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Daniel Esteban
3af2f18437
* Initial support for BMP180 digital pressure sensor Note that Pressure & Temperature return int32 and millis unit (millidegrees and mPa)
31 lines
861 B
Go
31 lines
861 B
Go
package bmp180
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// Constants/addresses used for I2C.
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// The I2C address which this device listens to.
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const Address = 0x77
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// Registers. Names, addresses and comments copied from the datasheet.
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const (
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AC1_MSB = 0xAA // Calibration coefficients start at 0xAA ends at 0xBF
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CMD_TEMP = 0x2E
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CMD_PRESSURE = 0x34
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REG_CTRL = 0xF4
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REG_TEMP_MSB = 0xF6
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REG_PRESSURE_MSB = 0xF6
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WHO_AM_I = 0xD0
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CHIP_ID = 0x55
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)
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const (
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// ULTRALOWPOWER is the lowest oversampling mode of the pressure measurement.
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ULTRALOWPOWER OversamplingMode = iota
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// BSTANDARD is the standard oversampling mode of the pressure measurement.
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STANDARD
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// HIGHRESOLUTION is a high oversampling mode of the pressure measurement.
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HIGHRESOLUTION
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// ULTRAHIGHRESOLUTION is the highest oversampling mode of the pressure measurement.
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ULTRAHIGHRESOLUTION
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)
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