예제 #1
0
파일: Ak8963.cs 프로젝트: thecaptncode/iot
 public void Reset()
 {
     WriteRegister(Register.RSV, 0x01);
     _measurementMode = MeasurementMode.PowerDown;
     _outputBitMode   = OutputBitMode.Output14bit;
     _selfTest        = false;
     // When powering the AK893, doc says 50 ms needed
     Thread.Sleep(50);
 }
예제 #2
0
파일: Ak8963.cs 프로젝트: thecaptncode/iot
        /// <summary>
        /// Constructor to use if AK8963 is behind another element and need a special I2C protocol like
        /// when used with the MPU9250
        /// </summary>
        /// <param name="i2cDevice">The I2C device</param>
        /// <param name="ak8963Interface">The specific interface to communicate with the AK8963</param>
        /// <param name="shouldDispose">True to dispose the I2C device when class is disposed</param>
        public Ak8963(I2cDevice i2cDevice, Ak8963I2cBase ak8963Interface, bool shouldDispose = true)
        {
            _i2cDevice       = i2cDevice ?? throw new ArgumentNullException(nameof(i2cDevice));
            _ak8963Interface = ak8963Interface;
            // Initialize the default modes
            _measurementMode = MeasurementMode.PowerDown;
            _outputBitMode   = OutputBitMode.Output14bit;
            _selfTest        = false;
            _shouldDispose   = shouldDispose;
            byte mode = (byte)((byte)_measurementMode | ((byte)_outputBitMode << 4));

            WriteRegister(Register.CNTL, mode);
            if (!IsVersionCorrect())
            {
                throw new IOException($"This device does not contain the correct signature 0x48 for a AK8963");
            }
        }