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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "vbe.h"
#ident "$Id$"
int main(int argc, char **argv)
{
int i, j;
unsigned char hmin = -1, hmax = -1, vmin = -1, vmax = -1;
if(argc < 2) {
char *p = argv[0];
if(strchr(p, '/')) {
p = strchr(p, '/');
p++;
}
fprintf(stderr,"syntax: %s [-hsync] [-vsync] [-modelines]\n",p);
exit(1);
}
for(i = 1; i < argc; i++) {
if((strcmp(argv[i], "-hsync") == 0) ||
(strcmp(argv[i], "-vsync") == 0)) {
vbe_get_edid_ranges(&hmin, &hmax, &vmin, &vmax);
if(!hmin && !hmax && !vmin && !vmax) {
struct vbe_modeline* modelines;
modelines = vbe_get_edid_modelines();
for(j = 0;
modelines && (modelines[j].refresh != 0);
j++) {
if(hmin == 0) hmin = modelines[j].hfreq;
/* guess */
if(modelines[j].hfreq)
hmin = (hmin < modelines[j].hfreq) ?
hmin : modelines[j].hfreq;
if(modelines[j].hfreq)
hmax = (hmax > modelines[j].hfreq) ?
hmax : modelines[j].hfreq;
if(vmin == 0) vmin = modelines[j].vfreq;
if(modelines[j].vfreq)
vmin = (vmin < modelines[j].vfreq) ?
vmin : modelines[j].vfreq;
if(modelines[j].vfreq)
vmax = (vmax > modelines[j].vfreq) ?
vmax : modelines[j].vfreq;
}
}
}
if(strcmp(argv[i], "-hsync") == 0) {
printf("%d-%d\n", hmin, hmax);
}
if(strcmp(argv[i], "-vsync") == 0) {
printf("%d-%d\n", vmin, vmax);
}
if(strcmp(argv[i], "-modelines") == 0) {
struct vbe_modeline* modelines;
modelines = vbe_get_edid_modelines();
for(j=0; modelines && (modelines[j].refresh != 0); j++){
if(modelines[j].modeline) {
printf("# %dx%d, %1.1f%sHz; hfreq=%f, vfreq=%f\n%s\n",
modelines[j].width,
modelines[j].height,
modelines[j].refresh,
modelines[j].interlaced?"i":"",
modelines[j].hfreq,
modelines[j].vfreq,
modelines[j].modeline);
}
}
if(modelines) {
free(modelines);
} else {
return 1;
}
}
}
return 0;
}
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