Advanced comfort and safety features increasingly differentiate OEMs in a competitive market. Examples of sensors used in body design include MEMS microphones for active noise cancellation (ANC), current sensors for On Board Chargers (OBC) or high voltage auxiliary drives, and linear/angle sensors ...
The dual-sensor principle provides you and your product development the confidence to trigger an alarm only when needed. Voice Interface If you want to integrate a voice-controlled user interface (VUI) into a product that previously lacked an audio interface or implement an appliance design e.g....
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* internal sampling has commenced or ceased. Otherwise an * appropriate error code. */ sns_ddf_status_e (*enable_sched_data)( sns_ddf_handle_t handle, sns_ddf_sensor_e sensor, bool enable); /** * @brief Probes for the device with a given configuration. * * This commands the driver...
* If type is OEM specific or sensor manufacturer specific type * (>=SENSOR_TYPE_DEVICE_PRIVATE_BASE), this string must be defined with reserved domain of * vendor/OEM as a prefix, e.g. com.google.glass.onheaddetector * * For sensors of Android defined types, Android framework will overr...
config都是以.json为后缀的文件,每个物理sensor会有两个json文件,一个是包含所有平台的特殊配置文件,另一个是sensor driver的特殊配置文件。 如果config文件不存在并且sensor driver支持默认参数,则sensor library会将默认参数填充到registry中。 sensor driver可以通过发送request给registry sensor来随时更新registry。
SensorManager lets you access the device's android.hardware.Sensor sensors. Always make sure to disable sensors you don't need, especially when your activity is paused. Failing to do so can drain the battery in just a few hours. Note that the system will not disable...
GetDeviceSelector() Obtient le sélecteur d’appareil. GetReadingsFromTriggerDetails(SensorDataThresholdTriggerDetails) Obtient les lectures des détails du déclencheur dans la tâche en arrière-plan. Événements Développer la table ReadingChanged Se produit chaque fois que le capteur de pro...
3.2 dev.getSensorList(&list);获取厂商在HAL层初始化的sensor_t类型结构体的sSensorList,并返回sensor device的数目。 3.3 registerSensor( new HardwareSensor(list[i]) );在for循环中注册这些sensor。根据硬件sensor_t创建HardwareSensor,然后加入mSensorList(Sensor) 和mSensorMap(HardwareSensor)中,后面的switch是...
Data provided by the proximity sensor denotes the distance between the device and a visible object, which enables the device to automatically turn on or off its screen accordingly to prevent accidental touch on the screen. Data provided by the barometer sensor helps your application accurately determ...