kopia lustrzana https://github.com/cyoung/stratux
Sensor orientation more reliable.
rodzic
c6e01d2ec6
commit
a2bba208b6
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@ -375,9 +375,7 @@ func makeSensorRotationMatrix(g [3]float64) (rotmat *[3][3]float64) {
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// This is used in the orientation process where the user specifies the forward and up directions.
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func getMinAccelDirection() (i int, err error) {
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myIMUReader.Read() // Clear out the averages
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time.Sleep(500 * time.Millisecond) // Ensure we have enough values
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_, _, _, _, a1, a2, a3, _, _, _, err, _ := myIMUReader.Read()
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_, _, _, _, a1, a2, a3, _, _, _, err, _ := myIMUReader.ReadOne()
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if err != nil {
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return
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}
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@ -9,6 +9,9 @@ type IMUReader interface {
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// Read returns the average (since last reading) time, Gyro X-Y-Z, Accel X-Y-Z, Mag X-Y-Z,
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// error reading Gyro/Accel, and error reading Mag.
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Read() (T int64, G1, G2, G3, A1, A2, A3, M1, M2, M3 float64, GAError, MagError error)
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// ReadOne returns the most recent time, Gyro X-Y-Z, Accel X-Y-Z, Mag X-Y-Z,
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// error reading Gyro/Accel, and error reading Mag.
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ReadOne() (T int64, G1, G2, G3, A1, A2, A3, M1, M2, M3 float64, GAError, MagError error)
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// Close stops reading the MPU.
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Close()
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}
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@ -75,6 +75,30 @@ func (m *MPU9250) Read() (T int64, G1, G2, G3, A1, A2, A3, M1, M2, M3 float64, G
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return
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}
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// ReadOne returns the most recent time, Gyro X-Y-Z, Accel X-Y-Z, Mag X-Y-Z,
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// error reading Gyro/Accel, and error reading Mag.
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func (m *MPU9250) ReadOne() (T int64, G1, G2, G3, A1, A2, A3, M1, M2, M3 float64, GAError, MAGError error) {
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var (
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data *mpu9250.MPUData
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)
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data = new(mpu9250.MPUData)
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data = <-m.mpu.C
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T = data.T.UnixNano()
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G1 = data.G1
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G2 = data.G2
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G3 = data.G3
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A1 = data.A1
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A2 = data.A2
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A3 = data.A3
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M1 = data.M1
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M2 = data.M2
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M3 = data.M3
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GAError = data.GAError
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MAGError = data.MagError
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return
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}
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// Close stops reading the MPU.
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func (m *MPU9250) Close() {
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m.mpu.CloseMPU()
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