def GetDiscreteInputs(self, addr, qty):
"""Return qty discrete input values as a packed binary string.
If qty is not a multiple of 8, the remainder of the string will
be padded with zeros.
addr (integer) - Discrete input address.
qty (integer) - Number of discrete inputs desired.
Returns a packed binary string.
"""
return ModbusDataLib.boollist2bin(self._DiscInputs[addr:addr + qty])
def GetCoils(self, addr, qty):
"""Return qty coil values as a packed binary string.
If qty is not a multiple of 8, the remainder of the string will
be padded with zeros.
addr (integer) - Coil address.
qty (integer) - Number of coils desired.
Returns a packed binary string.
"""
return ModbusDataLib.boollist2bin(self._Coils[addr:addr + qty])
def _GetInputRegistersOverlay(self, addr, qty):
"""Same as GetInputRegisters, except for register overlay option.
The discrete inputs appear to be packed into input registers 0 to 4095.
"""
if addr > 4095:
return self._GetInputRegisters(addr, qty)
else:
binstr = ModbusDataLib.boollist2bin(self._DiscInputs[addr * 16 : (addr + qty) * 16])
return ModbusDataLib.swapbytes(binstr)
def _GetHoldingRegistersOverlay(self, addr, qty):
"""Same as GetHoldingRegisters, except for register overlay option.
The coils appear to be packed into holding registers 0 to 4095.
"""
if addr > 4095:
return self._GetHoldingRegisters(addr, qty)
else:
binstr = ModbusDataLib.boollist2bin(self._Coils[addr * 16 : (addr + qty) * 16])
return ModbusDataLib.swapbytes(binstr)
def GetDiscreteInputs(self, addr, qty):
"""Return qty discrete input values as a packed binary string.
If qty is not a multiple of 8, the remainder of the string will
be padded with zeros.
addr (integer) - Discrete input address.
qty (integer) - Number of discrete inputs desired.
Returns a packed binary string.
"""
return ModbusDataLib.boollist2bin(self._DiscInputs[addr : addr + qty])
def GetCoils(self, addr, qty):
"""Return qty coil values as a packed binary string.
If qty is not a multiple of 8, the remainder of the string will
be padded with zeros.
addr (integer) - Coil address.
qty (integer) - Number of coils desired.
Returns a packed binary string.
"""
return ModbusDataLib.boollist2bin(self._Coils[addr : addr + qty])
def _GetInputRegistersOverlay(self, addr, qty):
"""Same as GetInputRegisters, except for register overlay option.
The discrete inputs appear to be packed into input registers 0 to 4095.
"""
if (addr > 4095):
return self._GetInputRegisters(addr, qty)
else:
binstr = ModbusDataLib.boollist2bin(
self._DiscInputs[addr * 16:(addr + qty) * 16])
return ModbusDataLib.swapbytes(binstr)
def _GetHoldingRegistersOverlay(self, addr, qty):
"""Same as GetHoldingRegisters, except for register overlay option.
The coils appear to be packed into holding registers 0 to 4095.
"""
if (addr > 4095):
return self._GetHoldingRegisters(addr, qty)
else:
binstr = ModbusDataLib.boollist2bin(
self._Coils[addr * 16:(addr + qty) * 16])
return ModbusDataLib.swapbytes(binstr)