diff options
Diffstat (limited to 'src/device/usbd.h')
| -rw-r--r-- | src/device/usbd.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/device/usbd.h b/src/device/usbd.h index 473e697ac..abce5a887 100644 --- a/src/device/usbd.h +++ b/src/device/usbd.h @@ -425,6 +425,43 @@ bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_requ TUD_MIDI_JACKID_OUT_EMB(1) //--------------------------------------------------------------------+ +// MIDI 2.0 Descriptor Templates (USB-MIDI 2.0) +//--------------------------------------------------------------------+ + +// Alt Setting 1: MS Interface + MS Header (bcdMSC=0x0200) +// Per USB-MIDI 2.0 Table 5-2: wTotalLength in the MS Header is not used in 2.0 +// and shall be set to match bLength (= 0x0007) for conformity with USB-MIDI 1.0. +#define TUD_MIDI2_DESC_ALT1_HEAD_LEN (9 + 7) +#define TUD_MIDI2_DESC_ALT1_HEAD(_itfnum, _stridx) \ + /* MIDI Streaming Interface, Alt Setting 1 */\ + 9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum) + 1), 1, 2, TUSB_CLASS_AUDIO, AUDIO_SUBCLASS_MIDI_STREAMING, AUDIO_FUNC_PROTOCOL_CODE_UNDEF, 0,\ + /* MS Header (MIDI 2.0): wTotalLength = bLength per spec */\ + 7, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_HEADER, U16_TO_U8S_LE(0x0200), U16_TO_U8S_LE(0x0007) + +// Alt Setting 1: Standard USB Endpoint (7 bytes) + CS Endpoint General 2.0 +#define TUD_MIDI2_DESC_ALT1_EP_LEN(_numgtbs) (7 + 4 + (_numgtbs)) +#define TUD_MIDI2_DESC_ALT1_EP(_ep, _epsize, _numgtbs, ...) \ + 7, TUSB_DESC_ENDPOINT, _ep, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0, \ + (uint8_t)(4 + (_numgtbs)), TUSB_DESC_CS_ENDPOINT, MIDI_CS_ENDPOINT_GENERAL_2_0, _numgtbs, ## __VA_ARGS__ + +// Total length: Alt 0 (MIDI 1.0) + Alt 1 (UMP) +#define TUD_MIDI2_DESC_LEN (TUD_MIDI_DESC_LEN + TUD_MIDI2_DESC_ALT1_HEAD_LEN + TUD_MIDI2_DESC_ALT1_EP_LEN(1) * 2) + +// Complete MIDI 2.0 descriptor with both alternate settings (single cable/GTB) +#define TUD_MIDI2_DESCRIPTOR(_itfnum, _stridx, _epout, _epin, _epsize) \ + /* Alt Setting 0 (MIDI 1.0) */\ + TUD_MIDI_DESC_HEAD(_itfnum, _stridx, 1),\ + TUD_MIDI_DESC_JACK_DESC(1, 0),\ + TUD_MIDI_DESC_EP(_epout, _epsize, 1),\ + TUD_MIDI_JACKID_IN_EMB(1),\ + TUD_MIDI_DESC_EP(_epin, _epsize, 1),\ + TUD_MIDI_JACKID_OUT_EMB(1),\ + /* Alt Setting 1 (UMP) */\ + TUD_MIDI2_DESC_ALT1_HEAD(_itfnum, _stridx),\ + TUD_MIDI2_DESC_ALT1_EP(_epout, _epsize, 1, 1 /* bAssoGrpTrmBlkID */),\ + TUD_MIDI2_DESC_ALT1_EP(_epin, _epsize, 1, 1 /* bAssoGrpTrmBlkID */) + +//--------------------------------------------------------------------+ // Audio Descriptor Templates //--------------------------------------------------------------------+ |