三星S5PV210移植RTL8723BU WiFi驱动

硬件环境：Samsung s5pv210

软件环境：Linux kernel 2.6.35.7

1、编译生成生成.ko文件

驱动安装包下载地址请点击rtl8723bu wifi驱动

下载完成的驱动包先解压到Windows系统中，然后移动到Ubuntu中，如下图：

编辑Makefile如下：

###################### Platform Related #######################CONFIG_PLATFORM_I386_PC = nCONFIG_PLATFORM_ANDROID_X86 = nCONFIG_PLATFORM_ANDROID_INTEL_X86 = nCONFIG_PLATFORM_JB_X86 = nCONFIG_PLATFORM_ARM_S3C2K4 = nCONFIG_PLATFORM_ARM_PXA2XX = nCONFIG_PLATFORM_ARM_S3C6K4 = n#主要增加这一行，加入对s5pv210的支持CONFIG_PLATFORM_ARM_S5PV210 = y CONFIG_PLATFORM_MIPS_RMI = nCONFIG_PLATFORM_RTD2880B = nCONFIG_PLATFORM_MIPS_AR9132 = nCONFIG_PLATFORM_RTK_DMP = nCONFIG_PLATFORM_MIPS_PLM = nCONFIG_PLATFORM_MSTAR389 = nCONFIG_PLATFORM_MT53XX = nCONFIG_PLATFORM_ARM_MX51_241H = nCONFIG_PLATFORM_FS_MX61 = nCONFIG_PLATFORM_ACTIONS_ATJ227X = nCONFIG_PLATFORM_TEGRA3_CARDHU = nCONFIG_PLATFORM_TEGRA4_DALMORE = nCONFIG_PLATFORM_ARM_TCC8900 = nCONFIG_PLATFORM_ARM_TCC8920 = nCONFIG_PLATFORM_ARM_TCC8920_JB42 = nCONFIG_PLATFORM_ARM_RK2818 = nCONFIG_PLATFORM_ARM_RK3066 = nCONFIG_PLATFORM_ARM_RK3188 = nCONFIG_PLATFORM_ARM_URBETTER = nCONFIG_PLATFORM_ARM_TI_PANDA = nCONFIG_PLATFORM_MIPS_JZ4760 = nCONFIG_PLATFORM_DMP_PHILIPS = nCONFIG_PLATFORM_MSTAR_TITANIA12 = nCONFIG_PLATFORM_MSTAR = nCONFIG_PLATFORM_SZEBOOK = nCONFIG_PLATFORM_ARM_SUNxI = nCONFIG_PLATFORM_ARM_SUN6I = nCONFIG_PLATFORM_ARM_SUN7I = nCONFIG_PLATFORM_ARM_SUN8I_W3P1 = nCONFIG_PLATFORM_ARM_SUN8I_W5P1 = nCONFIG_PLATFORM_ACTIONS_ATM702X = nCONFIG_PLATFORM_ACTIONS_ATV5201 = nCONFIG_PLATFORM_ACTIONS_ATM705X = nCONFIG_PLATFORM_ARM_RTD299X = nCONFIG_PLATFORM_ARM_SPREADTRUM_6820 = nCONFIG_PLATFORM_ARM_SPREADTRUM_8810 = nCONFIG_PLATFORM_ARM_WMT = nCONFIG_PLATFORM_TI_DM365 = nCONFIG_PLATFORM_MOZART = nCONFIG_PLATFORM_RTK119X = nCONFIG_PLATFORM_NOVATEK_NT72668 = nCONFIG_PLATFORM_HISILICON = n###############################################################

在Makefile中增加这一段代码，主要设置交叉编译工具链和kernel目录树

ifeq ($(CONFIG_PLATFORM_ARM_S5PV210), y)EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIANARCH := arm#交叉编辑工具链一定要选对CROSS_COMPILE := arm-linux-#kernel版本KVER := 2.6.35.7#源码目录树KSRC ?= /root/root/kernel/kernelendif

然后#make clean &&make

..........CC [M] /root/root/rtl8723bu_wifi/hal/OUTSRC/rtl8723b/HalHWImg8723B_BB.oCC [M] /root/root/rtl8723bu_wifi/hal/OUTSRC/rtl8723b/HalHWImg8723B_MAC.oCC [M] /root/root/rtl8723bu_wifi/hal/OUTSRC/rtl8723b/HalHWImg8723B_RF.oCC [M] /root/root/rtl8723bu_wifi/hal/OUTSRC/rtl8723b/HalHWImg8723B_FW.oCC [M] /root/root/rtl8723bu_wifi/hal/OUTSRC/rtl8723b/HalHWImg8723B_MP.oCC [M] /root/root/rtl8723bu_wifi/hal/OUTSRC/rtl8723b/phydm_RegConfig8723B.oCC [M] /root/root/rtl8723bu_wifi/hal/OUTSRC/rtl8723b/HalPhyRf_8723B.oCC [M] /root/root/rtl8723bu_wifi/hal/OUTSRC/rtl8723b/phydm_RTL8723B.oCC [M] /root/root/rtl8723bu_wifi/platform/platform_ops.oCC [M] /root/root/rtl8723bu_wifi/core/rtw_mp.oCC [M] /root/root/rtl8723bu_wifi/core/rtw_mp_ioctl.oCC [M] /root/root/rtl8723bu_wifi/core/rtw_bt_mp.oLD [M] /root/root/rtl8723bu_wifi/8723bu.oBuilding modules, stage 2.MODPOST 1 modulesCC/root/root/rtl8723bu_wifi/8723bu.mod.oLD [M] /root/root/rtl8723bu_wifi/8723bu.komake[1]: Leaving directory `/root/root/kernel/kernel'root@ubuntu:~/root/rtl8723bu_wifi#

编译完成后生成8723bu.ko就是我们需要的驱动了

2、制作根文件系统

将我们编译生成的.ko文件放在我们的根文件系统中

动手制作.ext2文件系统，步骤如下：

(1)dd if=/dev/zero of=rootfs.ext2 bs=1024 count=204800losetup /dev/loop1 rootfs.ext2mke2fs -m 0 /dev/loop1 204800mount -t ext2 /dev/loop1 ./ext2_rootfs/(2)向./ext2_rootfs中复制内容，用cp ../rootfs/* ./ -rf(3)umount /dev/loop1losetup -d /dev/loop1(4)完成后得到的rootfs.ext2就是我们做好的rootfs镜像。拿去烧录即可。

烧录镜像到开发板上启动：

Starting sshd: OKStarting qttest...[ 16.193284] EXT2-fs (mmcblk0p4): warning: mounting ext3 filesystem as ext2[ 16.198675] EXT2-fs (mmcblk0p4): warning: mounting unchecked fs, running e2fsck is recommendedWelcome to Buildrootx210v3 login: rootPassword: [root@x210v3 ~]# [root@x210v3 ~]# [root@x210v3 ~]# cd /[root@x210v3 /]# cd home/[root@x210v3 home]# ls8723bu.kodefault/ ftp/ mt7601Usta.ko[root@x210v3 home]#

3、安装并测试驱动

[root@x210v3 home]# insmod 8723bu.ko [ 82.343476] RTL871X: module init start[ 82.345749] RTL871X: rtl8723bu v4.3.16_14189.0519_BTCOEX0119-5844[ 82.352941] RTL871X: build time: Jun 22 21:44:43[ 82.357681] RTL871X: rtl8723bu BT-Coex version = BTCOEX0119-5844[ 82.514318] RTL871X: rtw_ndev_init(wlan0)[ 82.520354] usbcore: registered new interface driver rtl8723bu[ 82.524874] RTL871X: module init ret=0[root@x210v3 home]#

本来打印信息有很多的，我在源码 include/autoconf.h 中屏蔽了#define CONFIG_DEBUG 如果需要打印全信息 在源码中放开这行注释就行了。

开启wlan0网卡：# ifconfig wlan0 up

[root@x210v3 home]# ifconfig wlan0 up[root@x210v3 home]# ifconfig eth0 down[root@x210v3 home]# ifconfiglo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0inet6 addr: ::1/128 Scope:HostUP LOOPBACK RUNNING MTU:16436 Metric:1RX packets:0 errors:0 dropped:0 overruns:0 frame:0TX packets:0 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)wlan0Link encap:Ethernet HWaddr 60:42:7F:76:D9:E9 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1RX packets:50 errors:0 dropped:3 overruns:0 frame:0TX packets:0 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)[root@x210v3 home]#

编辑 /etc/wpa_supplicant.conf文件内容如下：

：ctrl_interface=/var/run/wpa_supplicantnetwork={key_mgmt=WPA-PSK#WiFi名称ssid="*******"#WiFi密码psk="*********"}

连接网络#wpa_supplicant -B -c /etc/wpa_supplicant.conf -i wlan0

[root@x210v3 home]# wpa_supplicant -B -c /etc/wpa_supplicant.conf -i wlan0Successfully initialized wpa_supplicant[ 422.563815] RTL871X: nolinked power save leave[ 422.573330] RTL871X: set bssid:00:00:00:00:00:00[ 422.577015] RTL871X: set ssid [gÆisQÿJì)ͺ«òûãF|ÂTøZ.c3ŸÉš ] fw_state=0x00000008ioctl[SIOCSIWAP]: Operation not permittedioctl[SIOCSIWENCODEEXT]: Invalid argumentioctl[SIOCSIWENCODEEXT]: Invalid argument[root@x210v3 home]# [ 423.922443] RTL871X: indicate disassoc[ 423.928499] RTL871X: set ssid [Xiaomi_310] fw_state=0x00000008[ 423.933107] RTL871X: set bssid:f0:b4:29:d4:d1:78[ 424.146620] RTL871X: start auth[ 424.165219] RTL871X: auth success, start assoc[ 424.189771] RTL871X: assoc success[ 424.191876] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready[root@x210v3 home]#

编辑/etc/network/interface文件

增加wlan0的描述

# Configure Loopbackauto loiface lo inet loopbackauto eth0iface eth0 inet dhcp#增加wlan0的配置auto wlan0iface wlan0 inet dhcp

查看连接状态：wpa_cli -i wlan0 status

[root@x210v3 home]# [root@x210v3 home]# wpa_cli -i wlan0 statusbssid=f0:b4:29:d4:d1:78ssid=Xiaomi_310id=0mode=stationpairwise_cipher=CCMPgroup_cipher=TKIPkey_mgmt=WPA2-PSKwpa_state=ASSOCIATEDaddress=60:42:7f:76:d9:e9

已经连上了

然后分配网关 ip地址等，使用udhcpc自动分配

[root@x210v3 home]# udhcpc -i wlan0udhcpc (v1.21.0) startedSending discover...Sending select for 192.168.31.186...Lease of 192.168.31.186 obtained, lease time 43200deleting routersroute: SIOCDELRT: No such processadding dns 192.168.31.1

使用ifconfig查看是否分配成功

[root@x210v3 home]# ifconfig wlan0wlan0Link encap:Ethernet HWaddr 60:42:7F:76:D9:E9 inet addr:192.168.31.186 Bcast:192.168.31.255 Mask:255.255.255.0inet6 addr: fe80::6242:7fff:fe76:d9e9/64 Scope:LinkUP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1RX packets:23 errors:0 dropped:18707 overruns:0 frame:0TX packets:6 errors:0 dropped:1 overruns:0 carrier:0collisions:0 txqueuelen:1000 RX bytes:80615 (78.7 KiB) TX bytes:5652 (5.5 KiB)[root@x210v3 home]#

如上已经分配成功

至此移植完成，最后检查一下可以ping通百度不

[root@x210v3 home]# ping PING (14.215.177.37): 56 data bytes64 bytes from 14.215.177.37: seq=0 ttl=54 time=14.371 ms64 bytes from 14.215.177.37: seq=1 ttl=54 time=9.603 ms64 bytes from 14.215.177.37: seq=2 ttl=54 time=9.518 ms64 bytes from 14.215.177.37: seq=3 ttl=54 time=9.451 ms64 bytes from 14.215.177.37: seq=4 ttl=54 time=10.404 ms64 bytes from 14.215.177.37: seq=5 ttl=54 time=9.721 ms64 bytes from 14.215.177.37: seq=6 ttl=54 time=9.927 ms64 bytes from 14.215.177.37: seq=7 ttl=54 time=9.753 ms64 bytes from 14.215.177.37: seq=8 ttl=54 time=10.090 ms64 bytes from 14.215.177.37: seq=9 ttl=54 time=15.682 ms64 bytes from 14.215.177.37: seq=10 ttl=54 time=9.876 ms--- ping statistics ---11 packets transmitted, 11 packets received, 0% packet lossround-trip min/avg/max = 9.451/10.763/15.682 ms

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