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ModbusSlaveCardAcquisition.py
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ModbusSlaveCardAcquisition.py
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#!/usr/bin/env python
##
# @package ModbusSlaveCardAcquisition Module contains the code to communicate with the slave card and
# get the controller data
#
import logging
from ModbusConsts import ModbusConsts
from SerialConnection import SerialConnection
from LoraConnection import LoraConnection
import time
import Status
class ModbusSlaveCardAcquisition:
LOG = logging.getLogger( __name__ )
##
#
def querySlaveCard( self, modbusDevice, ser, devIndex ):
devType = modbusDevice.get( ModbusConsts.DEVICE_TYPE )
if devType == ModbusConsts.DEVICE_TYPE_DELTA:
return self.getDelta(modbusDevice, ser, devIndex)
elif devType == ModbusConsts.DEVICE_TYPE_SLAVE_SENSOR:
pass
elif devType == ModbusConsts.DEVICE_TYPE_ABB33:
return self.getAbb_33(modbusDevice, ser, devIndex)
elif devType == ModbusConsts.DEVICE_TYPE_ABB100:
return self.getAbb_100(modbusDevice, ser, devIndex)
##
#
def getAbb( self, modbusDevice, devIndex ):
pass
##
#
def getSensorData( self, modbusDevice, ser, devIndex ):
numberOfData =[32]
funId = [ 4 ]
sor = [ 0 ]
response = {}
for i in range( 0, 10 ):
slaveCardId = modbusDevice.get( ModbusConsts.SLAVE_CARD_ID )
invId = ("%02X"%slaveCardId).upper()
command = str( i ).zfill( 2 )
queryString = "$" + invId + "DF" + command + "#"
ser.write( queryString )
time.sleep( 0.008 )
ser.flushOutput()
time.sleep( 2 )
size = ser.inWaiting()
data = ser.readline()
valData = None
if "?" in data and "!" in data and queryString in data:
data = data[data.find('?')+1 : data.find('!')]
if("NRSP" in data):
strUpload +="<QRY"+str(i)+" V='NO RESPONSE'/>"
recCount = 5
pass
if("IRSP" in data):
strUpload +="<QRY"+str(i)+" V='INVALID RESPONSE'/>"
recCount = 5
pass
if(len(data) == numberOfData[i]+8):
valData = data.replace( queryString, "" )
if valData is None:
Status.modbusDevStatus[ devIndex ] += 1
else:
Status.modbusDevStatus[ devIndex ] = 0
respKey = "%02X"%funId[ i ] + "%04X"%sor[ i ]
response[ respKey ] = data
ser.close()
return response
##
#
def getDelta( self, modbusDevice, ser, devIndex ):
numberOfData =[32,76,72,52,48,20,44,12,96,40]
funId = [ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 ]
sor = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ]
response = {}
ser = None
for i in range( 0, 10 ):
slaveCardId = modbusDevice.get(ModbusConsts.CONN_PARAMS).get( ModbusConsts.SLAVE_CARD_ID )
invId = ("%02X"%int(slaveCardId)).upper()
command = str( i ).zfill( 2 )
queryStr = invId + "DF" + command
queryString = "$" + invId + "DF" + command + "#"
ser.write( queryString.encode() )
time.sleep( 0.008 )
ser.flushOutput()
time.sleep( 2 )
size = ser.inWaiting()
data = ser.read(size)
data = data.decode('utf-8')
valData = None
if '?' in data and '!' in data and queryStr in data:
data = data[data.find('?')+1 : data.find('!')]
if("NRSP" in data):
strUpload +="<QRY"+str(i)+" V='NO RESPONSE'/>"
recCount = 5
pass
if("IRSP" in data):
strUpload +="<QRY"+str(i)+" V='INVALID RESPONSE'/>"
recCount = 5
pass
if(len(data) == numberOfData[i]+8):
valData = data.replace( queryStr, "" )
valData = valData[2:]
if valData is None:
Status.modbusDevStatus[ devIndex ] += 1
else:
Status.modbusDevStatus[ devIndex ] = 0
respKey = "%02X"%funId[ i ] + "_" + "%04X"%sor[ i ]
response[ respKey ] = bytearray.fromhex( valData )
ser.close()
return response
##
#
def getAbb_33( self, modbusDevice,ser, devIndex ):
# numberOfData =[32,76,72,52,48,20,44,12,96,40]
funId = [ 4, 4, 4, 4, 4 ]
sor = [ 0, 1, 2, 3, 4 ]
response = {}
print('Querying Device: ', modbusDevice)
for i in range( 0, 5 ):
slaveCardId = modbusDevice.get(ModbusConsts.CONN_PARAMS).get( ModbusConsts.SLAVE_CARD_ID )
invId = ("%02X"%int(slaveCardId)).upper()
command = str( i ).zfill( 2 )
queryStr = invId + "DF" + command
queryString = "$" + invId + "DF" + command + "#"
ser.write( queryString.encode() )
time.sleep( 0.008 )
ser.flushOutput()
time.sleep( 2 )
size = ser.inWaiting()
data = ser.read(size)
data = data.decode('utf-8')
valData = None
if '?' in data and '!' in data and queryStr in data:
data = data[data.find('>')+1 : data.find('!')]
if i == 0:
data = data[:data.find('<')]
print(data)
if("NRSP" in data):
strUpload +="<QRY"+str(i)+" V='NO RESPONSE'/>"
recCount = 5
pass
if("IRSP" in data):
strUpload +="<QRY"+str(i)+" V='INVALID RESPONSE'/>"
recCount = 5
pass
valData = data.replace( " ", "" )
if valData is None:
Status.modbusDevStatus[ devIndex ] += 1
else:
Status.modbusDevStatus[ devIndex ] = 0
respKey = "%02X"%funId[ i ] + "_" + "%04X"%sor[ i ]
response[ respKey ] = None if valData is None else bytearray.fromhex(valData)
ser.close()
return response
##
#
def getAbb_100( self, modbusDevice,ser, devIndex ):
numberOfData =[32,76,72,52,48,20,44,12,96,40]
funId = [ 4, 4, 4, 4, 4 ]
sor = [ 0, 1, 2, 3, 4 ]
response = {}
for i in range( 0, 5 ):
slaveCardId = modbusDevice.get(ModbusConsts.CONN_PARAMS).get( ModbusConsts.SLAVE_CARD_ID )
invId = ("%02X"%int(slaveCardId)).upper()
command = str( i ).zfill( 2 )
queryStr = invId + "DF" + command
queryString = "$" + invId + "DF" + command + "#"
ser.write( queryString.encode() )
time.sleep( 0.008 )
ser.flushOutput()
time.sleep( 2 )
size = ser.inWaiting()
data = ser.read(size)
data = data.decode('utf-8')
valData = None
if '?' in data and '!' in data and queryStr in data:
data = data[data.find('>')+1 : data.find('!')]
if i == 0:
data = data[:data.find('<')]
print(data)
if("NRSP" in data):
strUpload +="<QRY"+str(i)+" V='NO RESPONSE'/>"
recCount = 5
pass
if("IRSP" in data):
strUpload +="<QRY"+str(i)+" V='INVALID RESPONSE'/>"
recCount = 5
pass
valData = data.replace( " ", "" )
if valData is None:
Status.modbusDevStatus[ devIndex ] += 1
else:
Status.modbusDevStatus[ devIndex ] = 0
respKey = "%02X"%funId[ i ] + "_" + "%04X"%sor[ i ]
response[ respKey ] = None if valData is None else bytearray.fromhex(valData)
ser.close()
return response