mirror of https://github.com/ARMmbed/mbed-os.git
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/* Copyright (c) 2017-2019 ARM Limited
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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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* @section DESCRIPTION
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*
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* LPC1768 Reset Reason
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*
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*/
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#include "reset_reason_api.h"
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#ifdef DEVICE_RESET_REASON
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#include "device.h"
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reset_reason_t hal_reset_reason_get(void)
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{
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if (LPC_SC->RSID & (1<<0)) {
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return RESET_REASON_POWER_ON;
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}
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if (LPC_SC->RSID & (1<<1)) {
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return RESET_REASON_PIN_RESET;
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}
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if (LPC_SC->RSID & (1<<2)) {
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return RESET_REASON_WATCHDOG;
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}
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if (LPC_SC->RSID & (1<<3)) {
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return RESET_REASON_BROWN_OUT;
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}
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if (LPC_SC->RSID & (1<<4)) {
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return RESET_REASON_SOFTWARE;
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}
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if (LPC_SC->RSID & (1<<5)) {
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return RESET_REASON_LOCKUP;
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}
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return RESET_REASON_UNKNOWN;
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}
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uint32_t hal_reset_reason_get_raw(void)
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{
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return LPC_SC->RSID;
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}
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void hal_reset_reason_clear(void)
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{
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LPC_SC->RSID = 0xff; // Clear flags
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}
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#endif // DEVICE_RESET_REASON
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