AT91SAM7S256

void LED (void);
{
{
if ((AT91C_BASE_PIOA->PIO_PDSR & SW1_MASK) == 0)
{
AT91C_BASE_PIOA->PIO_OER=0xFFFFFFFF;
AT91C_BASE_PIOA->PIO_SODR=0xFFFBFFFF;
}
}
}

#define LED1 (1<<0) /* PA0 / PGMEN0 & PWM0 TIOA0 48 */
#define LED2 (1<<1) /* PA1 / PGMEN1 & PWM1 TIOB0 47 */
#define LED3 (1<<2) /* PA2 & PWM2 SCK0 44 */
#define LED4 (1<<3) /* PA3 & TWD NPCS3 43 */
 
#define LED5 (1<<27) /* PA27 */
#define LED6 (1<<28) /* PA28 */
#define LED7 (1<<29) /* PA29 */
#define LED8 (1<<30) /* PA30 */
 
/*-------------------------*/
/* Push Buttons Defymition */
/*-------------------------*/
/* PIO Ftosh PA PB PIN */
#define SW1_MASK (1<<19) /* PA19 / PGMD7 & RK FIQ 13 */
#define SW2_MASK (1<<20) /* PA20 / PGMD8 & RF IRQ0 16 */
#define SW3_MASK (1<<15) /* PA15 / PGM3 & TF TIOA1 20 */
#define SW4_MASK (1<<14) /* PA14 / PGMD2 & SPCK PWM3 21 */
#define SW_MASK (SW1_MASK|SW2_MASK|SW3_MASK|SW4_MASK)
 
#define SW1 (1<<19) // PA19
#define SW2 (1<<20) // PA20
#define SW3 (1<<15) // PA15
#define SW4 (1<<14) // PA14