python scripte

software/BananaPiM2+/doku.md

@@ -143,4 +143,123 @@ sudo python3 -c 'print("\26\01\62\65\72\6c\69\6e")' > /dev/rfcomm
 #test empfang
 cat /dev/rfcomm0
 
+sudo apt-get install python3-dev
+
+sudo apt install python3-pip
+
+python3 -m pip install setuptools
+
+python3 -m pip install wheel
+
+python3 -m pip install pybluez
+
+sudo apt autoremove
+
+# Python serial bluetooth transmitter / receiver
+
+sudo nano /etc/systemd/system/dbus-org.bluez.service
+
+changing
+
+ExecStart=/usr/lib/bluetooth/bluetoothd
+
+into
+
+ExecStart=/usr/lib/bluetooth/bluetoothd -C
+
+sudo sdptool add SP
+
+nano send_serial_bluetooth.py
+
+# Python Code Start
+
+#!/usr/bin/env python3
+
+import sys
+import bluetooth
+
+addr = none
+
+if len(sys.argv) < 2:
+    print("No device specified. Searching all nearby bluetooth devices for "
+          "the SampleServer service...")
+else:
+    addr = sys.argv[1]
+    print("Searching for SampleServer on {}...".format(addr))
+
+# search for the SampleServer service
+uuid = "00001101-0000-1000-8000-00805f9b34fb"
+service_matches = bluetooth.find_service(uuid=uuid, address=addr)
+
+if len(service_matches) == 0:
+    print("Couldn't find the SampleServer service.")
+    sys.exit(0)
+
+first_match = service_matches[0]
+port = first_match["port"]
+name = first_match["name"]
+host = first_match["host"]
+
+print("Connecting to \"{}\" on {}".format(name, host))
+
+# Create the client socket
+sock = bluetooth.BluetoothSocket(bluetooth.RFCOMM)
+sock.connect((host, port))
+
+print("Connected. Type something...")
+while True:
+    data = input()
+    if not data:
+        break
+    sock.send(data)
+
+sock.close()
+
+# Python Code End
+
+sudo hciconfig hci0 piscan
+
+nano receive_serial_bluetooth.py
+
+# Python Code Start
+
+#!/usr/bin/env python3
+
+import bluetooth
+
+server_sock = bluetooth.BluetoothSocket(bluetooth.RFCOMM)
+server_sock.bind(("", bluetooth.PORT_ANY))
+server_sock.listen(1)
+
+port = server_sock.getsockname()[1]
+
+uuid = "00001101-0000-1000-8000-00805f9b34fb"
+
+bluetooth.advertise_service(server_sock, "SampleServer", service_id=uuid,
+                            service_classes=[uuid, bluetooth.SERIAL_PORT_CLASS],
+                            profiles=[bluetooth.SERIAL_PORT_PROFILE],
+                            # protocols=[bluetooth.OBEX_UUID]
+                            )
+
+print("Waiting for connection on RFCOMM channel", port)
+
+client_sock, client_info = server_sock.accept()
+print("Accepted connection from", client_info)
+
+try:
+    while True:
+        data = client_sock.recv(1024)
+        if not data:
+            break
+        print("Received", data)
+except OSError:
+    pass
+
+print("Disconnected.")
+
+client_sock.close()
+server_sock.close()
+print("All done.")
+
+# Python Code End
 ```