Files
EPD-nRF52-hema213/SDK/12.3.0_d7731ad/components/libraries/hardfault/hardfault_implementation.c
2025-03-04 21:47:57 +08:00

92 lines
3.5 KiB
C

/**
* Copyright (c) 2015 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
#include "hardfault.h"
#include "nrf.h"
#include "compiler_abstraction.h"
#include "app_util_platform.h"
#ifdef SOFTDEVICE_PRESENT
#include "nrf_soc.h"
#endif
#define NRF_LOG_MODULE_NAME "HARDFAULT"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#if defined(DEBUG_NRF)
/**
* @brief Pointer to the last received stack pointer.
*
* This pointer is set in the debug version of the HardFault handler.
* It helps to debug HardFault reasons.
*/
volatile HardFault_stack_t * HardFault_p_stack;
#endif
/*lint -save -e14 */
__WEAK void HardFault_process(HardFault_stack_t * p_stack)
{
// Restart the system by default
NVIC_SystemReset();
}
/*lint -restore */
void HardFault_c_handler(uint32_t * p_stack_address)
{
NRF_LOG_ERROR("Hardfault PC:%x\r\n", ((HardFault_stack_t *)p_stack_address)->pc);
NRF_LOG_FINAL_FLUSH();
#if defined(DEBUG_NRF)
HardFault_p_stack = (HardFault_stack_t *)p_stack_address;
(void)HardFault_p_stack;
// Debugger detection is only possible on NRF52 (Cortex-M4), on NRF51
// (Cortex-M0) the processor has no access to CoreDebug registers.
#if __CORTEX_M == 0x04
// C_DEBUGEN == 1 -> Debugger Connected
if (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk)
{
/* Generate breakpoint if debugger is connected */
NRF_BREAKPOINT;
}
#endif // __CORTEX_M == 0x04
#endif // DEBUG_NRF
HardFault_process((HardFault_stack_t *)p_stack_address);
}
#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)