contiki/tests/blink-red.c

#define MBAR_GPIO       0x80000000
#define GPIO_PAD_DIR0   0x80000000
#define GPIO_DATA0      0x80000008
#define UART1_DATA      0x80005008
#define DELAY 400000

#include "embedded_types.h"

__attribute__ ((section ("startup"))) void main(void) {
	*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000100;

	volatile uint32_t i;

	while(1) {

		*(volatile uint32_t *)GPIO_DATA0 = 0x00000100;
		
		for(i=0; i<DELAY; i++) { continue; }

		*(volatile uint32_t *)GPIO_DATA0 = 0x00000000;

		for(i=0; i<DELAY; i++) { continue; }

	};
}