Python BinaryPayloadBuilder.add_string方法代码示例

# 需要导入模块: from pymodbus.payload import BinaryPayloadBuilder [as 别名]
# 或者: from pymodbus.payload.BinaryPayloadBuilder import add_string [as 别名]
def run_payload_server():
    # ----------------------------------------------------------------------- #
    # build your payload
    # ----------------------------------------------------------------------- #
    builder = BinaryPayloadBuilder(byteorder=Endian.Little,
                                   wordorder=Endian.Little)
    builder.add_string('abcdefgh')
    builder.add_bits([0, 1, 0, 1, 1, 0, 1, 0])
    builder.add_8bit_int(-0x12)
    builder.add_8bit_uint(0x12)
    builder.add_16bit_int(-0x5678)
    builder.add_16bit_uint(0x1234)
    builder.add_32bit_int(-0x1234)
    builder.add_32bit_uint(0x12345678)
    builder.add_32bit_float(22.34)
    builder.add_32bit_float(-22.34)
    builder.add_64bit_int(-0xDEADBEEF)
    builder.add_64bit_uint(0x12345678DEADBEEF)
    builder.add_64bit_uint(0xDEADBEEFDEADBEED)
    builder.add_64bit_float(123.45)
    builder.add_64bit_float(-123.45)

    
    # ----------------------------------------------------------------------- #
    # use that payload in the data store
    # ----------------------------------------------------------------------- #
    # Here we use the same reference block for each underlying store.
    # ----------------------------------------------------------------------- #
    
    block = ModbusSequentialDataBlock(1, builder.to_registers())
    store = ModbusSlaveContext(di=block, co=block, hr=block, ir=block)
    context = ModbusServerContext(slaves=store, single=True)
    
    # ----------------------------------------------------------------------- #
    # initialize the server information
    # ----------------------------------------------------------------------- #
    # If you don't set this or any fields, they are defaulted to empty strings.
    # ----------------------------------------------------------------------- #
    identity = ModbusDeviceIdentification()
    identity.VendorName = 'Pymodbus'
    identity.ProductCode = 'PM'
    identity.VendorUrl = 'http://github.com/bashwork/pymodbus/'
    identity.ProductName = 'Pymodbus Server'
    identity.ModelName = 'Pymodbus Server'
    identity.MajorMinorRevision = '1.5'
    # ----------------------------------------------------------------------- #
    # run the server you want
    # ----------------------------------------------------------------------- #
    StartTcpServer(context, identity=identity, address=("localhost", 5020))

# 需要导入模块: from pymodbus.payload import BinaryPayloadBuilder [as 别名]
# 或者: from pymodbus.payload.BinaryPayloadBuilder import add_string [as 别名]
 def testBigEndianPayloadBuilder(self):
     ''' Test basic bit message encoding/decoding '''
     builder = BinaryPayloadBuilder(endian=Endian.Big)
     builder.add_8bit_uint(1)
     builder.add_16bit_uint(2)
     builder.add_32bit_uint(3)
     builder.add_64bit_uint(4)
     builder.add_8bit_int(-1)
     builder.add_16bit_int(-2)
     builder.add_32bit_int(-3)
     builder.add_64bit_int(-4)
     builder.add_32bit_float(1.25)
     builder.add_64bit_float(6.25)
     builder.add_string(b'test')
     builder.add_bits(self.bitstring)
     self.assertEqual(self.big_endian_payload, builder.to_string())

# 需要导入模块: from pymodbus.payload import BinaryPayloadBuilder [as 别名]
# 或者: from pymodbus.payload.BinaryPayloadBuilder import add_string [as 别名]
 def testLittleEndianPayloadBuilder(self):
     ''' Test basic bit message encoding/decoding '''
     builder = BinaryPayloadBuilder(endian=Endian.Little)
     builder.add_8bit_uint(1)
     builder.add_16bit_uint(2)
     builder.add_32bit_uint(3)
     builder.add_64bit_uint(4)
     builder.add_8bit_int(-1)
     builder.add_16bit_int(-2)
     builder.add_32bit_int(-3)
     builder.add_64bit_int(-4)
     builder.add_32bit_float(1.25)
     builder.add_64bit_float(6.25)
     builder.add_string('test')
     builder.add_bits(self.bitstring)
     self.assertEqual(self.little_endian_payload, str(builder))

# 需要导入模块: from pymodbus.payload import BinaryPayloadBuilder [as 别名]
# 或者: from pymodbus.payload.BinaryPayloadBuilder import add_string [as 别名]
 def testLittleEndianPayloadBuilder(self):
     """ Test basic bit message encoding/decoding """
     builder = BinaryPayloadBuilder(byteorder=Endian.Little,
                                    wordorder=Endian.Little)
     builder.add_8bit_uint(1)
     builder.add_16bit_uint(2)
     builder.add_32bit_uint(3)
     builder.add_64bit_uint(4)
     builder.add_8bit_int(-1)
     builder.add_16bit_int(-2)
     builder.add_32bit_int(-3)
     builder.add_64bit_int(-4)
     builder.add_32bit_float(1.25)
     builder.add_64bit_float(6.25)
     builder.add_16bit_uint(1)      # placeholder
     builder.add_string(b'test')
     builder.add_bits(self.bitstring)
     self.assertEqual(self.little_endian_payload, builder.to_string())

# 需要导入模块: from pymodbus.payload import BinaryPayloadBuilder [as 别名]
# 或者: from pymodbus.payload.BinaryPayloadBuilder import add_string [as 别名]
# ---------------------------------------------------------------------------#
# If you need to build a complex message to send, you can use the payload
# builder to simplify the packing logic.
#
# Here we demonstrate packing a random payload layout, unpacked it looks
# like the following:
#
# - a 8 byte string 'abcdefgh'
# - a 32 bit float 22.34
# - a 16 bit unsigned int 0x1234
# - an 8 bit int 0x12
# - an 8 bit bitstring [0,1,0,1,1,0,1,0]
# ---------------------------------------------------------------------------#
builder = BinaryPayloadBuilder(endian=Endian.Little)
builder.add_string("abcdefgh")
builder.add_32bit_float(22.34)
builder.add_16bit_uint(0x1234)
builder.add_8bit_int(0x12)
builder.add_bits([0, 1, 0, 1, 1, 0, 1, 0])
payload = builder.build()
address = 0x01
result = client.write_registers(address, payload, skip_encode=True)

# ---------------------------------------------------------------------------#
# If you need to decode a collection of registers in a weird layout, the
# payload decoder can help you as well.
#
# Here we demonstrate decoding a random register layout, unpacked it looks
# like the following:
#

# 需要导入模块: from pymodbus.payload import BinaryPayloadBuilder [as 别名]
# 或者: from pymodbus.payload.BinaryPayloadBuilder import add_string [as 别名]
def run_binary_payload_ex():
    # ----------------------------------------------------------------------- #
    # We are going to use a simple client to send our requests
    # ----------------------------------------------------------------------- #
    client = ModbusClient('127.0.0.1', port=5440)
    client.connect()
    
    # ----------------------------------------------------------------------- #
    # If you need to build a complex message to send, you can use the payload
    # builder to simplify the packing logic.
    #
    # Here we demonstrate packing a random payload layout, unpacked it looks
    # like the following:
    #
    # - a 8 byte string 'abcdefgh'
    # - a 32 bit float 22.34
    # - a 16 bit unsigned int 0x1234
    # - another 16 bit unsigned int 0x5678
    # - an 8 bit int 0x12
    # - an 8 bit bitstring [0,1,0,1,1,0,1,0]
    # - an 32 bit uint 0x12345678
    # - an 32 bit signed int -0x1234
    # - an 64 bit signed int 0x12345678

    # The packing can also be applied to the word (wordorder) and bytes in each
    # word (byteorder)

    # The wordorder is applicable only for 32 and 64 bit values
    # Lets say we need to write a value 0x12345678 to a 32 bit register

    # The following combinations could be used to write the register

    # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ #
    # Word Order - Big                      Byte Order - Big
    # word1 =0x1234 word2 = 0x5678

    # Word Order - Big                      Byte Order - Little
    # word1 =0x3412 word2 = 0x7856

    # Word Order - Little                   Byte Order - Big
    # word1 = 0x5678 word2 = 0x1234

    # Word Order - Little                   Byte Order - Little
    # word1 =0x7856 word2 = 0x3412
    # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ #

    # ----------------------------------------------------------------------- #
    builder = BinaryPayloadBuilder(byteorder=Endian.Little,
                                   wordorder=Endian.Big)
    builder.add_string('abcdefgh')
    builder.add_32bit_float(22.34)
    builder.add_16bit_uint(0x1234)
    builder.add_16bit_uint(0x5678)
    builder.add_8bit_int(0x12)
    builder.add_bits([0, 1, 0, 1, 1, 0, 1, 0])
    builder.add_32bit_uint(0x12345678)
    builder.add_32bit_int(-0x1234)
    builder.add_64bit_int(0x1234567890ABCDEF)
    payload = builder.build()
    address = 0
    client.write_registers(address, payload, skip_encode=True, unit=1)
    # ----------------------------------------------------------------------- #
    # If you need to decode a collection of registers in a weird layout, the
    # payload decoder can help you as well.
    #
    # Here we demonstrate decoding a random register layout, unpacked it looks
    # like the following:
    #
    # - a 8 byte string 'abcdefgh'
    # - a 32 bit float 22.34
    # - a 16 bit unsigned int 0x1234
    # - another 16 bit unsigned int which we will ignore
    # - an 8 bit int 0x12
    # - an 8 bit bitstring [0,1,0,1,1,0,1,0]
    # ----------------------------------------------------------------------- #
    address = 0x00
    count = len(payload)
    result = client.read_holding_registers(address, count,  unit=1)
    print("-" * 60)
    print("Registers")
    print("-" * 60)
    print(result.registers)
    print("\n")
    decoder = BinaryPayloadDecoder.fromRegisters(result.registers,
                                                 byteorder=Endian.Little,
                                                 wordorder=Endian.Big)
    decoded = {
        'string': decoder.decode_string(8),
        'float': decoder.decode_32bit_float(),
        '16uint': decoder.decode_16bit_uint(),
        'ignored': decoder.skip_bytes(2),
        '8int': decoder.decode_8bit_int(),
        'bits': decoder.decode_bits(),
        "32uints": decoder.decode_32bit_uint(),
        "32ints": decoder.decode_32bit_int(),
        "64ints": decoder.decode_64bit_int(),
    }
    
    print("-" * 60)
    print("Decoded Data")
#.........这里部分代码省略.........

# 需要导入模块: from pymodbus.payload import BinaryPayloadBuilder [as 别名]
# 或者: from pymodbus.payload.BinaryPayloadBuilder import add_string [as 别名]
#---------------------------------------------------------------------------# 
# If you need to build a complex message to send, you can use the payload
# builder to simplify the packing logic.
#
# Here we demonstrate packing a random payload layout, unpacked it looks
# like the following:
#
# - a 8 byte string 'abcdefgh'
# - a 32 bit float 22.34
# - a 16 bit unsigned int 0x1234
# - an 8 bit int 0x12
# - an 8 bit bitstring [0,1,0,1,1,0,1,0]
#---------------------------------------------------------------------------# 
builder = BinaryPayloadBuilder(endian=Endian.Little)
builder.add_string('abcdefgh')
builder.add_32bit_float(22.34)
builder.add_16bit_uint(0x1234)
builder.add_8bit_int(0x12)
builder.add_bits([0,1,0,1,1,0,1,0])
payload = builder.build()
address = 0x01
result  = client.write_registers(address, payload, skip_encode=True)

#---------------------------------------------------------------------------# 
# If you need to decode a collection of registers in a weird layout, the
# payload decoder can help you as well.
#
# Here we demonstrate decoding a random register layout, unpacked it looks
# like the following:
#