title: ./ts_calibrate error : ts_open: No such file or directory
body: <p>I have a problem in mini2440. touch screen does not work when my app(Qt application i mean) run on it.<br>
  these are my output for " printenv" in mini2440 :  </p>
  
  <pre><code>[root@FriendlyARM bin]# ./ts_calibrate
  ts_open: No such file or directory
  [root@FriendlyARM bin]# printenv
  TSLIB_TSDEVICE=/usr/local/tslib/lib/ts
  USER=root
  LD_LIBRARY_PATH=/usr/local/Qt/lib:/usr/local/tslib/lib
  TSLIB_TSEVENTTYPE=INPUT
  OLDPWD=/usr/local/bin
  HOME=/
  QTDIR=/usr/local/Qt
  TSLIB_FBDEVICE=/dev/fb0
  PS1=[\u@\h \W]#
  TSLIB_PLUGINDIR=/usr/local/tslib/lib/ts
  TSLIB_CONSOLEDEVICE=none
  LOGNAME=root
  TERM=vt102
  PATH=/sbin:/usr/sbin:/bin:/usr/bin
  TSLIB_CONFFILE=/usr/local/tslib/etc/ts.conf
  SHELL=/bin/sh
  QWS_DISPLAY=LinuxFB:mmWidth=105:mmHeight=140
  PWD=/usr/local/tslib/bin
  QWS_MOUSE_PROTO=tslib:/dev/input/event0
  TSLIB_CALIBFILE=/etc/pointercal
  </code></pre>
  
  <p>and in this directory : <strong>/dev/input</strong> => just i have two file : <strong>enevt0 and mice</strong><br>
  in ts.conf : uncomment the first line.<br>
  i dont know what is ts_open. where is it? or why show me this error?</p>
  
  <p>i confused :(</p>