Mercurial > hg > minimon
comparison fbt.c @ 2:bac8ed8d6eb9
add jpeg coding and test stuff
author | Peter Meerwald <pmeerw@pmeerw.net> |
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date | Sun, 08 May 2011 18:22:22 +0200 |
parents | |
children | e8957085fe8a |
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1:111d4bbce605 | 2:bac8ed8d6eb9 |
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1 #include <stdlib.h> | |
2 #include <stdio.h> | |
3 #include <fcntl.h> | |
4 #include <sys/ioctl.h> | |
5 | |
6 #include "linux/fb.h" | |
7 | |
8 int main(int argc, char *argv[]) { | |
9 | |
10 int fd = open("/dev/fb0", O_RDWR); | |
11 if (fd < 0) { | |
12 perror(""); | |
13 exit(EXIT_FAILURE); | |
14 } | |
15 | |
16 struct fb_fix_screeninfo sif; | |
17 if (ioctl(fd, FBIOGET_VSCREENINFO, &sif) < 0) { | |
18 perror(""); | |
19 exit(EXIT_FAILURE); | |
20 } | |
21 | |
22 printf("id %s\n", sif.id); | |
23 printf("type %d, aux %d\n", sif.type, sif.type_aux); | |
24 printf("visual %d\n", sif.visual); | |
25 printf("accel %d\n", sif.accel); | |
26 printf("line length %d\n", sif.line_length); | |
27 | |
28 struct fb_var_screeninfo siv; | |
29 if (ioctl(fd, FBIOGET_VSCREENINFO, &siv) < 0) { | |
30 perror(""); | |
31 exit(EXIT_FAILURE); | |
32 } | |
33 | |
34 printf("res x %d y %d\n", siv.xres, siv.yres); | |
35 printf("bpp %d\n", siv.bits_per_pixel); | |
36 | |
37 exit(EXIT_SUCCESS); | |
38 } |