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Re: MiSTer MidiLink
Posted: Tue Oct 17, 2023 9:37 pm
by jaffa225man
bbond007 wrote: ↑Tue Oct 10, 2023 1:43 am
Great, please report back if your results are different without using MIDI though USB. That information cold potentially help a developer identify the regression and fix the issue.
I'm reporting back now to say it's the same MIDI message corruption on the X68000 core's Gemini Wing with the USER IO port plugged into my MiSTer MIDI 1.4, so I have reported the problem with the X68000 core (https://github.com/MiSTer-devel/X68000_ ... 1948339602), since it has nothing to do with MIDILink!
bbond007 wrote: ↑Tue Oct 10, 2023 1:43 am
Perhaps it does have less latency, but I can't tell the difference between USER IO, USB or even UDP(over WiFi) with my ears. I'm not a musician.
I'm not a musician either, and nor are my ears perfect, but MIDI latency isn't an issue for me either. It's plenty fast on your MIDILink code, although I've not tried UDP, let alone it over WiFi. It's just a nice comfort to believe messages are sent at precisely the same instant they would be from the real computers.
Thanks again! 
Re: MiSTer MidiLink
Posted: Mon Jun 03, 2024 1:00 pm
by auk
The MiSTer_MIDILink daemon by bbond007 works nicely with the M-Audio Axiom 25 MIDI controller keyboard connected via USB. Programs running on the AtariST, Amiga and AO486 cores can receive events generated by its keys/knobs/pads/pedals and transmit events to external synths by its MIDI OUT connector. But, after reading its manual and what I could find by searching this forum and the GitHub page I know of no way to pass events from its MIDI IN connector to the programs. Is this possible? Will include an excerpt from its manual and some output from lsusb. Thanks!
When installed, the Axiom appears as a simple MIDI device with two input ports and one output port.
Code: Select all
/root# lsusb -vs 1:7
Bus 001 Device 007: ID 0763:0198 M-Audio Axiom 25
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0763 M-Audio
idProduct 0x0198 Axiom 25
bcdDevice 1.05
iManufacturer 1 M-Audio
iProduct 2 USB Axiom 25
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0075
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 3 Audio Class
bmAttributes 0xc0
Self Powered
MaxPower 160mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 0
iInterface 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 0x0009
bInCollection 1
baInterfaceNr(0) 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 1 Audio
bInterfaceSubClass 3 MIDI Streaming
bInterfaceProtocol 0
iInterface 0
MIDIStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 0x0041
MIDIStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 2 (MIDI_IN_JACK)
bJackType 1 Embedded
bJackID 1
iJack 0
MIDIStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 2 (MIDI_IN_JACK)
bJackType 2 External
bJackID 2
iJack 0
MIDIStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 2 (MIDI_IN_JACK)
bJackType 2 External
bJackID 5
iJack 0
MIDIStreaming Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (MIDI_OUT_JACK)
bJackType 1 Embedded
bJackID 3
bNrInputPins 1
baSourceID( 0) 2
BaSourcePin( 0) 1
iJack 0
MIDIStreaming Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (MIDI_OUT_JACK)
bJackType 1 Embedded
bJackID 6
bNrInputPins 1
baSourceID( 0) 5
BaSourcePin( 0) 1
iJack 0
MIDIStreaming Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (MIDI_OUT_JACK)
bJackType 2 External
bJackID 4
bNrInputPins 1
baSourceID( 0) 1
BaSourcePin( 0) 1
iJack 0
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
bRefresh 0
bSynchAddress 0
MIDIStreaming Endpoint Descriptor:
bLength 6
bDescriptorType 37
bDescriptorSubtype 1 (GENERAL)
bNumEmbMIDIJack 2
baAssocJackID( 0) 3
baAssocJackID( 1) 6
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
bRefresh 0
bSynchAddress 0
MIDIStreaming Endpoint Descriptor:
bLength 5
bDescriptorType 37
bDescriptorSubtype 1 (GENERAL)
bNumEmbMIDIJack 1
baAssocJackID( 0) 1
Device Status: 0x0000
(Bus Powered)