79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "shared-bindings/digitalio/Pull.h"
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//| .. currentmodule:: digitalio
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//|
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//| :class:`Pull` -- defines the pull of a digital input pin
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//| =============================================================
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//|
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//| .. class:: digitalio.Pull
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//|
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//| Enum-like class to define the pull value, if any, used while reading
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//| digital values in.
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//|
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//| .. data:: UP
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//|
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//| When the input line isn't being driven the pull up can pull the state
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//| of the line high so it reads as true.
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//|
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//| .. data:: DOWN
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//|
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//| When the input line isn't being driven the pull down can pull the
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//| state of the line low so it reads as false.
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//|
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const mp_obj_type_t digitalio_pull_type;
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const digitalio_pull_obj_t digitalio_pull_up_obj = {
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{ &digitalio_pull_type },
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};
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const digitalio_pull_obj_t digitalio_pull_down_obj = {
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{ &digitalio_pull_type },
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};
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STATIC const mp_rom_map_elem_t digitalio_pull_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_UP), MP_ROM_PTR(&digitalio_pull_up_obj) },
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{ MP_ROM_QSTR(MP_QSTR_DOWN), MP_ROM_PTR(&digitalio_pull_down_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(digitalio_pull_locals_dict, digitalio_pull_locals_dict_table);
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STATIC void digitalio_pull_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
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qstr pull = MP_QSTR_UP;
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if (MP_OBJ_TO_PTR(self_in) == MP_ROM_PTR(&digitalio_pull_down_obj)) {
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pull = MP_QSTR_DOWN;
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}
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mp_printf(print, "%q.%q.%q", MP_QSTR_digitalio, MP_QSTR_Pull, pull);
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}
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const mp_obj_type_t digitalio_pull_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Pull,
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.print = digitalio_pull_print,
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.locals_dict = (mp_obj_t)&digitalio_pull_locals_dict,
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};
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