Edison 与 Android 手机蓝牙通信SPP(SERIAL PORT PROFILE)

edison 上执行SPP-loopback.py

root@edison:~/my_python# python SPP-loopback.py &

代码

#!/usr/bin/python

from __future__ import absolute_import, print_function, unicode_literals

from optparse import OptionParser, make_option
import os
import sys
import socket
import uuid
import dbus
import dbus.service
import dbus.mainloop.glib
try:
  from gi.repository import GObject
except ImportError:
  import gobject as GObject

class Profile(dbus.service.Object):
    fd = -1

    @dbus.service.method("org.bluez.Profile1",
                    in_signature="", out_signature="")
    def Release(self):
        print("Release")
        mainloop.quit()

    @dbus.service.method("org.bluez.Profile1",
                    in_signature="", out_signature="")
    def Cancel(self):
        print("Cancel")

    @dbus.service.method("org.bluez.Profile1",
                in_signature="oha{sv}", out_signature="")
    def NewConnection(self, path, fd, properties):
        self.fd = fd.take()
        print("NewConnection(%s, %d)" % (path, self.fd))


        server_sock = socket.fromfd(self.fd, socket.AF_UNIX, socket.SOCK_STREAM)
        server_sock.setblocking(1)
        server_sock.send("This is Edison SPP loopback test\nAll data will be loopback\nPlease start:\n")

        try:
            while True:
                data = server_sock.recv(1024)
                print("received: %s" % data)
            server_sock.send("looping back: %s\n" % data)
        except IOError:
            pass

        server_sock.close()
        print("all done")



    @dbus.service.method("org.bluez.Profile1",
                in_signature="o", out_signature="")
    def RequestDisconnection(self, path):
        print("RequestDisconnection(%s)" % (path))

        if (self.fd > 0):
            os.close(self.fd)
            self.fd = -1

if __name__ == '__main__':
    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

    bus = dbus.SystemBus()

    manager = dbus.Interface(bus.get_object("org.bluez",
                "/org/bluez"), "org.bluez.ProfileManager1")

    option_list = [
            make_option("-C", "--channel", action="store",
                    type="int", dest="channel",
                    default=None),
            ]

    parser = OptionParser(option_list=option_list)

    (options, args) = parser.parse_args()

    options.uuid = "1101"
    options.psm = "3"
    options.role = "server"
    options.name = "Edison SPP Loopback"
    options.service = "spp char loopback"
    options.path = "/foo/bar/profile"
    options.auto_connect = False
    options.record = ""

    profile = Profile(bus, options.path)

    mainloop = GObject.MainLoop()

    opts = {
            "AutoConnect" : options.auto_connect,
        }

    if (options.name):
        opts["Name"] = options.name

    if (options.role):
        opts["Role"] = options.role

    if (options.psm is not None):
        opts["PSM"] = dbus.UInt16(options.psm)

    if (options.channel is not None):
        opts["Channel"] = dbus.UInt16(options.channel)

    if (options.record):
        opts["ServiceRecord"] = options.record

    if (options.service):
        opts["Service"] = options.service

    if not options.uuid:
        options.uuid = str(uuid.uuid4())

    manager.RegisterProfile(options.path, options.uuid, opts)

    mainloop.run()

手机上安装蓝牙串口 App

终端

root@edison:~/my_python# rfkill unblock bluetooth
root@edison:~/my_python# bluetoothctl
[bluetooth]# show
Controller 98:4F:EE:04:2E:7D
Name: edison
Alias: edison
Class: 0x2c0110
Powered: yes
Discoverable: no
Pairable: yes
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Handsfree (0000111e-0000-1000-8000-00805f9b34fb)
UUID: Serial Port (00001101-0000-1000-8000-00805f9b34fb)
UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
Modalias: usb:v1D6Bp0246d0518
Discovering: no

手机蓝牙打开开放检测

终端

[bluetooth]# scan on
Discovery started
[CHG] Controller 98:4F:EE:04:2E:7D Discovering: yes
[NEW] Device 74:51:BA:6D:40:4C MI4

找到手机蓝牙
[bluetooth]# scan off
[CHG] Device 74:51:BA:6D:40:4C RSSI is nil
[CHG] Controller 98:4F:EE:04:2E:7D Discovering: no

设置配对方式
[bluetooth]# agent DisplayYesNo
Agent registered
[bluetooth]# default-agent
Default agent request successful

[bluetooth]# pair 74:51:BA:6D:40:4C
Attempting to pair with 74:51:BA:6D:40:4C
[CHG] Device 74:51:BA:6D:40:4C Connected: yes
Request confirmation
[agent] Confirm passkey 769356 (yes/no): yes
[CHG] Device 74:51:BA:6D:40:4C Modalias: bluetooth:v001Dp1200d1436
[CHG] Device 74:51:BA:6D:40:4C UUIDs:
00001105-0000-1000-8000-00805f9b34fb
0000110a-0000-1000-8000-00805f9b34fb
0000110c-0000-1000-8000-00805f9b34fb
0000110e-0000-1000-8000-00805f9b34fb
00001112-0000-1000-8000-00805f9b34fb
00001115-0000-1000-8000-00805f9b34fb
00001116-0000-1000-8000-00805f9b34fb
0000111f-0000-1000-8000-00805f9b34fb
0000112d-0000-1000-8000-00805f9b34fb
0000112f-0000-1000-8000-00805f9b34fb
00001132-0000-1000-8000-00805f9b34fb
00001200-0000-1000-8000-00805f9b34fb
00001800-0000-1000-8000-00805f9b34fb
00001801-0000-1000-8000-00805f9b34fb
[CHG] Device 74:51:BA:6D:40:4C Paired: yes
Pairing successful
[CHG] Device 74:51:BA:6D:40:4C Connected: no

[bluetooth]# trust 74:51:BA:6D:40:4C
[CHG] Device 74:51:BA:6D:40:4C Trusted: yes
Changing 74:51:BA:6D:40:4C trust succeeded

打开蓝牙串口，连接edison

终端

[bluetooth]# NewConnection(/org/bluez/hci0/dev_74_51_BA_6D_40_4C, 10)