NEXUS7 学习

一、编译环境搭建

(更细节的环境搭建请参考:How to Build CyanogenMod for Nexus 7 (Wi-Fi, 2012 version) (codename: grouper))

1、在执行了source build/envsetup.sh的时候,会执行vendor/cm/vendorsetup.sh:

for combo in $(curl -s https://raw.githubusercontent.com/CyanogenMod/hudson/master/cm-build-targets | sed -e 's/#.*$//' | grep cm-12.1 | awk '{printf "cm_%s-%s\n", $1, $2}')
do
    add_lunch_combo $combo
done


这里会联网下载文件:https://raw.githubusercontent.com/CyanogenMod/hudson/master/cm-build-targets,它的内容如下:

root@pengdl-HP:/home/pengdl/work/study/nexus7/Nexus7# curl -s https://raw.githubusercontent.com/CyanogenMod/hudson/master/cm-build-targets
# CM build target list
# <device> <build_type> <version> [period: "D"aily, "W"eekly or "M"onthly]
# Absence of a period indicates Daily (the default)

# Daily cm-12.1
acclaim userdebug cm-12.1
amami userdebug cm-12.1
bacon userdebug cm-12.1
castor userdebug cm-12.1
castor_windy userdebug cm-12.1
condor userdebug cm-12.1
d2att userdebug cm-12.1
d2spr userdebug cm-12.1
d2tmo userdebug cm-12.1
d2vzw userdebug cm-12.1
d800 userdebug cm-12.1
d801 userdebug cm-12.1
d802 userdebug cm-12.1
d803 userdebug cm-12.1
d850 userdebug cm-12.1
d851 userdebug cm-12.1
d852 userdebug cm-12.1
d855 userdebug cm-12.1
deb userdebug cm-12.1
dlx userdebug cm-12.1
e975 userdebug cm-12.1
e980 userdebug cm-12.1
evita userdebug cm-12.1
falcon userdebug cm-12.1
find7 userdebug cm-12.1
find7s userdebug cm-12.1
flo userdebug cm-12.1
flounder userdebug cm-12.1
fugu userdebug cm-12.1
ghost userdebug cm-12.1
grouper userdebug cm-12.1
hammerhead userdebug cm-12.1
hammerheadcaf userdebug cm-12.1
hlte userdebug cm-12.1
hltespr userdebug cm-12.1
hltetmo userdebug cm-12.1
i605 userdebug cm-12.1
i777 userdebug cm-12.1
i9100 userdebug cm-12.1
i925 userdebug cm-12.1
honami userdebug cm-12.1
huashan userdebug cm-12.1
jactivelte userdebug cm-12.1
jem userdebug cm-12.1
jflteatt userdebug cm-12.1
jfltespr userdebug cm-12.1
jfltetmo userdebug cm-12.1
jfltevzw userdebug cm-12.1
jfltexx userdebug cm-12.1
klimtwifi userdebug cm-12.1
klte userdebug cm-12.1
kltechn userdebug cm-12.1
kltechnduo userdebug cm-12.1
klteduos userdebug cm-12.1
kltedv userdebug cm-12.1
kltekdi userdebug cm-12.1
kltespr userdebug cm-12.1
l900 userdebug cm-12.1
lettuce userdebug cm-12.1
ls980 userdebug cm-12.1
ls990 userdebug cm-12.1
m7 userdebug cm-12.1
m7vzw userdebug cm-12.1
m8 userdebug cm-12.1
mako userdebug cm-12.1
manta userdebug cm-12.1
maserati userdebug cm-12.1
mb886 userdebug cm-12.1
mondrianwifi userdebug cm-12.1
n3 userdebug cm-12.1
n5100 userdebug cm-12.1
n5110 userdebug cm-12.1
nicki userdebug cm-12.1
obake userdebug cm-12.1
peregrine userdebug cm-12.1
picassowifi userdebug cm-12.1
pollux userdebug cm-12.1
pollux_windy userdebug cm-12.1
quark userdebug cm-12.1
rendang userdebug cm-12.1
scorpion userdebug cm-12.1
scorpion_windy userdebug cm-12.1
serrano3gxx userdebug cm-12.1
serranoltexx userdebug cm-12.1
shamu userdebug cm-12.1
sirius userdebug cm-12.1
spyder userdebug cm-12.1
superior userdebug cm-12.1
t0lte userdebug cm-12.1
t6 userdebug cm-12.1
t6spr userdebug cm-12.1
t6vzw userdebug cm-12.1
targa userdebug cm-12.1
tate userdebug cm-12.1
tf300t userdebug cm-12.1
thea userdebug cm-12.1
tilapia userdebug cm-12.1
titan userdebug cm-12.1
togari userdebug cm-12.1
togari_gpe userdebug cm-12.1
tomato userdebug cm-12.1
trltespr userdebug cm-12.1
trltetmo userdebug cm-12.1
trltexx userdebug cm-12.1
umts_spyder userdebug cm-12.1
v400 userdebug cm-12.1
v410 userdebug cm-12.1
v500 userdebug cm-12.1
victara userdebug cm-12.1
ville userdebug cm-12.1
vs980 userdebug cm-12.1
vs985 userdebug cm-12.1
xt897 userdebug cm-12.1
xt907 userdebug cm-12.1
xt925 userdebug cm-12.1
xt926 userdebug cm-12.1
z3 userdebug cm-12.1
z3c userdebug cm-12.1

# Weekly cm-12.0
a5 userdebug cm-12.0 W
e970 userdebug cm-12.0 W
find5 userdebug cm-12.0 W
jewel userdebug cm-12.0 W
ks01lte userdebug cm-12.0 W
ls970 userdebug cm-12.0 W
m7spr userdebug cm-12.0 W
mint userdebug cm-12.0 W
taoshan userdebug cm-12.0 W
trlteusc userdebug cm-12.0 W
tsubasa userdebug cm-12.0 W

# Weekly cm-11.0
a700 userdebug cm-11.0 W
apexqtmo userdebug cm-11.0 W
aries userdebug cm-11.0 W
captivatemtd userdebug cm-11.0 W
crespo userdebug cm-11.0 W
d710 userdebug cm-11.0 W
dogo userdebug cm-11.0 W
e973 userdebug cm-11.0 W
encore userdebug cm-11.0 W
endeavoru userdebug cm-11.0 W
enrc2b userdebug cm-11.0 W
epicmtd userdebug cm-11.0 W
exhilarate userdebug cm-11.0 W
expressatt userdebug cm-11.0 W
fireball userdebug cm-11.0 W
galaxysbmtd userdebug cm-11.0 W
galaxysmtd userdebug cm-11.0 W
hercules userdebug cm-11.0 W
hlteusc userdebug cm-11.0 W
hltevzw userdebug cm-11.0 W
hummingbird userdebug cm-11.0 W
i9100g userdebug cm-11.0 W
i9300 userdebug cm-11.0 W
i9305 userdebug cm-11.0 W
i9500 userdebug cm-11.0 W
jflte userdebug cm-11.0 W
klteusc userdebug cm-11.0 W
kltevzw userdebug cm-11.0 W
l01f userdebug cm-11.0 W
m4 userdebug cm-11.0 W
maguro userdebug cm-11.0 W
n1 userdebug cm-11.0 W
n5120 userdebug cm-11.0 W
n7000 userdebug cm-11.0 W
n7100 userdebug cm-11.0 W
odin userdebug cm-11.0 W
otter userdebug cm-11.0 W
otter2 userdebug cm-11.0 W
otterx userdebug cm-11.0 W
ovation userdebug cm-11.0 W
p1 userdebug cm-11.0 W
p3100 userdebug cm-11.0 W
p3110 userdebug cm-11.0 W
p5100 userdebug cm-11.0 W
p5110 userdebug cm-11.0 W
p880 userdebug cm-11.0 W
p930 userdebug cm-11.0 W
r950 userdebug cm-11.0 W
sc02c userdebug cm-11.0 W
skyrocket userdebug cm-11.0 W
t769 userdebug cm-11.0 W
tf700t userdebug cm-11.0 W
tf701t userdebug cm-11.0 W
vs920 userdebug cm-11.0 W
w7 userdebug cm-11.0 W
ypg1 userdebug cm-11.0 W
yuga userdebug cm-11.0 W


其中需要关注的是 grouper user-debug cm-12.1

然后执行lunch

root@pengdl-HP:/home/pengdl/work/study/nexus7/Nexus7# lunch

You're building on Linux

Lunch menu... pick a combo:
 1. aosp_arm64-eng                       45. cm_huashan-userdebug                89. cm_scorpion_windy-userdebug 
 2. aosp_arm-eng                         46. cm_i605-userdebug                   90. cm_serrano3gxx-userdebug 
 3. aosp_grouper-userdebug               47. cm_i777-userdebug                   91. cm_serranoltexx-userdebug 
 4. aosp_mips64-eng                      48. cm_i9100-userdebug                  92. cm_shamu-userdebug 
 5. aosp_mips-eng                        49. cm_i925-userdebug                   93. cm_sirius-userdebug 
 6. aosp_x86_64-eng                      50. cm_jactivelte-userdebug             94. cm_spyder-userdebug 
 7. aosp_x86-eng                         51. cm_jem-userdebug                    95. cm_superior-userdebug 
 8. cm_acclaim-userdebug                 52. cm_jflteatt-userdebug               96. cm_t0lte-userdebug 
 9. cm_amami-userdebug                   53. cm_jfltespr-userdebug               97. cm_t6spr-userdebug 
 10. cm_bacon-userdebug                  54. cm_jfltetmo-userdebug               98. cm_t6-userdebug 
 11. cm_castor-userdebug                 55. cm_jfltevzw-userdebug               99. cm_t6vzw-userdebug 
 12. cm_castor_windy-userdebug           56. cm_jfltexx-userdebug                100. cm_targa-userdebug 
 13. cm_condor-userdebug                 57. cm_klimtwifi-userdebug              101. cm_tate-userdebug 
 14. cm_d2att-userdebug                  58. cm_kltechnduo-userdebug             102. cm_tf300t-userdebug 
 15. cm_d2spr-userdebug                  59. cm_kltechn-userdebug                103. cm_thea-userdebug 
 16. cm_d2tmo-userdebug                  60. cm_klteduos-userdebug               104. cm_tilapia-userdebug 
 17. cm_d2vzw-userdebug                  61. cm_kltedv-userdebug                 105. cm_titan-userdebug 
 18. cm_d800-userdebug                   62. cm_kltekdi-userdebug                106. cm_togari_gpe-userdebug 
 19. cm_d801-userdebug                   63. cm_kltespr-userdebug                107. cm_togari-userdebug 
 20. cm_d802-userdebug                   64. cm_klte-userdebug                   108. cm_tomato-userdebug 
 21. cm_d803-userdebug                   65. cm_l900-userdebug                   109. cm_trltespr-userdebug 
 22. cm_d850-userdebug                   66. cm_lettuce-userdebug                110. cm_trltetmo-userdebug 
 23. cm_d851-userdebug                   67. cm_ls980-userdebug                  111. cm_trltexx-userdebug 
 24. cm_d852-userdebug                   68. cm_ls990-userdebug                  112. cm_umts_spyder-userdebug 
 25. cm_d855-userdebug                   69. cm_m7-userdebug                     113. cm_v400-userdebug 
 26. cm_deb-userdebug                    70. cm_m7vzw-userdebug                  114. cm_v410-userdebug 
 27. cm_dlx-userdebug                    71. cm_m8-userdebug                     115. cm_v500-userdebug 
 28. cm_e975-userdebug                   72. cm_mako-userdebug                   116. cm_victara-userdebug 
 29. cm_e980-userdebug                   73. cm_manta-userdebug                  117. cm_ville-userdebug 
 30. cm_evita-userdebug                  74. cm_maserati-userdebug               118. cm_vs980-userdebug 
 31. cm_falcon-userdebug                 75. cm_mb886-userdebug                  119. cm_vs985-userdebug 
 32. cm_find7s-userdebug                 76. cm_mondrianwifi-userdebug           120. cm_xt897-userdebug 
 33. cm_find7-userdebug                  77. cm_n3-userdebug                     121. cm_xt907-userdebug 
 34. cm_flounder-userdebug               78. cm_n5100-userdebug                  122. cm_xt925-userdebug 
 35. cm_flo-userdebug                    79. cm_n5110-userdebug                  123. cm_xt926-userdebug 
 36. cm_fugu-userdebug                   80. cm_nicki-userdebug                  124. cm_z3c-userdebug 
 37. cm_ghost-userdebug                  81. cm_obake-userdebug                  125. cm_z3-userdebug 
 38. cm_grouper-userdebug                82. cm_peregrine-userdebug              126. m_e_arm-userdebug 
 39. cm_hammerheadcaf-userdebug          83. cm_picassowifi-userdebug            127. mini_emulator_arm64-userdebug 
 40. cm_hammerhead-userdebug             84. cm_pollux-userdebug                 128. mini_emulator_mips-userdebug 
 41. cm_hltespr-userdebug                85. cm_pollux_windy-userdebug           129. mini_emulator_x86_64-userdebug 
 42. cm_hltetmo-userdebug                86. cm_quark-userdebug                  130. mini_emulator_x86-userdebug 
 43. cm_hlte-userdebug                   87. cm_rendang-userdebug 
 44. cm_honami-userdebug                 88. cm_scorpion-userdebug 

选择38.

编译

mka bacon

 

2、修改内核配置

如果想编译模块,Nexus7的内核默认配置是不允许的,所以需要修改默认配置,配置文件是 cyanogenmod_grouper_defconfig

首先将这个默认配置备份一下

cd kernel/asus/grouer/arch/arm/configs/

cp
cyanogenmod_grouper_defconfig cyanogenmod_grouper_defconfig_bak

修改配置

root@pengdl-HP:/home/pengdl/work/study/nexus7/Nexus7/kernel/asus/grouper# make ARCH=arm cyanogenmod_grouper_defconfig
  HOSTCC  scripts/basic/fixdep
  HOSTCC  scripts/kconfig/conf.o
  SHIPPED scripts/kconfig/zconf.tab.c
  SHIPPED scripts/kconfig/zconf.lex.c
  SHIPPED scripts/kconfig/zconf.hash.c
  HOSTCC  scripts/kconfig/zconf.tab.o
  HOSTLD  scripts/kconfig/conf
#
# configuration written to .config
#

#### make completed successfully (10 seconds) ####
cd kernel/asus/grouper/

make
ARCH=arm menuconfig

作如下修改:

[*] Enable loadable module support  --->

    [*]   Forced module loading

    [*]   Module unloading

    [*]     Forced module unloading

需改完后,保存退出,用.config 覆盖 cyanogenmod_grouper_defconfig

然后清理环境:

make mrproper

然后再利用Android的编译系统编译出的boot.img就可以加载模块了。

 

二、配置USB访问权限

参考:http://source.android.com/source/initializing.html

 

Under GNU/Linux systems (and specifically under Ubuntu systems), regular users can't directly access USB devices by default. The system needs to be configured to allow such access.

The recommended approach is to create a file /etc/udev/rules.d/51-android.rules (as the root user) and to copy the following lines in it. <username> must be replaced by the actual username of the user who is authorized to access the phones over USB.

# adb protocol on passion (Nexus One)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4e12", MODE="0600", OWNER="<username>"
# fastboot protocol on passion (Nexus One)
SUBSYSTEM=="usb", ATTR{idVendor}=="0bb4", ATTR{idProduct}=="0fff", MODE="0600", OWNER="<username>"
# adb protocol on crespo/crespo4g (Nexus S)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4e22", MODE="0600", OWNER="<username>"
# fastboot protocol on crespo/crespo4g (Nexus S)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4e20", MODE="0600", OWNER="<username>"
# adb protocol on stingray/wingray (Xoom)
SUBSYSTEM=="usb", ATTR{idVendor}=="22b8", ATTR{idProduct}=="70a9", MODE="0600", OWNER="<username>"
# fastboot protocol on stingray/wingray (Xoom)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="708c", MODE="0600", OWNER="<username>"
# adb protocol on maguro/toro (Galaxy Nexus)
SUBSYSTEM=="usb", ATTR{idVendor}=="04e8", ATTR{idProduct}=="6860", MODE="0600", OWNER="<username>"
# fastboot protocol on maguro/toro (Galaxy Nexus)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4e30", MODE="0600", OWNER="<username>"
# adb protocol on panda (PandaBoard)
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="d101", MODE="0600", OWNER="<username>"
# adb protocol on panda (PandaBoard ES)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="d002", MODE="0600", OWNER="<username>"
# fastboot protocol on panda (PandaBoard)
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="d022", MODE="0600", OWNER="<username>"
# usbboot protocol on panda (PandaBoard)
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="d00f", MODE="0600", OWNER="<username>"
# usbboot protocol on panda (PandaBoard ES)
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="d010", MODE="0600", OWNER="<username>"
# adb protocol on grouper/tilapia (Nexus 7)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4e42", MODE="0600", OWNER="<username>"
# fastboot protocol on grouper/tilapia (Nexus 7)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4e40", MODE="0600", OWNER="<username>"
# adb protocol on manta (Nexus 10)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4ee2", MODE="0600", OWNER="<username>"
# fastboot protocol on manta (Nexus 10)
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4ee0", MODE="0600", OWNER="<username>"

 

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