LED_90.C   Simple outputs to drive 8 LEDs /////////////////////////////////////////////////////////////////////////// //// //// //// LED_90_C.C //// //// //// //// Program demonstrate how to output and turn on & off the LEDs. //// //// The program blinks the series of LEDs from LED1 to LED8 //// //// turning on & off one after another sequentially. When it //// //// reaches LED8, it repeats the process all over again starting //// //// at LED1. ( Micro = AVR AT90S2313 ) //// //// //// //// (C) Copyright 2000 Blitzlogic Sdn Bhd //// //// //// /////////////////////////////////////////////////////////////////////////// #include < io2313.h > #include < macros.h > char const num[] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }; void wait( ){ ; } void main() { unsigned int i; /* Delay var */ unsigned char j; /* LED var */ while (1) { /* Loop forever */ for (j=0; j< 8; j++) { /* Blink LED 0,1,2,3,4,5,6,7 */ PORTB = num[j]; /* Output to LED Port */ for (i = 0; i < 10000; i++) /* Delay for 1000 Counts */ { wait (); /* call wait function */ } } } }

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