app_error.c

00001 /*
00002  * Copyright (c) Nordic Semiconductor ASA
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without modification,
00006  * are permitted provided that the following conditions are met:
00007  *
00008  *   1. Redistributions of source code must retain the above copyright notice, this
00009  *   list of conditions and the following disclaimer.
00010  *
00011  *   2. Redistributions in binary form must reproduce the above copyright notice, this
00012  *   list of conditions and the following disclaimer in the documentation and/or
00013  *   other materials provided with the distribution.
00014  *
00015  *   3. Neither the name of Nordic Semiconductor ASA nor the names of other
00016  *   contributors to this software may be used to endorse or promote products
00017  *   derived from this software without specific prior written permission.
00018  *
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
00021  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00022  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00023  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
00024  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00025  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00026  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
00027  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00028  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00029  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030  *
00031  */
00032 
00033 /** @file
00034  *
00035  * @defgroup app_error Common application error handler
00036  * @{
00037  * @ingroup app_common
00038  *
00039  * @brief Common application error handler.
00040  */
00041 
00042 #include "nrf.h"
00043 #include "app_error.h "
00044 #include "compiler_abstraction.h"
00045 #include "nordic_common.h"
00046 #ifdef DEBUG
00047 #include "bsp.h"
00048 
00049 /* global error variables - in order to prevent removal by optimizers */
00050 uint32_t m_error_code;
00051 uint32_t m_line_num;
00052 const uint8_t * m_p_file_name;
00053 #endif
00054 
00055 /**@brief Function for error handling, which is called when an error has occurred.
00056  *
00057  * @warning This handler is an example only and does not fit a final product. You need to analyze
00058  *          how your product is supposed to react in case of error.
00059  *
00060  * @param[in] error_code  Error code supplied to the handler.
00061  * @param[in] line_num    Line number where the handler is called.
00062  * @param[in] p_file_name Pointer to the file name.
00063  *
00064  * Function is implemented as weak so that it can be overwritten by custom application error handler
00065  * when needed.
00066  */
00067 
00068 /*lint -save -e14 */
00069 __WEAK void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)
00070 {
00071     // On assert, the system can only recover with a reset.
00072 #ifndef DEBUG
00073     NVIC_SystemReset();
00074 #else
00075 
00076 #ifdef BSP_DEFINES_ONLY 
00077     LEDS_ON(LEDS_MASK);
00078 #else
00079     UNUSED_VARIABLE(bsp_indication_set(BSP_INDICATE_FATAL_ERROR));
00080     // This call can be used for debug purposes during application development.
00081     // @note CAUTION: Activating this code will write the stack to flash on an error.
00082     //                This function should NOT be used in a final product.
00083     //                It is intended STRICTLY for development/debugging purposes.
00084     //                The flash write will happen EVEN if the radio is active, thus interrupting
00085     //                any communication.
00086     //                Use with care. Uncomment the line below to use.
00087     //ble_debug_assert_handler(error_code, line_num, p_file_name);
00088 #endif // BSP_DEFINES_ONLY
00089 
00090     // The following variable helps Keil keep the call stack visible, in addition, it can be set to
00091     // 0 in the debugger to continue executing code after the error check.
00092     volatile bool loop = true;
00093     UNUSED_VARIABLE(loop);
00094 
00095     m_error_code = error_code;
00096     m_line_num = line_num;
00097     m_p_file_name = p_file_name;
00098 
00099     UNUSED_VARIABLE(m_error_code);
00100     UNUSED_VARIABLE(m_line_num);
00101     UNUSED_VARIABLE(m_p_file_name);
00102     __disable_irq();
00103 
00104     while(loop);
00105 #endif // DEBUG
00106 }
00107 /*lint -restore */