93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020 microDev
|
|
*
|
|
* 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 "py/runtime.h"
|
|
|
|
#include "shared-bindings/watchdog/__init__.h"
|
|
#include "shared-bindings/microcontroller/__init__.h"
|
|
|
|
#include "common-hal/watchdog/WatchDogTimer.h"
|
|
|
|
#include "hardware/watchdog.h"
|
|
|
|
#define WATCHDOG_ENABLE watchdog_enable(self->timeout * 1000, false)
|
|
|
|
void common_hal_watchdog_feed(watchdog_watchdogtimer_obj_t *self) {
|
|
watchdog_update();
|
|
}
|
|
|
|
void common_hal_watchdog_deinit(watchdog_watchdogtimer_obj_t *self) {
|
|
if (self->mode == WATCHDOGMODE_NONE) {
|
|
return;
|
|
}
|
|
hw_clear_bits(&watchdog_hw->ctrl, WATCHDOG_CTRL_ENABLE_BITS);
|
|
self->mode = WATCHDOGMODE_NONE;
|
|
}
|
|
|
|
mp_float_t common_hal_watchdog_get_timeout(watchdog_watchdogtimer_obj_t *self) {
|
|
return self->timeout;
|
|
}
|
|
|
|
void common_hal_watchdog_set_timeout(watchdog_watchdogtimer_obj_t *self, mp_float_t new_timeout) {
|
|
if (!(self->timeout < new_timeout || self->timeout > new_timeout)) {
|
|
return;
|
|
}
|
|
|
|
// max timeout is 8.388607 sec, this is rounded down to 8 sec
|
|
mp_arg_validate_int_max(new_timeout, 8, MP_QSTR_timeout);
|
|
self->timeout = new_timeout;
|
|
|
|
if (self->mode == WATCHDOGMODE_RESET) {
|
|
WATCHDOG_ENABLE;
|
|
}
|
|
}
|
|
|
|
watchdog_watchdogmode_t common_hal_watchdog_get_mode(watchdog_watchdogtimer_obj_t *self) {
|
|
return self->mode;
|
|
}
|
|
|
|
void common_hal_watchdog_set_mode(watchdog_watchdogtimer_obj_t *self, watchdog_watchdogmode_t new_mode) {
|
|
if (self->mode == new_mode) {
|
|
return;
|
|
}
|
|
|
|
switch (new_mode) {
|
|
case WATCHDOGMODE_NONE:
|
|
common_hal_watchdog_deinit(self);
|
|
break;
|
|
case WATCHDOGMODE_RAISE:
|
|
mp_raise_NotImplementedError(NULL);
|
|
break;
|
|
case WATCHDOGMODE_RESET:
|
|
WATCHDOG_ENABLE;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
self->mode = new_mode;
|
|
}
|