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https://github.com/licsber/micropython.git
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fbd4e61e57
The machine.WDT() now accepts the "timeout" keyword argument to select the WDT interval. And the WDT is changed to panic mode which means it will reset the device if the interval expires (instead of just printing an error message).
92 lines
3.1 KiB
C
92 lines
3.1 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) 2016 Paul Sokolovsky
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* Copyright (c) 2017 Eric Poulsen
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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 "py/nlr.h"
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "esp_task_wdt.h"
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const mp_obj_type_t machine_wdt_type;
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typedef struct _machine_wdt_obj_t {
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mp_obj_base_t base;
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} machine_wdt_obj_t;
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STATIC machine_wdt_obj_t wdt_default = {{&machine_wdt_type}};
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STATIC mp_obj_t machine_wdt_make_new(const mp_obj_type_t *type_in, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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enum { ARG_id, ARG_timeout };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_id, MP_ARG_INT, {.u_int = 0} },
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{ MP_QSTR_timeout, MP_ARG_INT, {.u_int = 5000} }
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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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if (args[ARG_id].u_int != 0) {
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mp_raise_ValueError(NULL);
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}
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// Convert milliseconds to seconds (esp_task_wdt_init needs seconds)
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args[ARG_timeout].u_int /= 1000;
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if (args[ARG_timeout].u_int <= 0) {
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mp_raise_ValueError("WDT timeout too short");
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}
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mp_int_t rs_code = esp_task_wdt_init(args[ARG_timeout].u_int, true);
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if (rs_code != ESP_OK) {
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mp_raise_OSError(rs_code);
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}
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esp_task_wdt_add(NULL);
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return &wdt_default;
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}
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STATIC mp_obj_t machine_wdt_feed(mp_obj_t self_in) {
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(void)self_in;
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esp_task_wdt_reset();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_wdt_feed_obj, machine_wdt_feed);
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STATIC const mp_rom_map_elem_t machine_wdt_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_feed), MP_ROM_PTR(&machine_wdt_feed_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(machine_wdt_locals_dict, machine_wdt_locals_dict_table);
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const mp_obj_type_t machine_wdt_type = {
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{ &mp_type_type },
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.name = MP_QSTR_WDT,
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.make_new = machine_wdt_make_new,
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.locals_dict = (mp_obj_t)&machine_wdt_locals_dict,
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};
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