/* LPC21xx / ARM7: blink LED connected to P0.7 */
#include <lpc21xx.h>

int main(void) {
    unsigned int i;
    IO0DIR = 0x00000080;
    while (1) {
        IO0SET = 0x00000080;
        for (i = 0; i < 500000; i++);
        IO0CLR = 0x00000080;
        for (i = 0; i < 500000; i++);
    }
}
