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+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+
+#include "py/obj.h"
+#include "py/runtime.h"
+
+#include "shared-bindings/usb_midi/__init__.h"
+#include "shared-bindings/usb_midi/PortIn.h"
+#include "shared-bindings/usb_midi/PortOut.h"
+
+#include "py/runtime.h"
+
+//| """MIDI over USB
+//|
+//| The `usb_midi` module contains classes to transmit and receive MIDI messages over USB."""
+//|
+//| ports: Tuple[Union[PortIn, PortOut], ...]
+//| """Tuple of all MIDI ports. Each item is ether `PortIn` or `PortOut`."""
+//|
+
+//| def disable() -> None:
+//| """Disable presenting a USB MIDI device to the host.
+//| The device is normally enabled by default, but on some boards with limited endpoints
+//| including ESP32-S2 and certain STM boards, it is disabled by default.
+//| Can be called in ``boot.py``, before USB is connected."""
+//| ...
+//|
+STATIC mp_obj_t usb_midi_disable(void) {
+ if (!common_hal_usb_midi_disable()) {
+ mp_raise_RuntimeError(translate("Cannot change USB devices now"));
+ }
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_0(usb_midi_disable_obj, usb_midi_disable);
+
+//| def enable() -> None:
+//| """Enable presenting a USB MIDI device to the host.
+//| The device is enabled by default, so you do not normally need to call this function.
+//| Can be called in ``boot.py``, before USB is connected.
+//|
+//| If you enable too many devices at once, you will run out of USB endpoints.
+//| The number of available endpoints varies by microcontroller.
+//| CircuitPython will go into safe mode after running boot.py to inform you if
+//| not enough endpoints are available.
+//| """
+//| ...
+//|
+STATIC mp_obj_t usb_midi_enable(void) {
+ if (!common_hal_usb_midi_enable()) {
+ mp_raise_RuntimeError(translate("Cannot change USB devices now"));
+ }
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_0(usb_midi_enable_obj, usb_midi_enable);
+
+mp_map_elem_t usb_midi_module_globals_table[] = {
+ { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_usb_midi) },
+ { MP_ROM_QSTR(MP_QSTR_disable), MP_OBJ_FROM_PTR(&usb_midi_disable_obj) },
+ { MP_ROM_QSTR(MP_QSTR_enable), MP_OBJ_FROM_PTR(&usb_midi_enable_obj) },
+ { MP_ROM_QSTR(MP_QSTR_ports), mp_const_empty_tuple },
+ { MP_ROM_QSTR(MP_QSTR_PortIn), MP_OBJ_FROM_PTR(&usb_midi_portin_type) },
+ { MP_ROM_QSTR(MP_QSTR_PortOut), MP_OBJ_FROM_PTR(&usb_midi_portout_type) },
+};
+
+// This isn't const so we can set ports dynamically.
+MP_DEFINE_MUTABLE_DICT(usb_midi_module_globals, usb_midi_module_globals_table);
+
+const mp_obj_module_t usb_midi_module = {
+ .base = { &mp_type_module },
+ .globals = (mp_obj_dict_t *)&usb_midi_module_globals,
+};
+
+MP_REGISTER_MODULE(MP_QSTR_usb_midi, usb_midi_module, CIRCUITPY_USB_MIDI);