f28f8ba568
This was done to allow greatly granularity when deciding what functionality is built into each board's build. For example, this way pulseio can be omitted to allow for something else such as touchio.
140 lines
4.7 KiB
C
140 lines
4.7 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) 2013, 2014 Damien P. George
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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 <string.h>
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#include "lib/utils/context_manager_helpers.h"
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#include "py/binary.h"
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#include "py/mphal.h"
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#include "py/nlr.h"
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#include "py/objproperty.h"
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#include "py/runtime.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-bindings/touchio/TouchIn.h"
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//| .. currentmodule:: touchio
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//|
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//| :class:`TouchIn` -- Read the state of a capacitive touch sensor
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//| ===================================================================
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//|
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//| Usage::
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//|
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//| import touchio
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//| from board import *
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//|
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//| with touchio.TouchIn(A1) as touch:
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//| if touch.value:
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//| print("touched!")
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//|
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//| .. class:: TouchIn(pin)
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//|
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//| Use the TouchIn on the given pin.
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//|
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//| :param ~microcontroller.Pin pin: the pin to read from
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//|
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STATIC mp_obj_t touchio_touchin_make_new(const mp_obj_type_t *type,
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mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
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// check number of arguments
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mp_arg_check_num(n_args, n_kw, 1, 1, false);
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// 1st argument is the pin
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mp_obj_t pin_obj = args[0];
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assert_pin(pin_obj, false);
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touchio_touchin_obj_t *self = m_new_obj(touchio_touchin_obj_t);
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self->base.type = &touchio_touchin_type;
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const mcu_pin_obj_t *pin = MP_OBJ_TO_PTR(pin_obj);
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common_hal_touchio_touchin_construct(self, pin);
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return (mp_obj_t) self;
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}
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//| .. method:: deinit()
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//|
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//| Deinitialises the TouchIn and releases any hardware resources for reuse.
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//|
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STATIC mp_obj_t touchio_touchin_deinit(mp_obj_t self_in) {
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touchio_touchin_obj_t *self = MP_OBJ_TO_PTR(self_in);
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common_hal_touchio_touchin_deinit(self);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(touchio_touchin_deinit_obj, touchio_touchin_deinit);
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//| .. method:: __enter__()
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//|
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//| No-op used by Context Managers.
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//|
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// Provided by context manager helper.
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//| .. method:: __exit__()
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//|
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//| Automatically deinitializes the hardware when exiting a context.
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//|
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STATIC mp_obj_t touchio_touchin_obj___exit__(size_t n_args, const mp_obj_t *args) {
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(void)n_args;
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common_hal_touchio_touchin_deinit(args[0]);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(touchio_touchin___exit___obj, 4, 4, touchio_touchin_obj___exit__);
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//| .. attribute:: value
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//|
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//| Whether the touch pad is being touched or not.
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//|
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//| :return: True when touched, False otherwise.
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//| :rtype: bool
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//|
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STATIC mp_obj_t touchio_touchin_obj_get_value(mp_obj_t self_in) {
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touchio_touchin_obj_t *self = MP_OBJ_TO_PTR(self_in);
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return mp_obj_new_bool(common_hal_touchio_touchin_get_value(self));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(touchio_touchin_get_value_obj, touchio_touchin_obj_get_value);
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const mp_obj_property_t touchio_touchin_value_obj = {
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.base.type = &mp_type_property,
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.proxy = {(mp_obj_t)&touchio_touchin_get_value_obj,
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(mp_obj_t)&mp_const_none_obj,
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(mp_obj_t)&mp_const_none_obj},
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};
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STATIC const mp_rom_map_elem_t touchio_touchin_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
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{ MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&touchio_touchin___exit___obj) },
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{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&touchio_touchin_deinit_obj) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_value), MP_ROM_PTR(&touchio_touchin_value_obj)},
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};
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STATIC MP_DEFINE_CONST_DICT(touchio_touchin_locals_dict, touchio_touchin_locals_dict_table);
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const mp_obj_type_t touchio_touchin_type = {
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{ &mp_type_type },
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.name = MP_QSTR_TouchIn,
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.make_new = touchio_touchin_make_new,
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.locals_dict = (mp_obj_t)&touchio_touchin_locals_dict,
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};
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