pr2_power_board_panel.py

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#!/usr/bin/env python
# Software License Agreement (BSD License)
#
# Copyright (c) 2008, Willow Garage, Inc.
# All rights reserved.
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# modification, are permitted provided that the following conditions
# are met:
#
#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
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#    disclaimer in the documentation and/or other materials provided
#    with the distribution.
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#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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PKG = 'pr2_power_board'

import roslib
roslib.load_manifest(PKG)

import sys
import re
import rospy
from diagnostic_msgs.msg import *
from pr2_power_board.srv import *

WXVER = '2.8'
import wxversion
if wxversion.checkInstalled(WXVER):
    wxversion.select(WXVER)
else:
    print >> sys.stderr, 'This application requires wxPython version %s' % (WXVER)
    sys.exit(1)

import wx
from wx import xrc

import threading, time

class PowerBoardPanel(wx.Panel):
    def __init__(self, parent):
        wx.Panel.__init__(self, parent, wx.ID_ANY)
        
        self._mutex = threading.Lock()
        
        xrc_path = roslib.packages.get_pkg_dir(PKG) + '/ui/pr2_power_board_panel.xrc'
        
        self._xrc = xrc.XmlResource(xrc_path)
        self._real_panel = self._xrc.LoadPanel(self, 'PowerBoardPanel')

        serialBoxSizer = wx.BoxSizer(wx.HORIZONTAL)
        self.myList = wx.ComboBox(self, -1, size=(150,30), style=wx.CB_READONLY)
        self.Bind(wx.EVT_COMBOBOX, lambda e: self.chooseBoard(self.myList.GetValue()))
        serialBoxSizer.Add( wx.StaticText( self, -1, "Board ") )
        serialBoxSizer.Add( self.myList )
        serialBoxSizer.Add( wx.StaticText( self, -1, "Serial ") )
        self.serialText = wx.TextCtrl( self, -1, size=(150,30))
        self.serialText.SetEditable(False)
        self.boardList = dict();
        serialBoxSizer.Add( self.serialText )

        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add( serialBoxSizer, 0, wx.TOP)
        sizer.Add(self._real_panel, 0, wx.BOTTOM)
        self.SetSizer(sizer)

        self._real_panel.Bind(wx.EVT_BUTTON, self.EnableCB0, id=xrc.XRCID('m_button1'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.EnableCB1, id=xrc.XRCID('m_button11'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.EnableCB2, id=xrc.XRCID('m_button12'))

        self._real_panel.Bind(wx.EVT_BUTTON, self.StandbyCB0, id=xrc.XRCID('m_button2'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.StandbyCB1, id=xrc.XRCID('m_button21'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.StandbyCB2, id=xrc.XRCID('m_button22'))

        self._real_panel.Bind(wx.EVT_BUTTON, self.ResetCB0, id=xrc.XRCID('m_button3'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.ResetCB1, id=xrc.XRCID('m_button31'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.ResetCB2, id=xrc.XRCID('m_button32'))

        self._real_panel.Bind(wx.EVT_BUTTON, self.DisableCB0, id=xrc.XRCID('cb0_disable'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.DisableCB1, id=xrc.XRCID('cb1_disable'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.DisableCB2, id=xrc.XRCID('cb2_disable'))

        self._real_panel.Bind(wx.EVT_BUTTON, self.ResetCurrent, id=xrc.XRCID('button_reset_current'))
        self._real_panel.Bind(wx.EVT_BUTTON, self.ResetTransitions, id=xrc.XRCID('button_reset_transitions'))
        rospy.Subscriber("/diagnostics", DiagnosticArray, self.diagnostics_callback)
        
        self.power_control = rospy.ServiceProxy('power_board/control', PowerBoardCommand)


        self.voltages = [0,0,0]
        self.breaker_state = ["", "", ""]
        self.estop_wireless_status = "uninitialized, no power_node sending data"
        self.estop_button_status = "uninitialized"

        self.breaker0_status = xrc.XRCCTRL(self._real_panel, 'm_textCtrl1')
        self.breaker1_status = xrc.XRCCTRL(self._real_panel, 'm_textCtrl11')
        self.breaker2_status = xrc.XRCCTRL(self._real_panel, 'm_textCtrl12')


        self.estop_status = xrc.XRCCTRL(self._real_panel, 'm_textCtrl9')

        self.breaker0_status.SetEditable(False)
        self.breaker1_status.SetEditable(False)
        self.breaker2_status.SetEditable(False)
        self.estop_status.SetEditable(False)

        self.breaker0_status.SetEditable(False)
        self.breaker1_status.SetEditable(False)
        self.breaker2_status.SetEditable(False)
        self.estop_status.SetEditable(False)

        self._messages = []
  
        self.myList.SetValue("none")
        self.currentBoard = "none"

    def chooseBoard(self, board):
        #rospy.logerr("choose: %s" %self.myList.GetValue())
        self.currentBoard = board
        self.serialText.Clear()
        self.serialText.WriteText( str(self.boardList[self.currentBoard]) )    

    def addBoard( self, status ):
        name = str(status.name)
        serial = int(0)
        for strvals in status.values:
            if (strvals.key == "Serial Number"):
                serial = int(strvals.value)
        rospy.logerr("Adding: %s serial=%d" %(name,serial))
        self.myList.Append(name);
        self.boardList[name] = serial
        
        if self.myList.Count == 1:
            self.myList.SetSelection(0)
            self.chooseBoard(name)

    def diagnostics_callback(self, message):
        try:
            self._mutex.acquire()
        except:
            return
        self._messages.append(message)
        self._mutex.release()
            
        wx.CallAfter(self.new_message)
        
    def new_message(self):


        self._mutex.acquire()
        

        for message in self._messages:
            #rospy.logerr(message)
            for status in message.status:
                if( (status.name.startswith("Power board") & (self.myList.FindString( status.name ) == wx.NOT_FOUND)) ):
                    self.addBoard( status )

                if (status.name == self.currentBoard):

                    if( status.level == 0 ):
                        self._real_panel.SetBackgroundColour("LIGHT_GREY")
                        self._real_panel.Enable(True)
                    elif (status.level == 0):
                        self._real_panel.SetBackgroundColour("Orange")
                    else:
                        self._real_panel.SetBackgroundColour("RED")
                        #self._real_panel.Enable(False)

                    for value in status.values:
                        if (value.key == "Breaker 0 Voltage"):
                            self.voltages[0] = value.value
                        if (value.key == "Breaker 1 Voltage"):
                            self.voltages[1] = value.value
                        if (value.key == "Breaker 2 Voltage"):
                            self.voltages[2] = value.value
                        if (value.key == "RunStop Button Status"):
                            self.estop_wireless_status = value.value
                        if (value.key == "RunStop Status"):
                            self.estop_button_status = value.value

                    for strvals in status.values:
                        if (re.match('Breaker 0',strvals.key,re.IGNORECASE)):
                            self.breaker_state[0] = strvals.value
                        if (re.match('Breaker 1',strvals.key,re.IGNORECASE)):
                            self.breaker_state[1] = strvals.value
                        if (re.match('Breaker 2',strvals.key,re.IGNORECASE)):
                            self.breaker_state[2] = strvals.value
                    


                    #rospy.logerr("Voltages: %.1f %.1f %.1f"%(self.voltages[0],self.voltages[1], self.voltages[2]))
                    #rospy.logerr("States: %s %s %s"%(self.breaker_state[0], self.breaker_state[1], self.breaker_state[2]))

                    self.breaker0_status.SetValue("%s @ %sV"%(self.breaker_state[0], self.voltages[0]))
                    self.breaker1_status.SetValue("%s @ %sV"%(self.breaker_state[1], self.voltages[1]))
                    self.breaker2_status.SetValue("%s @ %sV"%(self.breaker_state[2], self.voltages[2]))
                    if self.breaker_state[0] == "Standby":
                        self.breaker0_status.SetBackgroundColour("Orange")
                    elif self.breaker_state[0] in ("On", "Enabled"):
                        self.breaker0_status.SetBackgroundColour("Light Green")
                    else:
                        self.breaker0_status.SetBackgroundColour("Red")

                    if self.breaker_state[1] == "Standby":
                        self.breaker1_status.SetBackgroundColour("Orange")
                    elif self.breaker_state[1] in ("On", "Enabled"):
                        self.breaker1_status.SetBackgroundColour("Light Green")
                    else:
                        self.breaker1_status.SetBackgroundColour("Red")

                    if self.breaker_state[2] == "Standby":
                        self.breaker2_status.SetBackgroundColour("Orange")
                    elif self.breaker_state[2] in ("On", "Enabled"):
                        self.breaker2_status.SetBackgroundColour("Light Green")
                    else:
                        self.breaker2_status.SetBackgroundColour("Red")

                    if self.estop_button_status == "False" or  self.estop_wireless_status == "False":
                        estop_status_temp = "Stop"
                        self.estop_status.SetBackgroundColour("Red")
                    else:
                        estop_status_temp = "Run"
                        self.estop_status.SetBackgroundColour("Light Green")

                    self.estop_status.SetValue("RunStop Status: %s      Button(%s) Wireless(%s)"%(estop_status_temp, self.estop_button_status, self.estop_wireless_status))

        
        self._messages = []
        
        self._mutex.release()
        
        self.Refresh()
        


    def EnableCB0(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 0, "start", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Enable CB0")
    def EnableCB1(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 1, "start", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Enable CB1")
    def EnableCB2(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 2, "start", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Enable CB2")

    def StandbyCB0(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 0, "stop", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Standby CB0")
    def StandbyCB1(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 1, "stop", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Standby CB1")
    def StandbyCB2(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 2, "stop", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Standby CB2")

    def ResetCB0(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 0, "reset", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Reset CB0")
    def ResetCB1(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 1, "reset", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Reset CB1")
    def ResetCB2(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 2, "reset", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Reset CB2")

    def DisableCB0(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 0, "disable", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Disable CB0")
    def DisableCB1(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 1, "disable", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Disable CB1")
    def DisableCB2(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 2, "disable", 0)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
        #rospy.logerr("Disable CB2")

    def ResetCurrent(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 0, "none", 1)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)
    def ResetTransitions(self, event):
        try:
            self.power_control( self.boardList[self.currentBoard], 0, "none", 2)
        except rospy.ServiceException, e:
            rospy.logerr("Service Call Failed: %s"%e)