120 lines
4.4 KiB
C
120 lines
4.4 KiB
C
//*****************************************************************************
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//
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// am_hal_reset.h
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//! @file
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//!
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//! @brief Hardware abstraction layer for the Reset Generator module.
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//!
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//! @addtogroup wdt2 Watchdog Timer (RSTGEN)
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//! @ingroup apollo2hal
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//! @{
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// Copyright (c) 2017, Ambiq Micro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 1.2.9 of the AmbiqSuite Development Package.
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//
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//*****************************************************************************
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#ifndef AM_HAL_RSTGEN_H
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#define AM_HAL_RSTGEN_H
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//*****************************************************************************
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//
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//! @name Reset Generator Configuration
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//! @brief These macros may be used to set the reset generator's configuration.
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//! @{
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//
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//*****************************************************************************
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#define AM_HAL_RESET_CFG_WDT_RESET_ENABLE (AM_REG_RSTGEN_CFG_WDREN(1))
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// Brown out high (2.1v) reset enable.
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#define AM_HAL_RESET_CFG_BOD_HIGH_RESET_ENABLE (AM_REG_RSTGEN_CFG_BODHREN(1))
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//! @}
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//*****************************************************************************
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//
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//! @name Reset Generator Status Bit Masks
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//! @brief These macros may be used to determine which type(s) of resets have
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//! been seen.
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//! @{
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//
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//*****************************************************************************
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// Reset was initiated by a Watchdog Timer Reset.
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#define AM_HAL_RESET_STAT_WDT (AM_REG_RSTGEN_STAT_WDRSTAT_M)
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// Reset was a initiated by Debugger Reset.
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#define AM_HAL_RESET_STAT_DEBUG (AM_REG_RSTGEN_STAT_DBGRSTAT_M)
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// Reset was a initiated by Software POI Reset.
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#define AM_HAL_RESET_STAT_POI (AM_REG_RSTGEN_STAT_POIRSTAT_M)
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// Reset was a initiated by Software POR or AIRCR Reset.
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#define AM_HAL_RESET_STAT_SOFTWARE (AM_REG_RSTGEN_STAT_SWRSTAT_M)
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// Reset was initiated by a Brown-Out Reset.
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#define AM_HAL_RESET_STAT_BOD (AM_REG_RSTGEN_STAT_BORSTAT_M)
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// Reset was initiated by a Power Cycle
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#define AM_HAL_RESET_STAT_POWER_CYCLE (AM_REG_RSTGEN_STAT_PORSTAT_M)
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// Reset was initiated by an External Reset.
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#define AM_HAL_RESET_STAT_EXTERNAL (AM_REG_RSTGEN_STAT_EXRSTAT_M)
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//! @}
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// External function definitions
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//
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//*****************************************************************************
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extern void am_hal_reset_init(uint32_t ui32Config);
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extern void am_hal_reset_por(void);
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extern void am_hal_reset_poi(void);
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extern uint32_t am_hal_reset_status_get(void);
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extern void am_hal_reset_status_clear(void);
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#ifdef __cplusplus
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}
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#endif
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#endif // AM_HAL_RSTGEN_H
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//*****************************************************************************
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//
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// End Doxygen group.
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//! @}
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//
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//*****************************************************************************
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