#include <Led.h>

void Led_Disp(unsigned char addr,enable)
{
	static unsigned char temp = 0x00,temp_old = 0xff;
	
	if(enable)
		temp = temp | (0x01 << addr);
	else
		temp = temp & (~(0x01 << addr));
	if(temp != temp_old)
	{
		P2 = P2 & 0x1f | 0x80;
		P0 = ~temp;
		P2 &= 0x1f;
		
		temp_old = temp;
	}
	
}

void Relay(bit enable)
{
	static unsigned char temp = 0xff;
	static unsigned char temp_old = 0x00;
	if(enable)
		temp |= 0x10;
	else
		temp &= ~0x10;
	if(temp != temp_old)
	{
		P2 = P2 & 0x1f | 0xA0;
		P0 = ~temp;
		P2 &= 0x1f;
		
		temp_old = temp;
	}
}