| |
Example to drive 8 LEDS
/************************************************
* *
* COPYRIGHT (c) Blitzlogic Sdn. Bhd. *
* Author : Abraham Wong 21/1/2000 *
* *
* example of using WHILE loop construct *
* to drive 8 LEDS connected to port B *
* *
* Compiler : SPJ 8051 C - DEMO *
* *
************************************************/
#include < sfr31.h > /* Include 8031 / 8051 SFR definition header file */
unsigned char num[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 };
void main( )
{
unsigned char j ;
while( 1 )
{ /* Loop forever */
for (j = 0 ; j < 8 ; j ++ )
{ /* Blink LED 0,1,2,3,4,5,6,7 */
P1 = num[j] ; /* Output to LED Port */
delay_ms(500) ; /* Delay of 500 ms */
}
}
}
|
tech_support@blitzlogic.com