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authorSaulo VerĂ­ssimo <[email protected]>2026-03-24 23:37:48 -0300
committerSaulo VerĂ­ssimo <[email protected]>2026-05-12 11:07:44 -0300
commitbc8ce76ae800b312b4d3ef591cc42e8726e68d7f (patch)
treefcfe1ba4521bb949fc976cc64cd689fe9d83e7aa
parent4e64f3e91cefab0993a837ac03476173eeeda854 (diff)
feat: add MIDI 2.0 Device class driver (USB-MIDI 2.0)
Add native USB-MIDI 2.0 Device class driver to TinyUSB. Implements the USB-MIDI 2.0 specification with both Alt Setting 0 (MIDI 1.0 fallback) and Alt Setting 1 (UMP native) descriptor support. Driver features: - UMP (Universal MIDI Packet) read/write with atomic message framing - Protocol negotiation: Endpoint Discovery, Config Request/Notify, Function Block Discovery (embedded in driver) - Group Terminal Block descriptor via GET_DESCRIPTOR - Alt Setting switch handler with endpoint re-arm - Static allocation, no dynamic memory, ISR-safe Build system: - Register midi2d_* in usbd.c driver table - Add TUD_MIDI2_DESCRIPTOR macros to usbd.h - Add config defaults (CFG_TUD_MIDI2_*) to tusb_option.h - Add midi2_ump_word_count() to midi.h (shared by Device and Host) - Add midi2_device.c/h to family.cmake and CMakeLists.txt - Add midi2_device.h include to tusb.h All changes guarded by #if CFG_TUD_MIDI2 (default 0). Zero impact on existing drivers and examples. Tested: Raspberry Pi Pico (RP2040), Linux ALSA, Windows MIDI Services
-rw-r--r--hw/bsp/rp2040/family.cmake2
-rw-r--r--src/CMakeLists.txt2
-rw-r--r--src/class/midi/midi.h18
-rw-r--r--src/class/midi/midi2_device.c604
-rw-r--r--src/class/midi/midi2_device.h125
-rw-r--r--src/device/usbd.c14
-rw-r--r--src/device/usbd.h37
-rw-r--r--src/tusb.h8
-rw-r--r--src/tusb_option.h52
9 files changed, 862 insertions, 0 deletions
diff --git a/hw/bsp/rp2040/family.cmake b/hw/bsp/rp2040/family.cmake
index 075582554..aab9a4fae 100644
--- a/hw/bsp/rp2040/family.cmake
+++ b/hw/bsp/rp2040/family.cmake
@@ -99,6 +99,7 @@ target_sources(tinyusb_device_base INTERFACE
${TOP}/src/class/dfu/dfu_rt_device.c
${TOP}/src/class/hid/hid_device.c
${TOP}/src/class/midi/midi_device.c
+ ${TOP}/src/class/midi/midi2_device.c
${TOP}/src/class/msc/msc_device.c
${TOP}/src/class/mtp/mtp_device.c
${TOP}/src/class/net/ecm_rndis_device.c
@@ -121,6 +122,7 @@ target_sources(tinyusb_host_base INTERFACE
${TOP}/src/class/cdc/cdc_host.c
${TOP}/src/class/hid/hid_host.c
${TOP}/src/class/midi/midi_host.c
+ ${TOP}/src/class/midi/midi2_host.c
${TOP}/src/class/msc/msc_host.c
${TOP}/src/class/vendor/vendor_host.c
)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c7a5184c5..b3e05f60f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -14,6 +14,7 @@ function(tinyusb_sources_get OUTPUT_VAR)
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/dfu/dfu_rt_device.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/hid/hid_device.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/midi/midi_device.c
+ ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/midi/midi2_device.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/msc/msc_device.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/mtp/mtp_device.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/net/ecm_rndis_device.c
@@ -28,6 +29,7 @@ function(tinyusb_sources_get OUTPUT_VAR)
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/cdc/cdc_host.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/hid/hid_host.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/midi/midi_host.c
+ ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/midi/midi2_host.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/msc/msc_host.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/vendor/vendor_host.c
# typec
diff --git a/src/class/midi/midi.h b/src/class/midi/midi.h
index cd67640e4..8121ec016 100644
--- a/src/class/midi/midi.h
+++ b/src/class/midi/midi.h
@@ -186,6 +186,24 @@ typedef midi_desc_cs_endpoint_n_t(1) midi_desc_cs_endpoint_1jack_t;
TU_VERIFY_STATIC(sizeof(midi_desc_cs_endpoint_1jack_t) == 4+1, "size is not correct");
//--------------------------------------------------------------------+
+// MIDI 2.0 UMP Helpers
+//--------------------------------------------------------------------+
+
+// Return the number of 32-bit words for a UMP message given its Message Type
+static inline uint8_t midi2_ump_word_count(uint8_t mt) {
+ switch (mt) {
+ case 0x0: case 0x1: case 0x2: case 0x6: case 0x7:
+ return 1;
+ case 0x3: case 0x4: case 0x8: case 0x9: case 0xA:
+ return 2;
+ case 0xB: case 0xC:
+ return 3;
+ default: // 0x5, 0xD, 0xE, 0xF
+ return 4;
+ }
+}
+
+//--------------------------------------------------------------------+
// For Internal Driver Use
//--------------------------------------------------------------------+
typedef struct {
diff --git a/src/class/midi/midi2_device.c b/src/class/midi/midi2_device.c
new file mode 100644
index 000000000..9363aac11
--- /dev/null
+++ b/src/class/midi/midi2_device.c
@@ -0,0 +1,604 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2026 Saulo Verissimo
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "tusb_option.h"
+
+#if CFG_TUD_ENABLED && CFG_TUD_MIDI2
+
+#include <string.h>
+
+#include "device/usbd.h"
+#include "device/usbd_pvt.h"
+#include "midi2_device.h"
+
+//--------------------------------------------------------------------+
+// Weak stubs
+//--------------------------------------------------------------------+
+TU_ATTR_WEAK void tud_midi2_rx_cb(uint8_t itf) { (void) itf; }
+TU_ATTR_WEAK void tud_midi2_set_itf_cb(uint8_t itf, uint8_t alt) { (void) itf; (void) alt; }
+TU_ATTR_WEAK bool tud_midi2_get_req_itf_cb(uint8_t rhport, const tusb_control_request_t* request) {
+ (void) rhport; (void) request; return false;
+}
+
+//--------------------------------------------------------------------+
+// UMP Stream Message Constants
+//--------------------------------------------------------------------+
+// UMP Message Type for Stream messages (bits 31:28)
+enum {
+ MT_STREAM = 0x0F,
+};
+
+// UMP Stream Status values (10-bit, bits 25:16)
+enum {
+ STREAM_ENDPOINT_DISCOVERY = 0x000,
+ STREAM_ENDPOINT_INFO = 0x001,
+ STREAM_EP_NAME = 0x003,
+ STREAM_PROD_INSTANCE_ID = 0x004,
+ STREAM_CONFIG_REQUEST = 0x005,
+ STREAM_CONFIG_NOTIFY = 0x006,
+ STREAM_FB_DISCOVERY = 0x010,
+ STREAM_FB_INFO = 0x011,
+};
+
+// MIDI Protocol values (per USB-MIDI 2.0 spec)
+enum {
+ MIDI_PROTOCOL_MIDI1 = 0x01,
+ MIDI_PROTOCOL_MIDI2 = 0x02,
+};
+
+enum {
+ UMP_VER_MAJOR = 1,
+ UMP_VER_MINOR = 1,
+};
+
+// Group Terminal Block descriptor types (USB-MIDI 2.0)
+enum {
+ MIDI2_CS_GRP_TRM_BLOCK = 0x26,
+ MIDI2_GRP_TRM_BLOCK_HEADER = 0x01,
+ MIDI2_GRP_TRM_BLOCK_ENTRY = 0x02,
+};
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+typedef struct {
+ uint8_t rhport;
+ uint8_t itf_num;
+ uint8_t alt_setting;
+ uint8_t protocol;
+ bool negotiated;
+
+ /*------------- From this point, data is not cleared by bus reset -------------*/
+ struct {
+ tu_edpt_stream_t tx;
+ tu_edpt_stream_t rx;
+
+ uint8_t rx_ff_buf[CFG_TUD_MIDI2_RX_BUFSIZE];
+ uint8_t tx_ff_buf[CFG_TUD_MIDI2_TX_BUFSIZE];
+ } ep_stream;
+} midi2d_interface_t;
+
+TU_VERIFY_STATIC(CFG_TUD_MIDI2_NUM_GROUPS >= 1 && CFG_TUD_MIDI2_NUM_GROUPS <= 16,
+ "CFG_TUD_MIDI2_NUM_GROUPS must be 1..16");
+TU_VERIFY_STATIC(CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS >= 1 && CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS <= 32,
+ "CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS must be 1..32");
+
+#define ITF_MEM_RESET_SIZE offsetof(midi2d_interface_t, ep_stream)
+
+static midi2d_interface_t _midi2d_itf[CFG_TUD_MIDI2];
+
+#if CFG_TUD_EDPT_DEDICATED_HWFIFO == 0
+typedef struct {
+ TUD_EPBUF_DEF(epin, CFG_TUD_MIDI2_TX_EPSIZE);
+ TUD_EPBUF_DEF(epout, CFG_TUD_MIDI2_RX_EPSIZE);
+} midi2d_epbuf_t;
+
+CFG_TUD_MEM_SECTION static midi2d_epbuf_t _midi2d_epbuf[CFG_TUD_MIDI2];
+#endif
+
+// Default Group Terminal Block descriptor (USB-MIDI 2.0 spec, Table 5-5/5-6)
+static const uint8_t _default_gtb_desc[] = {
+ // GTB Header (5 bytes)
+ 5, // bLength
+ MIDI2_CS_GRP_TRM_BLOCK, // bDescriptorType
+ MIDI2_GRP_TRM_BLOCK_HEADER, // bDescriptorSubtype
+ U16_TO_U8S_LE(18), // wTotalLength (5 + 13 = 18)
+
+ // GTB Entry (13 bytes)
+ 13, // bLength
+ MIDI2_CS_GRP_TRM_BLOCK, // bDescriptorType
+ MIDI2_GRP_TRM_BLOCK_ENTRY, // bDescriptorSubtype
+ 1, // bGrpTrmBlkID
+ 0x00, // bGrpTrmBlkType: bidirectional
+ 0x00, // nGroupTrm: first group (0)
+ CFG_TUD_MIDI2_NUM_GROUPS, // nNumGroupTrm
+ 0, // iBlockItem: no string
+ 0x00, // bMIDIProtocol: unknown/not fixed
+ 0, 0, // wMaxInputBandwidth: unknown
+ 0, 0 // wMaxOutputBandwidth: unknown
+};
+
+//--------------------------------------------------------------------+
+// Protocol Negotiation
+//--------------------------------------------------------------------+
+static void _nego_send_ump(midi2d_interface_t* p_midi, const uint32_t* words, uint8_t count) {
+ tu_edpt_stream_t* ep_tx = &p_midi->ep_stream.tx;
+ if (!tu_edpt_stream_is_opened(ep_tx)) return;
+ if (tu_edpt_stream_write_available(ep_tx) < count * 4) return;
+ tu_edpt_stream_write(ep_tx, words, count * 4);
+ tu_edpt_stream_write_xfer(ep_tx);
+}
+
+static void _nego_send_endpoint_info(midi2d_interface_t* p_midi) {
+ uint32_t msg[4] = {0};
+ msg[0] = ((uint32_t) MT_STREAM << 28)
+ | ((uint32_t) STREAM_ENDPOINT_INFO << 16)
+ | ((uint32_t) UMP_VER_MAJOR << 8)
+ | (uint32_t) UMP_VER_MINOR;
+ msg[1] = (1u << 31) // Static Function Blocks flag
+ | ((uint32_t)(CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS & 0x7F) << 24)
+ | (1u << 9) // MIDI 2.0 Protocol capability
+ | (1u << 8); // MIDI 1.0 Protocol capability
+ _nego_send_ump(p_midi, msg, 4);
+}
+
+static void _nego_send_stream_text(midi2d_interface_t* p_midi, uint16_t status, const char* str) {
+ if (!str || str[0] == '\0') return;
+
+ uint16_t total_len = (uint16_t) strlen(str);
+ uint16_t offset = 0;
+
+ while (offset < total_len) {
+ uint16_t remaining = total_len - offset;
+ uint8_t n = (uint8_t)((remaining > 14) ? 14 : remaining);
+ bool is_first = (offset == 0);
+ bool is_last = (remaining <= 14);
+
+ uint8_t form;
+ if (is_first && is_last) form = 0;
+ else if (is_first) form = 1;
+ else if (is_last) form = 3;
+ else form = 2;
+
+ uint32_t msg[4] = {0};
+ msg[0] = ((uint32_t) MT_STREAM << 28)
+ | ((uint32_t) form << 26)
+ | ((uint32_t) status << 16);
+
+ const char* p = str + offset;
+ if (n > 0) msg[0] |= ((uint32_t)(uint8_t) p[0] << 8);
+ if (n > 1) msg[0] |= (uint32_t)(uint8_t) p[1];
+ for (uint8_t i = 2; i < n; i++) {
+ uint8_t word_idx = (uint8_t)(1 + (i - 2) / 4);
+ uint8_t shift = (uint8_t)(24 - ((i - 2) % 4) * 8);
+ msg[word_idx] |= ((uint32_t)(uint8_t) p[i] << shift);
+ }
+
+ _nego_send_ump(p_midi, msg, 4);
+ offset += n;
+ }
+}
+
+static void _nego_send_config_notify(midi2d_interface_t* p_midi, uint8_t protocol) {
+ uint32_t msg[4] = {0};
+ msg[0] = ((uint32_t) MT_STREAM << 28)
+ | ((uint32_t) STREAM_CONFIG_NOTIFY << 16)
+ | ((uint32_t) protocol << 8);
+ _nego_send_ump(p_midi, msg, 4);
+}
+
+static void _nego_send_fb_info(midi2d_interface_t* p_midi, uint8_t fb_idx) {
+ uint32_t msg[4] = {0};
+ msg[0] = ((uint32_t) MT_STREAM << 28)
+ | ((uint32_t) STREAM_FB_INFO << 16)
+ | (1u << 15)
+ | ((uint32_t) fb_idx << 8)
+ | 0x02; // bDirection: bidirectional
+ msg[1] = ((uint32_t) 0 << 24) // bFirstGroup
+ | ((uint32_t) CFG_TUD_MIDI2_NUM_GROUPS << 16);
+ _nego_send_ump(p_midi, msg, 4);
+}
+
+static void _nego_handle_stream_msg(midi2d_interface_t* p_midi, const uint32_t* words) {
+ uint16_t status = (words[0] >> 16) & 0x3FF;
+
+ switch (status) {
+ case STREAM_ENDPOINT_DISCOVERY:
+ _nego_send_endpoint_info(p_midi);
+ _nego_send_stream_text(p_midi, STREAM_EP_NAME, CFG_TUD_MIDI2_EP_NAME);
+ _nego_send_stream_text(p_midi, STREAM_PROD_INSTANCE_ID, CFG_TUD_MIDI2_PRODUCT_ID);
+ break;
+
+ case STREAM_CONFIG_REQUEST: {
+ uint8_t req_proto = (words[0] >> 8) & 0xFF;
+ if (req_proto == MIDI_PROTOCOL_MIDI1 || req_proto == MIDI_PROTOCOL_MIDI2) {
+ p_midi->protocol = req_proto;
+ }
+ _nego_send_config_notify(p_midi, p_midi->protocol);
+ p_midi->negotiated = true;
+ break;
+ }
+
+ case STREAM_FB_DISCOVERY: {
+ uint8_t fb_idx = (words[0] >> 8) & 0xFF;
+ if (fb_idx == 0xFF) {
+ for (uint8_t f = 0; f < CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS; f++) {
+ _nego_send_fb_info(p_midi, f);
+ }
+ } else if (fb_idx < CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS) {
+ _nego_send_fb_info(p_midi, fb_idx);
+ }
+ break;
+ }
+
+ default:
+ break;
+ }
+}
+
+static void _nego_process_rx(midi2d_interface_t* p_midi) {
+ tu_edpt_stream_t* ep_rx = &p_midi->ep_stream.rx;
+ uint8_t first_byte;
+
+ while (tu_edpt_stream_peek(ep_rx, &first_byte)) {
+ uint8_t mt = (first_byte >> 4) & 0x0F;
+ uint8_t pkt_words = midi2_ump_word_count(mt);
+ uint32_t pkt_bytes = (uint32_t)pkt_words * 4;
+
+ if (mt != MT_STREAM) break;
+ if (tu_edpt_stream_read_available(ep_rx) < pkt_bytes) break;
+
+ uint32_t buf[4] = {0};
+ tu_edpt_stream_read(ep_rx, buf, pkt_bytes);
+ _nego_handle_stream_msg(p_midi, buf);
+ }
+}
+
+//--------------------------------------------------------------------+
+// READ API
+//--------------------------------------------------------------------+
+bool tud_midi2_n_mounted(uint8_t itf) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2, false);
+ midi2d_interface_t* p_midi = &_midi2d_itf[itf];
+ return tu_edpt_stream_is_opened(&p_midi->ep_stream.tx) &&
+ tu_edpt_stream_is_opened(&p_midi->ep_stream.rx);
+}
+
+uint32_t tud_midi2_n_available(uint8_t itf) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2, 0);
+ midi2d_interface_t* p_midi = &_midi2d_itf[itf];
+ return tu_edpt_stream_read_available(&p_midi->ep_stream.rx) / 4;
+}
+
+uint32_t tud_midi2_n_ump_read(uint8_t itf, uint32_t* words, uint32_t max_words) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2 && words != NULL && max_words > 0, 0);
+ midi2d_interface_t* p_midi = &_midi2d_itf[itf];
+ tu_edpt_stream_t* ep_rx = &p_midi->ep_stream.rx;
+
+ uint32_t total_read = 0;
+ while (total_read < max_words) {
+ uint8_t first_byte;
+ if (!tu_edpt_stream_peek(ep_rx, &first_byte)) break;
+
+ uint8_t mt = (first_byte >> 4) & 0x0F;
+ uint8_t pkt_words = midi2_ump_word_count(mt);
+
+ if (total_read + pkt_words > max_words) break;
+ if (tu_edpt_stream_read_available(ep_rx) < (uint32_t)pkt_words * 4) break;
+
+ tu_edpt_stream_read(ep_rx, &words[total_read], pkt_words * 4);
+ total_read += pkt_words;
+ }
+
+ return total_read;
+}
+
+bool tud_midi2_n_packet_read(uint8_t itf, uint8_t packet[4]) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2, false);
+ midi2d_interface_t* p_midi = &_midi2d_itf[itf];
+ return 4 == tu_edpt_stream_read(&p_midi->ep_stream.rx, packet, 4);
+}
+
+//--------------------------------------------------------------------+
+// WRITE API
+//--------------------------------------------------------------------+
+uint32_t tud_midi2_n_ump_write(uint8_t itf, const uint32_t* words, uint32_t count) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2 && words != NULL && count > 0, 0);
+ midi2d_interface_t* p_midi = &_midi2d_itf[itf];
+ tu_edpt_stream_t* ep_tx = &p_midi->ep_stream.tx;
+ TU_VERIFY(tu_edpt_stream_is_opened(ep_tx), 0);
+
+ uint32_t written = 0;
+ while (written < count) {
+ uint8_t mt = (uint8_t)((words[written] >> 28) & 0x0F);
+ uint8_t pkt_words = midi2_ump_word_count(mt);
+
+ if (written + pkt_words > count) break;
+ if (tu_edpt_stream_write_available(ep_tx) < pkt_words * 4) break;
+
+ tu_edpt_stream_write(ep_tx, &words[written], pkt_words * 4);
+ written += pkt_words;
+ }
+
+ (void) tu_edpt_stream_write_xfer(ep_tx);
+ return written;
+}
+
+bool tud_midi2_n_packet_write(uint8_t itf, const uint8_t packet[4]) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2, false);
+ midi2d_interface_t* p_midi = &_midi2d_itf[itf];
+ tu_edpt_stream_t* ep_tx = &p_midi->ep_stream.tx;
+ TU_VERIFY(tu_edpt_stream_is_opened(ep_tx), false);
+ TU_VERIFY(tu_edpt_stream_write_available(ep_tx) >= 4, false);
+ TU_VERIFY(tu_edpt_stream_write(ep_tx, packet, 4) > 0, false);
+ (void) tu_edpt_stream_write_xfer(ep_tx);
+ return true;
+}
+
+//--------------------------------------------------------------------+
+// STATE GETTERS
+//--------------------------------------------------------------------+
+uint8_t tud_midi2_n_alt_setting(uint8_t itf) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2, 0);
+ return _midi2d_itf[itf].alt_setting;
+}
+
+bool tud_midi2_n_negotiated(uint8_t itf) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2, false);
+ return _midi2d_itf[itf].negotiated;
+}
+
+uint8_t tud_midi2_n_protocol(uint8_t itf) {
+ TU_VERIFY(itf < CFG_TUD_MIDI2, 0);
+ return _midi2d_itf[itf].protocol;
+}
+
+//--------------------------------------------------------------------+
+// USBD Driver API
+//--------------------------------------------------------------------+
+void midi2d_init(void) {
+ tu_memclr(_midi2d_itf, sizeof(_midi2d_itf));
+ for (uint8_t i = 0; i < CFG_TUD_MIDI2; i++) {
+ midi2d_interface_t* p_midi = &_midi2d_itf[i];
+ p_midi->protocol = MIDI_PROTOCOL_MIDI2;
+
+ #if CFG_TUD_EDPT_DEDICATED_HWFIFO
+ uint8_t* epout_buf = NULL;
+ uint8_t* epin_buf = NULL;
+ #else
+ midi2d_epbuf_t* p_epbuf = &_midi2d_epbuf[i];
+ uint8_t* epout_buf = p_epbuf->epout;
+ uint8_t* epin_buf = p_epbuf->epin;
+ #endif
+
+ tu_edpt_stream_init(&p_midi->ep_stream.rx, false, false, false,
+ p_midi->ep_stream.rx_ff_buf, CFG_TUD_MIDI2_RX_BUFSIZE, epout_buf);
+ tu_edpt_stream_init(&p_midi->ep_stream.tx, false, true, false,
+ p_midi->ep_stream.tx_ff_buf, CFG_TUD_MIDI2_TX_BUFSIZE, epin_buf);
+ }
+}
+
+bool midi2d_deinit(void) {
+ for (uint8_t i = 0; i < CFG_TUD_MIDI2; i++) {
+ midi2d_interface_t* p_midi = &_midi2d_itf[i];
+ tu_edpt_stream_deinit(&p_midi->ep_stream.rx);
+ tu_edpt_stream_deinit(&p_midi->ep_stream.tx);
+ }
+ return true;
+}
+
+void midi2d_reset(uint8_t rhport) {
+ (void) rhport;
+ for (uint8_t i = 0; i < CFG_TUD_MIDI2; i++) {
+ midi2d_interface_t* p_midi = &_midi2d_itf[i];
+ tu_memclr(p_midi, ITF_MEM_RESET_SIZE);
+
+ tu_edpt_stream_clear(&p_midi->ep_stream.rx);
+ tu_edpt_stream_close(&p_midi->ep_stream.rx);
+
+ tu_edpt_stream_clear(&p_midi->ep_stream.tx);
+ tu_edpt_stream_close(&p_midi->ep_stream.tx);
+ }
+}
+
+TU_ATTR_ALWAYS_INLINE static inline uint8_t find_midi2_itf(uint8_t ep_addr) {
+ for (uint8_t idx = 0; idx < CFG_TUD_MIDI2; idx++) {
+ const midi2d_interface_t* p_midi = &_midi2d_itf[idx];
+ if (ep_addr == p_midi->ep_stream.rx.ep_addr || ep_addr == p_midi->ep_stream.tx.ep_addr) {
+ return idx;
+ }
+ }
+ return TUSB_INDEX_INVALID_8;
+}
+
+static uint8_t find_midi2_itf_by_num(uint8_t itf_num) {
+ for (uint8_t idx = 0; idx < CFG_TUD_MIDI2; idx++) {
+ if (_midi2d_itf[idx].itf_num == itf_num) return idx;
+ }
+ return TUSB_INDEX_INVALID_8;
+}
+
+uint16_t midi2d_open(uint8_t rhport, const tusb_desc_interface_t* desc_itf, uint16_t max_len) {
+ const uint8_t* p_desc = (const uint8_t*) desc_itf;
+ const uint8_t* desc_end = p_desc + max_len;
+
+ // 1st Interface: Audio Control v1 (optional)
+ if (TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass &&
+ AUDIO_SUBCLASS_CONTROL == desc_itf->bInterfaceSubClass &&
+ AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_itf->bInterfaceProtocol) {
+ p_desc = tu_desc_next(desc_itf);
+ while (tu_desc_in_bounds(p_desc, desc_end) && TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc)) {
+ p_desc = tu_desc_next(p_desc);
+ }
+ }
+
+ // 2nd Interface: MIDI Streaming
+ TU_VERIFY(TUSB_DESC_INTERFACE == tu_desc_type(p_desc), 0);
+ const tusb_desc_interface_t* desc_midi = (const tusb_desc_interface_t*) p_desc;
+
+ TU_VERIFY(TUSB_CLASS_AUDIO == desc_midi->bInterfaceClass &&
+ AUDIO_SUBCLASS_MIDI_STREAMING == desc_midi->bInterfaceSubClass &&
+ AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_midi->bInterfaceProtocol,
+ 0);
+
+ uint8_t idx = find_midi2_itf(0);
+ TU_ASSERT(idx < CFG_TUD_MIDI2, 0);
+ midi2d_interface_t* p_midi = &_midi2d_itf[idx];
+
+ p_midi->rhport = rhport;
+ p_midi->itf_num = desc_midi->bInterfaceNumber;
+ p_midi->alt_setting = 0;
+ p_midi->protocol = MIDI_PROTOCOL_MIDI2;
+ p_midi->negotiated = false;
+
+ p_desc = tu_desc_next(p_desc);
+
+ // Skip class-specific descriptors
+ while (tu_desc_in_bounds(p_desc, desc_end) && TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc)) {
+ p_desc = tu_desc_next(p_desc);
+ }
+
+ // Find and open endpoint descriptors
+ uint8_t found_ep = 0;
+ while ((found_ep < desc_midi->bNumEndpoints) && tu_desc_in_bounds(p_desc, desc_end)) {
+ if (TUSB_DESC_ENDPOINT == tu_desc_type(p_desc)) {
+ const tusb_desc_endpoint_t* desc_ep = (const tusb_desc_endpoint_t*) p_desc;
+ TU_ASSERT(usbd_edpt_open(rhport, desc_ep), 0);
+ const uint8_t ep_addr = desc_ep->bEndpointAddress;
+
+ if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN) {
+ tu_edpt_stream_open(&p_midi->ep_stream.tx, rhport, desc_ep, CFG_TUD_MIDI2_TX_EPSIZE);
+ tu_edpt_stream_clear(&p_midi->ep_stream.tx);
+ } else {
+ tu_edpt_stream_open(&p_midi->ep_stream.rx, rhport, desc_ep, tu_edpt_packet_size(desc_ep));
+ tu_edpt_stream_clear(&p_midi->ep_stream.rx);
+ TU_ASSERT(tu_edpt_stream_read_xfer(&p_midi->ep_stream.rx) > 0, 0);
+ }
+
+ found_ep++;
+ }
+
+ p_desc = tu_desc_next(p_desc);
+ }
+
+ // Skip remaining descriptors (alt setting 1, CS endpoints, GTB)
+ while (tu_desc_in_bounds(p_desc, desc_end)) {
+ uint8_t dtype = tu_desc_type(p_desc);
+ if (dtype != TUSB_DESC_CS_INTERFACE && dtype != TUSB_DESC_CS_ENDPOINT &&
+ dtype != TUSB_DESC_INTERFACE && dtype != TUSB_DESC_ENDPOINT) {
+ break;
+ }
+ p_desc = tu_desc_next(p_desc);
+ }
+
+ return (uint16_t)(p_desc - (const uint8_t*) desc_itf);
+}
+
+bool midi2d_control_xfer_cb(uint8_t rhport, uint8_t stage, const tusb_control_request_t* request) {
+ TU_LOG2("MIDI2 ctrl: stage=%u bRequest=0x%02X wValue=0x%04X wIndex=0x%04X wLength=%u\r\n",
+ stage, request->bRequest, request->wValue, request->wIndex, request->wLength);
+
+ if (stage != CONTROL_STAGE_SETUP) return true;
+
+ switch (request->bRequest) {
+ case TUSB_REQ_SET_INTERFACE: {
+ uint8_t itf_num = tu_u16_low(request->wIndex);
+ uint8_t alt = tu_u16_low(request->wValue);
+
+ uint8_t idx = find_midi2_itf_by_num(itf_num);
+ if (idx >= CFG_TUD_MIDI2) return false;
+
+ midi2d_interface_t* p_midi = &_midi2d_itf[idx];
+ p_midi->alt_setting = alt;
+
+ tu_edpt_stream_clear(&p_midi->ep_stream.rx);
+ tu_edpt_stream_clear(&p_midi->ep_stream.tx);
+
+ if (alt == 1) {
+ p_midi->negotiated = false;
+ p_midi->protocol = MIDI_PROTOCOL_MIDI2;
+ }
+
+ // Re-arm RX endpoint for receiving data after alt setting change
+ tu_edpt_stream_read_xfer(&p_midi->ep_stream.rx);
+
+ tud_midi2_set_itf_cb(idx, alt);
+ tud_control_status(rhport, request);
+ return true;
+ }
+
+ case TUSB_REQ_GET_DESCRIPTOR: {
+ // wValue: descriptor type (high) | index (low)
+ // 0x26 = CS_GRP_TRM_BLOCK, index 0x01
+ if (request->wValue == ((uint16_t)MIDI2_CS_GRP_TRM_BLOCK << 8 | 0x01)) {
+ if (tud_midi2_get_req_itf_cb(rhport, request)) return true;
+
+ uint16_t len = request->wLength;
+ if (len > sizeof(_default_gtb_desc)) {
+ len = sizeof(_default_gtb_desc);
+ }
+ tud_control_xfer(rhport, request, (void*)(uintptr_t) _default_gtb_desc, len);
+ return true;
+ }
+ return false;
+ }
+
+ default:
+ return false;
+ }
+}
+
+bool midi2d_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) {
+ (void) rhport;
+
+ uint8_t idx = find_midi2_itf(ep_addr);
+ TU_ASSERT(idx < CFG_TUD_MIDI2);
+ midi2d_interface_t* p_midi = &_midi2d_itf[idx];
+
+ tu_edpt_stream_t* ep_rx = &p_midi->ep_stream.rx;
+ tu_edpt_stream_t* ep_tx = &p_midi->ep_stream.tx;
+
+ if (ep_addr == ep_rx->ep_addr) {
+ if (result == XFER_RESULT_SUCCESS) {
+ tu_edpt_stream_read_xfer_complete(ep_rx, xferred_bytes);
+ if (p_midi->alt_setting == 1) {
+ _nego_process_rx(p_midi);
+ }
+ tud_midi2_rx_cb(idx);
+ }
+ tu_edpt_stream_read_xfer(ep_rx);
+ } else if (ep_addr == ep_tx->ep_addr && result == XFER_RESULT_SUCCESS) {
+ if (0 == tu_edpt_stream_write_xfer(ep_tx)) {
+ (void) tu_edpt_stream_write_zlp_if_needed(ep_tx, xferred_bytes);
+ }
+ } else {
+ return false;
+ }
+
+ return true;
+}
+
+#endif
diff --git a/src/class/midi/midi2_device.h b/src/class/midi/midi2_device.h
new file mode 100644
index 000000000..dac1f0124
--- /dev/null
+++ b/src/class/midi/midi2_device.h
@@ -0,0 +1,125 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2026 Saulo Verissimo
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef TUSB_MIDI2_DEVICE_H_
+#define TUSB_MIDI2_DEVICE_H_
+
+#include "class/audio/audio.h"
+#include "midi.h"
+
+//--------------------------------------------------------------------+
+// Class Driver Configuration
+//--------------------------------------------------------------------+
+
+// Config defaults are in tusb_option.h:
+// CFG_TUD_MIDI2_RX_EPSIZE, CFG_TUD_MIDI2_TX_EPSIZE,
+// CFG_TUD_MIDI2_RX_BUFSIZE, CFG_TUD_MIDI2_TX_BUFSIZE,
+// CFG_TUD_MIDI2_NUM_GROUPS, CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS,
+// CFG_TUD_MIDI2_EP_NAME, CFG_TUD_MIDI2_PRODUCT_ID
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//--------------------------------------------------------------------+
+// Application Callback API (weak, optional)
+//--------------------------------------------------------------------+
+void tud_midi2_rx_cb(uint8_t itf);
+void tud_midi2_set_itf_cb(uint8_t itf, uint8_t alt);
+bool tud_midi2_get_req_itf_cb(uint8_t rhport, const tusb_control_request_t* request);
+
+//--------------------------------------------------------------------+
+// Application API (Multiple Interfaces)
+//--------------------------------------------------------------------+
+
+bool tud_midi2_n_mounted(uint8_t itf);
+uint32_t tud_midi2_n_available(uint8_t itf);
+uint8_t tud_midi2_n_alt_setting(uint8_t itf);
+bool tud_midi2_n_negotiated(uint8_t itf);
+uint8_t tud_midi2_n_protocol(uint8_t itf);
+
+uint32_t tud_midi2_n_ump_read(uint8_t itf, uint32_t* words, uint32_t max_words);
+uint32_t tud_midi2_n_ump_write(uint8_t itf, const uint32_t* words, uint32_t count);
+
+bool tud_midi2_n_packet_read(uint8_t itf, uint8_t packet[4]);
+bool tud_midi2_n_packet_write(uint8_t itf, const uint8_t packet[4]);
+
+//--------------------------------------------------------------------+
+// Application API (Single Interface)
+//--------------------------------------------------------------------+
+TU_ATTR_ALWAYS_INLINE static inline bool tud_midi2_mounted(void) {
+ return tud_midi2_n_mounted(0);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_midi2_available(void) {
+ return tud_midi2_n_available(0);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline uint8_t tud_midi2_alt_setting(void) {
+ return tud_midi2_n_alt_setting(0);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline bool tud_midi2_negotiated(void) {
+ return tud_midi2_n_negotiated(0);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline uint8_t tud_midi2_protocol(void) {
+ return tud_midi2_n_protocol(0);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline uint32_t
+tud_midi2_ump_read(uint32_t* words, uint32_t max_words) {
+ return tud_midi2_n_ump_read(0, words, max_words);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline uint32_t
+tud_midi2_ump_write(const uint32_t* words, uint32_t count) {
+ return tud_midi2_n_ump_write(0, words, count);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline bool tud_midi2_packet_read(uint8_t packet[4]) {
+ return tud_midi2_n_packet_read(0, packet);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline bool tud_midi2_packet_write(const uint8_t packet[4]) {
+ return tud_midi2_n_packet_write(0, packet);
+}
+
+//--------------------------------------------------------------------+
+// Internal Class Driver API
+//--------------------------------------------------------------------+
+void midi2d_init(void);
+bool midi2d_deinit(void);
+void midi2d_reset(uint8_t rhport);
+uint16_t midi2d_open(uint8_t rhport, const tusb_desc_interface_t* itf_desc, uint16_t max_len);
+bool midi2d_control_xfer_cb(uint8_t rhport, uint8_t stage, const tusb_control_request_t* request);
+bool midi2d_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/device/usbd.c b/src/device/usbd.c
index 0e58f70bf..55ad330c1 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -254,6 +254,20 @@ static const usbd_class_driver_t _usbd_driver[] = {
},
#endif
+ #if CFG_TUD_MIDI2
+ {
+ .name = DRIVER_NAME("MIDI2"),
+ .init = midi2d_init,
+ .deinit = midi2d_deinit,
+ .open = midi2d_open,
+ .reset = midi2d_reset,
+ .control_xfer_cb = midi2d_control_xfer_cb,
+ .xfer_cb = midi2d_xfer_cb,
+ .xfer_isr = NULL,
+ .sof = NULL
+ },
+ #endif
+
#if CFG_TUD_VENDOR
{
.name = DRIVER_NAME("VENDOR"),
diff --git a/src/device/usbd.h b/src/device/usbd.h
index 473e697ac..af37eff56 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)
+#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, _stridx,\
+ /* MS Header (MIDI 2.0) */\
+ 7, TUSB_DESC_CS_INTERFACE, MIDI_CS_INTERFACE_HEADER, U16_TO_U8S_LE(0x0200), U16_TO_U8S_LE(7)
+
+// Alt Setting 1: Standard USB Endpoint (7 bytes) + CS Endpoint (subtype 0x02)
+#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
+
+// 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 = 1 */\
+ TUD_MIDI2_DESC_ALT1_EP(_epin, _epsize, 1),\
+ 1 /* bAssoGrpTrmBlkID = 1 */
+
+//--------------------------------------------------------------------+
// Audio Descriptor Templates
//--------------------------------------------------------------------+
diff --git a/src/tusb.h b/src/tusb.h
index c80c8433c..aa6b461e5 100644
--- a/src/tusb.h
+++ b/src/tusb.h
@@ -63,6 +63,10 @@
#include "class/midi/midi_host.h"
#endif
+ #if CFG_TUH_MIDI2
+ #include "class/midi/midi2_host.h"
+ #endif
+
#if CFG_TUH_VENDOR
#include "class/vendor/vendor_host.h"
#endif
@@ -108,6 +112,10 @@
#include "class/midi/midi_device.h"
#endif
+ #if CFG_TUD_MIDI2
+ #include "class/midi/midi2_device.h"
+ #endif
+
#if CFG_TUD_VENDOR
#include "class/vendor/vendor_device.h"
#endif
diff --git a/src/tusb_option.h b/src/tusb_option.h
index 154f8e2a4..4483c2200 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -646,6 +646,42 @@
#define CFG_TUD_MIDI 0
#endif
+#ifndef CFG_TUD_MIDI2
+ #define CFG_TUD_MIDI2 0
+#endif
+
+#ifndef CFG_TUD_MIDI2_TX_BUFSIZE
+ #define CFG_TUD_MIDI2_TX_BUFSIZE 256
+#endif
+
+#ifndef CFG_TUD_MIDI2_RX_BUFSIZE
+ #define CFG_TUD_MIDI2_RX_BUFSIZE 256
+#endif
+
+#ifndef CFG_TUD_MIDI2_TX_EPSIZE
+ #define CFG_TUD_MIDI2_TX_EPSIZE 64
+#endif
+
+#ifndef CFG_TUD_MIDI2_RX_EPSIZE
+ #define CFG_TUD_MIDI2_RX_EPSIZE 64
+#endif
+
+#ifndef CFG_TUD_MIDI2_NUM_GROUPS
+ #define CFG_TUD_MIDI2_NUM_GROUPS 1
+#endif
+
+#ifndef CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS
+ #define CFG_TUD_MIDI2_NUM_FUNCTION_BLOCKS 1
+#endif
+
+#ifndef CFG_TUD_MIDI2_EP_NAME
+ #define CFG_TUD_MIDI2_EP_NAME "TinyUSB MIDI 2.0"
+#endif
+
+#ifndef CFG_TUD_MIDI2_PRODUCT_ID
+ #define CFG_TUD_MIDI2_PRODUCT_ID "TinyUSB-MIDI2"
+#endif
+
#ifndef CFG_TUD_VENDOR
#define CFG_TUD_VENDOR 0
#endif
@@ -815,6 +851,22 @@
#define CFG_TUH_MIDI 0
#endif
+#ifndef CFG_TUH_MIDI2
+ #define CFG_TUH_MIDI2 0
+#endif
+
+#ifndef CFG_TUH_MIDI2_RX_BUFSIZE
+ #define CFG_TUH_MIDI2_RX_BUFSIZE (4 * TUH_EPSIZE_BULK_MAX)
+#endif
+
+#ifndef CFG_TUH_MIDI2_TX_BUFSIZE
+ #define CFG_TUH_MIDI2_TX_BUFSIZE (4 * TUH_EPSIZE_BULK_MAX)
+#endif
+
+#ifndef CFG_TUH_MIDI2_LOG_LEVEL
+ #define CFG_TUH_MIDI2_LOG_LEVEL CFG_TUH_LOG_LEVEL
+#endif
+
#ifndef CFG_TUH_MSC
#define CFG_TUH_MSC 0
#endif