diff options
Diffstat (limited to 'src/device')
| -rw-r--r-- | src/device/usbd.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/device/usbd.h b/src/device/usbd.h index a9f4c5f08..abce5a887 100644 --- a/src/device/usbd.h +++ b/src/device/usbd.h @@ -429,14 +429,14 @@ bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_requ //--------------------------------------------------------------------+ // Alt Setting 1: MS Interface + MS Header (bcdMSC=0x0200) -// wTotalLength covers MS Header + all CS Endpoint descriptors -#define TUD_MIDI2_DESC_ALT1_CS_LEN(_numgtbs) (7 + (4 + (_numgtbs)) * 2) +// 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, _numgtbs) \ +#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 = header + 2x CS Endpoint */\ - 7, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_HEADER, U16_TO_U8S_LE(0x0200), U16_TO_U8S_LE(TUD_MIDI2_DESC_ALT1_CS_LEN(_numgtbs)) + /* 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)) @@ -457,7 +457,7 @@ bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_requ TUD_MIDI_DESC_EP(_epin, _epsize, 1),\ TUD_MIDI_JACKID_OUT_EMB(1),\ /* Alt Setting 1 (UMP) */\ - TUD_MIDI2_DESC_ALT1_HEAD(_itfnum, _stridx, 1),\ + 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 */) |