Toyomasa Watarai
Adafruit driver converted to Mbed OS 6.x.
Dependents: Adafruit-BNO055-test
Diff: Adafruit_Sensor.h
- Revision:
- 0:22c544c8741a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_Sensor.h Wed Sep 16 19:48:33 2015 +0000
@@ -0,0 +1,148 @@
+/*
+* Copyright (C) 2008 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software< /span>
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/* Update by K. Townsend (Adafruit Industries) for lighter typedefs, and
+ * extended sensor support to include color, voltage and current */
+
+#ifndef _ADAFRUIT_SENSOR_H
+#define _ADAFRUIT_SENSOR_H
+
+
+/* Intentionally modeled after sensors.h in the Android API:
+ * https://github.com/android/platform_hardware_libhardware/blob/master/include/hardware/sensors.h */
+
+/* Constants */
+#define SENSORS_GRAVITY_EARTH (9.80665F) /**< Earth's gravity in m/s^2 */
+#define SENSORS_GRAVITY_MOON (1.6F) /**< The moon's gravity in m/s^2 */
+#define SENSORS_GRAVITY_SUN (275.0F) /**< The sun's gravity in m/s^2 */
+#define SENSORS_GRAVITY_STANDARD (SENSORS_GRAVITY_EARTH)
+#define SENSORS_MAGFIELD_EARTH_MAX (60.0F) /**< Maximum magnetic field on Earth's surface */
+#define SENSORS_MAGFIELD_EARTH_MIN (30.0F) /**< Minimum magnetic field on Earth's surface */
+#define SENSORS_PRESSURE_SEALEVELHPA (1013.25F) /**< Average sea level pressure is 1013.25 hPa */
+#define SENSORS_DPS_TO_RADS (0.017453293F) /**< Degrees/s to rad/s multiplier */
+#define SENSORS_GAUSS_TO_MICROTESLA (100) /**< Gauss to micro-Tesla multiplier */
+
+/** Sensor types */
+typedef enum
+{
+ SENSOR_TYPE_ACCELEROMETER = (1), /**< Gravity + linear acceleration */
+ SENSOR_TYPE_MAGNETIC_FIELD = (2),
+ SENSOR_TYPE_ORIENTATION = (3),
+ SENSOR_TYPE_GYROSCOPE = (4),
+ SENSOR_TYPE_LIGHT = (5),
+ SENSOR_TYPE_PRESSURE = (6),
+ SENSOR_TYPE_PROXIMITY = (8),
+ SENSOR_TYPE_GRAVITY = (9),
+ SENSOR_TYPE_LINEAR_ACCELERATION = (10), /**< Acceleration not including gravity */
+ SENSOR_TYPE_ROTATION_VECTOR = (11),
+ SENSOR_TYPE_RELATIVE_HUMIDITY = (12),
+ SENSOR_TYPE_AMBIENT_TEMPERATURE = (13),
+ SENSOR_TYPE_VOLTAGE = (15),
+ SENSOR_TYPE_CURRENT = (16),
+ SENSOR_TYPE_COLOR = (17)
+} sensors_type_t;
+
+/** struct sensors_vec_s is used to return a vector in a common format. */
+typedef struct {
+ union {
+ float v[3];
+ struct {
+ float x;
+ float y;
+ float z;
+ };
+ /* Orientation sensors */
+ struct {
+ float roll; /**< Rotation around the longitudinal axis (the plane body, 'X axis'). Roll is positive and increasing when moving downward. -90°<=roll<=90° */
+ float pitch; /**< Rotation around the lateral axis (the wing span, 'Y axis'). Pitch is positive and increasing when moving upwards. -180°<=pitch<=180°) */
+ float heading; /**< Angle between the longitudinal axis (the plane body) and magnetic north, measured clockwise when viewing from the top of the device. 0-359° */
+ };
+ };
+ char status;
+ unsigned char reserved[3];
+} sensors_vec_t;
+
+/** struct sensors_color_s is used to return color data in a common format. */
+typedef struct {
+ union {
+ float c[3];
+ /* RGB color space */
+ struct {
+ float r; /**< Red component */
+ float g; /**< Green component */
+ float b; /**< Blue component */
+ };
+ };
+ unsigned int rgba; /**< 24-bit RGBA value */
+} sensors_color_t;
+
+/* Sensor event (36 bytes) */
+/** struct sensor_event_s is used to provide a single sensor event in a common format. */
+typedef struct
+{
+ int version; /**< must be sizeof(struct sensors_event_t) */
+ int sensor_id; /**< unique sensor identifier */
+ int type; /**< sensor type */
+ int reserved0; /**< reserved */
+ int timestamp; /**< time is in milliseconds */
+ union
+ {
+ float data[4];
+ sensors_vec_t acceleration; /**< acceleration values are in meter per second per second (m/s^2) */
+ sensors_vec_t magnetic; /**< magnetic vector values are in micro-Tesla (uT) */
+ sensors_vec_t orientation; /**< orientation values are in degrees */
+ sensors_vec_t gyro; /**< gyroscope values are in rad/s */
+ float temperature; /**< temperature is in degrees centigrade (Celsius) */
+ float distance; /**< distance in centimeters */
+ float light; /**< light in SI lux units */
+ float pressure; /**< pressure in hectopascal (hPa) */
+ float relative_humidity; /**< relative humidity in percent */
+ float current; /**< current in milliamps (mA) */
+ float voltage; /**< voltage in volts (V) */
+ sensors_color_t color; /**< color in RGB component values */
+ };
+} sensors_event_t;
+
+/* Sensor details (40 bytes) */
+/** struct sensor_s is used to describe basic information about a specific sensor. */
+typedef struct
+{
+ char name[12]; /**< sensor name */
+ int version; /**< version of the hardware + driver */
+ int sensor_id; /**< unique sensor identifier */
+ int type; /**< this sensor's type (ex. SENSOR_TYPE_LIGHT) */
+ float max_value; /**< maximum value of this sensor's value in SI units */
+ float min_value; /**< minimum value of this sensor's value in SI units */
+ float resolution; /**< smallest difference between two values reported by this sensor */
+ int min_delay; /**< min delay in microseconds between events. zero = not a constant rate */
+} sensor_t;
+
+class Adafruit_Sensor {
+ public:
+ // Constructor(s)
+ Adafruit_Sensor() {}
+ virtual ~Adafruit_Sensor() {}
+
+ // These must be defined by the subclass
+ virtual void enableAutoRange(bool enabled) {};
+ virtual bool getEvent(sensors_event_t*) = 0;
+ virtual void getSensor(sensor_t*) = 0;
+
+ private:
+ bool _autoRange;
+};
+
+#endif