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Fixed incorrect scaling of acceleration values

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Lorenz Meier
2012-08-19 09:35:58 +02:00
parent dcf71d5f69
commit 2a5fcd9174
3 changed files with 8 additions and 8 deletions
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apps/sensors/sensors.c
+3 -3
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@@ -819,9 +819,9 @@ int sensors_thread_main(int argc, char *argv[])
// XXX read range from sensor
float range_g = 4.0f;
/* scale from 14 bit to m/s2 */
raw.accelerometer_m_s2[0] = (((raw.accelerometer_raw[0] - acc_offset[0]) * range_g) / 8192.0f) / 9.81f;
raw.accelerometer_m_s2[1] = (((raw.accelerometer_raw[1] - acc_offset[1]) * range_g) / 8192.0f) / 9.81f;
raw.accelerometer_m_s2[2] = (((raw.accelerometer_raw[2] - acc_offset[2]) * range_g) / 8192.0f) / 9.81f;
raw.accelerometer_m_s2[0] = (((raw.accelerometer_raw[0] - acc_offset[0]) / 8192.0f) * range_g) * 9.81f;
raw.accelerometer_m_s2[1] = (((raw.accelerometer_raw[1] - acc_offset[1]) / 8192.0f) * range_g) * 9.81f;
raw.accelerometer_m_s2[2] = (((raw.accelerometer_raw[2] - acc_offset[2]) / 8192.0f) * range_g) * 9.81f;
raw.accelerometer_raw_counter++;
}