AndroidÓ¦Óòãµ÷ÓÃLinuxÇý¶¯µÄ·½Ê½£º
µÚÒ»£¬Í¨¹ýÔÚAndroidÄÚºËÔ´Â루²»ÊÇlinuxÄÚºËÔ´Â룩ÖÐÌí¼ÓHAL²ã¡¢JNI²ã¡¢¿ªÆôϵͳ·þÎñ£¬ÕâÊÇÒ»¸ö±È½Ï¸´ÔӵĹý³Ì£¬ºÜ¶à±ê×¼µÄÉ豸¶¼²ÉÓÃÕâÖÖ·½Ê½Éè¼Æ£¬±ÈÈç˵wifi¡¢gps¡¢sensorµÈ£¬ÕâÖÖµ÷Óùý³Ì¿´ÆðÀ´±È½Ï±ê×¼£¬µ«ÊÇÈç¹û×÷ΪµÚÈý·½¿ª·¢¾Í»áºÜÂé·³£¬HAL²ã¡¢JNI²ã£¬ÏµÍ³·þÎñ²ã£¬Ã¿²ã¶¼ÐèÒª±àÒëAndroidÄÚºËÔ´Â룬ÕâÑù¾Í»áÑÓ³¤Á˲úÆ·µÄ¿ª·¢ÖÜÆÚ£»µÚ¶þ£¬Í¨¹ýÅäÖÃNDK»·¾³£¬ÔÚNDK»·¾³ÖÐÖ±½Ó±àдJNI²ã£¬È»ºóÔÚAndroidÓ¦ÓòãÖÐÌí¼ÓÀ࣬¼ÓÔØJNI¿â¼´¿Éµ÷ÓÃÉ豸µÄÇý¶¯¡£
ÏÖÔÚÎÒÃÇÒÔTiny210ÉϵÄLEDÇý¶¯×÷ΪÀý×Ó½²½âÈçºÎʹÓÃNDK»·¾³±àдJNI¿âÀ´µ÷ÓÃÉ豸µÄÇý¶¯³ÌÐò¡£
Ò»¡¢Ê×ÏÈÊDZàдlinuxÇý¶¯³ÌÐò£¬£º
1¡¢Ô´Â룺linux-2.6.36-android\drivers\char\tiny210_leds.c
2¡¢Ð޸ĵ±Ç°Ä¿Â¼£¨linux-2.6.36-android\drivers\char£©µÄkconfig£¬Ìí¼ÓÈçÏÂÄÚÈÝ£º
config TINY210_LEDS
tristate "LED Support for Tiny210 GPIO LEDs"
depends on CPU S5PV210
default y
help
This option enables support for LEDs connected to GPIO lines
on Tiny210 boards.
3¡¢Ð޸ĵ±Ç°Ä¿Â¼£¨linux-2.6.36-android\drivers\char£©ÏµÄmakefileÎļþ£¬Ìí¼ÓÈçÏÂÄÚÈÝ£º
obj-$(CONFIG_TINY210_LEDS) += tiny210_leds.o
4¡¢µ½Ô´ÂëĿ¼ִÐÐmake menuconfig ÅäÖÃLEDÇý¶¯±àÒë½øÄںˣ¬ÏµÍ³ÆðÀ´¾Í¼ÓÔØÇý¶¯
5¡¢Ö´ÐÐ make Éú³ÉzImage¾µÏñÎļþ