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CubieBoard1 Android 固件制作(支持RTL8187驱动+OV5640UVC摄像头)

1.编译环境搭建

参考官网文档

2.解压固件

解压：tar -zxvf /xxx/xxx/A10-android4.0.tar.gz

3.配置内核

如果没有需要，可以略过。
进入根目录： cd kernel/allwinner/common/。
配置内核：make ARCH=arm menuconfig。
进入了UI界面：Linux/arm 3.0.52 Kernel Configuration。
移动到最后一行并选择：Load an Alternate Configuration File 。
加载默认的配置并确定：arch/arm/configs/cubieboard_defconfig。
现在正式开始配置：

a.增加UVC Camera支持
		Device Drivers  --->   
				Multimedia support  --->   
						Video capture adapters  --->  
								V4L USB devices (NEW)  ---> 
										<M>   USB Video Class (UVC)  
b.增加USB WIFI 8187芯片支持 
		kconfig中有提示：
		tristate "Realtek 8187 and 8187B USB support"
		depends on MAC80211 && USB
		select EEPROM_93CX6
		LED配置：                
		depends on RTL8187 && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = RTL8187)
		default y
		
		配置一下：
		Networking support  --->
				Wireless  --->  
						<M>   Generic IEEE 802.11 Networking Stack (mac80211) 
						[*]   Enable LED triggers  (这个就是MAC80211_LEDS)
		Device Drivers  --->
				Misc devices  ---> 
						EEPROM support  ---> 
								EEPROM 93CX6 support  
				Network device support  --->    
						Wireless LAN  --->  
										<M>   Realtek 8187 and 8187B USB support 
										<M>   Realtek 8192C USB WiFi for SW 
										<M>   Realtek 8188E USB WiFi
c.增加串口驱动支持（默认配置即可）
		Device Drivers  --->  
				Character devices  --->
						Serial drivers  --->  
								
退出并保存。

4.修改framework配置

a. device/allwinner/cubieboard/BoardConfig.mk
    因为手头的USB WIFI 芯片是8187的，有一大堆需要修改的：
    #WIFI_DRIVER_MODULE_PATH          := "/system/lib/modules/8192cu.ko"
    #WIFI_DRIVER_MODULE_NAME          := 8192cu
    WIFI_DRIVER_MODULE_PATH          := "/system/lib/modules/rtl8187.ko"         #新增
    WIFI_DRIVER_MODULE_NAME          := rtl8187                                  #新增

    SW_BOARD_USR_WIFI := rtl8187                                                 #新增
    BOARD_WLAN_DEVICE := rtl8187                                                 #新增

    #SW_BOARD_USR_WIFI := rtl8192cu
    #BOARD_WLAN_DEVICE := rtl8192cu

    最后检查一下，要确保这个生效： BOARD_WIFI_VENDOR := realtek。

b. device/allwinner/cubieboard/camera.cfg
    修改配置，把默认CSI的CAMERA设备文件（/dev/video1）改成UVC的CAMERA 设备文件：/dev/video0
    camera_device = /dev/video0

c. hardware/libhardware_legacy/wifi/wifi.c
    在8188前面增加配置：
    #elif defined RTL_8187_WIFI_USED
    /* rtl8192cu usb wifi */
    #ifndef WIFI_DRIVER_MODULE_PATH
    #define WIFI_DRIVER_MODULE_PATH         "/system/lib/modules/rtl8187.ko"
    #endif
    #ifndef WIFI_DRIVER_MODULE_NAME
    #define WIFI_DRIVER_MODULE_NAME         "rtl8187"
    #endif

d. hardware/libhardware_legacy/wifi/Android.mk
    增加：
    ifeq ($(SW_BOARD_USR_WIFI), rtl8187)
    LOCAL_CFLAGS += -DRTL_8187_WIFI_USED
    LOCAL_CFLAGS += -DRTL_WIFI_VENDOR
    endif

e.device/allwinner/cubieboard/init.sun4i.rc
    在boot下追加：
    insmod /system/lib/modules/uvcvideo.ko
    insmod /system/lib/modules/mac80211.ko
    insmod /system/lib/modules/eeprom_93cx6.ko
    mac80211.ko 和 eeprom_93cx6.ko 是8187依赖的模块，网络和led灯，确保启动后能挂载。

f.tools/pack/chips/sun4i/configs/crane/cubieboard/sys_config1.fex
    启用串口4，找到 uart_para4 ，uart_used = 1即可打开。
    查询硬件图纸，应该可以找到对应U15模块的 17和18号的引脚为TX 和 RX。
    port 默认是PH04 和PH05，但是实际上并非如此，对应的应该是PG10和PG11.
    检查一下CSI1 是used 状态，并占用了PG00 -PG12，CSI1因为没有用到，就可以关闭了。

g.device/allwinner/commom/hardware/realtek/wlan/driver_cmd_nl80211.c
    从网络上参考到的修改，这个是无奈之举，会导致AP热点不能使用，但是STA模式可用。
    add "return 0;" line 214:
    vi device/allwinner/commom/hardware/realtek/wlan/driver_cmd_nl80211.c
    int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf,
						  size_t buf_len )
    {
		struct i802_bss *bss = priv;
		struct wpa_driver_nl80211_data *drv = bss->drv;
		struct ifreq ifr;
		android_wifi_priv_cmd priv_cmd;
		int ret = 0;
		//test for STA MODE
		return 0;
		if (os_strcasecmp(cmd, "STOP") == 0) {

5.开始编译固件

source build/envsetup.sh
lunch
4
make
可能出来的错误：
1. frameworks/base/include/utils/KeyedVector.h:193:31: note: use ‘this->indexOfKey’ instead
make: *** [out/host/linux-x86/obj/EXECUTABLES/aapt_intermediates/AaptAssets.o] Error 1
fix:
vi frameworks/base/tools/aapt/Android.mk
Add '-fpermissive' to line 31:
LOCAL_CFLAGS += -Wno-format-y2k -fpermissive

2.frameworks/base/include/utils/KeyedVector.h:193:31: note: use ‘this->indexOfKey’ instead
make: *** [out/host/linux-x86/obj/STATIC_LIBRARIES/libutils_intermediates/AssetManager.o] Error 1
fix:
vi frameworks/base/libs/utils/Android.mk
Add '-fpermissive' to line 64:
LOCAL_CFLAGS += -DLIBUTILS_NATIVE=1 $(TOOL_CFLAGS) -fpermissive

3.external/srec/tools/thirdparty/OpenFst/fst/lib/connect.h:102:36: warning: unused parameter ‘arc’ [-Wunused-parameter]
bool TreeArc(StateId s, const A &arc) { return true; }
							^
make: *** [out/host/linux-x86/obj/EXECUTABLES/grxmlcompile_intermediates/grxmlcompile.o] Error 1
fix:
cd external/srec
wget "https://github.com/CyanogenMod/android_external_srec/commit/4d7ae7b79eda47e489669fbbe1f91ec501d42fb2.diff"
patch -p1 < 4d7ae7b79eda47e489669fbbe1f91ec501d42fb2.diff
rm -f 4d7ae7b79eda47e489669fbbe1f91ec501d42fb2.diff
cd ../..

4.make[2]: *** [prepare3] Error 1
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory `/home/sys3/work/A10/A10-android4.0/kernel/allwinner/common'
fix:
cd kernel/allwinner/common
make mrproper
cd ../../..

5.scripts/kconfig/zconf.tab.c fatal error: zconf.tab.c: No such file or directory
scripts/kconfig/zconf.hash.c fatal error: zconf.hash.c: No such file or directory
scripts/kconfig/lex.zconf.c fatal error: lex.zconf.c: No such file or directory
fix:
cd kernel/allwinner/common
cp scripts/kconfig/zconf.tab.c_shipped scripts/kconfig/zconf.tab.c
cp scripts/kconfig/zconf.hash.c_shipped scripts/kconfig/zconf.hash.c
cp scripts/kconfig/lex.zconf.c_shipped scripts/kconfig/lex.zconf.c
cd ../../..

6.dalvik/vm/native/dalvik_system_Zygote.cpp:217:43: error: ‘setrlimit’ was not declared in this scope
 err = setrlimit(contents[0], &rlim);
								   ^
make: *** [out/host/linux-x86/obj/SHARED_LIBRARIES/libdvm_intermediates/native/dalvik_system_Zygote.o] Error 1
fix:
vi dalvik/vm/native/dalvik_system_Zygote.cpp
Add '#include <sys/resource.h>' to line 22:
#include "Dalvik.h"
#include "native/InternalNativePriv.h"
#include <sys/resource.h>
#include <signal.h>

7./cubieboard/obj/STATIC_LIBRARIES/libstagefright_rtsp_intermediates/libstagefright_rtsp.a: No such file or directory
make: *** [out/target/product/cubieboard/obj/SHARED_LIBRARIES/libCedarX_intermediates/LINKED/libCedarX.so] Error 1
fix:
vi frameworks/base/media/libstagefright/Android.mk 
Add 'libstagefright_rtsp \' to line 91:
libFLAC \
libstagefright_rtsp \

ifeq ($(CEDARX_DEBUG_FRAMEWORK),Y)

8.BEGIN failed--compilation aborted at external/webkit/Source/WebCore/make-hash-tools.pl line 23.
make: *** [out/target/product/cubieboard/obj/STATIC_LIBRARIES/libwebcore_intermediates/Source/WebCore/html/DocTypeStrings.cpp] Error 2
fix:
sudo apt-get install libswitch-perl 

9.frameworks/base/include/utils/KeyedVector.h:193:31: note: use ‘this->indexOfKey’ instead
make: *** [out/host/linux-x86/obj/STATIC_LIBRARIES/libRS_intermediates/rsFont.o] Error 1
fix:
vi frameworks/base/libs/rs/Android.mk
Add '-fpermissive' to line 183
LOCAL_CFLAGS += -Werror -Wall -Wno-unused-parameter -Wno-unused-variable -fpermissive

10. internal:aramGenerator<typename Container::value_type> ValuesIn(
												  ^
make: *** [out/host/linux-x86/obj/STATIC_LIBRARIES/libgtest_host_intermediates/gtest-all.o] Error 1
fix:
vi external/gtest/src/Android.mk
Add '-fpermissive' to lines 52 and 70 (both lines contain same info)
LOCAL_CFLAGS += -O0 -fpermissive

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