qtvcp -qt_action: add autoprobe touchoff to ACTION

thanks to Jim for the code

Author: c-morley

lib/python/qtvcp/qt_action.py

@@ -20,7 +20,7 @@
 INFO = Info()
 STATUS = Status()
 PATH = Path()
-TOUCHPLATE_SUBPROGRAM = os.path.abspath(os.path.join(
+TOUCHOFF_SUBPROGRAM = os.path.abspath(os.path.join(
             os.path.dirname(__file__), 'lib/touchoff_subprogram.py'))
 
 
@@ -763,8 +763,7 @@ def SET_TEMPARARY_MESSAGE(self, msg):
         STATUS.emit('error', STATUS.TEMPARARY_MESSAGE, msg)
 
     def TOUCHPLATE_TOUCHOFF(self, search_vel, probe_vel, max_probe,
-            z_offset, retract_distance, z_safe_travel, rtn_method=None, error_rtn = None):
-
+            z_offset, retract_distance, z_safe_travel, rtn_method=None, error_rtn=None):
         # if not none will be called with returned data
         self._touchoff_return = rtn_method
         self._touchoff_error_return = error_rtn
@@ -777,7 +776,7 @@ def TOUCHPLATE_TOUCHOFF(self, search_vel, probe_vel, max_probe,
         self.proc.readyReadStandardOutput.connect(self.read_stdout)
         self.proc.readyReadStandardError.connect(self.read_stderror)
         self.proc.finished.connect(self.touchoff_finished)
-        self.proc.start('python3 {}'.format(TOUCHPLATE_SUBPROGRAM))
+        self.proc.start('python3 {}'.format(TOUCHOFF_SUBPROGRAM))
         # probe
         string_to_send = "touchoff${}${}${}${}${}${}\n".format(str(search_vel),
                                         str(probe_vel),
@@ -791,6 +790,25 @@ def TOUCHPLATE_TOUCHOFF(self, search_vel, probe_vel, max_probe,
         self.proc.writeData(bytes(string_to_send, 'utf-8'))
         return 1
 
+    def AUTO_HEIGHT(self, string_to_send, rtn_method=None, error_rtn=None):
+        # if not None, return with returned data
+        self._touchoff_return = rtn_method
+        self._touchoff_error_return = error_rtn
+
+        if self.proc is not None:
+            return 0
+        self.proc = QProcess()
+        self.proc.setReadChannel(QProcess.StandardOutput)
+        self.proc.started.connect(self.touchoff_started)
+        self.proc.readyReadStandardOutput.connect(self.read_stdout)
+        self.proc.readyReadStandardError.connect(self.read_stderror)
+        self.proc.finished.connect(self.touchoff_finished)
+        self.proc.start('python3 {}'.format(TOUCHOFF_SUBPROGRAM))
+        # block polling here, the sub program will poll now
+        STATUS.block_error_polling()
+        self.proc.writeData(bytes(string_to_send, 'utf-8'))
+        return 1
+
     def ADD_WIDGET_TO_TAB(self, widgetTo, widget,name):
         try:
             if isinstance(widgetTo, QTabWidget):
@@ -990,18 +1008,18 @@ def parse_line(self, line):
         if "COMPLETE" in line:
             # did we get a return method to send return data to?
             if self._touchoff_return is None:
-                self.SET_DISPLAY_MESSAGE("Touchplate touchoff routine returned successfully")
+                self.SET_DISPLAY_MESSAGE("Touchoff routine returned successfully")
             else:
                 # strip ugly text
-                s = line[line.find('COMPLETE ')+9:]
+                s = line[line.find('COMPLETE')+9:]
                 self._touchoff_return(s)
 
         # This also gets error text sent from logging of ACTION library in the subprogram
         elif "ERROR" in line:
             # remove preceding text 'ERROR'
             s = line[line.find('ERROR')+6:]
             s = s[s.find(']')+1:]
-            if self._touchoff_return is None:
+            if self._touchoff_error_return is None:
                 self.SET_ERROR_MESSAGE(s)
             else:
                 self._touchoff_error_return(s)
@@ -1010,10 +1028,10 @@ def parse_line(self, line):
             LOG.debug(line[line.find('DEBUG')+6:])
 
     def touchoff_started(self):
-        LOG.debug("Touchplate touchOff subprogram started with PID {}\n".format(self.proc.processId()))
+        LOG.debug("TouchOff subprogram started with PID {}\n".format(self.proc.processId()))
 
     def touchoff_finished(self, exitCode, exitStatus):
-        LOG.debug("Touchplate touchoff Process finished - exitCode {} exitStatus {}".format(exitCode, exitStatus))
+        LOG.debug("Touchoff Process finished - exitCode {} exitStatus {}".format(exitCode, exitStatus))
         self.proc = None
         STATUS.unblock_error_polling()
         # clean up return method variable