Skip to content

Fix binary framer and add start and end tokens #5

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
bashwork merged 1 commit into from Mar 30, 2012
+3 −2
Merged

Fix binary framer and add start and end tokens #5

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion pymodbus/transaction.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -742,6 +742,7 @@ def buildPacket(self, message):
message.unit_id,
message.function_code) + data
packet += struct.pack(">H", computeCRC(packet))
packet = '%s%s%s' % (self.__start, packet, self.__end)
return packet

def _preflight(self, data):
Expand All @@ -755,7 +756,7 @@ def _preflight(self, data):
'''
def _filter(a):
if a in ['}', '{']: return a * 2
else: return a, data
else: return a
return ''.join(map(_filter, data))

#---------------------------------------------------------------------------#
Expand Down
2 changes: 1 addition & 1 deletion test/test_transaction.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -340,7 +340,7 @@ def testBinaryFramerPacket(self):
message = ModbusRequest()
message.unit_id = 0xff
message.function_code = 0x01
expected = '\xff\x01\x81\x80'
expected = '\x7b\xff\x01\x81\x80\x7d'
actual = self._binary.buildPacket(message)
self.assertEqual(expected, actual)
ModbusRequest.encode = old_encode
Expand Down