84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
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/*
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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 microDev
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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 "py/runtime.h"
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#include "common-hal/watchdog/WatchDogTimer.h"
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#include "shared-bindings/watchdog/__init__.h"
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#include "shared-bindings/microcontroller/__init__.h"
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#include "hardware/watchdog.h"
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void common_hal_watchdog_feed(watchdog_watchdogtimer_obj_t *self) {
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watchdog_update();
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}
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void common_hal_watchdog_deinit(watchdog_watchdogtimer_obj_t *self) {
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if (self->mode == WATCHDOGMODE_RESET) {
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mp_raise_RuntimeError(translate("WatchDogTimer cannot be deinitialized once mode is set to RESET"));
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} else {
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self->mode = WATCHDOGMODE_NONE;
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}
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}
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/*
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void watchdog_reset(void) {
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common_hal_watchdog_deinit(&common_hal_mcu_watchdogtimer_obj);
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}
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*/
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mp_float_t common_hal_watchdog_get_timeout(watchdog_watchdogtimer_obj_t *self) {
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return self->timeout;
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}
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void common_hal_watchdog_set_timeout(watchdog_watchdogtimer_obj_t *self, mp_float_t new_timeout) {
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// max timeout is 8.388607 sec
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// this is rounded down to 8.388 sec
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uint64_t timeout = new_timeout * 1000;
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if (timeout > 8388) {
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mp_raise_ValueError(translate("timeout duration exceeded the maximum supported value"));
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}
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if ((uint16_t)self->timeout != timeout) {
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watchdog_enable(timeout, false);
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self->timeout = new_timeout;
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}
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}
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watchdog_watchdogmode_t common_hal_watchdog_get_mode(watchdog_watchdogtimer_obj_t *self) {
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return self->mode;
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}
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void common_hal_watchdog_set_mode(watchdog_watchdogtimer_obj_t *self, watchdog_watchdogmode_t new_mode) {
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if (self->mode != new_mode) {
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if (new_mode == WATCHDOGMODE_RAISE) {
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mp_raise_NotImplementedError(translate("RAISE mode is not implemented"));
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} else if (new_mode == WATCHDOGMODE_NONE) {
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common_hal_watchdog_deinit(self);
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}
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self->mode = new_mode;
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}
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}
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