【实践驱动开发2-001】wifi 在android 下的实现 - AR6000 系列移植详细步骤

说明之前：文档建立在实际的项目中：

硬件环境是三星x210,软件是android4.0 ubuntu13.04

1  如何获取驱动：

1.1 AR6000 3.1的资源包最新可以找到的地方： 2014-5

http://git.omnilab.sjtu.edu.cn/chen_xm/linux-sunxi/tree/917c1c8cba6f33d53b68a1020d49d4da532e3329/modules/wifi/ar6003

https://github.com/psyke83/AR6kSDK.3.0

1.2 利用git可以拿到网上的资料：

Hacking on ath6kl

ath6kl is now part of wireless kernel trees. All the development happens in githubgithub's ath6kl project. To clone the tree:

git clone git://github.com/kvalo/ath.git

The driver is located in drivers/net/wireless/ath/ath6kl. To compile the driver enable CONFIG_ATH6KL which is found under Device Drivers/Network device support/Wireless LAN/Atheros Wireless Cards/Atheros ath6kl support. Also enable CONFIG_ATH6KL_DEBUG to include all debugging code.

Send any patches to Kalle Valo < [email protected] >, but remember also to CC both < [email protected] > and < [email protected]. To learn more about git you can refer to our Git guide. It even documents how to send patches with git format-patch.

ref:

http://wireless.kernel.org/en/users/Drivers/ath6kl

1.3 最新的SDK应该还是在GIT上拿到的，利用GIT注册后，安装git的工具就可以下载。

https://github.com/CyanogenMod/AR6kSDK.3.1

2 wifi 驱动的编译(in linux)：

讲到AR6K的编译我们大致有两种思路：在内核内找 或者 单独编译源码包

2.1 利用源码包进行编译

【提问】这个驱动是不是在内核里面，还是就是在其他地方？

1.0 android 内核驱动的路径：编译之前你得想想源码该放哪里呢？

【提问】当我们从网上拿到一个驱动的源码包的时候，驱动源码应该默认放在android的那个文件夹下面那？

【回答】其实放在那里都一样，关键是，输出的ko的路径，和你的kernel的配置.当然，作为一个严谨的驱动开发者，必须考虑路径的严谨性。

这样在将来做自动配置的时候会有一个很好的逻辑。

ref:

http://blog.csdn.net/wh_19910525/article/details/7393615

【实践】

我把驱动源文件放到如下目录：【驱动文件】

WIFI Driver = hanson@hanson-desktop:~/x210_ics_rtm_v13/hardware/qcom$ 

然后参照厂家的手册：check the guide of the software ：

Modify <WIFI Driver>/host/localmake.linux.inc             
ATH_ANDROID_ENV := yes                                    
Build for Android system                                  
ATH_SOFTMAC_FILE_USED :=yes                               
Use MAC address which is stored in /system/wifi/softmac   
ATH_HTC_RAW_INT_ENV := yes                                
TCMD support                                              
ATH_AR6K_OTA_TEST_MODE := no                              
Don’t enable power saving for OTA mode    

           
ATH_CROSS_COMPILE_TYPE := $(ANDROID_SDK)/…/toolchain/…/a

【实践】
ATH_CROSS_COMPILE_TYPE := /usr/local/arm/arm-2009q3/bin/arm-none-linux-gnueabi-

ATH_BUS_TYPE:=SDIO                                        
ATH_BUS_SUBTYPE:= linux_sdio  

 
ATH_LINUXPATH := <Your kernel source path>                
Android/out/target/product/xxxx/obj/KERNEL_OBJ   

【实践】

ATH_LINUXPATH := ~/x210_ics_rtm_v13/kernel

 
Type ‘make’ to make the driver                          
host/.output/$(ATH_BUILD)‐$(ATH_BUS_TYPE)/image/ar6000.ko

【实践】在Host 目录进行编译，结果正确生成ko文件。

我选用了git上的AR6kSDK.build_3.1_RC.734包进行编译

hanson@hanson-desktop:~/x210_ics_rtm_v13/hsy_others/ar6k/AR6kSDK.3.1-master/AR6kSDK.build_3.1_RC.734/host$ make

make[1]: Leaving directory `/home/hanson/x210_ics_rtm_v13/hsy_others/ar6k/AR6kSDK.3.1-master/AR6kSDK.build_3.1_RC.734/host/hif/sdio'
cp -f /home/hanson/x210_ics_rtm_v13/hsy_others/ar6k/AR6kSDK.3.1-master/AR6kSDK.build_3.1_RC.734/host/os/linux/ar6000.ko /home/hanson/x210_ics_rtm_v13/hsy_others/ar6k/AR6kSDK.3.1-master/AR6kSDK.build_3.1_RC.734/host/.output/X210_ARM_NATIVEMMC-SDIO/image
/usr/local/arm/arm-2009q3/bin/arm-none-linux-gnueabi-strip -g -S -d /home/hanson/x210_ics_rtm_v13/hsy_others/ar6k/AR6kSDK.3.1-master/AR6kSDK.build_3.1_RC.734/host/.output/X210_ARM_NATIVEMMC-SDIO/image/ar6000.ko

2.2 利用内核自带的驱动选择编译：

参考：

8192CU WIFI驱动移植

http://blog.chinaunix.net/uid-22910619-id-2606845.html

将wifi固件编译进内核，成功加载sdio wifi模块

http://wenku.baidu.com/link?url=ugCp3bKE1I_SArudXby2wpbx-927FHTi5lcxdPVMZMWDWb78AGDN8H564mcBmeJ9-TopLc9t5zin06XqfXmIKgBpvUavKOdcmXHD0NMh9Rq

3  linux　下的配置：

calmake.linux.inc，
参考如下：

#ATH_BUILD_TYPE := <Platform (Eg: LOCAL_i686)>
#ATH_BUS_TYPE := <Interconnect type (Eg: SDIO, SPI)>
#ATH_LINUXPATH := <Pointer to kernel source (Eg: /<path>/fc3-i686-2.6.9)>
#ATH_ARCH_CPU_TYPE := <Type of architecture (Eg: arm)>
#ATH_CROSS_COMPILE_TYPE := <Path to the compiler toolchain - Eg: (/<path>/arm_v4t_le-)
#ATH_OS_SUB_TYPE := <Kernel version - (Eg: linux_2_4, linux_2_6)>
#ATH_CFG80211_ENV := <yes or no>

ATH_BUILD_TYPE := LOCAL_i686
ATH_BUS_TYPE := SDIO
ATH_LINUXPATH := /usr/src/linux-headers-2.6.32-21-generic
ATH_ARCH_CPU_TYPE := arm
ATH_OS_SUB_TYPE := linux_2_6
ATH_HC_DRIVERS := 'pci_ellen/ pci_std/'
ATH_BUS_SUBTYPE := linux_sdio
#export ATH_EEPROM_FILE_USED:=yes
export ATH_ANDROID_ENV := yes
#export ATH_UPDATA_MAC_EEPROM := yes
ATH_DEBUG_DRIVER := yes
ATH_AR6K_BUILTIN_HCI_TRANSPORT := yes

【hsy75案】firmware的装载地址是可以在下面的头文件配置的

2.驱动包编译成功后，将附件固件放在默认路径ath6k/AR6003/hw2.0/下，
（该目录也可根据自己的需要在驱动代码AR6kSDK.3.0_RC.205\host\os\linux\include\ar6000_drv.h
中进行修改。）然后insmod ar6000.ko即可。

手动编译配置：

Build the driver externally (Debug purpose)
1. Modify AR6kSDK.3.0_RC.375/host/localmake.linux.inc
2. Define your Android product name as ATH_BSP_TYPE
3. Define your android bsp path as ATH_ANDROID_ROOT
4. Define your kernel full path as ATH_LINUXPATH
5. cd to host/
6. type "make" to make the driver
7. the driver will be output into
AR6kSDK.3.0_RC.375/host/.output/$(ATH_BSP_TYPE)_ARM_NATIVEMMC-SDIO/
image/ar6000.ko
8. adb push ar6000.ko /system/wifi/
9. adb shell mkdir -p /system/wifi/ath6k/AR6003/hw2.0
10. Push the following firmware binaries to the directory in above step
adb push athwlan.bin.z77 /system/wifi/ath6k/AR6003/hw2.0
adb push otp.bin.z77 /system/wifi/ath6k/AR6003/hw2.0
adb push data.patch.hw2_0.bin /system/wifi/ath6k/AR6003/hw2.0/
data.patch.bin
adb push fakeBoardData_AR6003_v2_0.bin /system/wifi/ath6k/AR6003/hw2.0/
bdata.SD31.bin

4  Android　下的配置：

在第二节的内容我们谈到了编译文件的路径问题，芯片公司对android的参考设置如下：

File structure

【案】这就是我们第一届可以从网上下载的源码
android/system/wlan/atheros/AR6kSDK.3.0_RC.375
GPL driver and utilities source code
android/system/wlan/atheros/AR6kSDK.3.0_RC.375-proprietary
Atheros proprietary firmware and utilities

【案】android wifi 的扩展工具集，也可以通过网上查找获得
android/external/wireless_tools.29
Wireless extension utilities. GPL license
android/external/ath_supplicant-0.6.10
wpa_supplicant 0.6.10 from Atheros.
android/external/iperf-2.0.4
Network performance testing tools
android/external/dnsmasq-2.55
DHCP server of AP mode for Android less than 2.2 It will not be built if Android
version =2.2

编译配置：

配置内核

make menuconfig

然后 enable wifi extention

修改板级别配置

【andorid]\device\samsung\x210\BoardConfig.mk

#Add for wifi
BOARD_WIFI_VENDOR := atheros
ifeq ($(BOARD_WIFI_VENDOR), atheros)
    
    #指定wpa_supplicant版本
    WPA_SUPPLICANT_VERSION := VER_0_8_ATHEROS     
    #If using Android default wpa_supplicant 0.6.10
    #WPA_SUPPLICANT_VERSION := VER_0_6_ATHEROS
    
    BOARD_WPA_SUPPLICANT_DRIVER := WEXT

    #驱动位置
    BOARD_WLAN_ATHEROS_SDK := system/wlan/atheros/AR6kSDK.build_3.1_RC.734
    
    BOARD_WPA_SUPPLICANT_DRIVER := AR6000
    WPA_BUILD_SUPPLICANT := true
 
    #select wake on wireless mode for ar6k
    HOSTAPD_VERSION := VER_0_8_ATHEROS
    
    BOARD_WLAN_PM_SUSPEND :=2
    CONFIG_CTRL_IFACE := y

    #for other board
    #BOARD_WLAN_DEVICE                        := ar6003
    #BOARD_HAS_ATH_WLAN                      := true
    #WPA_SUPPLICANT_VERSION                  := VER_0_8_ATHEROS
    #WIFI_DRIVER_MODULE_PATH                  := "/system/lib/modules/ath6kl_sdio.ko"
    #WIFI_DRIVER_MODULE_NAME                  := "ath6kl_sdio"
    #WIFI_DRIVER_MODULE_ARG                  := "suspend_mode=3 wow_mode=2 ar6k_clock=26000000 ath6kl_p2p=1"
    #WIFI_DRIVER_P2P_MODULE_ARG              := "suspend_mode=3 wow_mode=2 ar6k_clock=26000000 ath6kl_p2p=1 debug_mask=0x2413"
    #WIFI_SDIO_IF_DRIVER_MODULE_PATH          := "/system/lib/modules/cfg80211.ko"
    #WIFI_SDIO_IF_DRIVER_MODULE_NAME          := "cfg80211"
    #WIFI_SDIO_IF_DRIVER_MODULE_ARG          := ""
    #WIFI_COMPAT_MODULE_PATH                  := "/system/lib/modules/compat.ko"
    #WIFI_COMPAT_MODULE_NAME                  := "compat"
    #WIFI_COMPAT_MODULE_ARG                  := ""

endif

当然，如果按照手动的方式编译好了也是可以，不过既然在andorid，那么在文件夹下面修改android.mk是个标准的方法。

在驱动源 folder 进行修改：

【andorid】\system\wlan\atheros\AR6kSDK.build_3.1_RC.734\host\Android.mk

ifeq ($(TARGET_PRODUCT),$(filter $(TARGET_PRODUCT),qsd8250_surf qsd8250_ffa msm7627_surf msm7627_ffa msm7627a msm7625_ffa msm7625_surf msm7630_surf full_x210))
#export  ATH_LINUXPATH=$(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
#ATH_CROSS_COMPILE_TYPE:=$(ATH_ANDROID_ROOT)/prebuilt/linux-x86/toolchain/arm-eabi-4.3.1/bin/arm-eabi-

ATH_CROSS_COMPILE_TYPE:=/usr/local/arm/arm-2009q3/bin/arm-none-linux-gnueabi-
ATH_LINUXPATH:=/home/hanson/x210_ics_rtm_v13/kernel


endif
$(mod_file) : $(mod_cleanup) $(ACP)
    $(MAKE) ARCH=arm CROSS_COMPILE=$(ATH_CROSS_COMPILE_TYPE) -C $(ATH_LINUXPATH) ATH_HIF_TYPE=$(ATH_HIF_TYPE) PLAT_WOW_GPIO_PIN=$(board_wow_gpio) SUBDIRS=$(ATH_SRC_BASE)/os/linux modules
    $(ATH_ANDROID_ROOT)/$(ACP) $(ATH_TARGET_OUTPUT)/$(ATH_ANDROID_SRC_BASE)/host/os/linux/ar6000.ko $(ATH_ANDROID_ROOT)/$(TARGET_OUT)/wifi/
    $(warning STEP3...................)

编译实践1：

我在另外一个博文里面有比较详细的阐述：请参阅如下：

http://blog.csdn.net/yellow_hill/article/details/27327203

编译实践2：

android.mk 的一些变量通过：

设置在andorid.mk设置命令打印出来：

$(warning $(mod_file) mod_file)
$(warning $(mod_cleanup)  mod_cleanup)
$(warning $(TARGET_PREBUILT_KERNEL)   TARGET_PREBUILT_KERNEL)
$(warning $(ACP)   ACP)

$(warning $(ATH_CROSS_COMPILE_TYPE)   ATH_CROSS_COMPILE_TYPE)
$(warning $(ATH_LINUXPATH)   ATH_LINUXPATH)
$(warning $(ATH_HIF_TYPE)   ATH_HIF_TYPE)
$(warning $(board_wow_gpio)   board_wow_gpio)
$(warning $(ATH_SRC_BASE)   ATH_SRC_BASE)

$(warning $(ATH_TARGET_OUTPUT)  ATH_TARGET_OUTPUT)
$(warning $(ATH_ANDROID_SRC_BASE)  ATH_ANDROID_SRC_BASE)
$(warning $(TARGET_OUT)  TARGET_OUT)

============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=4.0.4
TARGET_PRODUCT=full_x210
TARGET_BUILD_VARIANT=eng
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=arm
TARGET_ARCH_VARIANT=armv7-a-neon
HOST_ARCH=x86
HOST_OS=linux
HOST_BUILD_TYPE=release
BUILD_ID=IMM76L
============================================
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:39: full_x210
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:40: system/wlan/atheros/AR6kSDK.build_3.1_RC.734
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:41: /home/hanson/x210_ics_rtm_v13
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:137: /home/hanson/x210_ics_rtm_v13/system/wlan/atheros/AR6kSDK.build_3.1_RC.734
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:146: out/target/product/x210/system/wifi/ar6000.ko mod_file
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:147: /home/hanson/x210_ics_rtm_v13/system/wlan/atheros/AR6kSDK.build_3.1_RC.734  mod_cleanup
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:148:    TARGET_PREBUILT_KERNEL
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:149: out/host/linux-x86/bin/acp   ACP
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:151: /usr/local/arm/arm-2009q3/bin/arm-none-linux-gnueabi-   ATH_CROSS_COMPILE_TYPE
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:152: /home/hanson/x210_ics_rtm_v13/kernel   ATH_LINUXPATH
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:153: sdio   ATH_HIF_TYPE
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:154:    board_wow_gpio
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:155: /home/hanson/x210_ics_rtm_v13/system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host   ATH_SRC_BASE
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:157: /home/hanson/x210_ics_rtm_v13  ATH_TARGET_OUTPUT
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:158: system/wlan/atheros/AR6kSDK.build_3.1_RC.734  ATH_ANDROID_SRC_BASE
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:159: out/target/product/x210/system  TARGET_OUT
system/wlan/atheros/AR6kSDK.build_3.1_RC.734/host/Android.mk:174: STEP2..............

正常编译：

输出的编译结果放在如下的文件夹：android/out/target/product/<your-vendor-product>/system/wifi/

修改控制wifi管理函数库

Android中通过wpa_supplicant控制wifi。

wpa_supplicant通过socket与hardware/libhardware_legacy/wifi/wifi.c通信，

当在UI开启wifi的时候首先要加载wifi模块驱动，然后开启wpa_supplicant配置文件，因此在wifi.c中修改驱动和配置文件的对应位置。

#ifndef WIFI_DRIVER_MODULE_PATH

#define WIFI_DRIVER_MODULE_PATH "/system/wifi/ar6000.ko"

#endif

#ifndef WIFI_DRIVER_MODULE_NAME

#define WIFI_DRIVER_MODULE_NAME "ar6000"

#endif

#ifndef WIFI_DRIVER_MODULE_ARG

#define WIFI_DRIVER_MODULE_ARG ""

#endif

#ifndef WIFI_FIRMWARE_LOADER

#define WIFI_FIRMWARE_LOADER ""

#endif

#define WIFI_TEST_INTERFACE "wlan0"

修改wpa_supplicant.conf 把external/ath_supplicant-0.8.x/wpa_supplicant/wpa_supplicant.conf拷贝到out/target/product/smdkv210/system/etc/wifi/目录下，

ctrl_interface=DIR=/data/misc/wifi/wpa_supplicant GROUP=wifi //wlan0在这个目录下 eapol_version=1 ap_scan=0 // fast_reauth=1

修改dhcp配置

在/system/etc/dhcpcd/dhcpcd.conf中修改

interface wlan0

option subnet_mask, routers, domain_name_server

配置路径和权限

wpa_supplicant运行在wifi用户和组下的。代码可见wpa_supplicant/os_unix.c 中的os_program_init()函数。

如果系统的/system目录为只读，那应该使用路径/data/misc/wifi/wpa_supplicant.conf.

确认init.rc中有如下配置：

cd ../<myandroid>/device/samsung/smdkv210

vi init.rc

# give system access to wpa_supplicant.conf for backup and restore

mkdir /data/misc/wifi 0770 wifi wifi

chmod 0770 /data/misc/wifi

chmod 0660 /data/misc/wifi/wpa_supplicant.conf

chmod 0660 /data/misc/wifi/hostapd.conf

mkdir /data/misc/wifi/sockets 0770 wifi wifi

chmod 0770 /data/misc/wifi/sockets

mkdir /data/misc/dhcp 0770 dhcp dhcp

chmod 0770 /data/misc/dhcp

chmod 0775 /system/etc/dhcp/dhcp-run-hooks setprop wifi.interface wlan0

配置运行wpa_supplicnat、dhcp和hostapd 在init.rc中添加如下语句：

service wpa_supplicant /system/bin/logwrapper /system/bin/wpa_supplicant -dd -Dwext -iwlan0 -c /data/misc/wifi/wpa_supplicant.conf

user root

group wifi inet

socket wpa_wlan0 dgram 660 wifi wifi

oneshot

service dhcpcd /system/bin/logwrapper /system/bin/dhcpcd -d -B wlan0

disabled

oneshot

service hostapd /system/bin/hostapd /system/etc/wifi/hostapd.conf

group wifi inet

oneshot

disabled

需要参考的文档如下：

1 AR6003 SDK for Android

2 RAK310 WIFI 通信模块

3 AR6003 for Android Platform

遇到的问题：

1 在利用内核自带的driver时候遇到的问题，因为是3.0的内核，所以，驱动还是在staging目录：

*************************
PLATFORM:
BSP:      GT-I5500
*************************
mkdir --parents /home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/.output/GT-I5500_ARM_NATIVEMMC-SDIO/image
mkdir --parents /home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/.output/bin
make  ARCH=arm  CROSS_COMPILE=/usr/local/arm/arm-2009q3/bin/arm-none-linux-gnueabi- -C ~/x210_ics_rtm_v13/kernel ATH_HIF_TYPE=`echo SDIO | tr [:upper:] [:lower:]` SUBDIRS=/home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux modules
make[1]: Entering directory `/home/hanson/x210_ics_rtm_v13/kernel'
  CC [M]  /home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux/../../hif/sdio/linux_sdio/src/hif.o
  CC [M]  /home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux/../../hif/sdio/linux_sdio/src/hif_scatter.o
/home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux/../../hif/sdio/linux_sdio/src/hif_scatter.c: In function 'SetupHIFScatterSupport':
/home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux/../../hif/sdio/linux_sdio/src/hif_scatter.c:284: error: 'struct mmc_host' has no member named 'max_hw_segs'
/home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux/../../hif/sdio/linux_sdio/src/hif_scatter.c:285: error: 'struct mmc_host' has no member named 'max_hw_segs'
/home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux/../../hif/sdio/linux_sdio/src/hif_scatter.c:285: error: 'struct mmc_host' has no member named 'max_hw_segs'
make[2]: *** [/home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux/../../hif/sdio/linux_sdio/src/hif_scatter.o] Error 1
make[1]: *** [_module_/home/hanson/x210_ics_rtm_v13/hardware/qcom/AR6K/host/os/linux] Error 2
make[1]: Leaving directory `/home/hanson/x210_ics_rtm_v13/kernel'
make: *** [modules] Error 2

【原因】网上找了一下是kernel版本的问题
The problem is because the mmc stack is out of sync in Greg's staging tree and Stephen's linux-next tree. Greg asked me to generate a patch which I did and emailed to Greg.
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网上参考文献链接：

 freescare 移植实例：

How to Support New WiFi Card in Android

https://community.freescale.com/docs/DOC-93603

1 一份重要的移植参考：

Atheros AR6003 SDIO WiFi Integration

https://developer.ridgerun.com/wiki/index.php/Atheros_AR6003_SDIO_WiFi_Integration#Open_Source_project

AR6K 实际项目做过者的博客：

AR6003 wifi模块在linux 2.6.36下的编译

http://hi.baidu.com/hst_jiangbo/item/a622cdca611e3d0ec610b23e

WR6000 --sdio 接口的 WIFI芯片 驱动的交叉编译

http://blog.chinaunix.net/uid-21143149-id-1830087.html

AR6K 一个网上最新的源码

(linux )

http://www.pudn.com/downloads515/sourcecode/unix_linux/network/detail2139419.html

（wince）

http://cewifidriverar6000.codeplex.com/SourceControl/latest#AR6K

2 AR6K 如果是SDIO 接口的话，下面的参考很有用，这是一个系列的博

linux下MMC/SD/SDIO驱动系列之一 ---- 概述

http://blog.csdn.net/xieweihua2012/article/details/12785491

linux下MMC/SD/SDIO驱动系列之二 ---- host注册过程（一）

http://blog.csdn.net/xieweihua2012/article/details/12844733

linux下MMC/SD/SDIO驱动系列之三 ---- host注册过程（二）

http://blog.csdn.net/xieweihua2012/article/details/12918763

linux下MMC/SD/SDIO驱动系列之四 ---- SDIO的识别与操作
http://blog.csdn.net/xieweihua2012/article/details/13984405

3 android 下的wifi的移植说明，

来自于google 网站

http://www.kandroid.org/online-pdk/guide/wifi.html

来自其他的博客：

Android下WIFI功能移植

http://www.2cto.com/kf/201209/156221.html

android wifi驱动移植详细过程

http://bbs.imp3.net/thread-10558924-1-1.html

Android平台开发-WIFI 驱动移植 -- 详细

http://blog.csdn.net/wh_19910525/article/details/7392199

wifi详解（5）

http://www.myexception.cn/mobile/548582.html

Porting WiFi drivers to Android

http://hi.baidu.com/aokikyon/item/db9ef9c07dcb77c6984aa00d

Android WIFI 驱动移植 

http://blog.163.com/gl_jiang@126/blog/static/76100972201312832333879

Freescare wifi 移植说明：

https://community.freescale.com/docs/DOC-93603

SPI/SDIO 接口比较

http://wenku.baidu.com/link?url=Bx3P21vwKxQt0leLbQRrGjJ5uipzZdKf68O3ycboWZyJ78VLNpMmUINGoefTg5h91onPZmYMVwU9HU7MTt0Wv8bHmz7TsNq1OXxBpNUEItG

4 一些编译的问题

http://blog.chinaunix.net/uid-21696322-id-430774.html

5 系统集成实例

基于FS2410的SDIO WIFI移植

http://blog.csdn.net/bailyzheng/article/details/7492650

S​D​I​O​ ​W​I​F​I​模​块​安​卓​系​统​R​A​K​3​1​0​_​A​N​D​模​块​用​户​手​册

http://wenku.baidu.com/link?url=fUzMmS9sl_ZuLHrdvKAT57P56VhzOHuKbcKGdE9uNqfY25thTKUlSSKXo_I-lH931dkRF68nO8OVoIA6IukQaINA-p6eGdJYsdesN99dl0K

6 一些讨论：

http://rootzwiki.com/topic/3552-the-kryptonite-project-touchpad-hardware-subsystems-and-a-kernel-to-match/page-10

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