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tinyusb: MIDI - split descriptor initializer into individual sections #179

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Oct 4, 2019
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tinyusb: MIDI - split descriptor initializer into individual sections #179

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75 changes: 49 additions & 26 deletions cores/arduino/Adafruit_TinyUSB_Core/tinyusb/src/device/usbd.h
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Original file line number Diff line number Diff line change
Expand Up @@ -169,15 +169,15 @@ TU_ATTR_WEAK bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_re
/* CDC Header */\
5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_HEADER, U16_TO_U8S_LE(0x0120),\
/* CDC Call */\
5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_CALL_MANAGEMENT, 0, static_cast<uint8_t>((_itfnum) + 1),\
5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_CALL_MANAGEMENT, 0, (uint8_t)((_itfnum) + 1),\
/* CDC ACM: support line request */\
4, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT, 2,\
/* CDC Union */\
5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_UNION, _itfnum, static_cast<uint8_t>((_itfnum) + 1),\
5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_UNION, _itfnum, (uint8_t)((_itfnum) + 1),\
/* Endpoint Notification */\
7, TUSB_DESC_ENDPOINT, _ep_notif, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_notif_size), 16,\
/* CDC Data Interface */\
9, TUSB_DESC_INTERFACE, static_cast<uint8_t>((_itfnum) + 1), 0, 2, TUSB_CLASS_CDC_DATA, 0, 0, 0,\
9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum) + 1), 0, 2, TUSB_CLASS_CDC_DATA, 0, 0, 0,\
/* Endpoint Out */\
7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
/* Endpoint In */\
Expand Down Expand Up @@ -206,7 +206,7 @@ TU_ATTR_WEAK bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_re
// Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval
#define TUD_HID_DESCRIPTOR(_itfnum, _stridx, _boot_protocol, _report_desc_len, _epin, _epsize, _ep_interval) \
/* Interface */\
9, TUSB_DESC_INTERFACE, _itfnum, 0, 1, TUSB_CLASS_HID, static_cast<uint8_t>((_boot_protocol) ? HID_SUBCLASS_BOOT : 0), _boot_protocol, _stridx,\
9, TUSB_DESC_INTERFACE, _itfnum, 0, 1, TUSB_CLASS_HID, (uint8_t)((_boot_protocol) ? HID_SUBCLASS_BOOT : 0), _boot_protocol, _stridx,\
/* HID descriptor */\
9, HID_DESC_TYPE_HID, U16_TO_U8S_LE(0x0111), 0, 1, HID_DESC_TYPE_REPORT, U16_TO_U8S_LE(_report_desc_len),\
/* Endpoint In */\
Expand All @@ -219,7 +219,7 @@ TU_ATTR_WEAK bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_re
// Interface number, string index, protocol, report descriptor len, EP OUT & IN address, size & polling interval
#define TUD_HID_INOUT_DESCRIPTOR(_itfnum, _stridx, _boot_protocol, _report_desc_len, _epout, _epin, _epsize, _ep_interval) \
/* Interface */\
9, TUSB_DESC_INTERFACE, _itfnum, 0, 2, TUSB_CLASS_HID, static_cast<uint8_t>((_boot_protocol) ? HID_SUBCLASS_BOOT : 0), _boot_protocol, _stridx,\
9, TUSB_DESC_INTERFACE, _itfnum, 0, 2, TUSB_CLASS_HID, (uint8_t)((_boot_protocol) ? HID_SUBCLASS_BOOT : 0), _boot_protocol, _stridx,\
/* HID descriptor */\
9, HID_DESC_TYPE_HID, U16_TO_U8S_LE(0x0111), 0, 1, HID_DESC_TYPE_REPORT, U16_TO_U8S_LE(_report_desc_len),\
/* Endpoint Out */\
Expand All @@ -229,37 +229,60 @@ TU_ATTR_WEAK bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_re

//------------- MIDI -------------//

// Length of template descriptor (96 bytes)
#define TUD_MIDI_DESC_LEN (9 + 9 + 9 + 7 + 6 + 6 + 9 + 9 + 7 + 5 + 7 + 5)

// MIDI simple descriptor
// - 1 Embedded Jack In connected to 1 External Jack Out
// - 1 Embedded Jack out connected to 1 External Jack In
#define TUD_MIDI_DESCRIPTOR(_itfnum, _stridx, _epout, _epin, _epsize) \
#define TUD_MIDI_DESC_HEAD_LEN (9 + 9 + 9 + 7)
#define TUD_MIDI_DESC_HEAD(_itfnum, _stridx, _numcables) \
/* Audio Control (AC) Interface */\
9, TUSB_DESC_INTERFACE, _itfnum, 0, 0, TUSB_CLASS_AUDIO, AUDIO_SUBCLASS_CONTROL, AUDIO_PROTOCOL_V1, _stridx,\
/* AC Header */\
9, TUSB_DESC_CS_INTERFACE, AUDIO_CS_INTERFACE_HEADER, U16_TO_U8S_LE(0x0100), U16_TO_U8S_LE(0x0009), 1, static_cast<uint8_t>((_itfnum) + 1),\
9, TUSB_DESC_CS_INTERFACE, AUDIO_CS_INTERFACE_HEADER, U16_TO_U8S_LE(0x0100), U16_TO_U8S_LE(0x0009), 1, (uint8_t)((_itfnum) + 1),\
/* MIDI Streaming (MS) Interface */\
9, TUSB_DESC_INTERFACE, static_cast<uint8_t>((_itfnum) + 1), 0, 2, TUSB_CLASS_AUDIO, AUDIO_SUBCLASS_MIDI_STREAMING, AUDIO_PROTOCOL_V1, 0,\
9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum) + 1), 0, 2, TUSB_CLASS_AUDIO, AUDIO_SUBCLASS_MIDI_STREAMING, AUDIO_PROTOCOL_V1, 0,\
/* MS Header */\
7, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_HEADER, U16_TO_U8S_LE(0x0100), U16_TO_U8S_LE(0x0025),\
7, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_HEADER, U16_TO_U8S_LE(0x0100), U16_TO_U8S_LE(7 + (_numcables) * TUD_MIDI_DESC_JACK_LEN)

#define TUD_MIDI_JACKID_IN_EMB(_cablenum) \
(uint8_t)(((_cablenum) - 1) * 4 + 1)

#define TUD_MIDI_JACKID_IN_EXT(_cablenum) \
(uint8_t)(((_cablenum) - 1) * 4 + 2)

#define TUD_MIDI_JACKID_OUT_EMB(_cablenum) \
(uint8_t)(((_cablenum) - 1) * 4 + 3)

#define TUD_MIDI_JACKID_OUT_EXT(_cablenum) \
(uint8_t)(((_cablenum) - 1) * 4 + 4)

#define TUD_MIDI_DESC_JACK_LEN (6 + 6 + 9 + 9)
#define TUD_MIDI_DESC_JACK(_cablenum) \
/* MS In Jack (Embedded) */\
6, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_IN_JACK, MIDI_JACK_EMBEDDED, 1, 0,\
6, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_IN_JACK, MIDI_JACK_EMBEDDED, TUD_MIDI_JACKID_IN_EMB(_cablenum), 0,\
/* MS In Jack (External) */\
6, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_IN_JACK, MIDI_JACK_EXTERNAL, 2, 0,\
6, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_IN_JACK, MIDI_JACK_EXTERNAL, TUD_MIDI_JACKID_IN_EXT(_cablenum), 0,\
/* MS Out Jack (Embedded), connected to In Jack External */\
9, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_OUT_JACK, MIDI_JACK_EMBEDDED, 3, 1, 2, 1, 0,\
9, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_OUT_JACK, MIDI_JACK_EMBEDDED, TUD_MIDI_JACKID_OUT_EMB(_cablenum), 1, TUD_MIDI_JACKID_IN_EXT(_cablenum), 1, 0,\
/* MS Out Jack (External), connected to In Jack Embedded */\
9, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_OUT_JACK, MIDI_JACK_EXTERNAL, 4, 1, 1, 1, 0,\
/* Endpoint Out */\
9, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_OUT_JACK, MIDI_JACK_EXTERNAL, TUD_MIDI_JACKID_OUT_EXT(_cablenum), 1, TUD_MIDI_JACKID_IN_EMB(_cablenum), 1, 0

#define TUD_MIDI_DESC_EP_LEN(_numcables) (7 + 4 + (_numcables))
#define TUD_MIDI_DESC_EP(_epout, _epsize, _numcables) \
/* Endpoint */\
7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
/* MS Endpoint (connected to embedded jack in) */\
5, TUSB_DESC_CS_ENDPOINT, MIDI_CS_ENDPOINT_GENERAL, 1, 1,\
/* Endpoint In */\
7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
/* MS Endpoint (connected to embedded jack out) */\
5, TUSB_DESC_CS_ENDPOINT, MIDI_CS_ENDPOINT_GENERAL, 1, 3
/* MS Endpoint (connected to embedded jack) */\
(uint8_t)(4 + (_numcables)), TUSB_DESC_CS_ENDPOINT, MIDI_CS_ENDPOINT_GENERAL, _numcables

// Length of template descriptor (88 bytes)
#define TUD_MIDI_DESC_LEN (TUD_MIDI_DESC_HEAD_LEN + TUD_MIDI_DESC_JACK_LEN + TUD_MIDI_DESC_EP_LEN(1) * 2)

// MIDI simple descriptor
// - 1 Embedded Jack In connected to 1 External Jack Out
// - 1 Embedded Jack out connected to 1 External Jack In
#define TUD_MIDI_DESCRIPTOR(_itfnum, _stridx, _epout, _epin, _epsize) \
TUD_MIDI_DESC_HEAD(_itfnum, _stridx, 1),\
TUD_MIDI_DESC_JACK(1),\
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)

//------------- Vendor -------------//
#define TUD_VENDOR_DESC_LEN (9+7+7)
Expand Down