/**************************************************************************/
/*!
* @brief Reads the factory-set coefficients
*/
/**************************************************************************/
private void readCoefficients()
{
#if BMP085_USE_DATASHEET_VALS
_bmp085_coeffs.ac1 = 408;
_bmp085_coeffs.ac2 = -72;
_bmp085_coeffs.ac3 = -14383;
_bmp085_coeffs.ac4 = 32741;
_bmp085_coeffs.ac5 = 32757;
_bmp085_coeffs.ac6 = 23153;
_bmp085_coeffs.b1 = 6190;
_bmp085_coeffs.b2 = 4;
_bmp085_coeffs.mb = -32768;
_bmp085_coeffs.mc = -8711;
_bmp085_coeffs.md = 2868;
_bmp085Mode = 0;
#else
//var buffer = new byte[2];
//var result = this.i2c.ReadRegisterBytes(this.Address, (byte)Registers.BMP085_REGISTER_CAL_AC1, buffer);
this.ReadRegisterSigned16Bits((byte)Registers.BMP085_REGISTER_CAL_AC1, out this._bmp085_coeffs.ac1); //error
this.ReadRegisterSigned16Bits((byte)Registers.BMP085_REGISTER_CAL_AC2, out this._bmp085_coeffs.ac2);
this.ReadRegisterSigned16Bits((byte)Registers.BMP085_REGISTER_CAL_AC3, out this._bmp085_coeffs.ac3);
this.ReadRegister16Bits((byte)Registers.BMP085_REGISTER_CAL_AC4, out this._bmp085_coeffs.ac4);
this.ReadRegister16Bits((byte)Registers.BMP085_REGISTER_CAL_AC5, out this._bmp085_coeffs.ac5); //error
this.ReadRegister16Bits((byte)Registers.BMP085_REGISTER_CAL_AC6, out this._bmp085_coeffs.ac6);
this.ReadRegisterSigned16Bits((byte)Registers.BMP085_REGISTER_CAL_B1, out this._bmp085_coeffs.b1); //error
this.ReadRegisterSigned16Bits((byte)Registers.BMP085_REGISTER_CAL_B2, out this._bmp085_coeffs.b2);
this.ReadRegisterSigned16Bits((byte)Registers.BMP085_REGISTER_CAL_MB, out this._bmp085_coeffs.mb);
this.ReadRegisterSigned16Bits((byte)Registers.BMP085_REGISTER_CAL_MC, out this._bmp085_coeffs.mc);
this.ReadRegisterSigned16Bits((byte)Registers.BMP085_REGISTER_CAL_MD, out this._bmp085_coeffs.md);//error
#endif
}
/***************************************************************************
* PUBLIC FUNCTIONS
***************************************************************************/
/**************************************************************************/
/*!
* @brief Setups the HW
*/
/**************************************************************************/
public bool begin(bmp085_mode_t mode = bmp085_mode_t.BMP085_MODE_ULTRAHIGHRES)
{
/* Mode boundary check */
if ((mode > bmp085_mode_t.BMP085_MODE_ULTRAHIGHRES) || (mode < 0))
{
mode = bmp085_mode_t.BMP085_MODE_ULTRAHIGHRES;
}
/* Make sure we have the right device */
byte id = 0;
read8(BMP085_REGISTER_CHIPID, ref id);
if (id != 0x55)
{
return(false);
}
/* Set the mode indicator */
_bmp085Mode = (byte)mode;
/* Coefficients need to be read once */
readCoefficients();
return(true);
}
/**************************************************************************/
/*!
* @brief Setups the HW
*/
/**************************************************************************/
private bool begin(bmp085_mode_t mode)
{
this.Debug("Initializing BMP180");
/* Mode boundary check */
if ((mode > bmp085_mode_t.BMP085_MODE_ULTRAHIGHRES) || (mode < 0))
{
mode = bmp085_mode_t.BMP085_MODE_ULTRAHIGHRES;
}
/* Make sure we have the right device */
byte id;
this.ReadRegister8Bits((byte)Registers.BMP085_REGISTER_CHIPID, out id);
if (id != 0x55)
{
this.Debug("Error: BMP180 not found.");
return(false);
}
/* Set the mode indicator */
this._bmp085Mode = mode;
/* Coefficients need to be read once */
this.readCoefficients();
this.Debug("BMP180 Initialized");
return(true);
}
