Some typo fixes to make debug related methods in LPCAppOject stop throwing exceptions, less agressive error message when unplugging LPC
import serial
import exceptions
from threading import Lock
import time
class LPCProtoError(exceptions.Exception):
"""Exception class"""
def __init__(self, msg):
self.msg = msg
def __str__(self):
return "Exception in PLC protocol : " + str(self.msg)
class LPCProto:
def __init__(self, port, rate, timeout):
# serialize access lock
self.TransactionLock = Lock()
if BMZ_DBG:
# Debugging serial stuff
self._serialPort = serial.Serial( port, rate, timeout = timeout, writeTimeout = timeout )
class myser:
def readline(self_):
res = self._serialPort.readline()
print 'Recv :"', res, '"'
return res
def read(self_,cnt):
res = self._serialPort.read(cnt)
if len(res) > 16:
print "Recv :", map(hex,map(ord,res[:16])), "[...]"
else:
print "Recv :", map(hex,map(ord,res))
return res
def write(self_, string):
lstr=len(string)
if lstr > 16:
print "Send :", map(hex,map(ord,string[:16])), "[...]"
else:
print "Send :", map(hex,map(ord,string))
return self._serialPort.write(string)
# while len(string)>0:
# i = self._serialPort.write(string[:4096])
# print ".",
# string = string[i:]
# print
#return lstr
def flush(self_):
return self._serialPort.flush()
def close(self_):
self._serialPort.close()
self.serialPort = myser()
else:
# open serial port
self.serialPort = serial.Serial( port, rate, timeout = timeout )
# start with empty buffer
self.serialPort.flush()
def __del__(self):
if self.serialPort:
self.serialPort.close()
def close(self):
self.serialPort.close()
self.serialPort = None