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URL https://opencores.org/ocsvn/oms8051mini/oms8051mini/trunk

Subversion Repositories oms8051mini

[/] [oms8051mini/] [trunk/] [verif/] [sw/] [C/] [fib.c] - Rev 22

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/*
 * Copyright (c) 1999-2001 Tony Givargis.  Permission to copy is granted
 * provided that this header remains intact.  This software is provided
 * with no warranties.
 *
 * Version : 2.9
 */
 
/*---------------------------------------------------------------------------*/
 
#include <8051.h>
 
char cErrCnt;
/*---------------------------------------------------------------------------*/
 
void fib(unsigned char* buf, unsigned char n) {
 
    unsigned char i;
 
    buf[0] = 1;
    buf[1] = 1;
    for(i=2; i<n; i++) {
 
        buf[i] = buf[i-1] + buf[i-2];
    }
}
 
/*---------------------------------------------------------------------------*/
 
void print(unsigned char* buf, unsigned char n) {
 
    unsigned char i;
 
    unsigned char exp_buf[10] = {0x1,0x1,0x2,0x3,0x5,0x8,0xd,0x15,0x22,0x37};
    for(i=0; i<n; i++) {
        P0 = buf[i];
        P1 = exp_buf[i];
        if(buf[i] != exp_buf[i]) {
           cErrCnt++;
        }
    }
    if(cErrCnt !=0) {
        P2 = 0x55; // Test Fail
        P3 = cErrCnt;
 
    } else {
       P2 = 0xAA; // Test PASS
       P3 = 0xAA; // Test PASS
    }
}
 
/*---------------------------------------------------------------------------*/
 
void main() {
 
    unsigned char buf[10];
    cErrCnt = 0;
 
    fib(buf, 10);
    print(buf, 10);
    while(1);
}
 

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