Beopardy-Style buttonreader

buttonreader.py

@@ -68,6 +68,56 @@ class SerialInput(BaseInput):
 
 _add_input("Serial", SerialInput)
 
+class BeopardySerialInput(BaseInput):
+	def __init__(self, app, device, baudrate=9600, bytesize=8, parity='N', stopbits=1):
+		super(BeopardySerialInput, self).__init__(app)
+		try:
+			self._serial = serial.Serial(device, baudrate, bytesize, parity, stopbits)
+		except serial.SerialException as e:
+			raise InputException("Error: %s" % e)
+
+		# playerDict
+		self._playerDict = {
+			'a': 1,
+			'b': 2,
+			'c': 3,
+			'd': 4,
+		}
+
+		print(" >> serial %s initialized with rate %s %s%s%s" % (device, baudrate, bytesize, parity, stopbits))
+
+	def run(self):
+		while True:
+			c = self._serial.read(1)
+			#print("serial: read ", c)
+			if len(c) == 1 and c in self._playerDict:
+				#print("sending button event ", c, " ", self._playerDict[c])
+				self._sendButtonEvent(self._playerDict[c])
+
+	@QtCore.Slot(bool)
+	def buzzersOpen(self, isOpen):
+		self._serial.write("ABCD")
+		#print("serial: ABCD")
+		if isOpen:
+			# buzzers are open now
+			self._serial.write("R")
+			#print("serial: R")
+		else:
+			# tell them that buttons are closed now
+			self._serial.write("r")
+			#print("serial: r")
+
+	@QtCore.Slot(int)
+	def playerGotQuestion(self, playerNo):
+		if not (playerNo >= 1 and playerNo <= 4):
+			return
+
+		self._serial.write(chr(ord('a') + (playerNo-1)))
+		#print("serial: ", chr(ord('a') + (playerNo-1)))
+
+
+_add_input("BeopardySerial", BeopardySerialInput)
+
 class FifoInput(BaseInput):
 	def __init__(self, app, fifoPath, debug=False):
 		super(FifoInput, self).__init__(app)