103 lines
3.6 KiB
C
103 lines
3.6 KiB
C
/*
|
|
* This file is part of the Micro Python 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 "shared-bindings/usb_midi/PortOut.h"
|
|
#include "shared-bindings/util.h"
|
|
|
|
#include "py/ioctl.h"
|
|
#include "py/objproperty.h"
|
|
#include "py/runtime.h"
|
|
#include "py/stream.h"
|
|
#include "supervisor/shared/translate.h"
|
|
|
|
//| class PortOut:
|
|
//| """Sends midi messages to a computer over USB"""
|
|
//|
|
|
//| def __init__(self, ):
|
|
//| """You cannot create an instance of `usb_midi.PortOut`.
|
|
//|
|
|
//| PortOut objects are constructed for every corresponding entry in the USB
|
|
//| descriptor and added to the ``usb_midi.ports`` tuple."""
|
|
//|
|
|
|
|
// These are standard stream methods. Code is in py/stream.c.
|
|
//
|
|
//| def write(self, buf: Any) -> Any:
|
|
//| """Write the buffer of bytes to the bus.
|
|
//|
|
|
//| :return: the number of bytes written
|
|
//| :rtype: int or None"""
|
|
//| ...
|
|
//|
|
|
|
|
STATIC mp_uint_t usb_midi_portout_write(mp_obj_t self_in, const void *buf_in, mp_uint_t size, int *errcode) {
|
|
usb_midi_portout_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
|
const byte *buf = buf_in;
|
|
|
|
return common_hal_usb_midi_portout_write(self, buf, size, errcode);
|
|
}
|
|
|
|
STATIC mp_uint_t usb_midi_portout_ioctl(mp_obj_t self_in, mp_uint_t request, mp_uint_t arg, int *errcode) {
|
|
usb_midi_portout_obj_t *self = MP_OBJ_TO_PTR(self_in);
|
|
mp_uint_t ret;
|
|
if (request == MP_IOCTL_POLL) {
|
|
mp_uint_t flags = arg;
|
|
ret = 0;
|
|
if ((flags & MP_IOCTL_POLL_WR) && common_hal_usb_midi_portout_ready_to_tx(self)) {
|
|
ret |= MP_IOCTL_POLL_WR;
|
|
}
|
|
} else {
|
|
*errcode = MP_EINVAL;
|
|
ret = MP_STREAM_ERROR;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
STATIC const mp_rom_map_elem_t usb_midi_portout_locals_dict_table[] = {
|
|
// Standard stream methods.
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_write), MP_ROM_PTR(&mp_stream_write_obj) },
|
|
};
|
|
STATIC MP_DEFINE_CONST_DICT(usb_midi_portout_locals_dict, usb_midi_portout_locals_dict_table);
|
|
|
|
STATIC const mp_stream_p_t usb_midi_portout_stream_p = {
|
|
MP_PROTO_IMPLEMENT(MP_QSTR_protocol_stream)
|
|
.read = NULL,
|
|
.write = usb_midi_portout_write,
|
|
.ioctl = usb_midi_portout_ioctl,
|
|
.is_text = false,
|
|
};
|
|
|
|
const mp_obj_type_t usb_midi_portout_type = {
|
|
{ &mp_type_type },
|
|
.name = MP_QSTR_PortOut,
|
|
.getiter = mp_identity_getiter,
|
|
.iternext = mp_stream_unbuffered_iter,
|
|
.protocol = &usb_midi_portout_stream_p,
|
|
.locals_dict = (mp_obj_dict_t*)&usb_midi_portout_locals_dict,
|
|
};
|