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!272 添加了modbus_rt的demo
Merge pull request !272 from SenySunny/master
2 parents 2a7ac72 + 2af9b13 commit d8cc0b0

12 files changed

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‎examples/modbus_rt/ascii_master.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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serial_name = "COM11"
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ascii_m = modbus_rt.rtu(cst.MASTER)
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ascii_m.set_serial(serial_name)
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ascii_m.open()
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# ascii_m.excuse(1,3,0,5)
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# ascii_m.excuse(1,16,0,5,[21,23,24,25,65])
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# ascii_m.excuse(1,3,0,5)

‎examples/modbus_rt/ascii_slave.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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serial_name = "COM11"
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ascii_s = modbus_rt.ascii()
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ascii_s.set_serial(serial_name)
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ascii_s.add_block("A",cst.REGISTERS, 0, 10)
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ascii_s.open()
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# ascii_s.excuse(0,4,0,5)
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# ascii_s.excuse(1,4,0,5,[1,2,34,5,6])
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# ascii_s.excuse(0,4,0,5)

‎examples/modbus_rt/dtu_stm32.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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serial_name = "uart4"
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ip_addr = ""
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rm = modbus_rt.rtu(cst.MASTER)
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rm.set_serial(serial_name)
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rm.open()
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ts = modbus_rt.tcp()
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ts.set_net(ip_addr, 502, cst.SOCK_STREAM)
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def pre_call(evt) :
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slave = evt.slave
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function = evt.function
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addr = evt.addr
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quantity = evt.quantity
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if cst.READ_DISCRETE_INPUTS == function:
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if addr >= 0 and addr <= 16 :
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data = rm.excuse(slave, function, addr + 10000, quantity)
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ts.excuse(cst.WRITE, cst.INPUTS, addr, quantity, data)
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elif cst.READ_COILS == function:
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if addr >= 0 and addr <= 16 :
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data = rm.excuse(slave, function, addr + 20000, quantity)
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ts.excuse(cst.WRITE, cst.CIOLS, addr, quantity, data)
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def done_call(evt) :
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slave = evt.slave
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function = evt.function
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addr = evt.addr
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quantity = evt.quantity
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if cst.WRITE_SINGLE_COIL == function:
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if addr >= 0 and addr <= 16 :
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data = ts.excuse(cst.READ, cst.CIOLS, addr, 1)
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rm.excuse(slave, function, addr + 20000, data[0])
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elif cst.WRITE_MULTIPLE_COILS == function:
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if addr >= 0 and addr <= 16 :
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data = ts.excuse(cst.READ, cst.CIOLS, addr, quantity)
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rm.excuse(slave, function, addr + 20000, quantity, data)
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ts.set_strict(0)
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ts.set_pre_ans_callback(pre_call)
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ts.set_done_callback(done_call)
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ts.open()

‎examples/modbus_rt/rtu_master.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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serial_name = "COM11"
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rm = modbus_rt.rtu(cst.MASTER)
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rm.set_serial(serial_name)
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rm.open()
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# rm.excuse(1,3,0,5)
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# rm.excuse(1,16,0,5,[21,23,24,25,65])
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# rm.excuse(1,3,0,5)

‎examples/modbus_rt/rtu_slave.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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serial_name = "uart1"
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rs = modbus_rt.rtu()
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rs.set_serial(serial_name)
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rs.add_block("A",cst.REGISTERS, 0, 10)
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rs.open()
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# rs.excuse(0,4,0,5)
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# rs.excuse(1,4,0,5,[1,2,34,5,6])
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# rs.excuse(0,4,0,5)

‎examples/modbus_rt/rtu_slave_for_tcp.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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ip_addr = "192.168.28.150"
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rst = modbus_rt.rtu()
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rst.set_over_type(cst.OVER_NET)
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rst.set_net(ip_addr, 502, cst.SOCK_STREAM)
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rst.add_block("A",cst.REGISTERS, 0, 10)
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rst.open()
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# rst.excuse(0,4,0,5)
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# rst.excuse(1,4,0,5,[1,2,34,5,6])
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# rst.excuse(0,4,0,5)

‎examples/modbus_rt/rtu_slave_for_udp.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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ip_addr = "192.168.28.150"
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rsu = modbus_rt.rtu()
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rsu.set_over_type(cst.OVER_NET)
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rsu.set_net(ip_addr, 502, cst.SOCK_DGRAM)
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rsu.add_block("A",cst.REGISTERS, 0, 10)
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rsu.open()
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# rsu.excuse(0,4,0,5)
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# rsu.excuse(1,4,0,5,[1,2,34,5,6])
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# rsu.excuse(0,4,0,5)

‎examples/modbus_rt/tcp2rtu_dtu.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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serial_name = "/dev/ttyUSB0"
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ip_addr = ""
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rm = modbus_rt.rtu(cst.MASTER)
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rm.set_serial(serial_name)
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rm.open()
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ts = modbus_rt.tcp()
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ts.set_net(ip_addr, 502, cst.SOCK_STREAM)
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def pre_call(evt) :
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slave = evt.slave
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function = evt.function
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addr = evt.addr
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quantity = evt.quantity
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if cst.READ_HOLDING_REGISTERS == function:
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data = rm.excuse(slave, function, addr, quantity)
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ts.excuse(cst.WRITE, cst.REGISTERS, addr, quantity, data)
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elif cst.READ_DISCRETE_INPUTS == function:
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data = rm.excuse(slave, function, addr, quantity)
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ts.excuse(cst.WRITE, cst.INPUTS, addr, quantity, data)
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def done_call(evt) :
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slave = evt.slave
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function = evt.function
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addr = evt.addr
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quantity = evt.quantity
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if cst.WRITE_SINGLE_COIL == function:
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data = ts.excuse(cst.READ, cst.CIOLS, addr, 1)
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rm.excuse(slave, function, addr, data[0])
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elif cst.WRITE_SINGLE_REGISTER == function:
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data = ts.excuse(cst.READ, cst.REGISTERS, addr, 1)
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rm.excuse(slave, function, addr, data[0])
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elif cst.WRITE_MULTIPLE_COILS == function:
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data = ts.excuse(cst.READ, cst.CIOLS, addr, quantity)
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rm.excuse(slave, function, addr, quantity, data)
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elif cst.WRITE_MULTIPLE_REGISTERS == function:
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data = ts.excuse(0, cst.REGISTERS, addr, quantity)
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rm.excuse(slave, function, addr, quantity, data)
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ts.add_block("A", 0, 20000, 10)
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ts.add_block("B", 1, 10000, 16)
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ts.add_block("C", 4, 0, 10)
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ts.set_strict(0)
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ts.set_pre_ans_callback(pre_call)
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ts.set_done_callback(done_call)
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ts.open()

‎examples/modbus_rt/tcp_master.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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ip_addr = "192.168.28.150"
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tm = modbus_rt.tcp(cst.MASTER)
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tm.set_net(ip_addr, 0, cst.SOCK_STREAM)
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tm.set_server(ip_addr, 502)
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tm.open()
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# tm.excuse(1,3,0,5)
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# tm.excuse(1,16,0,5,[21,23,24,25,65])
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# tm.excuse(1,3,0,5)

‎examples/modbus_rt/tcp_slave.py‎

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import modbus_rt
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import modbus_rt_defines as cst
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ip_addr = "192.168.28.150"
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ts = modbus_rt.tcp()
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ts.set_net(ip_addr, 502, cst.SOCK_STREAM)
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ts.add_block("A",cst.REGISTERS, 0, 10)
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ts.open()
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# ts.excuse(0,4,0,5)
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# ts.excuse(1,4,0,5,[1,2,34,5,6])
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# ts.excuse(0,4,0,5)
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