circuitpython/shared-bindings/watchdog/WatchDogTimer.c

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

157 lines
6.4 KiB
C
Raw Normal View History

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Nick Moore 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 <math.h>
#include <string.h>
#include "py/obj.h"
#include "py/objproperty.h"
#include "py/runtime.h"
#include "common-hal/watchdog/WatchDogTimer.h"
#include "shared-bindings/microcontroller/__init__.h"
#include "shared-bindings/watchdog/__init__.h"
#include "shared-bindings/watchdog/WatchDogTimer.h"
#include "supervisor/port.h"
//| class WatchDogTimer:
//| """Timer that is used to detect code lock ups and automatically reset the microcontroller
2022-09-27 16:21:42 -04:00
//| when one is detected.
//|
2022-09-27 16:21:42 -04:00
//| A lock up is detected when the watchdog hasn't been fed after a given duration. So, make
//| sure to call `feed` within the timeout.
//| """
//|
2020-07-03 14:00:06 -04:00
//| def __init__(self) -> None:
//| """Access the sole instance through `microcontroller.watchdog`."""
//| ...
2020-07-23 14:22:41 -04:00
//| def feed(self) -> None:
//| """Feed the watchdog timer. This must be called regularly, otherwise
//| the timer will expire. Silently does nothing if the watchdog isn't active."""
//| ...
STATIC mp_obj_t watchdog_watchdogtimer_feed(mp_obj_t self_in) {
watchdog_watchdogtimer_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (common_hal_watchdog_get_mode(self) != WATCHDOGMODE_NONE) {
common_hal_watchdog_feed(self);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(watchdog_watchdogtimer_feed_obj, watchdog_watchdogtimer_feed);
2020-07-23 14:22:41 -04:00
//| def deinit(self) -> None:
//| """Stop the watchdog timer.
//|
//| :raises RuntimeError: if the watchdog timer cannot be disabled on this platform.
//|
//| .. note:: This is deprecated in ``9.0.0`` and will be removed in ``10.0.0``.
//| Set watchdog `mode` to `None` instead.
//|
//| """
//| ...
STATIC mp_obj_t watchdog_watchdogtimer_deinit(mp_obj_t self_in) {
watchdog_watchdogtimer_obj_t *self = MP_OBJ_TO_PTR(self_in);
common_hal_watchdog_deinit(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(watchdog_watchdogtimer_deinit_obj, watchdog_watchdogtimer_deinit);
2020-07-25 04:58:37 -04:00
//| timeout: float
//| """The maximum number of seconds that can elapse between calls
//| to `feed()`"""
STATIC mp_obj_t watchdog_watchdogtimer_obj_get_timeout(mp_obj_t self_in) {
watchdog_watchdogtimer_obj_t *self = MP_OBJ_TO_PTR(self_in);
return mp_obj_new_float(common_hal_watchdog_get_timeout(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(watchdog_watchdogtimer_get_timeout_obj, watchdog_watchdogtimer_obj_get_timeout);
STATIC mp_obj_t watchdog_watchdogtimer_obj_set_timeout(mp_obj_t self_in, mp_obj_t timeout_obj) {
watchdog_watchdogtimer_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_float_t timeout = mp_obj_get_float(timeout_obj);
mp_arg_validate_int_min(timeout, 0, MP_QSTR_timeout);
common_hal_watchdog_set_timeout(self, timeout);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(watchdog_watchdogtimer_set_timeout_obj, watchdog_watchdogtimer_obj_set_timeout);
MP_PROPERTY_GETSET(watchdog_watchdogtimer_timeout_obj,
(mp_obj_t)&watchdog_watchdogtimer_get_timeout_obj,
(mp_obj_t)&watchdog_watchdogtimer_set_timeout_obj);
//| mode: Optional[WatchDogMode]
//| """The current operating mode of the WatchDogTimer `watchdog.WatchDogMode` or `None` when
//| the timer is disabled.
//|
//| Setting a `WatchDogMode` activates the WatchDog::
//|
//| from microcontroller import watchdog
//| from watchdog import WatchDogMode
//|
//| watchdog.timeout = 5
//| watchdog.mode = WatchDogMode.RESET
//|
//|
//| Once set, the `WatchDogTimer` will perform the specified action if the timer expires."""
//|
STATIC mp_obj_t watchdog_watchdogtimer_obj_get_mode(mp_obj_t self_in) {
watchdog_watchdogtimer_obj_t *self = MP_OBJ_TO_PTR(self_in);
return cp_enum_find(&watchdog_watchdogmode_type, common_hal_watchdog_get_mode(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(watchdog_watchdogtimer_get_mode_obj, watchdog_watchdogtimer_obj_get_mode);
STATIC mp_obj_t watchdog_watchdogtimer_obj_set_mode(mp_obj_t self_in, mp_obj_t obj) {
watchdog_watchdogtimer_obj_t *self = MP_OBJ_TO_PTR(self_in);
watchdog_watchdogmode_t mode = (obj == mp_const_none) ? WATCHDOGMODE_NONE : cp_enum_value(&watchdog_watchdogmode_type, obj, MP_QSTR_mode);
common_hal_watchdog_set_mode(self, mode);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(watchdog_watchdogtimer_set_mode_obj, watchdog_watchdogtimer_obj_set_mode);
MP_PROPERTY_GETSET(watchdog_watchdogtimer_mode_obj,
(mp_obj_t)&watchdog_watchdogtimer_get_mode_obj,
(mp_obj_t)&watchdog_watchdogtimer_set_mode_obj);
STATIC const mp_rom_map_elem_t watchdog_watchdogtimer_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_feed), MP_ROM_PTR(&watchdog_watchdogtimer_feed_obj) },
{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&watchdog_watchdogtimer_deinit_obj) },
{ MP_ROM_QSTR(MP_QSTR_timeout), MP_ROM_PTR(&watchdog_watchdogtimer_timeout_obj) },
{ MP_ROM_QSTR(MP_QSTR_mode), MP_ROM_PTR(&watchdog_watchdogtimer_mode_obj) },
};
STATIC MP_DEFINE_CONST_DICT(watchdog_watchdogtimer_locals_dict, watchdog_watchdogtimer_locals_dict_table);
2023-09-19 21:09:29 -04:00
MP_DEFINE_CONST_OBJ_TYPE(
watchdog_watchdogtimer_type,
MP_QSTR_WatchDogTimer,
MP_TYPE_FLAG_HAS_SPECIAL_ACCESSORS,
2023-09-19 21:09:29 -04:00
locals_dict, &watchdog_watchdogtimer_locals_dict
);