def checkFrame(self):
''' Check and decode the next frame
:returns: True if we successful, False otherwise
'''
start = self.__buffer.find(self.__start)
if start == -1: return False
if start > 0 : # go ahead and skip old bad data
self.__buffer = self.__buffer[start:]
start = 0
end = self.__buffer.find(self.__end)
if (end != -1):
self.__header['len'] = end
self.__header['uid'] = int(self.__buffer[1:3], 16)
self.__header['lrc'] = int(self.__buffer[end - 2:end], 16)
data = a2b_hex(self.__buffer[start + 1:end - 2])
return checkLRC(data, self.__header['lrc'])
return False
def checkFrame(self):
''' Check and decode the next frame
:returns: True if we successful, False otherwise
'''
start = self.__buffer.find(self.__start)
if start == -1: return False
if start > 0: # go ahead and skip old bad data
self.__buffer = self.__buffer[start:]
start = 0
end = self.__buffer.find(self.__end)
if (end != -1):
self.__header['len'] = end
self.__header['uid'] = int(self.__buffer[1:3], 16)
self.__header['lrc'] = int(self.__buffer[end - 2:end], 16)
data = a2b_hex(self.__buffer[start + 1:end - 2])
return checkLRC(data, self.__header['lrc'])
return False
def testLongitudinalRedundancyCheck(self):
''' Test the longitudinal redundancy check code '''
self.assertTrue(checkLRC(self.data, 0x1c))
self.assertTrue(checkLRC(self.string, 0x0c))
def testLongitudinalRedundancyCheck(self):
''' Test the longitudinal redundancy check code '''
self.assertTrue(checkLRC(self.data, 0x1c))
self.assertTrue(checkLRC(self.string, 0x0c))