Android底层开发技术实战详解.pdf-资料库

Android 19 HAL GoldfishMSMMAP OpenMax Wi-FiGPS Android Android Android Android Android / . 2012.8 Android ISBN 978-7-121-17593-0 . A . . . TN929.53 CIP 2012 157997 7871092 2012 8 1 3500 69.00 173 100036 1/16 33.75 864 01088254888 zlts@phei.com.cn dbqq@phei.com.cn 01088258888

3G Google OHA 2007 11 Android SDKAndroid 2008 9 Android G1 LG Android 2011 Android iOS Android 5 Android Android Android Android Android Android Android Web Google Map HTML 5 Android Android JavaCC++ RubyPython Google Android Simple Android Android 19 1 2 3 4 5 6 7 8 9 10 Linux Linux Android Linux Android HAL HAL Goldfish stagingAshmenPmemAlarm Android Paranoid MSM MSM OMAP MSM OMAP

11 12 13 14 15 16 17 18 19 Overlay OpenMax OpenCore Stagefright Wi-Fi Alarm Lights Battery Android Android Android www.topchuban.com 2012 5 IV

.................... 1 1.1 ...................................... 1 1.1.1 ....................... 1 1.1.2 ........................... 2 1.1.3 .................... 2 1.2 .................. 3 1.2.1 ....................... 3 1.2.2 Java ........................... 3 1.2.3 ... 4 1.3 Android Linux ............................. 4 1.3.1 Linux ............................... 5 1.3.2 Android Linux ............ 5 1.4 Linux ............................... 8 1.4.1 ....................... 8 1.4.2 Android Linux ................................ 10 1.5 Linux ... 14 1.5.1 ..................... 14 1.5.2 .................. 16 1.5.3 ...................................... 17 1.5.4 Linux ............ 18 1.5.5 Linux ............ 26 ..................... 31 2.1 Linux ......... 31 2.1.1 Linux ............... 31 2.1.2 ......................... 32 2.1.3 ......................... 32 2.2 Android ..................... 33 2.3 Android ......... 35 2.3.1 Android ............. 35 2.3.2 Android ............... 40 2.3.3 Android ................42 2.3.4 Android ......................43 2.4 Android Kernel.......................47 2.4.1 Goldfish ............47 2.4.2 MSM ................50 2.4.3 OMAP ..............50 2.4.4 Android Linux ......50 2.5 .....................................52 2.5.1 Linux ....53 2.5.2 adb ..........54 ..................................57 3.1 .................57 3.2 Android ...................................59 3.2.1 .............................60 3.2.2 .............................60 3.2.3 ......................61 3.3 Android Linux ...............61 3.3.1 Android Linux .......................................62 3.3.2 Android Linux .......................................63 3.4 .............................................64 3.4.1 .......................................64 3.4.2 ............64 3.4.3 Relay ..........................66 3.5 .................................70 3.5.1 ...................70 3.5.2 ......................79

3.5.3 ...................82 .............................84 4.1 HAL ...................................84 4.1.1 HAL ........................84 4.1.2 ...................86 4.2 HAL .......................86 4.2.1 HAL moudle ....................86 4.2.2 mokoid ....................89 4.3 HAL ...............98 4.4 HAL .............101 4.4.1 HAL Sensor ...........102 4.4.2 Sensor .........104 4.4.3 Sensor Android API .........104 4.5 .......................................116 4.5.1 Android ...116 4.5.2 ..............................117 ................125 5.1 staging ..................................125 5.1.1 staging ...................125 5.1.2 Binder ....................126 5.1.3 Logger ...................135 5.1.4 Lowmemorykiller ...........136 5.1.5 Timed Output ..........137 5.1.6 Timed Gpio .............139 5.1.7 Ram Console ...........139 5.2 wakelock early_suspend...........140 5.2.1 wakelock early_suspend ......................................140 5.2.2 Android .........................141 5.2.3 Android .........................144 5.3 Ashmem .......................145 5.4 Pmem ............................148 5.5 Alarm ............................149 5.5.1 Alarm ...........................149 5.5.2 Alarm ..........150 5.6 USB Gadget ..................151 VI 5.7 Android Paranoid ......... 153 5.8 Goldfish ........................ 154 5.8.1 FrameBuffer .................. 155 5.8.2 .............................. 159 5.8.3 ................ 160 5.8.4 TTY ................ 161 5.8.5 NandFlash .............. 162 5.8.6 MMC ..................... 162 5.8.7 ....................... 162 ................. 164 6.1 MSM .................................... 164 6.1.1 MSM .......... 164 6.1.2 Snapdragon ............. 165 6.2 MSM ................... 166 6.3 MSM .................................... 168 6.3.1 Makefile ........................ 168 6.3.2 ........................... 170 6.3.3 .............................. 172 6.3.4 .................... 174 ............... 177 7.1 OMAP .................................. 177 7.1.1 OMAP .......................... 177 7.1.2 OMAP ........ 177 7.1.3 .............................. 178 7.2 OMAP .................................. 178 7.3 OMAP ................. 180 7.3.1 OMAP .................. 180 7.3.2 OMAP ............... 183 7.4 Android ... 188 7.5 OMAP ...................... 190 ....................... 195 8.1 ............................... 195 8.1.1 Android ..................... 195 8.1.2 ............. 195 8.2 ................... 196 8.2.1 FrameBuffer ........... 196 8.2.2 ........................... 198 8.3 ........... 210

8.3.1 Goldfish FrameBuffer .................................... 210 8.3.2 Gralloc ... 214 8.4 MSM .............................................. 224 8.4.1 MSM FrameBuffer .................................... 225 8.4.2 MSM Gralloc ... 227 8.5 OMAP ... 235 ....................... 239 9.1 .............................. 239 9.1.1 Android .................................... 239 9.1.2 Android .................................... 240 9.2 Input...................... 241 9.3 ...................... 256 9.4 MSM .............................................. 257 9.4.1 .......................... 257 9.4.2 ................ 264 9.5 OMAP .......................................... 266 9.5.1 .......................... 267 9.5.2 .............................. 267 ......................... 269 10.1 ........................ 269 10.1.1 ....................... 271 10.1.2 JNI ..................... 272 10.2 .................................... 273 10.2.1 ......... 273 10.2.2 ................ 274 10.3 MSM ... 275 ............................. 279 11.1 ............................ 279 11.2 ................ 280 11.2.1 .......................... 280 11.2.2 Media Audio ... 281 11.2.3 ...........................284 11.2.4 JNI ............................288 11.2.5 Java ...........................289 11.3 Audio .....289 11.3.1 Audio ..................................289 11.3.2 .................290 11.3.3 AudioFlinger Audio .............291 11.4 Audio .....298 11.5 MSM Audio ...298 11.5.1 Audio ..........298 11.5.2 .................299 11.6 OSS Audio ...304 11.6.1 OSS .............304 11.6.2 ................................305 11.7 ALSA Audio ......312 11.7.1 ...312 11.7.2 Android ALSA ..................................313 11.7.3 OMAP Android ALSA .............322 ......................326 12.1 .....................326 12.2 .........................328 12.3 .........................328 12.3.1 Overlay ..................................328 12.3.2 Overlay ..................................331 12.3.3 ...........................332 12.4 Overlay ..........333 12.5 OMAP Overlay .............................................335 12.5.1 ......335 12.5.2 Overlay ....337 12.6 Overlay HAL ............................................342 12.6.1 Overlay HAL ..................................342 VII

12.6.2 Android Overlay ..........................346 ...............349 13.1 OpenMax ............349 13.2 OpenMax ...........350 13.2.1 OpenMax ......350 13.2.2 OpenMax IL ........351 13.2.3 Android OpenMax .......354 13.3 OpenMax IL ..........354 13.3.1 OpenMax IL ........354 13.3.2 OpenMax IL ..................................361 13.3.3 Android OpenMax ..............................361 13.4 OMAP OpenMax IL .....................................................363 13.4.1 ...........................364 13.4.2 TI OpenMax IL ....365 13.4.3 TI OpenMax IL ..................................368 .........................373 14.1 Android ...................373 14.2 .........................374 14.3 OpenCore ...........................375 14.3.1 OpenCore ............375 14.3.2 OpenCore ............376 14.3.3 OpenCore ............377 14.3.4 OpenCore OSCL.................381 14.3.5 OpenCore OpenMax ..................................383 14.3.6 OpenCore ...............398 14.4 Stagefright ..........................404 14.4.1 Stagefright ...........404 14.4.2 Stagefright OpenMax ..................................405 14.4.3 Video Buffer ........409 .................................415 15.1 .....................415 15.2 .........................417 VIII 15.2.1 .................... 417 15.2.2 ................ 418 15.2.3 .................... 419 15.3 ............. 424 ................................. 430 16.1 Camera ................... 430 16.2 ......................... 433 16.3 ................................. 433 16.3.1 V4L2 .................. 433 16.3.2 ....................... 441 16.4 Camera .. 446 16.4.1 Java .................... 446 16.4.2 Camera Java ................................. 447 16.4.3 Camera libui.so .... 448 16.4.4 Camera libcameraservice.so ........................................ 449 16.5 MSM Camera .... 454 16.6 OMAP Camera ... 457 .............................................. 459 17.1 Wi-Fi .................................. 459 17.1.1 Wi-Fi .............. 459 17.1.2 ................ 461 17.1.3 ....................... 461 17.1.4 OMAP Wi-Fi....... 469 17.1.5 Wi-Fi ............. 471 17.1.6 Android Ethernet ..................... 473 17.2 ..................................... 475 17.2.1 ................ 475 17.2.2 ................ 477 17.2.3 ........................... 478 17.2.4 MSM ........ 480 17.3 ..................................... 482 17.3.1 ................ 483 17.3.2 ................ 484 17.3.3 ....................... 484

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Android底层开发技术实战详解.pdf

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