ADDER X-SC Manual de usuario descargar pdf (Pagina 42)

42 CHAPTER 1. INTRODUCTION TO THE ALLIANCE TOOLS

Table 1.14: Options Available for the GENPAT Tool.

Option Description

-v

Verbose mode.

-k

Keeps the executable and the compilation Makeﬁle after completion.

for our multiplexer circuit using the following muxgp.c ﬁle.

#include <stdio.h>

#include <genpat.h>

/*Define the number of test patterns */

#define MAXCYCLE 8

/* Function to allocate a memory buf fer, convert the first parameter into a string

and return the pointer to it.*/

char *inttostr (int integer, int len)

{

char *str;

str = (char *)mbkalloc(len*sizeof(char)+1);

sprintf(str, "%.32d", integer);

return(&str[32-len]);

}

/* Apply power to the circuit */

void power (void)

{

AFFECT (inttostr (0, 32), "Vdd", "0b1");

AFFECT (inttostr (0, 32), "Vss", "0b0");

}

/*Generate the patterns for the mux */

void patterns (void)

{

int i,a,b,c,q;

for (i=0; i<MAXCYCLE; i++)

{

LABEL ( "pat" );

if (i%8 < 4) c = 0; else c = 1;

AFFECT(inttostr(i, 32), "c", inttostr(c,32));

if (i%4 < 2) a = 0; else a = 1;

AFFECT(inttostr(i, 32), "a", inttostr(a,32));

if(i%2 == 0) b = 0; else b = 1;

AFFECT(inttostr(i, 32), "b", inttostr(b, 32));

if(c == 1) q = a; else q = b;

AFFECT(inttostr(i, 32), "q", inttostr(q, 32));

}

int main(void)

{

/* Declares the name of the pattern file */

DEF_GENPAT ("muxgp_in");

/* Declare the name, format and type of each of the inputs/outputs */

DECLAR ( "Vdd", ":0", "B", IN, "", "");

DECLAR ( "Vss", ":5", "B", IN, "", "");

DECLAR ( "a", ":2", "B", IN, "", "");

DECLAR ( "b", ":2", "B", IN, "", "");

DECLAR ( "c", ":2", "B", IN, "", "");

DECLAR ( "q", ":2", "B", OUT, "", "");

/* Generate the patterns */

power();

patterns();

/* Save the pattern file */

SAV_GENPAT();

/* Return success code */

return(0);

}

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