def __init__(self, slave, channelCount, resolution, name):
I2C.__init__(self, toint(slave), name)
ADC.__init__(self, channelCount, resolution, 4.096)
self._analogMax = 2**(resolution-1)
config = self.readRegisters(self.CONFIG, 2)
mode = 0 # continuous
config[0] &= ~self.CONFIG_MODE_MASK
config[0] |= mode
gain = 0x1 # FS = +/- 4.096V
config[0] &= ~self.CONFIG_GAIN_MASK
config[0] |= gain << 1
self.writeRegisters(self.CONFIG, config)
def __init__(self, slave, channelCount, resolution, name):
I2C.__init__(self, toint(slave), name)
ADC.__init__(self, channelCount, resolution, 4.096)
self._analogMax = 2**(resolution - 1)
config = self.readRegisters(self.CONFIG, 2)
mode = 0 # continuous
config[0] &= ~self.CONFIG_MODE_MASK
config[0] |= mode
gain = 0x1 # FS = +/- 4.096V
config[0] &= ~self.CONFIG_GAIN_MASK
config[0] |= gain << 1
self.writeRegisters(self.CONFIG, config)
def __init__(self, slave, resolution, name, gain=1):
self.__address = toint(slave)
self.resolution = toint(resolution)
self.initResolution = toint(resolution) - 1
self.name = name
self.gain = toint(gain)
self.channelCount = 4
self.byteCount = 3
#pass the integer of the chip address to I2C.__init__
I2C.__init__(self, self.__address)
#pass the ADC channel, resolution, and vref to ADC.__init__
ADC.__init__(self, self.channelCount, self.initResolution, vref=5)
#setBitRate and set_pga must follow I2C and ADC init()
#The I2C bus must be set up first.
self.setBitRate(self.resolution)
self.set_pga(self.gain) # set the gain
def __init__(self, chip, channelCount, resolution, name):
SPI.__init__(self, toint(chip), 0, 8, 10000)
ADC.__init__(self, channelCount, resolution, 3.3)
self.name = name
self.MSB_MASK = 2**(resolution-8) - 1
def __init__(self, chip, channelCount, resolution, name):
SPI.__init__(self, toint(chip), 0, 8, 10000)
ADC.__init__(self, channelCount, resolution, 3.3)
self.name = name
self.MSB_MASK = 2**(resolution - 8) - 1
def __family__(self):
return [DAC.__family__(self), ADC.__family__(self)]
def __family__(self):
return [DAC.__family__(self), ADC.__family__(self)]
