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|
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 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 "py/runtime.h"
#include "shared-bindings/digitalio/Pull.h"
//| class Pull:
//| """Defines the pull of a digital input pin"""
//|
//| def __init__(self) -> None:
//| """Enum-like class to define the pull value, if any, used while reading
//| digital values in."""
//| ...
//|
//| UP: Pull
//| """When the input line isn't being driven the pull up can pull the state
//| of the line high so it reads as true."""
//|
//| DOWN: Pull
//| """When the input line isn't being driven the pull down can pull the
//| state of the line low so it reads as false."""
//|
const mp_obj_type_t digitalio_pull_type;
const digitalio_pull_obj_t digitalio_pull_up_obj = {
{ &digitalio_pull_type },
};
const digitalio_pull_obj_t digitalio_pull_down_obj = {
{ &digitalio_pull_type },
};
STATIC const mp_rom_map_elem_t digitalio_pull_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_UP), MP_ROM_PTR(&digitalio_pull_up_obj) },
{ MP_ROM_QSTR(MP_QSTR_DOWN), MP_ROM_PTR(&digitalio_pull_down_obj) },
};
STATIC MP_DEFINE_CONST_DICT(digitalio_pull_locals_dict, digitalio_pull_locals_dict_table);
STATIC void digitalio_pull_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
qstr pull = MP_QSTR_UP;
if (self_in == MP_ROM_PTR(&digitalio_pull_down_obj)) {
pull = MP_QSTR_DOWN;
}
mp_printf(print, "%q.%q.%q", MP_QSTR_digitalio, MP_QSTR_Pull, pull);
}
const mp_obj_type_t digitalio_pull_type = {
{ &mp_type_type },
.name = MP_QSTR_Pull,
.print = digitalio_pull_print,
.locals_dict = (mp_obj_dict_t *)&digitalio_pull_locals_dict,
};
digitalio_pull_t validate_pull(mp_rom_obj_t obj, qstr arg_name) {
if (obj == MP_ROM_PTR(&digitalio_pull_up_obj)) {
return PULL_UP;
} else if (obj == MP_ROM_PTR(&digitalio_pull_down_obj)) {
return PULL_DOWN;
}
if (obj == MP_ROM_NONE) {
return PULL_NONE;
}
mp_raise_TypeError_varg(translate("%q must be of type %q or None"), arg_name, MP_QSTR_Pull);
}
|
