* Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
*/
-#include "busybox.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
+#include <string.h>
#include <sys/ioctl.h>
-
-#define PERROR(ctx) do { perror(ctx); exit(1); } while(0)
+#include "busybox.h"
#define DEFAULTFBDEV "/dev/fb0"
#define DEFAULTFBMODE "/etc/fb.modes"
-#define OPT_CHANGE 1
-#define OPT_INFO (1 << 1)
-#define OPT_READMODE (1 << 2)
-
-#define CMD_HELP 0
-#define CMD_FB 1
-#define CMD_DB 2
-#define CMD_GEOMETRY 3
-#define CMD_TIMING 4
-#define CMD_ACCEL 5
-#define CMD_HSYNC 6
-#define CMD_VSYNC 7
-#define CMD_LACED 8
-#define CMD_DOUBLE 9
-/* #define CMD_XCOMPAT 10 */
-#define CMD_ALL 11
-#define CMD_INFO 12
-#define CMD_CHANGE 13
+static const int OPT_CHANGE = (1 << 0);
+static const int OPT_INFO = (1 << 1);
+static const int OPT_READMODE = (1 << 2);
+
+enum {
+ CMD_HELP = 0,
+ CMD_FB = 1,
+ CMD_DB = 2,
+ CMD_GEOMETRY = 3,
+ CMD_TIMING = 4,
+ CMD_ACCEL = 5,
+ CMD_HSYNC = 6,
+ CMD_VSYNC = 7,
+ CMD_LACED = 8,
+ CMD_DOUBLE = 9,
+/* CMD_XCOMPAT = 10, */
+ CMD_ALL = 11,
+ CMD_INFO = 12,
+ CMD_CHANGE = 13,
#ifdef BB_FEATURE_FBSET_FANCY
-#define CMD_XRES 100
-#define CMD_YRES 101
-#define CMD_VXRES 102
-#define CMD_VYRES 103
-#define CMD_DEPTH 104
-#define CMD_MATCH 105
-#define CMD_PIXCLOCK 106
-#define CMD_LEFT 107
-#define CMD_RIGHT 108
-#define CMD_UPPER 109
-#define CMD_LOWER 110
-#define CMD_HSLEN 111
-#define CMD_VSLEN 112
-#define CMD_CSYNC 113
-#define CMD_GSYNC 114
-#define CMD_EXTSYNC 115
-#define CMD_BCAST 116
-#define CMD_RGBA 117
-#define CMD_STEP 118
-#define CMD_MOVE 119
+ CMD_XRES = 100,
+ CMD_YRES = 101,
+ CMD_VXRES = 102,
+ CMD_VYRES = 103,
+ CMD_DEPTH = 104,
+ CMD_MATCH = 105,
+ CMD_PIXCLOCK = 106,
+ CMD_LEFT = 107,
+ CMD_RIGHT = 108,
+ CMD_UPPER = 109,
+ CMD_LOWER = 110,
+ CMD_HSLEN = 111,
+ CMD_VSLEN = 112,
+ CMD_CSYNC = 113,
+ CMD_GSYNC = 114,
+ CMD_EXTSYNC = 115,
+ CMD_BCAST = 116,
+ CMD_RGBA = 117,
+ CMD_STEP = 118,
+ CMD_MOVE = 119,
#endif
+};
static unsigned int g_options = 0;
/* Stuff stolen from the kernel's fb.h */
-#define FBIOGET_VSCREENINFO 0x4600
-#define FBIOPUT_VSCREENINFO 0x4601
+static const int FBIOGET_VSCREENINFO = 0x4600;
+static const int FBIOPUT_VSCREENINFO = 0x4601;
#define __u32 unsigned int
struct fb_bitfield {
__u32 offset; /* beginning of bitfield */
};
-struct cmdoptions_t {
+static struct cmdoptions_t {
char *name;
unsigned char param_count;
unsigned char code;
#ifdef BB_FEATURE_FBSET_READMODE
/* taken from linux/fb.h */
-#define FB_VMODE_INTERLACED 1 /* interlaced */
-#define FB_VMODE_DOUBLE 2 /* double scan */
-#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
-#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
-#define FB_SYNC_EXT 4 /* external sync */
-#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
+static const int FB_VMODE_INTERLACED = 1; /* interlaced */
+static const int FB_VMODE_DOUBLE = 2; /* double scan */
+static const int FB_SYNC_HOR_HIGH_ACT = 1; /* horizontal sync high active */
+static const int FB_SYNC_VERT_HIGH_ACT = 2; /* vertical sync high active */
+static const int FB_SYNC_EXT = 4; /* external sync */
+static const int FB_SYNC_COMP_HIGH_ACT = 8; /* composite sync high active */
#endif
static int readmode(struct fb_var_screeninfo *base, const char *fn,
const char *mode)
char buf[256];
char *p = buf;
- if ((f = fopen(fn, "r")) == NULL)
- PERROR("readmode(fopen)");
+ f = xfopen(fn, "r");
while (!feof(f)) {
fgets(buf, sizeof(buf), f);
if ((p = strstr(buf, "mode ")) || (p = strstr(buf, "mode\t"))) {
}
}
#else
- errorMsg( "mode reading not compiled in\n");
+ error_msg( "mode reading not compiled in");
#endif
return 0;
}
printf("endmode\n\n");
}
-static void fbset_usage(void)
-{
-#ifndef BB_FEATURE_TRIVIAL_HELP
- int i;
-#endif
-
-#ifndef STANDALONE
- fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
- BB_VER, BB_BT);
-#endif
- fprintf(stderr, "Usage: fbset [options] [mode]\n");
-#ifndef BB_FEATURE_TRIVIAL_HELP
- fprintf(stderr, "\nShows and modifies frame buffer device settings\n\n");
- fprintf(stderr, "The following options are recognized:\n");
- for (i = 0; g_cmdoptions[i].name; i++)
- fprintf(stderr, "\t%s\n", g_cmdoptions[i].name);
-#endif
- exit(-1);
-}
-
#ifdef STANDALONE
int main(int argc, char **argv)
#else
for (i = 0; g_cmdoptions[i].name; i++) {
if (!strcmp(thisarg, g_cmdoptions[i].name)) {
if (argc - 1 < g_cmdoptions[i].param_count)
- fbset_usage();
+ show_usage();
switch (g_cmdoptions[i].code) {
case CMD_HELP:
- fbset_usage();
+ show_usage();
case CMD_FB:
fbdev = argv[1];
break;
mode = *argv;
g_options |= OPT_READMODE;
} else {
- fbset_usage();
+ show_usage();
}
}
}
if ((fh = open(fbdev, O_RDONLY)) < 0)
- PERROR("fbset(open)");
+ perror_msg_and_die("fbset(open)");
if (ioctl(fh, FBIOGET_VSCREENINFO, &var))
- PERROR("fbset(ioctl)");
+ perror_msg_and_die("fbset(ioctl)");
if (g_options & OPT_READMODE) {
if (!readmode(&var, modefile, mode)) {
- errorMsg("Unknown video mode `%s'\n", mode);
+ error_msg("Unknown video mode `%s'", mode);
return EXIT_FAILURE;
}
}
setmode(&var, &varset);
if (g_options & OPT_CHANGE)
if (ioctl(fh, FBIOPUT_VSCREENINFO, &var))
- PERROR("fbset(ioctl)");
+ perror_msg_and_die("fbset(ioctl)");
showmode(&var);
/* Don't close the file, as exiting will take care of that */
/* close(fh); */
projects / oweals / busybox.git / blobdiff