fusion_hat.adc module

Fusion Hat on-board analog to digital converter

Example

Import ADC

>>> from fusion_hat.adc import ADC

Init ADC channel 0

>>> a0 = ADC(0)

Read ADC channel 0 value

>>> a0.read()
2048

Read ADC channel 0 voltage

>>> a0.read_voltage()
1.65

class fusion_hat.adc.ADC(channel: [<class 'int'>, <class 'str'>], *args, **kwargs)

Bases: _Base

ADC class

Parameters:

• channel (int or str) – channel number or Str start with A

• *args – pass to fusion_hat._base._base

• **kwargs – pass to fusion_hat._base._base

Raises:

ValueError – channel must be channel number or Str start with A

DEVICE_NAME = 'fusion-hat'

IIO_DEVICE_PATH_PREFIX = '/sys/bus/iio/devices/iio:device'

find_device() → int

find adc device

Returns:

adc device index

Return type:

int

read() → int

read raw value

Returns:

raw value

Return type:

int

read_raw() → int

read raw value

Returns:

raw value

Return type:

int

read_voltage() → float

read voltage value in V

Returns:

voltage value in V

Return type:

float

property channel: str

get channel

Returns:

channel number

Return type:

str

property voltage: int

get voltage

Returns:

voltage value in mV

Return type:

int

property raw: int

get raw value

Returns:

raw value

Return type:

int