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AP_NavEKF3: Match handling of MAV_CMD_EXTERNAL_POSITION_ESTIMATE to common MAVLink dialect

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Marek S. Lukasiewicz 2024-03-06 18:37:46 +11:00 committed by Andrew Tridgell
parent cfd76b8dd9
commit 07681416f5
1 changed files with 7 additions and 2 deletions
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9
libraries/AP_NavEKF3/AP_NavEKF3_PosVelFusion.cpp
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@ -145,8 +145,8 @@ void NavEKF3_core::ResetPosition(resetDataSource posResetSource)
}
#if EK3_FEATURE_POSITION_RESET
// Sets the EKF's NE horizontal position states and their corresponding variances from a supplied WGS-84 location and uncertainty
// The altitude element of the location is not used.
// Sets the EKF's NE horizontal position states and their corresponding variances from a supplied WGS-84 location and optionally uncertainty
// The altitude element of the location is not used. If accuracy is not known should be passed as NaN.
// Returns true if the set was successful
bool NavEKF3_core::setLatLng(const Location &loc, float posAccuracy, uint32_t timestamp_ms)
{
@ -164,6 +164,11 @@ bool NavEKF3_core::setLatLng(const Location &loc, float posAccuracy, uint32_t ti
zeroRows(P,7,8);
zeroCols(P,7,8);
// handle unknown accuracy
if (isnan(posAccuracy)) {
posAccuracy = 0.0f; // will be ignored due to MAX below
}
// set the variances using the position measurement noise parameter
P[7][7] = P[8][8] = sq(MAX(posAccuracy,frontend->_gpsHorizPosNoise));