class SerialMessagesInterface(threading.Thread):
def __init__(self,
callback,
verbose=False,
device='/dev/ttyUSB0',
baudrate=115200,
msg_class='telemetry'):
threading.Thread.__init__(self)
self.callback = callback
self.verbose = verbose
self.msg_class = msg_class
self.running = True
try:
self.ser = serial.Serial(device, baudrate, timeout=1.0)
except serial.SerialException:
print("Error: unable to open serial port '%s'" % device)
exit(0)
self.trans = PprzTransport(msg_class)
def stop(self):
print("End thread and close serial link")
self.running = False
self.ser.close()
def shutdown(self):
self.stop()
def __del__(self):
try:
self.ser.close()
except:
pass
def send(self, msg, sender_id):
""" Send a message over a serial link"""
if isinstance(msg, PprzMessage):
data = self.trans.pack_pprz_msg(sender_id, msg)
self.ser.write(data)
self.ser.flush()
def run(self):
"""Thread running function"""
try:
while self.running:
# Parse incoming data
c = self.ser.read(1)
if len(c) == 1:
if self.trans.parse_byte(c):
(sender_id, msg) = self.trans.unpack()
if self.verbose:
print("New incoming message '%s' from %i" %
(msg.name, sender_id))
# Callback function on new message
self.callback(sender_id, msg)
except StopIteration:
pass
class SerialMessagesInterface(threading.Thread):
def __init__(self, callback, verbose=False, device='/dev/ttyUSB0', baudrate=115200,
msg_class='telemetry'):
threading.Thread.__init__(self)
self.callback = callback
self.verbose = verbose
self.msg_class = msg_class
self.running = True
try:
self.ser = serial.Serial(device, baudrate, timeout=1.0)
except serial.SerialException:
print("Error: unable to open serial port '%s'" % device)
exit(0)
self.trans = PprzTransport(msg_class)
def stop(self):
print("End thread and close serial link")
self.running = False
self.ser.close()
def shutdown(self):
self.stop()
def __del__(self):
try:
self.ser.close()
except:
pass
def send(self, msg, sender_id):
""" Send a message over a serial link"""
if isinstance(msg, PprzMessage):
data = self.trans.pack_pprz_msg(sender_id, msg)
self.ser.write(data)
self.ser.flush()
def run(self):
"""Thread running function"""
try:
while self.running:
# Parse incoming data
c = self.ser.read(1)
if len(c) == 1:
if self.trans.parse_byte(c):
(sender_id, msg) = self.trans.unpack()
if self.verbose:
print("New incoming message '%s' from %i" % (msg.name, sender_id))
# Callback function on new message
self.callback(sender_id, msg)
except StopIteration:
pass
def __init__(self,
callback,
verbose=False,
device='/dev/ttyUSB0',
baudrate=115200,
msg_class='telemetry'):
threading.Thread.__init__(self)
self.callback = callback
self.verbose = verbose
self.msg_class = msg_class
self.running = True
try:
self.ser = serial.Serial(device, baudrate, timeout=1.0)
except serial.SerialException:
print("Error: unable to open serial port '%s'" % device)
exit(0)
self.trans = PprzTransport(msg_class)
def __init__(self, callback, verbose=False, device='/dev/ttyUSB0', baudrate=115200,
msg_class='telemetry'):
threading.Thread.__init__(self)
self.callback = callback
self.verbose = verbose
self.msg_class = msg_class
self.running = True
try:
self.ser = serial.Serial(device, baudrate, timeout=1.0)
except serial.SerialException:
print("Error: unable to open serial port '%s'" % device)
exit(0)
self.trans = PprzTransport(msg_class)
