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Component: USB MIDI (Comms: USB): Difference between revisions

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==Component Source Code==
==Component Source Code==


Please click here for the component source code: [https://www.flowcode.co.uk/wikicopy/componentsource/FC_Comp_Source_USBMIDI.fcfx FC_Comp_Source_USBMIDI.fcfx]
Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_USBMIDI.fcfx FC_Comp_Source_USBMIDI.fcfx]
 
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_USBMIDI.fcfx FC_Comp_Source_USBMIDI.fcfx]


==Detailed description==
==Detailed description==




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==Examples==
==Examples==




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==Downloadable macro reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
 
 
 
 
 
 
 
 
==Macro reference==
 
===Initialise===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendMIDI'''
| width="90%" class="mtx-class-macrohead" | '''Initialise'''
|-
|-
| colspan="2" | Sends a MIDI packet consisting of up to three bytes of information, 
| colspan="2" | Starts up the USB communications and attempts to enumerate. Returns 0 for a successful startup or 255 for a enumeration timeout. 
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Status
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
 
 
===ReadData===
{| class="mtx-class-macrotable wikitable"
|-
|-
| colspan="2" | MIDI Status Byte - Used for commands such as NoteOn, NoteOff etc. 
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" class="mtx-class-macrohead" | '''ReadData'''
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| colspan="2" | Reads a byte from the last received MIDI message 
| width="90%" | Data1
|-
|-
| colspan="2" | MIDI Data Byte - Used as a parameter specific to the specified command 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data2
| width="90%" | Idx
|-
|-
| colspan="2" | MIDI Data Byte - Used as a parameter specific to the specified command 
| colspan="2" | Byte to read 0-3 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===ReceiveMIDI===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendPitchChange'''
| width="90%" class="mtx-class-macrohead" | '''ReceiveMIDI'''
|-
|-
| colspan="2" | Sends out a pitch change command on the specified channel. 
| colspan="2" | Waits for the time specified in the timeout parameter for an incoming MIDI message. Returns 0 to indicate a timeout, otherwise returns the first value from the MIDI message. 
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
| width="90%" | Timeout
|-
|-
| colspan="2" | Channel to send the pitch change to 
| colspan="2" |  
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Pitch_Change
|-
| colspan="2" | New pitch value to use, Default 0x2000 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SendChannelPressure===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendNoteOff'''
| width="90%" class="mtx-class-macrohead" | '''SendChannelPressure'''
|-
|-
| colspan="2" | Sends a note off command using the channel, note and velocity specified. 
| colspan="2" |  
|-
|-
|-
|-
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|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Note
| width="90%" | Pressure
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Velocity
|-
|-
| colspan="2" |  
| colspan="2" |  
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SendControl===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendControl'''
| width="90%" class="mtx-class-macrohead" | '''SendControl'''
|-
|-
| colspan="2" | Sends a control command using the channel, controller and value specified. 
| colspan="2" | Sends a control command using the channel, controller and value specified. 
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SendMIDI===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendNoteOn'''
| width="90%" class="mtx-class-macrohead" | '''SendMIDI'''
|-
|-
| colspan="2" | Sends a note on command using the channel, note and velocity specified. 
| colspan="2" | Sends a MIDI packet consisting of up to three bytes of information, 
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
| width="90%" | Status
|-
|-
| colspan="2" |  
| colspan="2" | MIDI Status Byte - Used for commands such as NoteOn, NoteOff etc. 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Note
| width="90%" | Data1
|-
|-
| colspan="2" |  
| colspan="2" | MIDI Data Byte - Used as a parameter specific to the specified command 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Velocity
| width="90%" | Data2
|-
|-
| colspan="2" |  
| colspan="2" | MIDI Data Byte - Used as a parameter specific to the specified command 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SendNoteOff===
{| class="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" class="mtx-class-macrohead" | '''SendNoteOff'''
|-
| colspan="2" | Sends a note off command using the channel, note and velocity specified. 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| colspan="2" |  
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReceiveMIDI'''
|-
|-
| colspan="2" | Waits for the time specified in the timeout parameter for an incoming MIDI message. Returns 0 to indicate a timeout, otherwise returns the first value from the MIDI message. 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Note
|-
|-
| colspan="2" |  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Timeout
| width="90%" | Velocity
|-
|-
| colspan="2" |  
| colspan="2" |  
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SendNoteOn===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendPolyPressure'''
| width="90%" class="mtx-class-macrohead" | '''SendNoteOn'''
|-
|-
| colspan="2" | Sends a note press with an associated polyphonic pressure value. 
| colspan="2" | Sends a note on command using the channel, note and velocity specified. 
|-
|-
|-
|-
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|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Pressure
| width="90%" | Velocity
|-
|-
| colspan="2" |  
| colspan="2" |  
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SendPatch===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadData'''
| width="90%" class="mtx-class-macrohead" | '''SendPatch'''
|-
|-
| colspan="2" | Reads a byte from the last received MIDI message 
| colspan="2" |  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
|-
|-
| colspan="2" |  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Idx
| width="90%" | Instrument
|-
|-
| colspan="2" | Byte to read 0-3 
| colspan="2" |  
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SendPitchChange===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendPatch'''
| width="90%" class="mtx-class-macrohead" | '''SendPitchChange'''
|-
|-
| colspan="2" |  
| colspan="2" | Sends out a pitch change command on the specified channel. 
|-
|-
|-
|-
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| width="90%" | Channel
| width="90%" | Channel
|-
|-
| colspan="2" |  
| colspan="2" | Channel to send the pitch change to 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Instrument
| width="90%" | Pitch_Change
|-
|-
| colspan="2" |  
| colspan="2" | New pitch value to use, Default 0x2000 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===SendPolyPressure===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendChannelPressure'''
| width="90%" class="mtx-class-macrohead" | '''SendPolyPressure'''
|-
|-
| colspan="2" |  
| colspan="2" | Sends a note press with an associated polyphonic pressure value. 
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
| width="90%" | Channel
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Note
|-
|-
| colspan="2" |  
| colspan="2" |  
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| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
|-
| colspan="2" | Starts up the USB communications and attempts to enumerate. Returns 0 for a successful startup or 255 for a enumeration timeout. 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




==Property reference==
==Property reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''  
| width="90%" class="mtx-class-macrohead" | '''Properties'''  
|-
|-
|-
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | USB Properties
| width="90%" class="mtx-class-propfolder" | USB Properties
|-
|-
|-
|-
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| colspan="2" | Specifies if the enumeration (Initialise function) can timeout if taking too long. 
| colspan="2" | Specifies if the enumeration (Initialise function) can timeout if taking too long. 
|-
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
| width="90%" class="mtx-class-propfolder" | Simulation
|-
|-
|-
|-

Latest revision as of 14:37, 13 July 2026

Author Matrix Ltd.
Version 1.3
Category Comms: USB


USB MIDI component

Component to create and communicate using a standard MIDI connection. Compatible with simulation and USB enabled microcontroller devices. Currently only compatible with the 16-bit PIC range of devices.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_USBMIDI.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_USBMIDI.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples







Macro reference

Initialise

Initialise
Starts up the USB communications and attempts to enumerate. Returns 0 for a successful startup or 255 for a enumeration timeout. 
- BYTE Return


ReadData

ReadData
Reads a byte from the last received MIDI message 
- BYTE Idx
Byte to read 0-3 
- BYTE Return


ReceiveMIDI

ReceiveMIDI
Waits for the time specified in the timeout parameter for an incoming MIDI message. Returns 0 to indicate a timeout, otherwise returns the first value from the MIDI message. 
- BYTE Timeout
 
- BYTE Return


SendChannelPressure

SendChannelPressure
 
- BYTE Channel
 
- BYTE Pressure
 
- VOID Return


SendControl

SendControl
Sends a control command using the channel, controller and value specified. 
- BYTE Channel
 
- BYTE Controller
 
- BYTE Value
 
- VOID Return


SendMIDI

SendMIDI
Sends a MIDI packet consisting of up to three bytes of information, 
- BYTE Status
MIDI Status Byte - Used for commands such as NoteOn, NoteOff etc. 
- BYTE Data1
MIDI Data Byte - Used as a parameter specific to the specified command 
- BYTE Data2
MIDI Data Byte - Used as a parameter specific to the specified command 
- VOID Return


SendNoteOff

SendNoteOff
Sends a note off command using the channel, note and velocity specified. 
- BYTE Channel
 
- BYTE Note
 
- BYTE Velocity
 
- VOID Return


SendNoteOn

SendNoteOn
Sends a note on command using the channel, note and velocity specified. 
- BYTE Channel
 
- BYTE Note
 
- BYTE Velocity
 
- VOID Return


SendPatch

SendPatch
 
- BYTE Channel
 
- BYTE Instrument
 
- VOID Return


SendPitchChange

SendPitchChange
Sends out a pitch change command on the specified channel. 
- BYTE Channel
Channel to send the pitch change to 
- UINT Pitch_Change
New pitch value to use, Default 0x2000 
- VOID Return


SendPolyPressure

SendPolyPressure
Sends a note press with an associated polyphonic pressure value. 
- BYTE Channel
 
- BYTE Note
 
- BYTE Pressure
 
- VOID Return


Property reference

Properties
USB Properties
Vendor ID
USB VID 
Product ID
USB PID 
Device Name
USB Device Name 
Manufacturer
USB Manufacturer 
Major Version
USB Major Version Number 
Minor Version
USB Minor Version Number 
Enumeration Timeout
Specifies if the enumeration (Initialise function) can timeout if taking too long. 
Simulation
Label
Text displayed on the I/O flasher comms component. 
Data Source
Simulation data source used to allow the component to connect to specific MIDI hardware or the the data injector components. 
MIDI Port
 
Retrieved from "https://www.flowcode.co.uk/wiki/index.php?title=Component:_USB_MIDI_(Comms:_USB)&oldid=48395"