mirror of https://github.com/ARMmbed/mbed-os.git
104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2017 ARM Limited
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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 "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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#ifdef RCC_FLAG_LPWRRST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_LPWRRST)) {
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return RESET_REASON_WAKE_LOW_POWER;
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}
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#endif
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#ifdef RCC_FLAG_LPWR1RST
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if ((__HAL_RCC_GET_FLAG(RCC_FLAG_LPWR1RST))||(__HAL_RCC_GET_FLAG(RCC_FLAG_LPWR2RST))) {
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return RESET_REASON_WAKE_LOW_POWER;
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}
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#endif
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#ifdef RCC_FLAG_WWDGRST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_WWDGRST)) {
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return RESET_REASON_WATCHDOG;
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}
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#endif
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#ifdef RCC_FLAG_WWDG1RST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_WWDG1RST)) {
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return RESET_REASON_WATCHDOG;
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}
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#endif
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#ifdef RCC_FLAG_IWDGRST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_IWDGRST)) {
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return RESET_REASON_WATCHDOG;
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}
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#endif
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#ifdef RCC_FLAG_IWDG1RST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_IWDG1RST)) {
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return RESET_REASON_WATCHDOG;
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}
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#endif
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#ifdef RCC_FLAG_SFTRST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_SFTRST)) {
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return RESET_REASON_SOFTWARE;
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}
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#endif
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#ifdef RCC_FLAG_PORRST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_PORRST)) {
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return RESET_REASON_POWER_ON;
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}
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#endif
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#ifdef RCC_FLAG_BORRST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_BORRST)) {
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return RESET_REASON_BROWN_OUT;
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}
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#endif
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#ifdef RCC_FLAG_PINRST
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if (__HAL_RCC_GET_FLAG(RCC_FLAG_PINRST)) {
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return RESET_REASON_PIN_RESET;
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}
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#endif
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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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#if TARGET_STM32H7
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return RCC->RSR;
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#else /* TARGET_STM32H7 */
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return RCC->CSR;
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#endif /* TARGET_STM32H7 */
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}
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void hal_reset_reason_clear(void)
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{
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__HAL_RCC_CLEAR_RESET_FLAGS();
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}
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#endif // DEVICE_RESET_REASON
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