// Simple example of how to set or reset a led output on AT91RM9200 ARM9

// Initialize LED om PB2
    *AT91C_PIOB_PER = 0x00000004;
    *AT91C_PIOB_OER = 0x00000004;
    unsigned char ledski;    
	
	  ledski = 0;
	
//Set or reset the led
        switch (ledski){
           case 0: *AT91C_PIOB_CODR = 0x00000004;
                break;
           case 1: *AT91C_PIOB_SODR = 0x00000004;
				break;
		}