no. we have /dev/rtc0 # ls -l /dev/rtc* crw------- root root 254, 0 2011-09-13 19:32 rtc0
again, android doesn't use rtc directly. it sets current time by syscall gettimeofday and /dev/alarm refer to java API JNI: dalvik/vm/native/java_lang_System.c or android API JNI: frameworks/base/core/jni/android_os_SystemClock.cpp which calls SystemClock.cpp & Timers.cpp thanks --lx On Mon, Sep 12, 2011 at 9:24 PM, extrapedestrian <[email protected] > wrote: > do you have /dev/rtc on your platform? > > > On Sep 9, 4:30 pm, Xin Liu <[email protected]> wrote: > > I don't think so . Android alarm doesn't assume that your CPUs have RTC. > we use timer to do the same job. > > > > --lx > > > > 在 2011-9-9，下午3:41， extrapedestrian 写道： > > > > > > > > > > > > > > > > > I found alarm is platform driver that needs rtc device. Our board > > -- > unsubscribe: [email protected] > website: http://groups.google.com/group/android-porting > -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting
