LED Blinking with 8051 Starter Board Revision as of 16:01, 3 May 2016 by Sharana (Talk | contribs) (diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Code

	#include <reg51.h>
	void DELAY_ms(unsigned int ms_Count)
	{
	unsigned int i,j;
	for(i=0;i<ms_Count;i++)
	{
	for(j=0;j<100;j++);
	}
	}
	int main()
	{
	while(1)
	{
	P0 = 0xff; /* Turn ON all the leds connected to Ports */
	P1 = 0xff;
	P2 = 0xff;
	P3 = 0xff;
	DELAY_ms(500);
	P0 = 0x00; /* Turn OFF all the leds connected to Ports */
	P1 = 0x00;
	P2 = 0x00;
	P3 = 0x00;
	DELAY_ms(500);
	}
	return (0);
	}

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