examples: python client

Author: eigen-value

extras/examples/serial_client_example.py

@@ -0,0 +1,7 @@
+from serial_client import SerialClient
+
+PORT = '/dev/ttySTM0'
+
+client = SerialClient(port=PORT, baudrate=115200)
+
+client.call("add", 15, 7)

extras/serial_client.py

@@ -0,0 +1,25 @@
+import serial
+import time
+import msgpack
+from io import BytesIO
+
+REQUEST = 0
+RESPONSE = 1
+NOTIFY = 2
+
+class SerialClient:
+    def __init__(self, port, baudrate=115200):
+        self.ser = serial.Serial(port, baudrate, timeout=0.1)
+        self.msg_id = 0
+
+    def call(self, method, *args):
+        request = [REQUEST, self.msg_id, method, [*args]]
+        self.ser.write(msgpack.packb(request))
+
+        data = None
+        while not data:
+            data = self.ser.read(1024)
+
+        unpacker = msgpack.Unpacker(BytesIO(data))
+        for message in unpacker:
+            print(message)