEN_PIN) on |= LEDS_GREEN;
|
|
if (*AT91C_PIOA_ODSR & YELLOW_PIN) on |= LEDS_YELLOW;
|
|
if (*AT91C_PIOA_ODSR & RED_PIN) on |= LEDS_RED;
|
|
return on;
|
|
}
|
|
|
|
void
|
|
leds_arch_set(unsigned char leds)
|
|
{
|
|
unsigned int set = 0;
|
|
if (leds & LEDS_GREEN) set |= GREEN_PIN;
|
|
if (leds & LEDS_YELLOW) set |= YELLOW_PIN;
|
|
if (leds & LEDS_RED) set |= RED_PIN;
|
|
*AT91C_PIOA_CODR = set;
|
|
*AT91C_PIOA_SODR = (~set) & ALL_PINS;
|
|
}
|