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Initial support for BMP180 digital pressure sensor (#11)

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* Initial support for BMP180 digital pressure sensor
Note that Pressure & Temperature return int32 and millis unit (millidegrees
and mPa)
This commit is contained in:
Daniel Esteban
2019-02-06 08:50:40 +01:00
committed by Ron Evans
parent 773b01e911
commit 3af2f18437
3 changed files with 241 additions and 0 deletions
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bmp180/registers.go
+30
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package bmp180
// Constants/addresses used for I2C.
// The I2C address which this device listens to.
const Address = 0x77
// Registers. Names, addresses and comments copied from the datasheet.
const (
AC1_MSB = 0xAA // Calibration coefficients start at 0xAA ends at 0xBF
CMD_TEMP = 0x2E
CMD_PRESSURE = 0x34
REG_CTRL = 0xF4
REG_TEMP_MSB = 0xF6
REG_PRESSURE_MSB = 0xF6
WHO_AM_I = 0xD0
CHIP_ID = 0x55
)
const (
// ULTRALOWPOWER is the lowest oversampling mode of the pressure measurement.
ULTRALOWPOWER OversamplingMode = iota
// BSTANDARD is the standard oversampling mode of the pressure measurement.
STANDARD
// HIGHRESOLUTION is a high oversampling mode of the pressure measurement.
HIGHRESOLUTION
// ULTRAHIGHRESOLUTION is the highest oversampling mode of the pressure measurement.
ULTRAHIGHRESOLUTION
)