tequilaOS/platform_hardware_libhardware
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Sensors HAL changes

Browse source 
Adding HAL changes for the following
i) a method to place the HAL in a special mode.
     Expect to use this method for data-injection.
ii) a method to inject sensor data into the sensors subsystem.
iii) New sensor type for a SYNC event (google custom sensor).
iv)  New sensor type for a nudge gesture (google custom sensor).

Change-Id: Idf0479b6301c5363cf51938e23aabc790b69fa96
This commit is contained in:
Ashutosh Joshi 2015-04-03 16:22:32 -07:00
parent b3a7d37fa2
commit 6507f5080b
1 changed files with 68 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

69
include/hardware/sensors.h
View file

@ -35,6 +35,7 @@ __BEGIN_DECLS
#define SENSORS_DEVICE_API_VERSION_1_1 HARDWARE_DEVICE_API_VERSION_2(1, 1, SENSORS_HEADER_VERSION)
#define SENSORS_DEVICE_API_VERSION_1_2 HARDWARE_DEVICE_API_VERSION_2(1, 2, SENSORS_HEADER_VERSION)
#define SENSORS_DEVICE_API_VERSION_1_3 HARDWARE_DEVICE_API_VERSION_2(1, 3, SENSORS_HEADER_VERSION)
#define SENSORS_DEVICE_API_VERSION_1_4 HARDWARE_DEVICE_API_VERSION_2(1, 4, SENSORS_HEADER_VERSION)
/**
* Please see the Sensors section of source.android.com for an
@ -92,6 +93,28 @@ enum {
*/
#define SENSOR_PERMISSION_BODY_SENSORS "android.permission.BODY_SENSORS"
/*
* Availability: SENSORS_DEVICE_API_VERSION_1_4
* Sensor HAL modes uses in set_operation_mode method
*/
enum {
/*
* Operating modes for the HAL.
*/
/*
* Normal mode operation. This is the default state of operation.
* The HAL shall initialize into this mode on device startup.
*/
SENSOR_HAL_NORMAL_MODE = 0,
/* Loopback mode. In this mode, the device shall not source data from the
* physical sensors as it would in normal mode. Instead sensor data is
* injected by the sensor service.
*/
SENSOR_HAL_LOOPBACK_MODE = 0x1
};
/*
* Availability: SENSORS_DEVICE_API_VERSION_1_3
* Sensor flags used in sensor_t.flags.
@ -618,6 +641,36 @@ enum {
#define SENSOR_TYPE_WRIST_TILT_GESTURE (26)
#define SENSOR_STRING_TYPE_WRIST_TILT_GESTURE "android.sensor.wrist_tilt_gesture"
/**
* SENSOR_TYPE_TIME_SYNC
* reporting-mode: continuous
*
* A time synchronization mechanism sensor to synchronize timing between
* differnt parts of the device.
* This sensor returns the following values in the sensor_event
* Time_stamp of the event
* u64.data[0] -> Type of event latched
* u64.data[1] -> count
*
* Implement only the wake-up version of this sensor.
*/
#define SENSOR_TYPE_TIME_SYNC (SENSOR_TYPE_DEVICE_PRIVATE_BASE + 0x10)
#define SENSOR_STRING_TYPE_TIME_SYNC "android.sensor.time_sync"
/**
* SENSOR_TYPE_NUDGE_GESTURE
* reporting-mode: one-shot
*
* A sensor of this type triggers when the device is nudged.
*
* The only allowed return value is 1.0. This sensor
* de-activates itself immediately after it triggers.
*
* Implement only the wake-up version of this sensor.
*/
#define SENSOR_TYPE_NUDGE_GESTURE (SENSOR_TYPE_DEVICE_PRIVATE_BASE + 0x11)
#define SENSOR_STRING_NUDGE_UP_GESTURE "android.sensor.nudge_gesture"
/**
* Values returned by the accelerometer in various locations in the universe.
* all values are in SI units (m/s^2)
@ -807,6 +860,15 @@ struct sensors_module_t {
*/
int (*get_sensors_list)(struct sensors_module_t* module,
struct sensor_t const** list);
/**
* Place the module in a specific mode. The following modes are defined
*
* 0 - Normal operation. Default state of the module.
* 1 - Loopback mode. Data is injected for the the supported sensors by
* the sensor service in this mode.
*/
int (*set_operation_mode)(unsigned int mode);
};
struct sensor_t {
@ -1004,7 +1066,12 @@ typedef struct sensors_poll_device_1 {
*/
int (*flush)(struct sensors_poll_device_1* dev, int sensor_handle);
void (*reserved_procs[8])(void);
/*
* Inject a sensor samples to be to this device.
*/
int (*inject_sensor_data)(struct sensors_poll_device_1 *dev, const sensors_event_t *data);
void (*reserved_procs[7])(void);
} sensors_poll_device_1_t;