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/pythonfrom __future__ import absolute_import, print_function, unicode_literalsfrom optparse import OptionParser, make_optionimport osimport sysimport socketimport uuidimport dbusimport dbus.serviceimport dbus.mainloop.glibtry:  from gi.repository import GObjectexcept ImportError:  import gobject as GObjectclass 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 = -1if __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)