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comparison touchTest/parseDevicesTest.c @ 4645:0375d020e7e3

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Auto-detects Wacom touch devices.
author Jim Grandpre <jim.tla@gmail.com>
date Mon, 31 May 2010 00:24:37 -0400
parents
children eea1bf53effa
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4644:fb500b3e1717 4645:0375d020e7e3
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <linux/input.h>
4
5
6 int main(int agrc,char **argv)
7 {
8 FILE *fd;
9 fd = fopen("/proc/bus/input/devices","r");
10
11 char c;
12 int i = 0;
13 char line[256];
14 char tstr[256];
15 int vendor = -1,product = -1,event = -1;
16 while(!feof(fd)) {
17 fgets(line,256,fd);
18 //printf("%s",line);
19 if(line[0] == '\n') {
20 if(vendor == 1386){
21 printf("Wacom... Assuming it is a touch device\n");
22 sprintf(tstr,"/dev/input/event%i",event);
23 printf("At location: %s\n",tstr);
24
25
26 }
27 vendor = -1;
28 product = -1;
29 event = -1;
30 }
31 else if(line[0] == 'I') {
32 i = 1;
33 while(line[i]) {
34 sscanf(&line[i],"Vendor=%x",&vendor);
35 sscanf(&line[i],"Product=%x",&product);
36 i++;
37 }
38 }
39 else if(line[0] == 'H') {
40 i = 1;
41 while(line[i]) {
42 sscanf(&line[i],"event%d",&event);
43 i++;
44 }
45 }
46 }
47
48 close(fd);
49 return 0;
50 }