tivars.numeric.LeftNibbleBCD

class documentation

class LeftNibbleBCD(Converter): (source)

Converter for 2-digit binary-coded decimal with a single extra nibble

A single byte contains two decimal digits as if they were hex digits. The extraneous nibble appears in the leftmost byte, left-padded with a single hex digit.

Class Method	`get`	Converts `bytes` -> `int` from 2-digit binary coded decimal with an extra nibble on the left
Class Method	`set`	Converts `int` -> `bytes` as 2-digit binary coded decimal with an extra nibble on the left

@classmethod
def get(cls, data: bytes, **kwargs) -> _T: (source) ¶

overrides tivars.data.Converter.get

Converts bytes -> int from 2-digit binary coded decimal with an extra nibble on the left

Parameters
data:`bytes`	The raw bytes to convert
**kwargs	Undocumented
Returns
`_T`	The number stored in `data`

@classmethod
def set(cls, value: _T, *, current: bytes = None, **kwargs) -> bytes: (source) ¶

overrides tivars.data.Converter.set

Converts int -> bytes as 2-digit binary coded decimal with an extra nibble on the left

Parameters
value:`_T`	The value to convert
current:`bytes`	The current value of the data section
**kwargs	Undocumented
Returns
`bytes`	The bytes representing `value` in BCD