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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Jeff Epler 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 "shared-bindings/canio/Match.h"
#include "py/objproperty.h"
#include "py/runtime.h"
//| class Match:
//| """Describe CAN bus messages to match"""
//|
//|
//| def __init__(self, id: int, *, mask: Optional[int] = None, extended: bool = False) -> None:
//| """Construct a Match with the given properties.
//|
//| If mask is not None, then the filter is for any id which matches all
//| the nonzero bits in mask. Otherwise, it matches exactly the given id.
//| If extended is true then only extended ids are matched, otherwise
//| only standard ids are matched."""
//|
STATIC mp_obj_t canio_match_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
enum { ARG_id, ARG_mask, ARG_extended, NUM_ARGS };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_id, MP_ARG_INT | MP_ARG_REQUIRED },
{ MP_QSTR_mask, MP_ARG_OBJ, {.u_obj = mp_const_none } },
{ MP_QSTR_extended, MP_ARG_BOOL, {.u_bool = false} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
MP_STATIC_ASSERT(MP_ARRAY_SIZE(allowed_args) == NUM_ARGS);
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
int id_bits = args[ARG_extended].u_bool ? 0x1fffffff : 0x7ff;
int id = args[ARG_id].u_int;
int mask = args[ARG_mask].u_obj == mp_const_none ? id_bits : mp_obj_get_int(args[ARG_mask].u_obj);
if (id & ~id_bits) {
mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_id);
}
if (mask & ~id_bits) {
mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_mask);
}
canio_match_obj_t *self = m_new_obj(canio_match_obj_t);
self->base.type = &canio_match_type;
common_hal_canio_match_construct(self, id, mask, args[ARG_extended].u_bool);
return self;
}
//| id: int
//| """The id to match"""
//|
STATIC mp_obj_t canio_match_id_get(mp_obj_t self_in) {
canio_match_obj_t *self = self_in;
return MP_OBJ_NEW_SMALL_INT(common_hal_canio_match_get_id(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(canio_match_id_get_obj, canio_match_id_get);
MP_PROPERTY_GETTER(canio_match_id_obj,
(mp_obj_t)&canio_match_id_get_obj);
//|
//| mask: int
//| """The optional mask of ids to match"""
//|
STATIC mp_obj_t canio_match_mask_get(mp_obj_t self_in) {
canio_match_obj_t *self = self_in;
return MP_OBJ_NEW_SMALL_INT(common_hal_canio_match_get_mask(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(canio_match_mask_get_obj, canio_match_mask_get);
MP_PROPERTY_GETTER(canio_match_mask_obj,
(mp_obj_t)&canio_match_mask_get_obj);
//| extended: bool
//| """True to match extended ids, False to match standard ides"""
//|
STATIC mp_obj_t canio_match_extended_get(mp_obj_t self_in) {
canio_match_obj_t *self = self_in;
return mp_obj_new_bool(common_hal_canio_match_get_extended(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(canio_match_extended_get_obj, canio_match_extended_get);
MP_PROPERTY_GETTER(canio_match_extended_obj,
(mp_obj_t)&canio_match_extended_get_obj);
STATIC const mp_rom_map_elem_t canio_match_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_id), MP_ROM_PTR(&canio_match_id_obj) },
{ MP_ROM_QSTR(MP_QSTR_mask), MP_ROM_PTR(&canio_match_mask_obj) },
{ MP_ROM_QSTR(MP_QSTR_extended), MP_ROM_PTR(&canio_match_extended_obj) },
};
STATIC MP_DEFINE_CONST_DICT(canio_match_locals_dict, canio_match_locals_dict_table);
const mp_obj_type_t canio_match_type = {
{ &mp_type_type },
.name = MP_QSTR_Match,
.make_new = canio_match_make_new,
.locals_dict = (mp_obj_dict_t *)&canio_match_locals_dict,
};
|
