textLCD.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Exiting....")
exit(1)
else:
DisplayDeviceInfo()
display_tweet = []
try:
if textLCD.getDeviceID()==PhidgetID.PHIDID_TEXTLCD_ADAPTER:
textLCD.setScreenIndex(0)
textLCD.setScreenSize(TextLCD_ScreenSize.PHIDGET_TEXTLCD_SCREEN_2x8)
for tweet in stream:
if 'text' in tweet:
text = tweet['text']
if type(text) == str:
if SEARCHTERM in text.lower():
display_tweet.append(text)
if display_tweet:
item = display_tweet.pop()
textLCD.setBacklight(True)
print item
row1 = item[:20]
row2 = item[20:40]
print("Writing to first row....")
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)
print("Phidget Exception %i: %s" % (e.code, e.details))
try:
textLCD.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Exiting....")
exit(1)
else:
DisplayDeviceInfo()
try:
if textLCD.getDeviceID() == PhidgetID.PHIDID_TEXTLCD_ADAPTER:
textLCD.setScreenIndex(0)
textLCD.setScreenSize(TextLCD_ScreenSize.PHIDGET_TEXTLCD_SCREEN_2x8)
print("Writing to first row....")
textLCD.setDisplayString(0, "Row 1")
sleep(2)
print("Writing to second row....")
textLCD.setDisplayString(1, "Row 2")
sleep(2)
print("Adjusting contrast up....")
textLCD.setContrast(255)
sleep(2)
print("Adjusting contrast down....")
textLCD.setContrast(110)
