127 lines
5.8 KiB
C
127 lines
5.8 KiB
C
/*
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* This file is part of the MicroPython 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) 2020 Dan Halbert 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/board/__init__.h"
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#include "shared-bindings/microcontroller/__init__.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-bindings/alarm/pin/PinAlarm.h"
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#include "py/nlr.h"
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#include "py/obj.h"
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#include "py/objproperty.h"
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#include "py/runtime.h"
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#include "supervisor/shared/translate/translate.h"
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//| class PinAlarm:
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//| """Trigger an alarm when a pin changes state."""
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//|
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//| def __init__(
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//| self, pin: microcontroller.Pin, value: bool, edge: bool = False, pull: bool = False
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//| ) -> None:
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//| """Create an alarm triggered by a `microcontroller.Pin` level. The alarm is not active
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//| until it is passed to an `alarm`-enabling function, such as `alarm.light_sleep_until_alarms()` or
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//| `alarm.exit_and_deep_sleep_until_alarms()`.
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//|
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//| :param microcontroller.Pin pin: The pin to monitor. On some ports, the choice of pin
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//| may be limited due to hardware restrictions, particularly for deep-sleep alarms.
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//| :param bool value: When active, trigger when the pin value is high (``True``) or low (``False``).
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//| On some ports, multiple `PinAlarm` objects may need to have coordinated values
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//| for deep-sleep alarms.
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//| :param bool edge: If ``True``, trigger only when there is a transition to the specified
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//| value of ``value``. If ``True``, if the alarm becomes active when the pin value already
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//| matches ``value``, the alarm is not triggered: the pin must transition from ``not value``
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//| to ``value`` to trigger the alarm. On some ports, edge-triggering may not be available,
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//| particularly for deep-sleep alarms.
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//| :param bool pull: Enable a pull-up or pull-down which pulls the pin to the level opposite
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//| that of ``value``. For instance, if ``value`` is set to ``True``, setting ``pull``
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//| to ``True`` will enable a pull-down, to hold the pin low normally until an outside signal
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//| pulls it high.
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//| """
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//| ...
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STATIC mp_obj_t alarm_pin_pinalarm_make_new(const mp_obj_type_t *type, mp_uint_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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alarm_pin_pinalarm_obj_t *self = mp_obj_malloc(alarm_pin_pinalarm_obj_t, &alarm_pin_pinalarm_type);
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enum { ARG_pin, ARG_value, ARG_edge, ARG_pull };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_pin, MP_ARG_REQUIRED | MP_ARG_OBJ },
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{ MP_QSTR_value, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_BOOL },
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{ MP_QSTR_edge, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} },
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{ MP_QSTR_pull, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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const mcu_pin_obj_t *pin = validate_obj_is_free_pin(args[ARG_pin].u_obj, MP_QSTR_pin);
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common_hal_alarm_pin_pinalarm_construct(self,
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pin,
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args[ARG_value].u_bool,
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args[ARG_edge].u_bool,
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args[ARG_pull].u_bool);
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return MP_OBJ_FROM_PTR(self);
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}
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//| pin: microcontroller.Pin
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//| """The trigger pin."""
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STATIC mp_obj_t alarm_pin_pinalarm_obj_get_pin(mp_obj_t self_in) {
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alarm_pin_pinalarm_obj_t *self = MP_OBJ_TO_PTR(self_in);
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const mcu_pin_obj_t *pin = common_hal_alarm_pin_pinalarm_get_pin(self);
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if (pin == NULL) {
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return mp_const_none;
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}
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return MP_OBJ_FROM_PTR(pin);
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}
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MP_DEFINE_CONST_FUN_OBJ_1(alarm_pin_pinalarm_get_pin_obj, alarm_pin_pinalarm_obj_get_pin);
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MP_PROPERTY_GETTER(alarm_pin_pinalarm_pin_obj,
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(mp_obj_t)&alarm_pin_pinalarm_get_pin_obj);
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//| value: bool
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//| """The value on which to trigger."""
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//|
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STATIC mp_obj_t alarm_pin_pinalarm_obj_get_value(mp_obj_t self_in) {
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alarm_pin_pinalarm_obj_t *self = MP_OBJ_TO_PTR(self_in);
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return mp_obj_new_bool(common_hal_alarm_pin_pinalarm_get_value(self));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(alarm_pin_pinalarm_get_value_obj, alarm_pin_pinalarm_obj_get_value);
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MP_PROPERTY_GETTER(alarm_pin_pinalarm_value_obj,
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(mp_obj_t)&alarm_pin_pinalarm_get_value_obj);
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STATIC const mp_rom_map_elem_t alarm_pin_pinalarm_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_pin), MP_ROM_PTR(&alarm_pin_pinalarm_pin_obj) },
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{ MP_ROM_QSTR(MP_QSTR_value), MP_ROM_PTR(&alarm_pin_pinalarm_value_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(alarm_pin_pinalarm_locals_dict, alarm_pin_pinalarm_locals_dict_table);
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const mp_obj_type_t alarm_pin_pinalarm_type = {
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{ &mp_type_type },
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.name = MP_QSTR_PinAlarm,
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.make_new = alarm_pin_pinalarm_make_new,
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.locals_dict = (mp_obj_t)&alarm_pin_pinalarm_locals_dict,
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};
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