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dumb test

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This commit is contained in:
Wolfgang Hottgenroth 2020-08-29 13:39:29 +02:00
parent 49d390e6df
commit aa7556e950
Signed by: wn
GPG Key ID: B586EAFCDF2F65F4
1 changed files with 1 additions and 74 deletions
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snippets/snippet1.py
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@ -135,80 +135,7 @@ class MeterbusSerial(object):
print("Waiting for input ... ") print("Waiting for input ... ")
c = self.port.read() c = self.port.read()
print("State {}, Octet {}".format(state, c)) print("State {}, Octet {:02X}".format(state, c))
if state == MeterbusResponseStates.START1:
if c == 0x68:
frameData.append(c)
state = MeterbusResponseStates.LENGTH1
else:
print('Invalid start1 symbol')
state = MeterbusResponseStates.ERROR
elif state == MeterbusResponseStates.LENGTH1:
frameData.append(c)
frame['l'] = c
expectedUserDataOctets = frame['l'] - 3
state = MeterbusResponseStates.LENGTH2
elif state == MeterbusResponseStates.LENGTH2:
frameData.append(c)
if frame['l'] == c:
state = MeterbusResponseStates.START2
else:
print('Invalid length 2 octet')
state = MeterbusResponseStates.ERROR
elif state == MeterbusResponseStates.START2:
frameData.append(c)
if c == 0x68:
frameData.append(c)
state = MeterbusResponseStates.C_FIELD
else:
print('Invalid start2 symbol')
state = MeterbusResponseStates.ERROR
elif state == MeterbusResponseStates.C_FIELD:
frameData.append(c)
frame['c'] = c
state = MeterbusResponseStates.A_FIELD
elif state == MeterbusResponseStates.A_FIELD:
frameData.append(c)
frame['a'] = c
state = MeterbusResponseStates.CI_FIELD
elif state == MeterbusResponseStates.C_FIELD:
frameData.append(c)
frame['ci'] = c
state = MeterbusResponseStates.USERDATA
elif state == MeterbusResponseStates.USERDATA:
frameData.append(c)
frame['userdata'].append(c)
expectedUserDataOctets -= 1
if expectedUserDataOctets == 0:
state = MeterbusResponseStates.CHKSUM
elif state == MeterbusResponseStates.CHKSUM:
frameData.append(c)
responseChksum = c
calculatedChksum = (frame['c'] + frame['a'] + frame['ci'] + sum(frame['userdata'])) & 0x00ff
if responseChksum != calculatedChksum:
print('Invalid checksum {} {}'.format(responseChksum, calculatedChksum))
state = MeterbusResponseStates.ERROR
else:
state = MeterbusResponseStates.STOP
elif state == MeterbusResponseStates.STOP:
frameData.append(c)
if c == 0x16:
state = MeterbusResponseStates.DONE
else:
print('Invalid stop symbol')
state = MeterbusResponseStates.ERROR
else:
print('Invalid state')
state = MeterbusResponseStates.ERROR
print(a2h(frameData))
print(hex(frame['c']))
print(hex(frame['a']))
print(hex(frame['ci']))
print(a2h(frame['userdata']))
return frame