/** * 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)