mirror of https://github.com/ARMmbed/mbed-os.git
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2019, Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbed_error.h"
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#include "watchdog_api.h"
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#include "cyhal_wdt.h"
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#if DEVICE_WATCHDOG
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#ifdef __cplusplus
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extern "C" {
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#endif
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static bool initialized = false;
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static cyhal_wdt_t cy_wdt;
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watchdog_status_t hal_watchdog_init(const watchdog_config_t *config)
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{
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//MBED can call init multiple times so we need to free before the second init
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if (initialized) {
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cyhal_wdt_free(&cy_wdt);
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}
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cy_rslt_t result = cyhal_wdt_init(&cy_wdt, config->timeout_ms);
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switch (result) {
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case CY_RSLT_SUCCESS:
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initialized = true;
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return WATCHDOG_STATUS_OK;
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case CY_RSLT_WDT_INVALID_TIMEOUT:
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return WATCHDOG_STATUS_INVALID_ARGUMENT;
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default:
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return WATCHDOG_STATUS_NOT_SUPPORTED;
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}
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}
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void hal_watchdog_kick(void)
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{
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cyhal_wdt_kick(&cy_wdt);
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}
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watchdog_status_t hal_watchdog_stop(void)
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{
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cyhal_wdt_stop(&cy_wdt);
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return WATCHDOG_STATUS_OK;
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}
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uint32_t hal_watchdog_get_reload_value(void)
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{
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return cyhal_wdt_get_timeout_ms(&cy_wdt);
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}
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watchdog_features_t hal_watchdog_get_platform_features(void)
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{
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watchdog_features_t features = {
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/* .max_timeout = */ cyhal_wdt_get_max_timeout_ms(),
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/* .update_config = */ true,
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/* .disable_watchdog = */ true,
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/* .clock_typical_frequency = */ 32000,
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/* .clock_max_frequency = */ 36100
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};
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return features;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // DEVICE_WATCHDOG
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