def __init__(self,
altitude=0,
external=None,
oversampling=0,
filter=0,
standby=0.5,
slave=0x76):
I2C.__init__(self, toint(slave))
Pressure.__init__(self, altitude, external)
self.t1 = self.readUnsigned(0x88, 2)
self.t2 = self.readSigned(0x8A, 2)
self.t3 = self.readSigned(0x8C, 2)
self.p1 = self.readUnsigned(0x8E, 2)
self.p2 = self.readSigned(0x90, 2)
self.p3 = self.readSigned(0x92, 2)
self.p4 = self.readSigned(0x94, 2)
self.p5 = self.readSigned(0x96, 2)
self.p6 = self.readSigned(0x98, 2)
self.p7 = self.readSigned(0x9A, 2)
self.p8 = self.readSigned(0x9C, 2)
self.p9 = self.readSigned(0x9E, 2)
self.h1 = self.readUnsigned(0xA1, 1)
self.h2 = self.readSigned(0xE1, 2)
self.h3 = self.readUnsigned(0xE3, 1)
self.h4 = (self.readUnsigned(0xE4, 1) << 4) | (
self.readUnsigned(0xE5, 1) & 0x0F)
self.h5 = (self.readSigned(0xE6, 1) << 4) | (
self.readSigned(0xE5, 1) >> 4)
self.h6 = self.readSigned(0xE7, 1)
oversamplingBits = toint(oversampling).bit_length()
self.writeRegister(
0xF2, oversamplingBits
) # Humidity oversampling. Must be set before temp/press oversampling (see datasheet 5.4.3).
self.writeRegister(
0xF4, (oversamplingBits << 5) | (oversamplingBits << 2)
| 0x03) # Pressure, temperature oversampling, sensor normal mode.
standbyValues = {
'0.5': 0,
'10': 6,
'20': 7,
'62.5': 1,
'125': 2,
'250': 3,
'500': 4,
'1000': 5
}
if standby in standbyValues:
tStandbyBits = standbyValues[standby]
else:
tStandbyBits = 0 # Default to 0.5ms t_standby
# logger.warn('Invalid value for standby: %s' % standby)
spiBits = 0 # No SPI of course.
filterBits = toint(filter) >> 1
self.writeRegister(0xF5,
(tStandbyBits << 5) | (filterBits << 2) | spiBits)
def __init__(self, altitude=0, external=None, reset_pin_bcm=None):
NativeGPIO.__init__(self)
self._reset_pin_bcm = reset_pin_bcm
self.resetHardware()
I2C.__init__(self, 0x60)
Pressure.__init__(self, altitude, external)
coef_values = self._getCoefValues()
self._coef_a0 = coef_values[0]
self._coef_b1 = coef_values[1]
self._coef_b2 = coef_values[2]
self._coef_c12 = coef_values[3]
def __init__(self, altitude=0, external=None, reset_pin_bcm=None):
NativeGPIO.__init__(self)
self._reset_pin_bcm = reset_pin_bcm
self.resetHardware()
I2C.__init__(self, 0x60)
Pressure.__init__(self, altitude, external)
coef_values = self._getCoefValues()
self._coef_a0 = coef_values[0]
self._coef_b1 = coef_values[1]
self._coef_b2 = coef_values[2]
self._coef_c12 = coef_values[3]
def __init__(self, altitude=0, external=None, name="BMP085"):
I2C.__init__(self, 0x77, name)
Pressure.__init__(self, altitude, external)
self.ac1 = self.readSignedInteger(0xAA)
self.ac2 = self.readSignedInteger(0xAC)
self.ac3 = self.readSignedInteger(0xAE)
self.ac4 = self.readUnsignedInteger(0xB0)
self.ac5 = self.readUnsignedInteger(0xB2)
self.ac6 = self.readUnsignedInteger(0xB4)
self.b1 = self.readSignedInteger(0xB6)
self.b2 = self.readSignedInteger(0xB8)
self.mb = self.readSignedInteger(0xBA)
self.mc = self.readSignedInteger(0xBC)
self.md = self.readSignedInteger(0xBE)
def __init__(self, altitude=0, external=None):
I2C.__init__(self, 0x77)
Pressure.__init__(self, altitude, external)
self.ac1 = self.readSignedInteger(0xAA)
self.ac2 = self.readSignedInteger(0xAC)
self.ac3 = self.readSignedInteger(0xAE)
self.ac4 = self.readUnsignedInteger(0xB0)
self.ac5 = self.readUnsignedInteger(0xB2)
self.ac6 = self.readUnsignedInteger(0xB4)
self.b1 = self.readSignedInteger(0xB6)
self.b2 = self.readSignedInteger(0xB8)
self.mb = self.readSignedInteger(0xBA)
self.mc = self.readSignedInteger(0xBC)
self.md = self.readSignedInteger(0xBE)