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zmq2serial.py
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zmq2serial.py
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import serial,zmq,unittest,threading,sys,time
def run(port, serialport):
s=serial.Serial(serialport, 115200, timeout=0.5)
context = zmq.Context()
socket = context.socket(zmq.PAIR)
socket.bind("tcp://*:%s" % port)
while True:
serin=s.readline()
if len(serin)>0:
print 'serin', serin
socket.send(serin)
try:
zmqin=socket.recv(flags=zmq.NOBLOCK)
if 'exit\r\n' in zmqin:
break
elif len(zmqin)>0:
print 'zmqin', zmqin
s.write(zmqin)
except zmq.ZMQError:
pass
s.close()
class Test(unittest.TestCase):
def test(self):
context = zmq.Context()
socket = context.socket(zmq.PAIR)
th=threading.Thread(target=run,args=(19000, '/dev/ttyUSB0'))
th.start()
socket.connect("tcp://{0}:{1}".format('localhost', 19000))
socket.send('test1')
socket.send('test2')
socket.send('ping\r\n')
time.sleep(2)
for i in range(5):
print i
try:
print socket.recv(flags=zmq.NOBLOCK)
except:
print 'err'
time.sleep(1)
socket.send('exit\r\n')
th.join()
print 'done'
if __name__ == '__main__':
if len(sys.argv)==1:
unittest.main()
else:
run(sys.argv[1], sys.argv[2])