RTL8723蓝牙wifi移植到4.9.88内核
/*新增8723bu移植到imx6qdl 4.9.88最新内核，很多东西需要改的头大，一下是3.14.28版本的内黑*/
8723buwifi
软件包下载
http://download.csdn.net/detail/qqchangjianfei/9554279
WIFI: 增加路径
linux/kernel/kernel-3.4.39/drivers/net/wireless/Makefile
obj-$(CONFIG_BRCMSMAC) += brcm80211/
obj-$(CONFIG_RTL8723BU) += rtl8723BU_WiFi/
linux/kernel/kernel-3.4.39/drivers/net/wireless/Kconfig
source"drivers/net/wireless/DHD_REL_1_141_44_3/Kconfig"
source"drivers/net/wireless/rtl8723BU_WiFi/Kconfig"
内核添加
-> Device Drivers
-> Network device support (NETDEVICES[=y])
-> Wireless LAN (WLAN [=y])
<*> Realtek8723B USB WiFi
测试：
-----------------------------------------wpa_supplicant方法---------------------
开启wifi设备：ifconfig wlan0 up
显示wifi热点：iwlist scanning
增加连接的wifi 的名称和密码
vi etc/wpa_supplicant.conf
内容如下：
# WPA-PSK/TKIP
ctrl_interface=/var/run/wpa_supplicant
network={
ssid="dlink" //WIFI名称
key_mgmt=WPA-PSK
proto=WPA
pairwise=TKIP
group=TKIP
psk="12345" //WIFI密码
}
wpa_supplicant -d -Dwext-iwlan0 -c/etc/wpa_supplicant.conf &
wpa_supplicant ：wpa_supplicant可执行程序path
-d ：增加调试信息
-Dwext ：wext，驱动名称
-iwlan0 ：wlan0，网络接口名称
iwconfig
ifconfig wlan0 192.168.12.198 //设置无线网卡IP
ifconfig wlan0
Ping 同一网段的IP
ping 192.168.12.102
64 bytes from 192.168.12.102: seq=0 ttl=64 time=54.105 ms
64 bytes from 192.168.12.102: seq=1 ttl=64 time=278.848ms
64 bytes from 192.168.12.102: seq=2 ttl=64 time=199.479ms
8723bu 蓝牙部分
BT4.0: 驱动和应用移植：
驱动：从网上下载8723bu_bt驱动RTL8723BU.rar（蓝牙wifi驱动都有）
解压到linux/QT_6818/kernel/drivers/Bluetooth
修改Makefile
obj-$(CONFIG_BT_RTKBTUSB_CJF) += rtk_btusb_cjf.o
rtk_btusb_cjf-y= rtk_coex.o rtk_bt.o
和Kconfig
configBT_RTKBTUSB_CJF
tristate "RTK HCI USB driver byCJF"
depends on USB
help
RTK Bluetooth HCI USB driver by CJF
内核增加该选项
[*] Networking support --->
<*> Bluetooth subsystem support --->
Bluetooth device drivers --->
<*>RTK HCI USB driver by CJF
应用层程序移植：需要移植bluez-4.95库
http://blog.csdn.net/u011408697/article/details/44459239
1、交叉编译 expat-2.0.1：
./configure-prefix=/usr/local/bluez-4.95 -host=arm-linux CC=arm-linux-gcc
make
makeinstall
2、交叉编译 dbus-1.4.1：
./configure-prefix=/usr/local/bluez-4.95 -host=arm-linux -with-x=no-enable-abstract-sockets CC=arm-linux-gccCFLAGS=-I/usr/local/bluez-4.95/include LDFLAGS=-L/usr/local/bluez-4.95/lib
make
makeinstall
3、交叉编译 glib-2.16.2：
./configure-prefix=/usr/local/bluez-4.95 -host=arm-linux CC=arm-linux-gcc glib_cv_stack_grows=noglib_cv_uscore=yes glib_cv_have_qsort_r=yes ac_cv_func_posix_getpwuid_r=yesac_cv_func_posix_getgrgid_r=yes
make
makeinstall
4、交叉编译 bluez-4.95：
sudoapt-get install libdbus-1-dev libdbus-glib-1-dev
exportPKG_CONFIG_LIBDIR=/usr/local/bluez-4.95/lib/pkgconfig
./configure-prefix=/usr/local/bluez-4.95 -host=arm-linux -disable-audio -enable-network-enable-serial -enable-input -enable-service -enable-health -enable-usb-enable-tools -enable-bccmd -enable-hid2hci -enable-hidd -enable-pand -enable-cups-enable-test CC=arm-linux-gcc CFLAGS=-I/usr/local/bluez-4.95/includeLDFLAGS=-L/usr/local/bluez-4.95/lib
make
makeinstall
错误
audio/pcm_bluetooth.c:40:fatal error: alsa/asoundlib.h: No such file or directory
compilationterminated.
$sudo apt-getinstall libasound2-dev
5、交叉编译 bluez-hcidump-2.5：
./configure-prefix=/usr/local/bluez-4.95 -host=arm-linux CC=arm-linux-gcc
make
makeinstall
四、使用方法：
1、把刚刚交叉编译好的 bluez-4.95复制到开发板上，比如放在 /usr/local/下
2、开发板上，vi /etc/passwd，在最后添加messagebus:x:500:500::/home/messagebus:/bin/sh，保存
3、添加环境变量：
exportPATH=/mnt/sdcard/bluez-4.95/bin:$PATH
exportPATH=/mnt/sdcard/bluez-4.95/sbin:$PATH
exportLD_LIBRARY_PATH=/mnt/sdcard/bluez-4.95/lib:$LD_LIBRARY_PATH
mount/mnt/sdcard/bluez-4.95 /usr/local/bluez-4.95/
4、运行 dbus-daemon -system
dbus-daemon--system
注：启动一次过后会生成某进程文件，以后再启用需要先删除它
rm/mnt/sdcard/bluez-4.95/var/run/dbus/pid
5、bluetoothd -f/mnt/sdcard/bluez-4.95/etc/bluetooth/main.conf
或者：直接 bluetoothd，默认会载入上边的 conf
或者：bluetoothd -nd表示进入调试并且不后台执行
注：开启 bluetoothd默认会 hci0 up
1\加载驱动
/lib/firmware # insmod rtk_btusb.ko
2\查看蓝牙设备
/bin #hciconfig
hci0:Type: BR/EDR Bus: USB
BDAddress: 00:00:00:00:00:00 ACL MTU:0:0 SCO MTU: 0:0
DOWN
RXbytes:0 acl:0 sco:0 events:0 errors:0
TX bytes:0acl:0 sco:0 commands:0 errors:0
3\启动设备，会自动加载固件
/sbin #./hciconfig hci0 up
rtk_btusb:btusb_open hdev->promisc ==0
rtk_btusb:download_patch start
5\扫描设备
/sbin #./hcitool scan
Scanning...
00:74:23:8E:D2:A9
K-TouchT619（天语）
38:BC:1A:88:59:E2
MEIZUMX2
6\开启可检测性和连接
root@lierda:~#./hciconfig hci0 up piscan
7\ ping测试
/sbin #./l2ping 00:74:23:8E:D2:A9
/*********************无密码链接蓝牙**************************/
将这2个文件放在/lib/firmware下（此为固件升级软件 还有必要的路径在内核配置总）
#CONFIG_BCM4339 is not set
CONFIG_BCMDHD_FW_PATH="/system/etc/firmware/fw_bcmdhd.bin"
CONFIG_BCMDHD_NVRAM_PATH="/system/etc/wifi/bcmdhd.cal"
#CONFIG_BRCMFMAC is not set
#CONFIG_HOSTAP is not set
（相信这里把大部分人给卡住了，啧啧啧，我可是研究好几天呢）
rtl8723b_fw rtl8723bu_config
vi/etc/passwd，在最后添加messagebus:x:500:500::/home/messagebus:/bin/sh，保存
exportPATH=/mnt/sdcard/bluez-4.95/bin:$PATH
exportPATH=/mnt/sdcard/bluez-4.95/sbin:$PATH
exportLD_LIBRARY_PATH=/mnt/sdcard/bluez-4.95/lib:$LD_LIBRARY_PATH
mount/mnt/sdcard/bluez-4.95 /usr/local/bluez-4.95/
hciconfig
hciconfighci0 up
rm/mnt/sdcard/bluez-4.95/var/run/dbus/pid
dbus-daemon--system
bluetoothd
hciconfighci0 up piscan
hcitoolscan
hciconfighci0 up piscan
/***********************************************/