import serial
from PySide import QtCore, QtGui

def evmSelectorSelected(val):
	global regProg,capDev,dev,evmTitle,evmSelectList,evmSelectWindow,evmSelectCentralWidget,evmProgressBar
	evmSelectCentralWidget.setEnabled(False)
	evmProgressBar.setValue(10)
	if(type(val) is QtGui.QListWidgetItem):
		selection=evmSelectListWidget.currentRow()
	else:
		selection=val
	evmTitle=evmSelectList[selection]
	regProg = mMSPF5529Controller.MSP5529RegProgrammer(addr=evmList.control[0])
	capDev  = mMSPF5529Controller.MSP5529_OPT4XXX_Capture(dataPort=evmList.data[0],controlPort=evmList.control[0])
	dev = mDevice.Device(fileName=scriptsRootDir+'OPT4001_EVM.dml',ignoreLast=False,regProgDevice=regProg,name='Registers View')
	evmProgressBar.setValue(30)
	mainWindow.runFile(scriptsRootDir+r'/resetDevice.py')
	evmProgressBar.setValue(40)
	mainWindow.runFile(scriptsRootDir+r'/updateGUIFromDevice.py')
	evmProgressBar.setValue(50)
	mainWindow.runFile(scriptsRootDir+r'/captureDataStructure.py')
	evmProgressBar.setValue(70)
	mainWindow.runFile(scriptsRootDir+r'/04-launchGUI.py')
	evmProgressBar.setValue(100)
	evmSelectWindow.close()
	
if('dev' in locals().keys()):
	errorMessage=QtGui.QErrorMessage()
	errorMessage.showMessage("Please clear session. Session->Clear Session (CTRL+T) or close and restart Latte")
	errorMessage.resize(500,250)
else:
	## Imports
	# -------
	import imp
	import mDevice
	
	scriptsRootDir=PROJECTS_DIR+r'OPT4001/OPT4001DNPQ1_EVM/'
	
	mEVMSelector=imp.load_source('mEVMSelector',scriptsRootDir+r'mEVMSelector.py')
	mMSPF5529Controller=imp.load_source('mMSPF5529Controller',scriptsRootDir+'/mMSP5529Programmer.py')

	## Instance creation
	# -----------------
	evmFound=False
	while(not evmFound):
		evmList=mEVMSelector.EVMSelector()
		if(len(evmList.control)>0):
			evmFound=True
			break
		msgBox=QtGui.QMessageBox()
		msgBox.setText("OPT4001 Connection Problem")
		msgBox.setIcon(QtGui.QMessageBox.Critical)
		msgBox.setInformativeText('OPT4001 not connected. Please check USB connection')
		msgBox.setStandardButtons(QtGui.QMessageBox.Retry | QtGui.QMessageBox.Abort)
		msgBox.setWindowTitle ('Connection Problem')
		result=msgBox.exec_()
		if(result==QtGui.QMessageBox.Retry):
			continue
		if(result==QtGui.QMessageBox.Abort):
			#sys.exit(0)
			mainWindow.closeEvent(QtGui.QCloseEvent)
			break
	
	evmSelectList=[]
	for c0 in np.arange(len(evmList.control)):
		evmSelectList.append('EVM%d:Control:%s/Data:%s'%(c0,evmList.control[c0],evmList.data[c0]))

		
	evmSelectWindow=QtGui.QMainWindow()
	evmSelectWindow.setWindowTitle('EVM Selector')
	evmSelectListWidget= QtGui.QListWidget()
	evmProgressBar=QtGui.QProgressBar()
	evmProgressBar.setValue(0)
	
	evmSelectListWidget.setToolTip('Double click to select EVM')
	evmSelectListWidget.addItems(evmSelectList)
	usableEVMsFlag=np.zeros(len(evmList.control),dtype=np.bool)

	for c0 in np.arange(len(evmList.control)):
		try:
			ser=serial.Serial(port=evmList.control[c0])
			ser.close()
			alreadyOpen=False
		except:
			alreadyOpen=True
		usableEVMsFlag[c0]=not alreadyOpen
		if(alreadyOpen):
			evmSelectListWidget.item(c0).setFlags(QtCore.Qt.NoItemFlags)
	
	evmSelectCentralWidget=QtGui.QWidget()
	evmSelectionLayout=QtGui.QVBoxLayout()

	evmSelectionLayout.addWidget(evmSelectListWidget)
	evmSelectionLayout.addWidget(evmProgressBar)

	evmSelectCentralWidget.setLayout(evmSelectionLayout)
	evmSelectWindow.setCentralWidget(evmSelectCentralWidget)

	evmSelectListWidget.itemDoubleClicked.connect(evmSelectorSelected)
	if(np.sum(usableEVMsFlag)==1):
		evmSelectorSelected(np.argwhere(usableEVMsFlag).ravel()[0])
	else:
		evmSelectWindow.show()