int SensorBase::sensorBaseSetDelay(int32_t handle, int64_t ns){
char buf[6];
int ms;
ms = ns/1000/1000;
if(ms < mMinPollDelay)
ms = mMinPollDelay ;
else if(ms > mMaxPollDelay)
ms = mMaxPollDelay;
snprintf(buf,sizeof(buf),"%d",ms);
return write_sysfs(sysfs_poll,buf,strlen(buf));
}
void GeneralInfo::refresh_backlight()
{
if (backlight < 5)
backlight = 5;
else if (backlight > 100)
backlight = 100;
snprintf(data[BACKLIGHT], sizeof(data[BACKLIGHT]), "%d", backlight);
text_data[BACKLIGHT]->settext(data[BACKLIGHT]);
#ifdef BUILD_FOR_ANDROID
write_sysfs(SB_SYSFS_PATH_BACKLIGHT_BRIGHTNESS, data[BACKLIGHT]);
#endif
refresh_all();
}
int SensorBase::sensorBaseEnable(int32_t handle,int enabled){
char buf[6];
int enable = (enabled ? 1 : 0);
int what = -1;
/*if the munber of user > 1, do not disable sensor*/
switch (handle) {
case ID_A : what = Accelerometer ;break;
case ID_M : what = MagneticField; break;
case ID_O : what = Orientation; break;
case ID_GY : what = Gryo; break;
case ID_L : what = Light; break;
case ID_P : what = Pressure; break;
case ID_T : what = Temperatury; break;
case ID_PX : what = Proximity; break;
}
if (what < 0 || what >= numSensors)
return -EINVAL;
if(enable)
mUser[what]++;
else {
mUser[what]--;
if(mUser[what] < 0)
mUser[what] = 0;
}
if((enable && mUser[what] == 1) || (enable ==0 && mUser[what] == 0 )) {
snprintf(buf,sizeof(buf),"%d",enable);
write_sysfs(sysfs_enable,buf,strlen(buf));
mEnabled &= ~(1<<what);
mEnabled |= (uint32_t(enable)<<what);
}
ALOGD("sensor %d , usr count %d\n",handle,mUser[handle]);
return 0;
}
