Python BinaryPayloadBuilder.add_8bit_int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_8bit_int [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_8bit_int [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_8bit_int [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_8bit_int [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_8bit_int [as 别名]
# 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:
#
# - a 8 byte string 'abcdefgh'
# - a 32 bit float 22.34
# - a 16 bit unsigned int 0x1234

# 需要导入模块: from pymodbus.payload import BinaryPayloadBuilder [as 别名]
# 或者: from pymodbus.payload.BinaryPayloadBuilder import add_8bit_int [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_8bit_int [as 别名]
    def write(self):
        try: 
            lb = 00000000
            hb = 00000000
            #### byte besteht immer aus 16 bits
            for byte in self._db['out']:
                for bit in sorted(self._db['out'][byte]):  
                    if bit in self._db['out'][byte]:
                        bitpos =    bit[0]                                                          #startbit/bitposition des binärwertes
                        type =      bit[1]
                        value =     bit[2]
                        name =      bit[3]
                        bit[2] =    bit[3]()                                                        ##aktueller wert des items abrufen und value updaten!
                        builder = BinaryPayloadBuilder(endian=Endian.Little)

                        ##unterscheidung dateityp
                        if type == '5' or type == '5.001' or type == '6' :                          ##8bit uint / int
                            length = 8
                            if bitpos < 8:  #lb
                                lb = value
                            else:           #hb
                                hb = value
                                
                            if type == '5':
                                builder.add_8bit_uint(lb)
                                builder.add_8bit_uint(hb)
                                #logger.debug('MODBUS: 8bit uint {0} ; {1}'.format(lb,hb)) 
                            elif type == '5.001':                            ##0-100 in 0-255 umwandeln!
                                #print(dpts.en5001(lb))
                                #print(dpts.en5001(hb))
                                
                                lb = self.de5001(lb)
                                hb = self.de5001(hb)
                                #print("lb geschrieben", lb )
                                #print("hb geschrieben", hb )
                                builder.add_8bit_uint(lb)
                                builder.add_8bit_uint(hb)
                                #logger.debug('MODBUS: 8bit uint {0} ; {1}'.format(lb,hb)) 
                            elif type == '6':
                                if lb > 127:
                                    lb = 127
                                elif lb < -128:
                                    lb = -128
                                if hb > 127:
                                    hb = 127
                                elif hb < -128:
                                    hb = -128
                                builder.add_8bit_int(lb)
                                builder.add_8bit_int(hb)
                                #logger.debug('MODBUS: 8bit int {0} ; {1}'.format(lb.hb)) 
                        elif type == '7' or type == '8':                                            #16bit uint / int
                            length = 16
                            if type == '7':                                                         #0...65535
                                builder.add_16bit_uint(value)
                                #logger.debug('MODBUS: 16bit uint {0} '.format(value)) 
                            else:                                                                   #-32768...32767
                                builder.add_16bit_int(value)   
                                #logger.debug('MODBUS: 16bit int {0}'.format(value)) 
                            
                        elif type == '1':
                            length = 1
                                                                                                    #nur pro byte einmal die bits wandeln
                            if bitpos < 8:  #lb
                                lb  = lb | int(value) << bitpos
                                #logger.debug('MODBUS: 8bit int{0}'.format(lb)) 
                                
                            else:           #hb
                                hb  = hb | int(value) << bitpos
                                #logger.debug('MODBUS: 8bit int{0}'.format(hb)) 
                                
                            builder.add_8bit_uint(lb)
                            builder.add_8bit_uint(hb)
                            
                payload = builder.build()
                logger.debug('MODBUS: write to PLC: WORD {0} set to {1} '.format(byte,payload)) 
                self._modbuspy.write_registers(byte, payload, skip_encode=True)
                builder.reset()        
        except Exception as e:
            logger.error('MODBUS: Could not write an OutWord, because {}'.format(e))
            self._lock.release()
            return None