class PHIDGET_TEXTLCD(object):
""" Phidget TextLCD with integrated InterfaceKit """
def __init__(self, serialNumber=None, waitForAttach=1000, **kargs):
self.textLCD = TextLCD()
if 'remoteHost' in kargs:
self.textLCD.openRemote(kargs['remoteHost'], serialNumber)
else:
self.textLCD.openPhidget(serialNumber)
h = [
'onAttachHandler',
'onDetachHandler',
'onErrorhandler'
]
for event in h:
self.__dict__[event] = None
if event in kargs:
self.__dict__[event] = kargs[event]
self.textLCD.setOnAttachHandler(self.attached)
self.textLCD.setOnDetachHandler(self.detached)
if waitForAttach > 0:
try:
self.textLCD.waitForAttach(waitForAttach)
except PhidgetException as e:
#print("Phidget Exception %i: %s" % (e.code, e.details))
try:
self.textLCD.closePhidget()
except PhidgetException as e2:
pass
raise e
def attached(self, e):
from Phidgets.Phidget import PhidgetID
if e.device.getDeviceID()==PhidgetID.PHIDID_TEXTLCD_ADAPTER:
e.device.setScreenIndex(0)
e.device.setScreenSize(TextLCD.TextLCD_ScreenSize.PHIDGET_TEXTLCD_SCREEN_2x20)
if self.onAttachHandler: self.onAttachHandler(e)
def detached(self, e):
if self.onDetachHandler: self.onDetachHandler(e)
def error(self, e):
error = {'code': e.eCode, 'description': e.description}
if self.onErrorhandler: self.onErrorhandler(error, e)
def AttachTextLCD(databasepath, serialNumber):
def onAttachHandler(event):
logString = "TextLCD Attached " + str(event.device.getSerialNum())
#print(logString)
DisplayAttachedDeviceInfo(event.device)
def onDetachHandler(event):
logString = "TextLCD Detached " + str(event.device.getSerialNum())
#print(logString)
DisplayDetachedDeviceInfo(event.device)
event.device.closePhidget()
def onErrorHandler(event):
logString = "TextLCD Error " + str(
event.device.getSerialNum()) + ", Error: " + event.description
print(logString)
DisplayErrorDeviceInfo(event)
def onServerConnectHandler(event):
logString = "TextLCD Server Connect " + str(
event.device.getSerialNum())
#print(logString)
def onServerDisconnectHandler(event):
logString = "TextLCD Server Disconnect " + str(
event.device.getSerialNum())
#print(logString)
try:
p = TextLCD()
p.setOnAttachHandler(onAttachHandler)
p.setOnDetachHandler(onDetachHandler)
p.setOnErrorhandler(onErrorHandler)
p.setOnServerConnectHandler(onServerConnectHandler)
p.setOnServerDisconnectHandler(onServerDisconnectHandler)
p.openPhidget(serialNumber)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting...")
exit(1)
def AttachTextLCD(databasepath, serialNumber):
def onAttachHandler(event):
logString = "TextLCD Attached " + str(event.device.getSerialNum())
#print(logString)
DisplayAttachedDeviceInfo(event.device)
def onDetachHandler(event):
logString = "TextLCD Detached " + str(event.device.getSerialNum())
#print(logString)
DisplayDetachedDeviceInfo(event.device)
event.device.closePhidget()
def onErrorHandler(event):
logString = "TextLCD Error " + str(event.device.getSerialNum()) + ", Error: " + event.description
print(logString)
DisplayErrorDeviceInfo(event)
def onServerConnectHandler(event):
logString = "TextLCD Server Connect " + str(event.device.getSerialNum())
#print(logString)
def onServerDisconnectHandler(event):
logString = "TextLCD Server Disconnect " + str(event.device.getSerialNum())
#print(logString)
try:
p = TextLCD()
p.setOnAttachHandler(onAttachHandler)
p.setOnDetachHandler(onDetachHandler)
p.setOnErrorhandler(onErrorHandler)
p.setOnServerConnectHandler(onServerConnectHandler)
p.setOnServerDisconnectHandler(onServerDisconnectHandler)
p.openPhidget(serialNumber)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting...")
exit(1)
class csss_lcd:
str_top = ""
str_bottom = ""
top_len = 0
bot_len = 0
textLCD = None
def __init__(self):
print("INIT: LCD")
try:
self.textLCD = TextLCD()
except RuntimeError as e:
print("RuntimeExceotion: %s" % e.details)
print("Exiting....")
exit(1)
try:
self.textLCD.setOnAttachHandler(TextLCDAttached)
self.textLCD.setOnDetachHandler(TextLCDDetached)
self.textLCD.setOnErrorhandler(TextLCDError)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
try:
self.textLCD.openPhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
sleep(2)
return
#Information Display Function
def display(self, row, str):
print("Displaying %s" % str)
if len(str) > 20:
self.scroll(row, str)
try:
if self.textLCD.getDeviceID()==PhidgetID.PHIDID_TEXTLCD_ADAPTER:
self.textLCD.setScreenIndex(0)
self.textLCD.setScreenSize(TextLCD_ScreenSize.PHIDGET_TEXTLCD_SCREEN_2x8)
self.textLCD.setDisplayString(row, str)#bytes(str, 'utf-8'))
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
def displaySlow(self, row,str):
self.display(row, str)
sleep(0.75)
def scroll(self, row, str):
length = len(str)
currIndex = 0
endIndex = 20
self.displaySlow(row, str[currIndex:endIndex])
for currIndex in range (1,length):
self.display(row,str[currIndex:endIndex])
if endIndex < length:
endIndex += 1
sleep(0.22)
self.clearRow(row)
def clearRow(self, row):
print("Clearing TextLCD")
self.display(row, " ")
def clearAll(self):
self.clearRow(0)
self.clearRow(1)
def close(self):
try:
print("Closing TextLCD")
self.textLCD.closePhidget()
except PhidgetException as e:
print("Phidget Exception &i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
textLCD.setDisplayString(0, tmp)
textLCD.setDisplayString(1, hmd)
print("InterfaceKit %i: Sensor %i: %i" %
(source.getSerialNum(), e.index, e.value))
def interfaceKitOutputChanged(e):
source = e.device
print("InterfaceKit %i: Output %i: %s" %
(source.getSerialNum(), e.index, e.state))
if __name__ == '__main__':
# Main Program Code
try:
textLCD.setOnAttachHandler(TextLCDAttached)
textLCD.setOnDetachHandler(TextLCDDetached)
textLCD.setOnErrorhandler(TextLCDError)
interfaceKit.setOnAttachHandler(interfaceKitAttached)
interfaceKit.setOnDetachHandler(interfaceKitDetached)
interfaceKit.setOnErrorhandler(interfaceKitError)
interfaceKit.setOnInputChangeHandler(interfaceKitInputChanged)
interfaceKit.setOnOutputChangeHandler(interfaceKitOutputChanged)
interfaceKit.setOnSensorChangeHandler(interfaceKitSensorChanged)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
try:
textLCD.openPhidget()
def TextLCDError(e):
try:
source = e.device
print("TextLCD %i: Phidget Error %i: %s" %
(source.getSerialNum(), e.eCode, e.description))
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
#Main Program Code
try:
#logging example, uncomment to generate a log file
#textLCD.enableLogging(PhidgetLogLevel.PHIDGET_LOG_VERBOSE, "phidgetlog.log")
textLCD.setOnAttachHandler(TextLCDAttached)
textLCD.setOnDetachHandler(TextLCDDetached)
textLCD.setOnErrorhandler(TextLCDError)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Opening phidget object....")
try:
textLCD.openPhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)