def __init__(self, threadID, name, queue, max_readings, serial_port_builder, port, baud, CustomSerial=None, isFast=True): threading.Thread.__init__(self) self.threadID = threadID self.name = name self.queue = queue self.connected = False self.max_readings = max_readings self.serial_port_builder = serial_port_builder self.port = port self.baudrate = baud self.custom_serial = CustomSerial self.is_stopped = False self.build_serial() self.processor = ATTMatrixHitProcessor() self.isFast = isFast self.publisher = None
class ThreadedSerialReader (threading.Thread):
def __init__(self, threadID, name, queue, max_readings, serial_port_builder, port, baud, CustomSerial=None, isFast=True):
threading.Thread.__init__(self)
self.threadID = threadID
self.name = name
self.queue = queue
self.connected = False
self.max_readings = max_readings
self.serial_port_builder = serial_port_builder
self.port = port
self.baudrate = baud
self.custom_serial = CustomSerial
self.is_stopped = False
self.build_serial()
self.processor = ATTMatrixHitProcessor()
self.isFast = isFast
self.publisher = None
#self.publisher = PikaPublisher("my_queue")
def build_serial(self):
if self.custom_serial != None:
self.serial_port = self.custom_serial
else:
self.serial_port = self.serial_port_builder.build_serial_port(self.port, self.baudrate)
def run(self):
self.write_log("Starting " + self.name)
time.sleep(5)
iterations = 0
while not self.connected and not self.is_stopped:
#time.sleep(0.1)
if (self.serial_port != None and self.serial_port.isOpen()):
while iterations < self.max_readings or self.max_readings == None:
#time.sleep(0.01)
if self.read_and_enqueue() == True:
iterations = iterations + 1
else:
break
else:
time.sleep(0.1)
try:
self.serial_port = self.build_serial()
except Exception:
self.write_log("Error: Check the serial connection or cable, please.")
self.write_log("Exiting " + self.name)
def read_and_enqueue(self):
try:
if self.isFast:
reading = self.serial_port.readline()
else:
reading = self.serial_port.readline(1)
if reading <> "":
if self.publisher <> None:
the_reading = reading + "/" + str(time.time())
self.publisher.publish(the_reading)
hit = self.processor.parse_hit(reading)
self.queue.put(hit)
self.connected = True
self.write_log("Reading from serial: " + reading)
else:
time.sleep(0.1)
pass
except:
self.write_log("Miss!")
self.serial_port.close()
self.connected = False
traceback.print_exc(file=sys.stdout)
return False
return True
def write_log(self, str_message):
print str_message
sys.stdout.flush()
def stop(self):
self.is_stopped = True
def restart(self):
self.is_stopped = False
def pause(self):
self.is_stopped = True
def unpause(self):
self.is_stopped = False
