rockbox/firmware/target/hosted/android/system-android.c
Thomas Martitz 0cf2cc1607 Android: Change how detecting call state (introduced in r27746) works, from polling to event based.
* For some reason, the polling methid is much more inefficient than I thought. According to htop it caused up to 15% CPU load on some phones (e.g. Galaxy S).
The event based causes no CPU load.
Rockbox' idle CPU load is now back to 0%, while it was previously dominated by polling the call state.

* Also stop on outgoing calls (no need to explicitely pause for making a call anymore).
* Factor out the detection mechanism to separate files.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28564 a1c6a512-1295-4272-9138-f99709370657
2010-11-12 21:04:13 +00:00

72 lines
2.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (c) 2010 Thomas Martitz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <jni.h>
#include "config.h"
#include "system.h"
/* global fields for use with various JNI calls */
JNIEnv *env_ptr;
jobject RockboxService_instance;
jclass RockboxService_class;
uintptr_t *stackbegin;
uintptr_t *stackend;
extern int main(void);
extern void powermgmt_init_target(void);
extern void telephony_init_device(void);
void system_exception_wait(void) { }
void system_reboot(void) { }
void power_off(void) { }
void system_init(void)
{
/* no better place yet, most of powermgmt.c is #ifdef'd out for non-native
* builds */
powermgmt_init_target();
/* also no better place yet */
telephony_init_device();
}
/* this is the entry point of the android app initially called by jni */
JNIEXPORT void JNICALL
Java_org_rockbox_RockboxService_main(JNIEnv *env, jobject this)
{
/* hack!!! we can't have a valid stack pointer otherwise.
* but we don't really need it anyway, thread.c only needs it
* for overflow detection which doesn't apply for the main thread
* (it's managed by the OS) */
(void)env;
(void)this;
volatile uintptr_t stack = 0;
stackbegin = stackend = (uintptr_t*) &stack;
env_ptr = env;
RockboxService_instance = this;
RockboxService_class = (*env)->GetObjectClass(env, this);
main();
}