On Mon, 11 Jul 2005 06:03 pm, ffrr wrote:
> kernel: input: USB HID v1.10 Keyboard [Twinhan Tech Remote Control] on
usb-0000:00:02.1-3
> kernel: input: USB HID v1.10 Mouse [Twinhan Tech Remote Control] on
usb-0000:00:02.1-3
> The keys all seem to have mappings. For example, by watching in a
> terminal, I see that all the number keys map to the numbers 0 to 9 as
> expected. Other keys are letters - Rewind is a lowercase 'i' and FF
> is an 'n' for example, and the play key seems to conveniently be an
> enter key. Others are more obscure.
>
> Seems it should be possible to use it to control any app, but of course,
> I want to control MythTV.
>
> Any clues on how to remap the keys of this 'USB keyboard'? Does linux
> have a standard mechanism for input devices like this?
Hi ffrr,
I hope I pronounced that right, is it some ET name?
I've written a binary patch which changes the keymaping for usb keyboards so
the remote better matches MythTV.
Enjoy,
Paul
--
// TwinHan VisionPlus DVB-T card remote
// Changes the keymaping for usb keyboards so the remote better matches MythTV
// gcc usbhid-twinhan.c -o usbhid-twinhan
// no options for install
// some options for uninstall
// Copyright 2005/07/13 Paul Andreassen
/*
Button keyboard key showkey new key code MythWeb
fullscreen z 2c SKIPCOMMERCIAL
power Alt-Ctrl-Shift-F6 1d-2a-38-40 changes to console 6
1-9-0 1-9-0 02-0a-0b 1-9-0
record Home 66 r 13 TOGGLERECORD
favourite v 2f / 35 NEXTFAV NEXTFAV
rewind i 17 home 66 PREVVIEW PREVTRACK CLEARMAP DAYLEFT SKIPCOMMBACK
forward n 31 end 6b NEXTVIEW NEXTTRACK LOADCOMMSKIP DAYRIGHT SKIPCOMMERICAL
CH+ pageup 68 up 67 UP CHANNELUP
CH- pagedown 6d down 6c DOWN CHANNELDOWN
play return 1c SELECT
vol+ SHIFT-up 2a-67 right 2a-6a RIGHT RANKINC SEEKFFWD
vol- SHIFT-down 2a-6c left 2a-69 LEFT RACKDEC SEEKRWND
recall c 2e i 17 INFO RETRIEVENEWS INVERTMAP
stop End 6b d 20 DELETE DELETE DELETE DELETE
timeshift/pause t 14 p 19 PAUSE PLAYBACK PAUSE PAUSE
mute m 32 F9 43 MUTE MUTE
cancel Escape 01 ESCAPE
capture p 19 w 11 TOGGLEASPECT
preview k 25 a 1e TOGGLESTRETCH
EPG e 12 s 1f GUIDE
record list l 26 m 32 MENU
tab Tab(beeps) 0f pageup 68 PAGEUP RWND PREVCUT JUMPRWND
teletext a 1e pagedown 6d PAGEDOWN FFWD NEXTCUT JUMPFFWD
*/
#include <stdio.h>
//#define unk KEY_UNKNOWN
#define unk 240
static unsigned char hid_keyboard_orig[256] = {
0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
};
static unsigned char hid_keyboard_new[256] = {
0, 0, 0, 0,109, 48, 23, 32, 31, 33, 34, 35,102, 36, 30, 50,
67,107, 24, 17, 16, 19, 31, 25, 22, 53, 17, 45, 21, 44, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14,104, 57, 12, 13, 26,
27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
65, 66, 67, 68, 87, 88, 99, 70,119,110, 19,103,111, 32,108,106,
105,105,106, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
29, 0, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
};
#define SIZE 256
char filenamestr[]="/lib/modules/%s/kernel/drivers/usb/input/usbhid.ko";
int main(int argc, char *argv[])
{
unsigned char *bsearch, *breplace;
FILE *fo;
char unamer[SIZE];
char filename[SIZE];
int pos=0;
unsigned char byte;
if (argc == 1)
{
bsearch = hid_keyboard_orig;
breplace = hid_keyboard_new;
}
else
{
bsearch = hid_keyboard_new;
breplace = hid_keyboard_orig;
}
if ((fo=popen("uname -r","r"))==NULL)
{
printf("Can't popen uname -r\n");
exit(1);
}
pos=fread(unamer,1,SIZE,fo);
if ((pclose(fo)==-1)||(pos==0)||(pos==SIZE))
{
printf("Error with uname -r\n");
exit(1);
}
unamer[pos-1]=0; // remove trailing \n
pos=snprintf(filename,SIZE,filenamestr,unamer);
if ((pos<0)||(pos>=SIZE))
{
printf("Error with snprintf (%s)\n",filename);
exit(1);
}
if ((fo=fopen(filename,"r+b"))==NULL)
{
printf("Can't open %s\n",filename);
exit(1);
}
printf("Searching %s\n",filename);
pos=0;
while (fread(&byte, 1, 1, fo) == 1)
{
if (byte==bsearch[pos])
{
pos++;
if (pos==256)
{
printf("Found\n");
int back=-pos;
fseek(fo, back, SEEK_CUR);
if (fwrite(breplace, 1, pos, fo)==pos)
{
printf("Wrote ok\n");
}
else
{
printf("Error wrote short\n");
}
pos=0;
break;
}
}
else
{
if (pos>4)
printf("sorry %d == %d\n",byte,bsearch[pos]);
pos=0;
}
}
fclose(fo);
return 0;
}
_______________________________________________
mythtv-users mailing list
[email protected]
http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users