Add mushroom client, at last

mrbridge.py

@@ -0,0 +1,55 @@
+import argparse
+import serial
+import threading
+import time
+import websocket
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(description="Bridge a serial port to a websocket")
+    parser.add_argument("port", help="path to the serial port")
+    parser.add_argument("--baudrate", default=115200)
+    parser.add_argument("--escape", action='store_true')
+    parser.add_argument("ws", help="URL of the websocket")
+    return parser.parse_args()
+
+
+def device_thread(device, ws):
+    while True:
+        line = device.readline()
+        ws.send(line)
+
+
+def slowwrite(device, data):
+    for b in data:
+        device.write([b])
+        time.sleep(0.01)
+
+
+def ws_thread(device, ws):
+    while True:
+        data = ws.recv();
+        slowwrite(device, data.replace(b'\n', b'\r\n'))
+
+
+def main():
+    args = parse_args()
+    device = serial.Serial(args.port, baudrate=args.baudrate)
+    ws = websocket.create_connection(args.ws)
+
+    wst = threading.Thread(target=ws_thread, args=(device, ws), daemon=True)
+    wst.start()
+
+    if args.escape:
+        device.write([0x03])
+    try:
+        device_thread(device, ws)
+    except KeyboardInterrupt:
+        pass
+    finally:
+        if args.escape:
+            device.write([0x02])
+
+
+if __name__ == "__main__":
+    main()