def __init__(self, chip, channelCount, vref):
SPI.__init__(self, toint(chip), 0, 8, 10000000)
DAC.__init__(self, channelCount, 12, float(vref))
self.buffered=False
self.gain=False
self.shutdown=False
self.values = [0 for i in range(channelCount)]
def __init__(self, chip, channelCount):
SPI.__init__(self, toint(chip), 0, 8, 10000000, "MCP492%d" % channelCount)
DAC.__init__(self, channelCount, 12, 3.3)
self.buffered=False
self.gain=False
self.shutdown=False
self.values = [0 for i in range(channelCount)]
def __init__(self, slave=0x60, prescale0=0, prescale1=0, ledmode=0b1110):
# Check parameter sanity
pres0 = toint(prescale0)
if not pres0 in range(0, 0xFF + 1):
raise ValueError("prescale0 value %d out of range [%d..%d]" %
(pres0, 0x00, 0xFF))
pres1 = toint(prescale1)
if not pres1 in range(0, 0xFF + 1):
raise ValueError("prescale1 value %d out of range [%d..%d]" %
(pres1, 0x00, 0xFF))
lmode = toint(ledmode)
if not lmode in range(0, 0x0F + 1):
raise ValueError("ledmode value %d out of range [%d..%d]" %
(lmode, 0x00, 0x0F))
# Go for it
I2C.__init__(self, toint(slave))
PWM.__init__(self, self.PWM_CHANNELS, self.PWM_RESOLUTION,
self.__calculateFrequency__(pres0))
DAC.__init__(self, self.DAC_CHANNELS, self.DAC_RESOLUTION, self.VREF)
GPIOPort.__init__(self, self.GPIO_CHANNELS, self.GPIO_BANKS)
d = bytearray(5)
d[0] = pres0
d[1] = self.D_PWM0
d[2] = pres1
d[3] = self.D_PWM1
d[4] = lmode | 0xF0
self.writeRegisters((self.PSC0 | self.FLAG_AI), d)
def __init__(self, chip, channelCount):
SPI.__init__(self, toint(chip), 0, 8, 10000000)
DAC.__init__(self, channelCount, 12, 3.3)
self.buffered = False
self.gain = False
self.shutdown = False
self.values = [0 for i in range(channelCount)]
def __init__(self, chip, channelCount, resolution, name):
SPI.__init__(self, toint(chip), 0, 8, 10000000)
DAC.__init__(self, channelCount, resolution, 2.048)
self.name = name
self.buffered = False
self.gain = False
self.shutdown = True
self.values = [0 for i in range(channelCount)]
def __init__(self, chip, channelCount, resolution, name):
SPI.__init__(self, toint(chip), 0, 8, 10000000)
DAC.__init__(self, channelCount, resolution, 2.048)
self.name = name
self.buffered=False
self.gain=False
self.shutdown=True
self.values = [0 for i in range(channelCount)]
def __init__(self, slave=0x60, vref=3.3):
I2C.__init__(self, toint(slave))
DAC.__init__(self, 1, 12, float(vref))
def __init__(self, slave=0x60):
I2C.__init__(self, toint(slave), "MCP4725")
DAC.__init__(self, 1, 12, 3.3)
def __family__(self):
return [DAC.__family__(self), ADC.__family__(self)]
def __init__(self, slave=0x48, vref=3.3):
I2C.__init__(self, toint(slave))
DAC.__init__(self, 5, 8, float(vref))
self.daValue = 0
def __init__(self, chip, vref, channelCount, resolution, name):
SPI.__init__(self, toint(chip), 0, 8, 10000000)
DAC.__init__(self, toint(channelCount), toint(resolution), float(vref))
self.name = name
self.values = [0 for i in range(toint(channelCount))]
def __family__(self):
return [
PWM.__family__(self),
DAC.__family__(self),
GPIOPort.__family__(self)
]
def __family__(self):
return [DAC.__family__(self), ADC.__family__(self)]
def __init__(self, slave=0x48, vref=3.3):
I2C.__init__(self, toint(slave))
DAC.__init__(self, 5, 8, float(vref))
self.daValue = 0
def __init__(self, slave=0x60, vref=3.3):
I2C.__init__(self, toint(slave))
DAC.__init__(self, 1, 12, float(vref))
def __init__(self, slave=0x60):
I2C.__init__(self, toint(slave))
DAC.__init__(self, 1, 12, 3.3)
def __init__(self, slave=0x60):
I2C.__init__(self, toint(slave), "MCP4725")
DAC.__init__(self, 1, 12, 3.3)
def __init__(self, slave, vref, channelCount, resolution, name):
I2C.__init__(self, toint(slave))
DAC.__init__(self, channelCount, resolution, float(vref))
self.name = name
def __init__(self, chip, vref, resolution, name):
SPI.__init__(self, toint(chip), 0, 8, 10000000)
DAC.__init__(self, 1, resolution, float(vref))
self.name = name
self.value = 0
