mirror of https://github.com/ARMmbed/mbed-os.git
133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
|
/***************************************************************************//**
|
||
|
|
* @file resetreason_api.c
|
||
|
|
*******************************************************************************
|
||
|
|
* @section License
|
||
|
|
* <b>(C) Copyright 2018 Silicon Labs, http://www.silabs.com</b>
|
||
|
|
*******************************************************************************
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||
|
|
* not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include "device.h"
|
||
|
|
#include "reset_reason_api.h"
|
||
|
|
|
||
|
|
#if DEVICE_RESET_REASON
|
||
|
|
|
||
|
|
#include "em_rmu.h"
|
||
|
|
|
||
|
|
reset_reason_t hal_reset_reason_get(void)
|
||
|
|
{
|
||
|
|
uint32_t reasonmask = RMU_ResetCauseGet();
|
||
|
|
|
||
|
|
/* Only care about the upper bit, since that is 'most significant' reset reason */
|
||
|
|
reasonmask = 1 << (31 - __CLZ(reasonmask));
|
||
|
|
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_PORST) {
|
||
|
|
return RESET_REASON_POWER_ON;
|
||
|
|
}
|
||
|
|
#if defined(RMU_RSTCAUSE_BODUNREGRST)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BODUNREGRST) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if defined(RMU_RSTCAUSE_BODREGRST)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BODREGRST) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if defined(RMU_RSTCAUSE_AVDDBOD)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_AVDDBOD) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if defined(RMU_RSTCAUSE_DVDDBOD)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_DVDDBOD) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if defined(RMU_RSTCAUSE_DECBOD)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_DECBOD) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_EXTRST) {
|
||
|
|
return RESET_REASON_PIN_RESET;
|
||
|
|
}
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_WDOGRST) {
|
||
|
|
return RESET_REASON_WATCHDOG;
|
||
|
|
}
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_LOCKUPRST) {
|
||
|
|
return RESET_REASON_LOCKUP;
|
||
|
|
}
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_SYSREQRST) {
|
||
|
|
return RESET_REASON_SOFTWARE;
|
||
|
|
}
|
||
|
|
#if defined(RMU_RSTCAUSE_EM4RST)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_EM4RST) {
|
||
|
|
return RESET_REASON_WAKE_LOW_POWER;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if defined(RMU_RSTCAUSE_EM4WURST)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_EM4WURST) {
|
||
|
|
return RESET_REASON_WAKE_LOW_POWER;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if defined(RMU_RSTCAUSE_BODAVDD0)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BODAVDD0) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if defined(RMU_RSTCAUSE_BODAVDD1)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BODAVDD1) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if defined(BU_PRESENT) && defined(_SILICON_LABS_32B_SERIES_0)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BUBODVDDDREG) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BUBODBUVIN) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BUBODUNREG) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BUBODREG) {
|
||
|
|
return RESET_REASON_BROWN_OUT;
|
||
|
|
}
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BUMODERST) {
|
||
|
|
return RESET_REASON_PLATFORM;
|
||
|
|
}
|
||
|
|
#elif defined(RMU_RSTCAUSE_BUMODERST)
|
||
|
|
if (reasonmask & RMU_RSTCAUSE_BUMODERST) {
|
||
|
|
return RESET_REASON_PLATFORM;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
return RESET_REASON_UNKNOWN;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t hal_reset_reason_get_raw(void)
|
||
|
|
{
|
||
|
|
return RMU->RSTCAUSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
void hal_reset_reason_clear(void)
|
||
|
|
{
|
||
|
|
RMU_ResetCauseClear();
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* DEVICE_RESET_REASON */
|