micropython/ports/esp32/machine_wdt.c

78 wiersze
2.6 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Paul Sokolovsky
* Copyright (c) 2017 Eric Poulsen
*
* 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.
*/
// This file is never compiled standalone, it's included directly from
// extmod/machine_wdt.c via MICROPY_PY_MACHINE_WDT_INCLUDEFILE.
#include "esp_task_wdt.h"
typedef struct _machine_wdt_obj_t {
mp_obj_base_t base;
esp_task_wdt_user_handle_t twdt_user_handle;
} machine_wdt_obj_t;
static machine_wdt_obj_t wdt_default = {
{&machine_wdt_type}, 0
};
static machine_wdt_obj_t *mp_machine_wdt_make_new_instance(mp_int_t id, mp_int_t timeout_ms) {
if (id != 0) {
mp_raise_ValueError(NULL);
}
if (timeout_ms <= 0) {
mp_raise_ValueError(MP_ERROR_TEXT("WDT timeout too short"));
}
esp_task_wdt_config_t config = {
.timeout_ms = timeout_ms,
.idle_core_mask = 0,
.trigger_panic = true,
};
mp_int_t rs_code = esp_task_wdt_reconfigure(&config);
if (rs_code != ESP_OK) {
mp_raise_OSError(rs_code);
}
if (wdt_default.twdt_user_handle == NULL) {
rs_code = esp_task_wdt_add_user("mpy_machine_wdt", &wdt_default.twdt_user_handle);
if (rs_code != ESP_OK) {
mp_raise_OSError(rs_code);
}
}
return &wdt_default;
}
static void mp_machine_wdt_feed(machine_wdt_obj_t *self) {
(void)self;
mp_int_t rs_code = esp_task_wdt_reset_user(wdt_default.twdt_user_handle);
if (rs_code != ESP_OK) {
mp_raise_OSError(rs_code);
}
}