wn/modbusmaster
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

handling of bit reads

Browse Source
This commit is contained in:
Wolfgang Hottgenroth 2019-07-17 16:26:51 +02:00
parent ac47ff0ebe
commit 0f037b02ea
Signed by: wn
GPG Key ID: 6C1E5E531E0D5D7F
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/RegisterDatapoint.py
View File

@ -170,6 +170,7 @@ class DiscreteInputDatapoint(ReadOnlyDatapoint):
self.argList = self.argList + ['bitCount']
self.type = 'discrete input'
self.bitCount = bitCount
self.lastValues = [None] * self.bitCount
def __str__(self):
return ("[{0!s}, bitCount: {1}"
@ -186,11 +187,12 @@ class DiscreteInputDatapoint(ReadOnlyDatapoint):
if type(result) in [ExceptionResponse, ModbusIOException]:
self.errorCount += 1
raise DatapointException(result)
if not self.updateOnly or (result.bits != self.lastValue):
self.lastValue = result.bits
logger.debug("{0}: {1!s}".format(self.label, result.bits))
if self.publishTopic:
for i in range(self.bitCount):
logger.debug("{0}: raw: {1!s}".format(self.label, result.bits))
for i in range(self.bitCount):
if not self.updateOnly or (result.getBit(i) != self.lastValues[i]):
self.lastValues[i] = result.getBit(i)
logger.debug("{0}, {1}: changed: {2!s}".format(self.label, i, result.getBit(i)))
if self.publishTopic:
pubQueue.put(MqttProcessor.PublishItem("{0}/{1}".format(self.publishTopic, i), str(result.getBit(i))))
self.lastContact = datetime.datetime.now()