[英]Cannot run python-bluez RFCOMM server example script
我试图在我的Android应用程序和Raspberry Pi 3之间建立蓝牙通信链接。我尝试在Raspberry Pi上使用pybluez。 我的问题是,当我尝试运行pybluez附带的示例代码(见下文)时,出现以下错误消息:
Traceback (most recent call last):
File "/usr/share/doc/python-bluez/examples/simple/rfcomm-server.py", line 20, in <module>
profiles = [ SERIAL_PORT_PROFILE ],
File "/usr/lib/python2.7/dist-packages/bluetooth/bluez.py", line 176, in advertise_service
raise BluetoothError (str (e))
BluetoothError: (2, 'No such file or directory')
这是我要运行的脚本:似乎问题出在advertise_service方法中。
# file: rfcomm-server.py
# auth: Albert Huang <albert@csail.mit.edu>
# desc: simple demonstration of a server application that uses RFCOMM sockets
#
# $Id: rfcomm-server.py 518 2007-08-10 07:20:07Z albert $
from bluetooth import *
server_sock=BluetoothSocket( RFCOMM )
server_sock.bind(("",PORT_ANY))
server_sock.listen(1)
port = server_sock.getsockname()[1]
uuid = "94f39d29-7d6d-437d-973b-fba39e49d4ee"
advertise_service( server_sock, "SampleServer",
service_id = uuid,
service_classes = [ uuid, SERIAL_PORT_CLASS ],
profiles = [ SERIAL_PORT_PROFILE ],
# protocols = [ OBEX_UUID ]
)
print "Waiting for connection on RFCOMM channel %d" % port
client_sock, client_info = server_sock.accept()
print "Accepted connection from ", client_info
try:
while True:
data = client_sock.recv(1024)
if len(data) == 0: break
print "received [%s]" % data
except IOError:
pass
print "disconnected"
client_sock.close()
server_sock.close()
print "all done"
有趣的是,以下脚本可以完美运行,但由于无法设置Android套接字的端口等,因此无法从Android连接。
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()
我收到的官方示例脚本的错误消息可能是什么原因??? 我已经按照此处描述的步骤进行操作: https : //stackoverflow.com/a/14827036/6149322
谢谢你的帮助!
这个问题可能很旧,但是可能对某些人有所帮助:我认为您根本没有安装所需的所有东西。 为了使pybluez正常工作,您需要两个软件包bluetooth
和libbluetooth-dev
。
sudo apt-get install bluetooth libbluetooth-dev
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.