#!/usr/bin/env python # -*- coding: utf-8 -*- # # Python version of libK8055 demo program # # Copyright (C) 2007 by Pjetur G. Hjaltason # import sys, time, string from PyQt4.Qt import * #from frmk8055qt import * from pyk8055 import k8055 class QTK8055(K8055QT): def __init__(self): K8055QT.__init__(self) # Not much sense in making a fancy menu yet # #puProg = QPopupMenu(self) #puProg.insertItem("Quit", Kapp.quit) #puHelp = QPopupMenu(self) #puHelp.insertItem("About", self.about) #self.menu = QMenuBar(self) #self.menu.insertItem("Program", puProg) #self.menu.insertItem("Help", puHelp) # enumerate devices BMask = SearchDevices() if not BMask: print "No K8055 devices found" exit # Enable those present self.CardButton1.setEnabled((BMask & 0x01) > 0) self.CardButton2.setEnabled((BMask & 0x02) > 0) self.CardButton3.setEnabled((BMask & 0x04) > 0) self.CardButton4.setEnabled((BMask & 0x08) > 0) # set the first one found as suggestion if (BMask & 0x01) > 0: self.card = 0 self.CardButton1.setChecked(1) elif (BMask & 0x02) > 0: self.card = 1 self.CardButton2.setChecked(1) elif (BMask & 0x04) > 0: self.card = 2 self.CardButton3.setChecked(1) elif (BMask & 0x08) > 0: self.card = 3 self.CardButton4.setChecked(1) self.time = QTime.currentTime() # get current time internalTimer = QTimer( self ) # create internal timer self.connect( internalTimer, SIGNAL("timeout()"), self.timeout ) internalTimer.start( 100 ) # emit signal every 1/10 second self.timeout() def AnalogTest(self): try: for step in range(0,255,10): self.BarAD1.setValue(step) self.BarAD2.setValue(step) time.sleep(0.1) # set analog output channel 1 to 200/255*5v = 3.9V for step in range(255,0,10): self.BarAD1.setValue(step) self.BarAD2.setValue(step) time.sleep(0.1) # read both analog inputs # note: this returns a list #res = self.k.ReadAllAnalog() #sres = res[1:] # There should be more interesting information in the messagebox ;-/ QMessageBox.information( self,'Information', "AllOK","Ok") except: pass def DigitalTest(self): try: # Create a rotating display of digital outputs # while waiting for keypress on digital input 1 # (longer than .2sec :) Loop at most 3 times Input1High = False for i in range(1,3): d = 1 self.k.WriteAllDigital(1) while Input1High == False and d < 128: Input1High = (self.k.ReadDigitalChannel(1) > 0) if Input1High: break time.sleep(0.2) # wait .2 sec d *=2 # and continue rotating digital outputs #if d > 128: d=1; self.k.WriteAllDigital(d) if Input1High: break res = "Digital input 1=" + str(self.k.ReadDigitalChannel(1)) + "
" # read the counter on input 1 res+= "Counter(1)=" + str(self.k.ReadCounter(1)) + "
" # read the counter on input 2 res+= "Counter(2)=" + str(self.k.ReadCounter(2)) # set even bits on digital outputs self.k.WriteAllDigital(170) time.sleep(1) # set odd bits on digital outputs self.k.WriteAllDigital(85) time.sleep(1) # Clear all digital outputs self.k.WriteAllDigital(0) # There should be more interesting information in the messagebox ;-/ QMessageBox.information( self,'DigitalTest', res,"Ok") except: QMessageBox.warning( self,'DigitalTest', "Not OK","Ok") pass def EnableAll(self): self.OutputBox1.setEnabled(1) self.OutputBox2.setEnabled(1) self.OutputBox3.setEnabled(1) self.OutputBox4.setEnabled(1) self.OutputBox5.setEnabled(1) self.OutputBox6.setEnabled(1) self.OutputBox7.setEnabled(1) self.OutputBox8.setEnabled(1) self.SetAllDigitalButton.setEnabled(1) self.ClearAllDigitalButton.setEnabled(1) self.SetAllAnalogButton.setEnabled(1) self.ClearAllAnalogButton.setEnabled(1) self.comboCounter1.setEnabled(1) self.comboCounter2.setEnabled(1) self.ClearCounter1.setEnabled(1) self.ClearCounter2.setEnabled(1) self.TestDigitalButton.setEnabled(1) self.TestAnalogButton.setEnabled(1) self.BarAD1.setEnabled(1) self.BarAD2.setEnabled(1) self.BarDA1.setEnabled(1) self.BarDA2.setEnabled(1) def DisableAll(self): self.OutputBox1.setEnabled(0) self.OutputBox2.setEnabled(0) self.OutputBox3.setEnabled(0) self.OutputBox4.setEnabled(0) self.OutputBox5.setEnabled(0) self.OutputBox6.setEnabled(0) self.OutputBox7.setEnabled(0) self.OutputBox8.setEnabled(0) self.SetAllDigitalButton.setEnabled(0) self.ClearAllDigitalButton.setEnabled(0) self.SetAllAnalogButton.setEnabled(0) self.ClearAllAnalogButton.setEnabled(0) self.comboCounter1.setEnabled(0) self.comboCounter2.setEnabled(0) self.ClearCounter1.setEnabled(0) self.ClearCounter2.setEnabled(0) self.TestDigitalButton.setEnabled(0) self.TestAnalogButton.setEnabled(0) self.BarAD1.setEnabled(0) self.BarAD2.setEnabled(0) self.BarDA1.setEnabled(0) self.BarDA2.setEnabled(0) # ## The QTimer::timeout() signal is received by this slot. # def timeout( self ): #new_time = QTime.currentTime() # get the current time if self.k != None: try: AllVal = self.k.ReadAllValues() #print AllVal,AllVal[2] self.BarDA1.setValue(255 - AllVal[2]) self.BarDA2.setValue(255 - AllVal[3]) self.DA1Value.setProperty("intValue",QVariant(AllVal[2])) self.DA2Value.setProperty("intValue",QVariant(AllVal[3])) self.Counter1Value.setProperty("intValue",QVariant(AllVal[4])) self.Counter2Value.setProperty("intValue",QVariant(AllVal[5])) if (AllVal[1] & 0x01) > 0: self.DigitalLed1.setState(KLed.On) else: self.DigitalLed1.setState(KLed.Off) if (AllVal[1] & 0x02) > 0: self.DigitalLed2.setState(KLed.On) else: self.DigitalLed2.setState(KLed.Off) if (AllVal[1] & 0x04) > 0: self.DigitalLed3.setState(KLed.On) else: self.DigitalLed3.setState(KLed.Off) if (AllVal[1] & 0x08) > 0: self.DigitalLed4.setState(KLed.On) else: self.DigitalLed4.setState(KLed.Off) if (AllVal[1] & 0x10) > 0: self.DigitalLed5.setState(KLed.On) else: self.DigitalLed5.setState(KLed.Off) except: print "K8055 Read failed" def about(self): QMessageBox.about( self, "About k8055qt", "k8055qt is a small GUI program using libk8055\n\n" "Copyright 2007 Pjetur G. Hjaltason. " "Distributed under GPL license\n\n" "For technical support, study the source code or surf\n" "http://sourceforge.net/projects/libk8055/\n" ) if __name__ == "__main__": Kapp = QApplication(sys.argv) QObject.connect(Kapp,SIGNAL("lastWindowClosed()"),Kapp,SLOT("quit()")) w = QTK8055() Kapp.setMainWidget(w) w.show() Kapp.exec_loop()