BlueZ版本 :2.25
arm linux版本 :2.6.17.8
bluez使用的重点就是配置问题,这里主要讲rfcomm的使用,就是蓝牙模拟串口的使用.
# # HCI daemon configuration file. # # HCId options options { # Automatically initialize new devices autoinit yes; # Security Manager mode # none - Security manager disabled # auto - Use local PIN for incoming connections # user - Always ask user for a PIN # security user; # Pairing mode # none - Pairing disabled # multi - Allow pairing with already paired devices # once - Pair once and deny successive attempts pairing multi; # PIN helper pin_helper /home/pin; # D-Bus PIN helper #dbus_pin_helper; } # Default settings for HCI devices device { # Local device name # %d - device id # %h - host name name "Bluez (%d)"; # Local device class class 0x3e0100; # Default packet type #pkt_type DH1,DM1,HV1; # Inquiry and Page scan iscan enable; pscan enable; # Default link mode # none - no specific policy # accept - always accept incoming connections # master - become master on incoming connections, # deny role switch on outgoing connections lm accept; # Default link policy # none - no specific policy # rswitch - allow role switch # hold - allow hold mode # sniff - allow sniff mode # park - allow park mode lp rswitch,hold,sniff,park; # Authentication and Encryption (Security Mode 3) #auth enable; #encrypt enable; }
security auto; ---> security user;//auto极不稳定
pin_helper /usr/sbin/pin; --->pin_helper /home/pin;//只是便于自己修改
其中/home/pin就是个简单的脚本:
#!/bin/sh echo "PIN:0000"
1.加载初始化文件:
hcid -f /etc/bluetooth/hcid.conf
sdpd sdptool add SP
是否添加成功是可以 sdptool browse local来查询.
3.设置rfcomm后台监听:
rfcomm listen /dev/rfcomm0 1&
以上是针对自己做slave的情况,如果做host,就需要先获取对方的服务以及channel,初始化依然是上面的第一第二步,第二步也可以不要,第三部换成
sdptool browse XX:XX:XX:XX:XX
rfcomm connect 0 XX:XX:XX:XX:XX 1&
以上两种情况任何一种连接ok,就可以操作rfcomm0口来进行正常串口通讯了.