inp000.c
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/*
* vi_gamma000.c - generate test vectors for gamma module
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/*
* G l o b a l s
*/
int gamma_enable, gamma_dither_enable, rgb, vrand, sync;
char *prog_name;
static void
print_vectors()
{
static int first_time = 1;
if(first_time)
{
first_time = 0;
printf("#\n");
printf("# created by %s.c\n", prog_name);
printf("#\n");
printf("vclk @C 1(8) 0(8)\n");
printf("gamma_enable @I @E 0\n");
printf("gamma_dither_enable @I @E 0\n");
printf("rgb[7:0] @I @E 0\n");
printf("rand[5:0] @I @E 0\n");
printf("sync @I @E 0\n");
printf("\n"); /* required newline */
}
/*
* print input signals
*/
printf("%d %d 0x%.2x 0x%.2x %d \n", gamma_enable, gamma_dither_enable, rgb, vrand, sync);
}
void usage(void)
{
fprintf(stderr, "Try again \n");
exit(1);
}
void initialize(void)
{
gamma_enable = 0;
gamma_dither_enable = 0;
rgb = 0;
vrand = 0;
sync = 0;
}
void setwires(int gamma_enableval, int gamma_dither_enableval,
int rgb_val, int rand_val, int sync_val)
{
gamma_enable = gamma_enableval & 0x01;
gamma_dither_enable = gamma_dither_enableval & 0x01;
rgb = rgb_val & 0xff;
vrand = rand_val & 0x3f;
sync = sync_val & 0x01;
print_vectors();
}
void FullGammaTest(void)
{
int i;
for (i=0; i<255; i++)
setwires(1, 0, i, 0, 0);
}
void FooTests(void)
{
setwires(0, 0, 100, 0, 0);
setwires(0, 1, 100, 0, 0);
setwires(0, 1, 144, 0, 0);
setwires(0, 0, 100, 0, 0);
setwires(0, 0, 144, 0, 0);
setwires(1, 1, 100, 0, 0);
setwires(1, 1, 144, 0, 0);
setwires(1, 0, 100, 0, 0);
setwires(1, 0, 144, 0, 0);
setwires(0, 0, 101, 0, 0);
setwires(0, 1, 101, 0, 0);
setwires(0, 1, 101, 32, 0);
setwires(0, 0, 255, 255, 0);
setwires(0, 0, 255, 255, 1);
setwires(0, 1, 255, 255, 0);
setwires(0, 1, 255, 255, 1);
setwires(1, 0, 255, 255, 0);
setwires(1, 0, 255, 255, 1);
setwires(1, 1, 255, 255, 0);
setwires(1, 1, 255, 255, 1);
}
void PrimePipe(void)
{
setwires(0, 0, 0, 0, 1);
}
void HandTests(void)
{
PrimePipe();
FullGammaTest();
FooTests();
}
void DoRandomTests(void)
{
int i;
/* need to use a constant seed so that we can
diff tab files against a golden set stored away
to see if anything has broken later */
srandom(100);
for (i=0; i<5000; i++)
{
setwires(random() & 0x01,
random() & 0x01,
random() & 0xff,
random() & 0x3f,
random() & 0x01);
}
}
int
main(int argc, char **argv)
{
int c;
extern char *optarg;
extern int optind;
char *ofile = NULL;
int i;
prog_name = argv[0];
/* Print Headers */
print_vectors();
initialize();
HandTests();
DoRandomTests();
/* Flush pipe */
setwires(0, 0, 0, 0, 0);
for (i=0; i<2; i++)
print_vectors();
}