Linux Side Bluetooth Debugging __linux

Linux side Bluetooth debugging

@ (embedded) [BLE, BLE]

Graduated for most of the year has been engaged in BLE peripherals development, found that Linux can use BlueZ bluetooth development, more convenient is, there is a Python module on the BlueZ interface encapsulation, called BLUEPY, to develop testing to bring more convenience. Get & Install

Development platform Ubunt 14.04

$ sudo apt-get install git build-essential libglib2.0-dev
$ git clone https://github.com/IanHarvey/bluepy.git
$ CD bluepy
$ python setup.py build
$ python setup.py install

Personal test Script Library mybluepy, not how to write Python, for reference. using Hcitool & Gatttool

The tools provided after the BlueZ protocol stack have been installed, and the simple operation is as follows. Viewing devices for a Bluetooth PC

Hcitool Dev

Scan ble

Hcitool Lescan

Set Gatttool

Gatttool-  b 76:66:44:33:22:72-i

-I: Enter interactive mode

Under the Gatttool,
Start connecting devices: Connect
Input: Help View other directives

Enter characteristics to view eigenvalue information, and the result is probably as follows

handle:0x0022, char properties:0x1a, char value handle:0x0023, UUID:0000A802-0000-1000-8000-00805F9B34FB

As above, handle 0x0023 write data, write 0x0100 to 0x0023+1, set up listening, write 0 to cancel listening bluepy script

Module documentation
Provide a simple example:

#!/usr/bin/python from __future__ import print_function import sys import BINASCII import btle import os ble_conn = None Class MyDelegate (Btle. Defaultdelegate): Def __init__ (self, conn): Btle. Defaultdelegate.__init__ (self) self.conn = conn def handlenotification (self, CHandle, data): data = b Inascii.b2a_hex (data) print ("Notification:", str (chandle), "data", data) def handlediscovery (self, dev, IsN  Ewdev, Isnewdata): If Isnewdev:pass elif isnewdata:print ("\ndiscovery:", "MAC:", DEV.ADDR, "Rssi", str (DEV.RSSI)) def ble_connect (DEVADDR): Global ble_conn if not devaddr are None and Ble_con N is none:ble_conn = Btle. Peripheral (devaddr, Btle.
    Addr_type_public) ble_conn.setdelegate (MyDelegate (ble_conn)) print ("Connected") def ble_disconnect (): Global Ble_conn Ble_conn = None print ("Disconnected") if __name__ = = ' __main__ ': Ble_mac = ' 66:55:44:33:22:11 "# Scan scanner = Btle.
        Scanner (). Withdelegate (MyDelegate (None)) Timeout = 10.0 devices = Scanner.scan (timeout) for Dev in devices:  if dev.addr = = Ble_mac:print ("\ndiscovery:", "Mac:", Dev.addr, "Rssi", str (DEV.RSSI)) for
            (Adtype, desc, value) in Dev.getscandata (): Print ("%s (0x%x) =%s"% (desc, int (adtype), value) Break # Connect Ble_connect (BLE_MAC) # Write, set Listen Snd_content_str = "" "\x01\x00" "" BL

    E_conn.writecharacteristic (handle, SND_CONTENT_STR) # Wait Notification ble_conn.waitfornotifications (2.0)
 # Disconnect Ble_disconnect ()

ReferenceGet-Start with BlueZ