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Code Issues Releases Activity

OP-1149: all gyro have second order temp bias polynomials. remove unneeded copies of AccelGyroSettings values

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This commit is contained in:
Alessio Morale 2014-02-06 00:52:44 +01:00
parent f7fd5ab1d9
commit c9f9faafd5
2 changed files with 17 additions and 46 deletions
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61
flight/modules/Sensors/sensors.c
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@ -85,15 +85,7 @@ AccelGyroSettingsData agcal;
static float mag_bias[3] = { 0, 0, 0 };
static float mag_scale[3] = { 0, 0, 0 };
static float accel_bias[3] = { 0, 0, 0 };
static float accel_scale[3] = { 0, 0, 0 };
static float gyro_staticbias[3] = { 0, 0, 0 };
static float gyro_scale[3] = { 0, 0, 0 };
// temp coefficient to calculate gyro bias
static float gyro_temp_coeff[4] = { 0 };
static float accel_temp_coeff[4] = { 0 };
static float calibrated_temp_min = 0.0f;
static float calibrated_temp_max = 0.0f;
static volatile bool gyro_temp_calibrated = false;
static volatile bool accel_temp_calibrated = false;
static float R[3][3] = {
@ -355,17 +347,17 @@ static void SensorsTask(__attribute__((unused)) void *parameters)
(float)accel_accum[2] / accel_samples };
float accels_out[3] = { accels[0] * accel_scaling * accel_scale[0] - accel_bias[0],
accels[1] * accel_scaling * accel_scale[1] - accel_bias[1],
accels[2] * accel_scaling * accel_scale[2] - accel_bias[2] };
float accels_out[3] = { accels[0] * accel_scaling * agcal.accel_scale.X - agcal.accel_bias.X,
accels[1] * accel_scaling * agcal.accel_scale.Y - agcal.accel_bias.Y,
accels[2] * accel_scaling * agcal.accel_scale.Z - agcal.accel_bias.Z };
if (accel_temp_calibrated) {
float ctemp = accelSensorData.temperature > calibrated_temp_max ? calibrated_temp_max :
(accelSensorData.temperature < calibrated_temp_min ? calibrated_temp_min
float ctemp = accelSensorData.temperature > agcal.temp_calibrated_extent.max ? agcal.temp_calibrated_extent.max :
(accelSensorData.temperature < agcal.temp_calibrated_extent.min ? agcal.temp_calibrated_extent.min
: accelSensorData.temperature);
accels_out[0] -= accel_temp_coeff[0] * ctemp;
accels_out[1] -= accel_temp_coeff[1] * ctemp;
accels_out[2] -= accel_temp_coeff[2] * ctemp;
accels_out[0] -= agcal.accel_temp_coeff.X * ctemp;
accels_out[1] -= agcal.accel_temp_coeff.Y * ctemp;
accels_out[2] -= agcal.accel_temp_coeff.Z * ctemp;
}
if (rotate) {
@ -385,17 +377,17 @@ static void SensorsTask(__attribute__((unused)) void *parameters)
(float)gyro_accum[1] / gyro_samples,
(float)gyro_accum[2] / gyro_samples };
float gyros_out[3] = { gyros[0] * gyro_scaling * gyro_scale[0] - gyro_staticbias[0],
gyros[1] * gyro_scaling * gyro_scale[1] - gyro_staticbias[1],
gyros[2] * gyro_scaling * gyro_scale[2] - gyro_staticbias[2] };
float gyros_out[3] = { gyros[0] * gyro_scaling * agcal.gyro_scale.X - agcal.gyro_bias.X,
gyros[1] * gyro_scaling * agcal.gyro_scale.Y - agcal.gyro_bias.Y,
gyros[2] * gyro_scaling * agcal.gyro_scale.Z - agcal.gyro_bias.Z };
if (gyro_temp_calibrated) {
float ctemp = gyroSensorData.temperature > calibrated_temp_max ? calibrated_temp_max :
(gyroSensorData.temperature < calibrated_temp_min ? calibrated_temp_min
float ctemp = gyroSensorData.temperature > agcal.temp_calibrated_extent.max ? agcal.temp_calibrated_extent.max :
(gyroSensorData.temperature < agcal.temp_calibrated_extent.min ? agcal.temp_calibrated_extent.min
: gyroSensorData.temperature);
gyros_out[0] -= gyro_temp_coeff[0] * ctemp;
gyros_out[1] -= gyro_temp_coeff[1] * ctemp;
gyros_out[2] -= (gyro_temp_coeff[2] + gyro_temp_coeff[3] * ctemp) * ctemp;
gyros_out[0] -= (agcal.gyro_temp_coeff.X + agcal.gyro_temp_coeff.X2 * ctemp) * ctemp;
gyros_out[1] -= (agcal.gyro_temp_coeff.Y + agcal.gyro_temp_coeff.Y2 * ctemp) * ctemp;
gyros_out[2] -= (agcal.gyro_temp_coeff.Z + agcal.gyro_temp_coeff.Z2 * ctemp) * ctemp;
}
if (rotate) {
@ -460,27 +452,6 @@ static void settingsUpdatedCb(__attribute__((unused)) UAVObjEvent *objEv)
mag_scale[0] = cal.mag_scale.X;
mag_scale[1] = cal.mag_scale.Y;
mag_scale[2] = cal.mag_scale.Z;
accel_bias[0] = agcal.accel_bias.X;
accel_bias[1] = agcal.accel_bias.Y;
accel_bias[2] = agcal.accel_bias.Z;
accel_scale[0] = agcal.accel_scale.X;
accel_scale[1] = agcal.accel_scale.Y;
accel_scale[2] = agcal.accel_scale.Z;
gyro_staticbias[0] = agcal.gyro_bias.X;
gyro_staticbias[1] = agcal.gyro_bias.Y;
gyro_staticbias[2] = agcal.gyro_bias.Z;
gyro_scale[0] = agcal.gyro_scale.X;
gyro_scale[1] = agcal.gyro_scale.Y;
gyro_scale[2] = agcal.gyro_scale.Z;
gyro_temp_coeff[0] = agcal.gyro_temp_coeff.X;
gyro_temp_coeff[1] = agcal.gyro_temp_coeff.Y;
gyro_temp_coeff[2] = agcal.gyro_temp_coeff.Z;
gyro_temp_coeff[3] = agcal.gyro_temp_coeff.Z2;
accel_temp_coeff[0] = agcal.accel_temp_coeff.X;
accel_temp_coeff[1] = agcal.accel_temp_coeff.Y;
accel_temp_coeff[2] = agcal.accel_temp_coeff.Z;
calibrated_temp_max = agcal.temp_calibrated_extent.max;
calibrated_temp_min = agcal.temp_calibrated_extent.min;
accel_temp_calibrated = (agcal.temp_calibrated_extent.max - agcal.temp_calibrated_extent.min > .1f) &&
agcal.accel_temp_coeff.X > 1e-9f && agcal.accel_temp_coeff.Y > 1e-9f && agcal.accel_temp_coeff.Z > 1e-9f;

2
shared/uavobjectdefinition/accelgyrosettings.xml
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@ -7,7 +7,7 @@
<field name="accel_temp_coeff" units="" type="float" elementnames="X,Y,Z" defaultvalue="0"/>
<field name="gyro_bias" units="deg/s" type="float" elementnames="X,Y,Z" defaultvalue="0,0,0"/>
<field name="gyro_scale" units="gain" type="float" elementnames="X,Y,Z" defaultvalue="1,1,1"/>
<field name="gyro_temp_coeff" units="" type="float" elementnames="X,Y,Z,Z2" defaultvalue="0"/>
<field name="gyro_temp_coeff" units="" type="float" elementnames="X,X2,Y,Y2,Z,Z2" defaultvalue="0"/>
<field name="temp_calibrated_extent" units="deg C" type="float" elementnames="min,max" defaultvalue="0"/>
<access gcs="readwrite" flight="readwrite"/>
<telemetrygcs acked="true" updatemode="onchange" period="0"/>