def _clean_response(self, r):
# print len(r)
handshake = r[:4]
#print handshake,handshake=='a'+DLE+'0'+STX
if handshake == 'a' + DLE + '0' + STX:
chksum = computeBCC(r[4:-1])
#print 'a={} b={} c={} d={}'.format(chksum, ord(r[-1]), chr(chksum),chr(chksum) == r[-1])
if chr(chksum) == r[-1]:
return r[8:-2]
def _clean_response(self, r):
# print len(r)
handshake = r[:4]
#print handshake,handshake=='a'+DLE+'0'+STX
if handshake == 'a' + DLE + '0' + STX:
chksum = computeBCC(r[4:-1])
#print 'a={} b={} c={} d={}'.format(chksum, ord(r[-1]), chr(chksum),chr(chksum) == r[-1])
if chr(chksum) == r[-1]:
return r[8:-2]
def _build_command(self, start_addr, values):
if isinstance(start_addr, int):
start_addr = '{:04X}'.format(start_addr)
if isinstance(values, int):
values = (values,)
# values = ('{:04X}'.format(values),)
values = list(map('{:04X}'.format, values))
cmd = start_addr + ''.join(values)
cmd += ETX
BCC = computeBCC(cmd)
cmd = STX + cmd + chr(BCC)
return cmd
def _build_command(self, start_addr, values):
if isinstance(start_addr, int):
start_addr = '{:04X}'.format(start_addr)
if isinstance(values, int):
values = (values,)
# values = ('{:04X}'.format(values),)
values = map('{:04X}'.format, values)
cmd = start_addr + ''.join(values)
cmd += ETX
BCC = computeBCC(cmd)
cmd = STX + cmd + chr(BCC)
return cmd