#include <MIDI_Inputs/MCU/VU.hpp>

Detailed Description

MIDI Input matcher for Mackie Control Universal VU meters.

In the Mackie Control Universal protocol, VU meters are updated using Channel Pressure events.
Each device (cable number) has eight VU meters for the eight tracks. Only MIDI channel 1 is used in the original protocol.

The format of the MIDI message is as follows:

Status	Data 1
`1101 cccc`	`0hhh llll`

1101 (or 0xD) is the status for Channel Pressure events
cccc is the MIDI channel [0-15]
hhh is the track index [0-7]
llll is the level of the VU meter

If the level is 0x0, the meter is at 0%, if it's 0xC, the meter is at 100%.
0xD is an invalid value.
0xE sets the overload indicator, and 0xF clears the overload indicator.

Definition at line 107 of file VU.hpp.

Collaboration diagram for VUMatcher:

Classes
struct	Result
	Output data of the matcher/parser. More...

Public Member Functions
	VUMatcher (MIDIAddress address)
	Constructor. More...

Result	operator() (ChannelMessage m)
	Parse and try to match the incoming MIDI message. More...

Public Attributes
MIDIAddress	address
	MIDI address to compare incoming messages with. More...

Class Documentation

◆ MCU::VUMatcher::Result

struct MCU::VUMatcher::Result

Collaboration diagram for VUMatcher::Result:

Class Members
bool	match	Whether the address of the message matched our address.
uint8_t	data	The data to update the VU meter with [0x0, 0xF].

Constructor & Destructor Documentation

◆ VUMatcher()

VUMatcher ( MIDIAddress address )

inline

Constructor.

Definition at line 109 of file VU.hpp.

Member Function Documentation

◆ operator()()

Result operator() ( ChannelMessage m )

inline

Parse and try to match the incoming MIDI message.

Definition at line 118 of file VU.hpp.

Member Data Documentation

◆ address

MIDIAddress address

MIDI address to compare incoming messages with.

Definition at line 126 of file VU.hpp.

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

VU.hpp