diff options
Diffstat (limited to 'circuitpython/shared-bindings/usb_midi/__init__.c')
-rw-r--r-- | circuitpython/shared-bindings/usb_midi/__init__.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/usb_midi/__init__.c b/circuitpython/shared-bindings/usb_midi/__init__.c new file mode 100644 index 0000000..ec065d1 --- /dev/null +++ b/circuitpython/shared-bindings/usb_midi/__init__.c @@ -0,0 +1,98 @@ +/* + * 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); |