mirror of https://github.com/probonopd/MiniDexed
pull/446/head^2
parent
06be0a533c
commit
9bc36800b9
@ -0,0 +1,86 @@ |
|||||||
|
//
|
||||||
|
// usbminidexedmidigadget.h
|
||||||
|
//
|
||||||
|
// MiniDexed - Dexed FM synthesizer for bare metal Raspberry Pi
|
||||||
|
// Copyright (C) 2022 The MiniDexed Team
|
||||||
|
//
|
||||||
|
// Based on circle/usb/gadget/usbmidigadget.h
|
||||||
|
//
|
||||||
|
// This program is free software: you can redistribute it and/or modify
|
||||||
|
// it under the terms of the GNU General Public License as published by
|
||||||
|
// the Free Software Foundation, either version 3 of the License, or
|
||||||
|
// (at your option) any later version.
|
||||||
|
//
|
||||||
|
// This program is distributed in the hope that it will be useful,
|
||||||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
// GNU General Public License for more details.
|
||||||
|
//
|
||||||
|
// You should have received a copy of the GNU General Public License
|
||||||
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
//
|
||||||
|
#ifndef _usbminidexedmidigadget_h |
||||||
|
#define _usbminidexedmidigadget_h |
||||||
|
|
||||||
|
#include <circle/usb/gadget/usbmidigadget.h> |
||||||
|
#include <circle/usb/gadget/usbmidigadgetendpoint.h> |
||||||
|
#include <circle/sysconfig.h> |
||||||
|
#include <assert.h> |
||||||
|
|
||||||
|
class CUSBMiniDexedMIDIGadget : public CUSBMIDIGadget |
||||||
|
{ |
||||||
|
private: |
||||||
|
#define MDSTRINGDESCRIPTORS 3 |
||||||
|
const char *const s_MiniDexedStringDescriptor[MDSTRINGDESCRIPTORS] = |
||||||
|
{ |
||||||
|
"\x04\x03\x09\x04", // Language ID
|
||||||
|
"probonopd", |
||||||
|
"MiniDexed" |
||||||
|
}; |
||||||
|
|
||||||
|
public: |
||||||
|
CUSBMiniDexedMIDIGadget (CInterruptSystem *pInterruptSystem) |
||||||
|
: CUSBMIDIGadget (pInterruptSystem) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
~CUSBMiniDexedMIDIGadget (void) |
||||||
|
{ |
||||||
|
assert(0); |
||||||
|
} |
||||||
|
|
||||||
|
protected: |
||||||
|
// Override GetDescriptor frmo CUSBMIDIGadget.
|
||||||
|
// See CUSBMIDIGadget for details.
|
||||||
|
// This will only act on the DESCRIPOR_STRING.
|
||||||
|
// All other descriptors are returned from USBMIDIGadget.
|
||||||
|
//
|
||||||
|
const void *GetDescriptor (u16 wValue, u16 wIndex, size_t *pLength) override |
||||||
|
{ |
||||||
|
assert (pLength); |
||||||
|
|
||||||
|
u8 uchDescIndex = wValue & 0xFF; |
||||||
|
|
||||||
|
switch (wValue >> 8) |
||||||
|
{ |
||||||
|
case DESCRIPTOR_STRING: |
||||||
|
if (!uchDescIndex) |
||||||
|
{ |
||||||
|
*pLength = (u8) s_MiniDexedStringDescriptor[0][0]; |
||||||
|
return s_MiniDexedStringDescriptor[0]; |
||||||
|
} |
||||||
|
else if (uchDescIndex < MDSTRINGDESCRIPTORS) |
||||||
|
{ |
||||||
|
return CUSBMIDIGadget::ToStringDescriptor (s_MiniDexedStringDescriptor[uchDescIndex], pLength); |
||||||
|
} |
||||||
|
break; |
||||||
|
|
||||||
|
default: |
||||||
|
break; |
||||||
|
} |
||||||
|
|
||||||
|
return CUSBMIDIGadget::GetDescriptor(wValue, wIndex, pLength); |
||||||
|
} |
||||||
|
}; |
||||||
|
|
||||||
|
#endif |
Loading…
Reference in new issue