Pymodbus v2.4.0

Author: dhoomakethu

examples/common/async_tornado_client_serial.py

@@ -158,7 +158,7 @@ def callback(protocol, future):
     # Rtu
     protocol, future = AsyncModbusSerialClient(schedulers.IO_LOOP,
                                                method="rtu",
-                                               port="/dev/ptyp0",
+                                               port="/tmp/ptyp0",
                                                baudrate=9600,
                                                timeout=2)
 

examples/common/async_twisted_client_serial.py

@@ -21,7 +21,7 @@
 # state a few constants
 # ---------------------------------------------------------------------------#
 
-SERIAL_PORT = "/dev/ptyp0"
+SERIAL_PORT = "/tmp/ptyp0"
 STATUS_REGS = (1, 2)
 STATUS_COILS = (1, 3)
 CLIENT_DELAY = 1
@@ -75,12 +75,14 @@ def error_handler(self, failure):
 
 
 if __name__ == "__main__":
+    import time
     proto, client = AsyncModbusSerialClient(schedulers.REACTOR,
                                             method="rtu", 
                                             port=SERIAL_PORT, 
                                             timeout=2, 
                                             proto_cls=ExampleProtocol)
     proto.start()
+    time.sleep(10)  # Wait for operation to complete
     # proto.stop()
 
 

examples/common/synchronous_server.py

@@ -125,6 +125,7 @@ def run_server():
     # Udp:
     # StartUdpServer(context, identity=identity, address=("0.0.0.0", 5020))
 
+    # socat -d -d PTY,link=/tmp/ptyp0,raw,echo=0,ispeed=9600 PTY,link=/tmp/ttyp0,raw,echo=0,ospeed=9600
     # Ascii:
     # StartSerialServer(context, identity=identity,
     #                    port='/dev/ttyp0', timeout=1)