80 lines
2.0 KiB
Markdown
80 lines
2.0 KiB
Markdown
---
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title: Wii drum controller
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date: 2024-01-03
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tags:
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- rockband
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---
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The Rock Band controllers (guitars and drum kit)
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are working very well on LEGO Rock Band and Clone Hero.
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But I'm a completionist,
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so I'm not resting yet:
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the cymbals don't work on Rock Band 3!
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Here's what I've found out so far about the Wii Rock Band drum kit.
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This is
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based on
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the Clone Hero wiki,
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[a forums post](https://discourse.zynthian.org/t/rockband-drums-joystick-as-a-drum-controller/2475/3),
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and the
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[rbdrum2midi](https://github.com/rbdrum2midi/rbdrum2midi/blob/master/src/rbkit.c)
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software.
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That last one was an exciting find:
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someone coded up how to read the controller.
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I may be able to use this program to test my controller code,
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instead of having to keep restarting games on the Wii!
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Rock Band 1 Drums
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-----------------
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VID: 0x1bad
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PID: 0x0005
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This works very similarly to the guitar code.
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The pads work the same as the non-solo buttons,
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kick drum is the orange pad.
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d-pad is sent as axis 2.
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That's it!
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I have these working as I write this,
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2024-01-03.
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Rock Band 2/3 Drums
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-------------------
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VID: 0x1bad
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PID: 0x3110?
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These are velocity-sensitive,
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but Amazon reviews claim they work with Rock Band 1.
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So either RB1 will recognize PID 0x3110 as a drum controller,
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the drums show up with two PIDs somehow,
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or I have bad information.
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rbdrum2midi makes it look like
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both PIDs use the same interface.
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I think it may be likely that 0x0005 sends velocity information!
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It does specify bit 3 of byte 1 in the HID report
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is the cymbal flag,
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which lines up with what Clone Hero says (button 10),
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and is what I'm sending.
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The two kick drum bits rbdrum2midi reads
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also align with what I'm sending.
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But rbdrum2midi isn't going to read any of my pad hits,
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because it's looking for velocity values.
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Maybe RB3 needs velocity >0 for cymbal hits.
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I'll try sending 0x7f
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in the reserved bytes for pads.
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These bytes seem to be ordered differently than the bits.
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rbdrum2midi lists the order as:
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* byte 11: yellow
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* byte 12: red
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* byte 13: green
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* byte 14: blue
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