61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
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*
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* The information contained herein is property of Nordic Semiconductor ASA.
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* Terms and conditions of usage are described in detail in NORDIC
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* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
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*
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* Licensees are granted free, non-transferable use of the information. NO
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* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
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* the file.
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*
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*/
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#ifndef HARFAULT_H__
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#define HARFAULT_H__
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#include <stdint.h>
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#include <stddef.h>
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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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#endif /* HARFAULT_H__ */
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