基于基于python实现蓝牙通信代码实例 实现蓝牙通信代码实例 主要介绍了基于python实现蓝牙通信代码实例,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有 一定的参考学习价值,需要的朋友可以参考下 这篇文章主要介绍了基于python实现蓝牙通信代码实例,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定 的参考学习价值,需要的朋友可以参考下 安装和示例 安装和示例 linux下安装 sudo apt-get install python-pip libglib2.0-dev sudo pip install bluepy 官方示例 官方示例 import btle class MyDelegate(btle.DefaultDelegate): def __init__(self, params): btle.DefaultDelegate.__init__(self)#.. .initialise here def handleNotification(self, cHandle, data): #...perhaps check cHandle#...process 'data' # Initialisation-- -- -- - p = btle.Peripheral(address) p.setDelegate(MyDelegate(params)) # Setup to turn notifications on, e.g.#svc = p.getServiceByUUID(service_uuid)# ch = svc.getCharacteristics(char_uuid)[0]# ch .write(setup_data) # Main loop-- -- -- -- while True: if p.waitForNotifications(1.0): # handleNotification() was called continue print "Waiting..."# Perhaps do something else here 蓝牙通信模块pybluez的使用的使用 蓝牙通信模块 选择蓝牙通信对象 import bluetooth target_name = "My Device" target_address = None nearby_devices = bluetooth.discover_devices() for bdaddr in nearby_devices: if target_name == bluetooth.lookup_name( bdaddr): target_address = bdaddr break if target_address is not None: print( "found target bluetooth device with address ", target_address) else : print( "could not find target bluetooth device nearby" ) 查询设备服务 import bluetooth nearby_devices = bluetooth.discover_devices( lookup_names = True) for addr, name in nearby_devices: print(" %s - %s" % (addr, name)) services = bluetooth.find_service( address = addr) for svc in services: print("Service Name: %s" % svc["name"]) print(" Host: %s" % svc["host"]) print(" Description: %s" % svc[ "description"]) 

print(" Provided By: %s" % svc[ "provider"]) print(" Protocol: %s" % svc["protocol"]) print(" channel/PSM: %s" % svc["port"]) print(" svc classes: %s " % svc[ "service-classes"]) print(" profiles: %s " % svc["profiles"]) print(" service id: %s " % svc[ "service-id"]) print("") 通过通过RFCOMM方式进行通信 方式进行通信 采用类似于socket编程模型的方式进行蓝牙通信的编程 1.服务器端程序 import bluetooth server_sock = bluetooth.BluetoothSocket( bluetooth.RFCOMM) port = 1 server_sock.bind(("", port)) server_sock.listen(1) client_sock, address = server_sock.accept() print "Accepted connection from ", address data = client_sock.recv(1024) print "received [%s]" % data client_sock.close() server_sock.close() 2. 客户端程序 import bluetooth bd_addr = "01:23:45:67:89:AB" port = 1 sock = bluetooth.BluetoothSocket( bluetooth.RFCOMM) sock.connect((bd_addr, port)) sock.send("hello!!") sock.close() 通过通过L2CAP方式进行通信 方式进行通信 L2CAP的sockets方式几乎等同于RFCOMM的sockets方式，唯一的不同是通过L2CAP的方式，并且端口是0x1001到0x8FFF 之间的奇数端口。默认的连接可以传送的可靠报文是672个字节。 1.服务器端程序 import bluetooth server_sock = bluetooth.BluetoothSocket( bluetooth.L2CAP) port = 0x1001 server_sock.bind(("", port)) server_sock.listen(1) client_sock, address = server_sock.accept() print "Accepted connection from ", address data = client_sock.recv(1024) print "received [%s]" % data client_sock.close() server_sock.close() 2.客户端程序 import bluetooth sock=bluetooth.BluetoothSocket(bluetooth.L2CAP) bd_addr = "01:23:45:67:89:AB" port = 0x1001 sock.connect((bd_addr, port)) sock.send("hello!!") sock.close() 调整调整MTU大小大小 l2cap_sock = bluetooth.BluetoothSocket( bluetooth.L2CAP ) # connect the socket bluetooth.set_l2cap_mtu( l2cap_sock, 65535 ) 

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