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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.firstinspires.ftc.robotcontroller.external.samples; import com.qualcomm.hardware.bosch.BNO055IMU; import com.qualcomm.hardware.bosch.JustLoggingAccelerationIntegrator; import com.qualcomm.robotcore.eventloop.opmode.Disabled; import com.qualcomm.robotcore.eventloop.opmode.LinearOpMode; import com.qualcomm.robotcore.eventloop.opmode.TeleOp; import org.firstinspires.ftc.robotcore.external.Func; import org.firstinspires.ftc.robotcore.external.navigation.Acceleration; import org.firstinspires.ftc.robotcore.external.navigation.AngleUnit; import org.firstinspires.ftc.robotcore.external.navigation.AxesOrder; import org.firstinspires.ftc.robotcore.external.navigation.AxesReference; import org.firstinspires.ftc.robotcore.external.navigation.Orientation; import org.firstinspires.ftc.robotcore.external.navigation.Position; import org.firstinspires.ftc.robotcore.external.navigation.Velocity; import java.util.Locale; /** * {@link SensorBNO055IMU} gives a short demo on how to use the BNO055 Inertial Motion Unit (IMU) from AdaFruit. * * Use Android Studio to Copy this Class, and Paste it into your team's code folder with a new name. * Remove or comment out the @Disabled line to add this opmode to the Driver Station OpMode list * * @see Adafruit IMU */ @TeleOp(name = "Sensor: BNO055 IMU", group = "Sensor") @Disabled // Comment this out to add to the opmode list public class SensorBNO055IMU extends LinearOpMode { //---------------------------------------------------------------------------------------------- // State //---------------------------------------------------------------------------------------------- // The IMU sensor object BNO055IMU imu; // State used for updating telemetry Orientation angles; Acceleration gravity; //---------------------------------------------------------------------------------------------- // Main logic //---------------------------------------------------------------------------------------------- @Override public void runOpMode() { // Set up the parameters with which we will use our IMU. Note that integration // algorithm here just reports accelerations to the logcat log; it doesn't actually // provide positional information. BNO055IMU.Parameters parameters = new BNO055IMU.Parameters(); parameters.angleUnit = BNO055IMU.AngleUnit.DEGREES; parameters.accelUnit = BNO055IMU.AccelUnit.METERS_PERSEC_PERSEC; parameters.calibrationDataFile = "BNO055IMUCalibration.json"; // see the calibration sample opmode parameters.loggingEnabled = true; parameters.loggingTag = "IMU"; parameters.accelerationIntegrationAlgorithm = new JustLoggingAccelerationIntegrator(); // Retrieve and initialize the IMU. We expect the IMU to be attached to an I2C port // on a Core Device Interface Module, configured to be a sensor of type "AdaFruit IMU", // and named "imu". imu = hardwareMap.get(BNO055IMU.class, "imu"); imu.initialize(parameters); // Set up our telemetry dashboard composeTelemetry(); // Wait until we're told to go waitForStart(); // Start the logging of measured acceleration imu.startAccelerationIntegration(new Position(), new Velocity(), 1000); // Loop and update the dashboard while (opModeIsActive()) { telemetry.update(); } } //---------------------------------------------------------------------------------------------- // Telemetry Configuration //---------------------------------------------------------------------------------------------- void composeTelemetry() { // At the beginning of each telemetry update, grab a bunch of data // from the IMU that we will then display in separate lines. telemetry.addAction(new Runnable() { @Override public void run() { // Acquiring the angles is relatively expensive; we don't want // to do that in each of the three items that need that info, as that's // three times the necessary expense. angles = imu.getAngularOrientation(AxesReference.INTRINSIC, AxesOrder.ZYX, AngleUnit.DEGREES); gravity = imu.getGravity(); } }); telemetry.addLine() .addData("status", new Func() { @Override public String value() { return imu.getSystemStatus().toShortString(); } }) .addData("calib", new Func() { @Override public String value() { return imu.getCalibrationStatus().toString(); } }); telemetry.addLine() .addData("heading", new Func() { @Override public String value() { return formatAngle(angles.angleUnit, angles.firstAngle); } }) .addData("roll", new Func() { @Override public String value() { return formatAngle(angles.angleUnit, angles.secondAngle); } }) .addData("pitch", new Func() { @Override public String value() { return formatAngle(angles.angleUnit, angles.thirdAngle); } }); telemetry.addLine() .addData("grvty", new Func() { @Override public String value() { return gravity.toString(); } }) .addData("mag", new Func() { @Override public String value() { return String.format(Locale.getDefault(), "%.3f", Math.sqrt(gravity.xAccel*gravity.xAccel + gravity.yAccel*gravity.yAccel + gravity.zAccel*gravity.zAccel)); } }); } //---------------------------------------------------------------------------------------------- // Formatting //---------------------------------------------------------------------------------------------- String formatAngle(AngleUnit angleUnit, double angle) { return formatDegrees(AngleUnit.DEGREES.fromUnit(angleUnit, angle)); } String formatDegrees(double degrees){ return String.format(Locale.getDefault(), "%.1f", AngleUnit.DEGREES.normalize(degrees)); } }