main.c

this is arm code for push 100kHz

#include "LPC214x.h"
#include "type.h"
#include "irq.h"

void Timer0Handler (void) __irq
{
	T0IR = 1;
	IENABLE;
	IOPIN0 = (IOPIN0 & 0xFFFFFFFD) | (~IOPIN0 & 0x00000002);
	// dao gi