VUState Struct Reference

#include <MIDI_Inputs/MCU/VU.hpp>

Detailed Description

Struct that keeps track of the value and overload indicator of a Mackie Control Universal VU meter.

Definition at line 13 of file VU.hpp.

Collaboration diagram for VUState:

Public Types
enum	Changed { NothingChanged = 0 , ValueChanged = 1 , OverloadChanged = 2 }

Public Member Functions
	VUState (uint8_t value=0, bool overload=false)
	Constructor.
Changed	update (uint8_t data)
	Update the value or overload status with a new raw MIDI value.
bool	decay ()
	Decay the VU value: subtract one from the position if it is not zero.

Public Attributes
uint8_t	value: 4
	The value of the VU meter [0, 12].
bool	overload: 1
	The state of the overload indicator.

Member Enumeration Documentation

Changed

enum Changed

Enumerator
NothingChanged
ValueChanged
OverloadChanged

Definition at line 28 of file VU.hpp.

Constructor & Destructor Documentation

VUState()

VUState ( uint8_t value = 0, bool overload = false )

inline

Constructor.

Parameters

value	The value of the VU meter [0, 12].
overload	The state of the overload indicator.

Definition at line 22 of file VU.hpp.

Member Function Documentation

update()

Changed update ( uint8_t data )

inline

Update the value or overload status with a new raw MIDI value.

Parameters

data	The raw 4-bit MIDI data (with track number masked out).

Return values

ValueChanged	The VU meter value has changed.
OverloadChanged	The overload status has changed.
NothingChanged	Neither the value nor overload status has changed.

Definition at line 47 of file VU.hpp.

decay()

bool decay ( )

inline

Decay the VU value: subtract one from the position if it is not zero.

Returns

Returns true if the value changed.

Definition at line 72 of file VU.hpp.

Member Data Documentation

value

uint8_t value

The value of the VU meter [0, 12].

Definition at line 25 of file VU.hpp.

overload

bool overload

The state of the overload indicator.

Definition at line 26 of file VU.hpp.

---

The documentation for this struct was generated from the following file:

• VU.hpp