#include <ubuntu/status.h>
#include <ubuntu/visibility.h>
#include <ubuntu/application/sensors/event/pressure.h>
Go to the source code of this file.
Typedefs | |
typedef void | UASensorsPressure |
Opaque type that models the pressure sensor. More... | |
typedef void(* | on_pressure_event_cb) (UASPressureEvent *event, void *context) |
Callback type used by applications to subscribe to pressure sensor events. More... | |
Functions | |
UBUNTU_DLL_PUBLIC UASensorsPressure * | ua_sensors_pressure_new () |
Create a new object for accessing the ambient light sensor. More... | |
UBUNTU_DLL_PUBLIC UStatus | ua_sensors_pressure_enable (UASensorsPressure *sensor) |
Enables the supplied ambient light sensor. More... | |
UBUNTU_DLL_PUBLIC UStatus | ua_sensors_pressure_disable (UASensorsPressure *sensor) |
Disables the supplied ambient light sensor. More... | |
UBUNTU_DLL_PUBLIC uint32_t | ua_sensors_pressure_get_min_delay (UASensorsPressure *sensor) |
Queries the minimum delay between two readings for the supplied sensor. More... | |
UBUNTU_DLL_PUBLIC UStatus | ua_sensors_pressure_get_min_value (UASensorsPressure *sensor, float *value) |
Queries the minimum value that can be reported by the sensor. More... | |
UBUNTU_DLL_PUBLIC UStatus | ua_sensors_pressure_get_max_value (UASensorsPressure *sensor, float *value) |
Queries the maximum value that can be reported by the sensor. More... | |
UBUNTU_DLL_PUBLIC UStatus | ua_sensors_pressure_get_resolution (UASensorsPressure *sensor, float *value) |
Queries the numeric resolution supported by the sensor. More... | |
UBUNTU_DLL_PUBLIC void | ua_sensors_pressure_set_reading_cb (UASensorsPressure *sensor, on_pressure_event_cb cb, void *ctx) |
Set the callback to be invoked whenever a new sensor reading is available. More... | |
UBUNTU_DLL_PUBLIC UStatus | ua_sensors_pressure_set_event_rate (UASensorsPressure *sensor, uint32_t rate) |
Set the sensor event delivery rate in nanoseconds.. More... | |
typedef void(* on_pressure_event_cb) (UASPressureEvent *event, void *context) |
Callback type used by applications to subscribe to pressure sensor events.
Definition at line 41 of file pressure.h.
typedef void UASensorsPressure |
Opaque type that models the pressure sensor.
Definition at line 35 of file pressure.h.
UBUNTU_DLL_PUBLIC UStatus ua_sensors_pressure_disable | ( | UASensorsPressure * | sensor | ) |
Disables the supplied ambient light sensor.
[in] | sensor | The sensor instance to be disabled. |
UBUNTU_DLL_PUBLIC UStatus ua_sensors_pressure_enable | ( | UASensorsPressure * | sensor | ) |
Enables the supplied ambient light sensor.
[in] | sensor | The sensor instance to be enabled. |
UBUNTU_DLL_PUBLIC UStatus ua_sensors_pressure_get_max_value | ( | UASensorsPressure * | sensor, |
float * | value | ||
) |
Queries the maximum value that can be reported by the sensor.
[in] | sensor | The sensor instance to be queried. |
UBUNTU_DLL_PUBLIC uint32_t ua_sensors_pressure_get_min_delay | ( | UASensorsPressure * | sensor | ) |
Queries the minimum delay between two readings for the supplied sensor.
[in] | sensor | The sensor instance to be queried. |
UBUNTU_DLL_PUBLIC UStatus ua_sensors_pressure_get_min_value | ( | UASensorsPressure * | sensor, |
float * | value | ||
) |
Queries the minimum value that can be reported by the sensor.
[in] | sensor | The sensor instance to be queried. |
UBUNTU_DLL_PUBLIC UStatus ua_sensors_pressure_get_resolution | ( | UASensorsPressure * | sensor, |
float * | value | ||
) |
Queries the numeric resolution supported by the sensor.
[in] | sensor | The sensor instance to be queried. |
UBUNTU_DLL_PUBLIC UASensorsPressure* ua_sensors_pressure_new | ( | ) |
Create a new object for accessing the ambient light sensor.
UBUNTU_DLL_PUBLIC UStatus ua_sensors_pressure_set_event_rate | ( | UASensorsPressure * | sensor, |
uint32_t | rate | ||
) |
Set the sensor event delivery rate in nanoseconds..
[in] | sensor | The sensor instance to be modified. |
[in] | rate | The new event delivery rate. |
UBUNTU_DLL_PUBLIC void ua_sensors_pressure_set_reading_cb | ( | UASensorsPressure * | sensor, |
on_pressure_event_cb | cb, | ||
void * | ctx | ||
) |
Set the callback to be invoked whenever a new sensor reading is available.
[in] | sensor | The sensor instance to associate the callback with. |
[in] | cb | The callback to be invoked. |
[in] | ctx | The context supplied to the callback invocation. |