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annotate touchTest/parseDevicesTest.c @ 4679:5ee96ba0c01e

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Fixed various type and print format issues
author Sam Lantinga <slouken@libsdl.org>
date Sat, 31 Jul 2010 20:38:37 -0700
parents eea1bf53effa
children
rev   line source
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0375d020e7e3 Auto-detects Wacom touch devices.
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <linux/input.h>
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eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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4 #include <fcntl.h>
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5
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6
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7 int main(int agrc,char **argv)
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8 {
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9 FILE *fd;
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10 fd = fopen("/proc/bus/input/devices","r");
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11
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12 char c;
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13 int i = 0;
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14 char line[256];
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15 char tstr[256];
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16 int vendor = -1,product = -1,event = -1;
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17 while(!feof(fd)) {
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18 fgets(line,256,fd);
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19 //printf("%s",line);
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20 if(line[0] == '\n') {
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21 if(vendor == 1386){
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22 printf("Wacom... Assuming it is a touch device\n");
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23 sprintf(tstr,"/dev/input/event%i",event);
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24 printf("At location: %s\n",tstr);
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25
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26 int inFile = open(tstr,O_RDONLY);
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27
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28 unsigned long bits[4];
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29 int abs[5];
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30 ioctl(inFile,EVIOCGABS(ABS_X),abs);
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31 int minx,maxx,miny,maxy,minp,maxp;
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32 minx = abs[1];
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33 maxx = abs[2];
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34 ioctl(inFile,EVIOCGABS(ABS_Y),abs);
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35 miny = abs[1];
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36 maxy = abs[2];
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37 ioctl(inFile,EVIOCGABS(ABS_PRESSURE),abs);
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38 minp = abs[1];
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39 maxp = abs[2];
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40
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41
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42 close(inFile);
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43 }
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44 vendor = -1;
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45 product = -1;
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46 event = -1;
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47 }
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48 else if(line[0] == 'I') {
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49 i = 1;
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50 while(line[i]) {
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51 sscanf(&line[i],"Vendor=%x",&vendor);
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52 sscanf(&line[i],"Product=%x",&product);
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53 i++;
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54 }
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55 }
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56 else if(line[0] == 'H') {
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57 i = 1;
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58 while(line[i]) {
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59 sscanf(&line[i],"event%d",&event);
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60 i++;
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61 }
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62 }
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63 }
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64
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65 close(fd);
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66 return 0;
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67 }