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| author | Mathias Agopian <mathias@google.com> | 2010-11-08 13:12:28 -0800 |
|---|---|---|
| committer | Mathias Agopian <mathias@google.com> | 2010-11-08 14:35:25 -0800 |
| commit | 6d510f9d7d40e17a6705f2ed19f1c91f518513a6 (patch) | |
| tree | d6086d132ae7f563bfc7b57570b5d227827b97c5 /libsensors | |
| parent | 6a4f51ada0ec71cd9f41359146bca3b298bd66a1 (diff) | |
| download | device_samsung_crespo-6d510f9d7d40e17a6705f2ed19f1c91f518513a6.tar.gz device_samsung_crespo-6d510f9d7d40e17a6705f2ed19f1c91f518513a6.tar.bz2 device_samsung_crespo-6d510f9d7d40e17a6705f2ed19f1c91f518513a6.zip | |
clean-up how sensor data are reported or calculated.
also change the magnetic field sensor reported resolution
from 1/256 to 1/16. I'm not sure how it can be 1/256 given that LSB is
1/16 uT. This seems more correct.
Factorize a few values in the header file.
Change-Id: Ifd479e431b10584d3bdd28fc1ca189e5402ea3cc
Diffstat (limited to 'libsensors')
| -rw-r--r-- | libsensors/sensors.cpp | 8 | ||||
| -rw-r--r-- | libsensors/sensors.h | 3 |
2 files changed, 7 insertions, 4 deletions
diff --git a/libsensors/sensors.cpp b/libsensors/sensors.cpp index 7f342d0..a7e79e6 100644 --- a/libsensors/sensors.cpp +++ b/libsensors/sensors.cpp @@ -70,15 +70,15 @@ static const struct sensor_t sSensorList[] = { { "KR3DM 3-axis Accelerometer", "STMicroelectronics", 1, SENSORS_ACCELERATION_HANDLE, - SENSOR_TYPE_ACCELEROMETER, 2*GRAVITY_EARTH, (2*GRAVITY_EARTH)/(256*8), 0.23f, 0, { } }, + SENSOR_TYPE_ACCELEROMETER, RANGE_A, RESOLUTION_A, 0.23f, 0, { } }, { "AK8973 3-axis Magnetic field sensor", "Asahi Kasei Microdevices", 1, SENSORS_MAGNETIC_FIELD_HANDLE, - SENSOR_TYPE_MAGNETIC_FIELD, 2000.0f, 1.0f/256, 6.8f, 0, { } }, + SENSOR_TYPE_MAGNETIC_FIELD, 2000.0f, CONVERT_M, 6.8f, 0, { } }, { "AK8973 Orientation sensor", "Asahi Kasei Microdevices", 1, SENSORS_ORIENTATION_HANDLE, - SENSOR_TYPE_ORIENTATION, 360.0f, 1.0f/64.0f, 7.8f, 0, { } }, + SENSOR_TYPE_ORIENTATION, 360.0f, CONVERT_O, 7.8f, 0, { } }, { "GP2A Light sensor", "Sharp", 1, SENSORS_LIGHT_HANDLE, @@ -90,7 +90,7 @@ static const struct sensor_t sSensorList[] = { { "K3G Gyroscope sensor", "STMicroelectronics", 1, SENSORS_GYROSCOPE_HANDLE, - SENSOR_TYPE_GYROSCOPE, 2000*M_PI/180.0f, (70.0f/1000.0f)*((float)M_PI/180.0f), 6.1f, 0, { } }, + SENSOR_TYPE_GYROSCOPE, RANGE_GYRO, CONVERT_GYRO, 6.1f, 0, { } }, }; diff --git a/libsensors/sensors.h b/libsensors/sensors.h index 606ff18..384d423 100644 --- a/libsensors/sensors.h +++ b/libsensors/sensors.h @@ -84,6 +84,8 @@ __BEGIN_DECLS #define NUMOFACCDATA 8 // conversion of acceleration data to SI units (m/s^2) +#define RANGE_A (2*GRAVITY_EARTH) +#define RESOLUTION_A (RANGE_A/(256*NUMOFACCDATA)) #define CONVERT_A (GRAVITY_EARTH / LSG / NUMOFACCDATA) #define CONVERT_A_X (CONVERT_A) #define CONVERT_A_Y (-CONVERT_A) @@ -102,6 +104,7 @@ __BEGIN_DECLS #define CONVERT_O_R (-CONVERT_O) // conversion of gyro data to SI units (radian/sec) +#define RANGE_GYRO (2000.0f*(float)M_PI/180.0f) #define CONVERT_GYRO ((70.0f / 1000.0f) * ((float)M_PI / 180.0f)) #define CONVERT_GYRO_X (CONVERT_GYRO) #define CONVERT_GYRO_Y (-CONVERT_GYRO) |