97 lines
3.7 KiB
C
97 lines
3.7 KiB
C
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/**
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* Copyright (c) 2015 - 2020, Nordic Semiconductor ASA
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*
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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 modification,
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* 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, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA 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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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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 SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef HARDFAULT_H__
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#define HARDFAULT_H__
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#include <stdint.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup hardfault_default HardFault exception
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* @{
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* @brief Default HardFault exception implementation.
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* @ingroup app_common
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*/
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/**
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* @brief Contents of the stack.
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*
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* This structure is used to re-create the stack layout after a HardFault exception was raised.
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*/
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typedef struct HardFault_stack
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{
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uint32_t r0; ///< R0 register.
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uint32_t r1; ///< R1 register.
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uint32_t r2; ///< R2 register.
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uint32_t r3; ///< R3 register.
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uint32_t r12; ///< R12 register.
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uint32_t lr; ///< Link register.
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uint32_t pc; ///< Program counter.
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uint32_t psr; ///< Program status register.
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} HardFault_stack_t;
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/**
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* @brief Function for processing HardFault exceptions.
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*
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* An application that needs to process HardFault exceptions should provide an implementation of this function.
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* It will be called from the HardFault handler.
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* If no implementation is provided, the library uses a default one, which just restarts the MCU.
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*
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* @note If the DEBUG_NRF macro is defined, the software breakpoint is set just before the call
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* to this function.
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*
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* @param p_stack Pointer to the stack bottom.
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* This pointer might be NULL if the HardFault was called when the main stack was
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* the active stack and a stack overrun is detected.
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* In such a situation, the stack pointer is reinitialized to the default position,
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* and the stack content is lost.
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*/
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void HardFault_process(HardFault_stack_t * p_stack);
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* HARDFAULT_H__ */
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