welttv/tty2newsml
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More debugging.

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This commit is contained in:
Markus Birth 2014-09-09 17:56:32 +02:00
parent 182575f41f
commit 509dc9eb11
2 changed files with 20 additions and 17 deletions
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5
IPTCMessage.py
View File

@ -2,8 +2,9 @@
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
class IPTCMessage(object): class IPTCMessage(object):
def __init__(self): def __init__(self, raw):
print("Hello world!") self.raw = raw
print("Message: %s" % repr(self.raw))
if __name__=='__main__': if __name__=='__main__':
print("Testmode!") print("Testmode!")

32
tty2newsml.py
View File

@ -6,34 +6,36 @@ import IPTCMessage
class _main(object): class _main(object):
def __init__(self, port='/dev/tty706'): def __init__(self, port='/dev/tty706'):
self.openPort(port) ser = self.openPort(port)
while True: while True:
msg = self.waitForStart() msg = self.waitForStart(ser)
msg += self.readUntilEOM() msg += self.readUntilEOM(ser)
print("This is the message: %s" % repr(msg)) iptc = IPTCMessage(msg)
def openPort(self, port): def openPort(self, port):
self.port = serial.Serial(port, baudrate=4800, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=None) ser = serial.Serial(port=port, baudrate=4800, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=None)
print("%s opened with %i baud. Timeout is %s seconds." % (self.port.name, self.port.baudrate, self.port.timeout)) print("%s opened with %i baud. Timeout is %s seconds." % (ser.name, ser.baudrate, ser.timeout))
return ser
def waitForStart(self): def waitForStart(self, ser):
print("Waiting for start indicator: ", end='', flush=True) print("Waiting for start indicator (%i): " % ser.inWaiting(), end='', flush=True)
while True: while True:
byte = self.port.read() byte = ser.read(size=1)
print(".", end='', flush=True) print(".", end='', flush=True)
if byte == b'\x01': if byte == b'\x01':
print("Found.") print("Found.")
return byte return byte
def readUntilEOM(self): def readUntilEOM(self, ser):
print("Reading data until EOM.", end='', flush=True) print("Reading data until EOM.", end='', flush=True)
msg = b'' msg = b''
ctr = 0 ctr = 0
while True: while True:
byte = self.port.read() print("%i>" % ser.inWaiting(), end='', flush=True)
byte = ser.read(size=1)
ctr+=1 ctr+=1
if ctr % 10 is 0: # if ctr % 10 is 0:
print(".", end='', flush=True) print(".", end='', flush=True)
if byte == b'\x01': if byte == b'\x01':
print("PROBLEM: Got start indicator, but message not yet finished.") print("PROBLEM: Got start indicator, but message not yet finished.")
break break
@ -43,8 +45,8 @@ class _main(object):
print("Got %i bytes." % len(msg)) print("Got %i bytes." % len(msg))
return msg return msg
def readLine(self): def readLine(self, ser):
rcv = self.port.readline() rcv = ser.readline()
print("Got: %s" % repr(rcv)) print("Got: %s" % repr(rcv))
if __name__=='__main__': if __name__=='__main__':