/**
 * Copyright (c) 2013 - 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 "ble_debug_assert_handler.h"
#include <string.h>
#include "nrf.h"
#include "ble_error_log.h"
#include "nordic_common.h"

#define MAX_LENGTH_FILENAME 128  /**< Max length of filename to copy for the debug error handlier. */


// WARNING - DO NOT USE THIS FUNCTION IN END PRODUCT. - WARNING
// WARNING -         FOR DEBUG PURPOSES ONLY.         - WARNING
void ble_debug_assert_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)
{
    // Copying parameters to static variables because parameters may not be accessible in debugger.
    static volatile uint8_t  s_file_name[MAX_LENGTH_FILENAME];
    static volatile uint16_t s_line_num;
    static volatile uint32_t s_error_code;

    strncpy((char *)s_file_name, (const char *)p_file_name, MAX_LENGTH_FILENAME - 1);
    s_file_name[MAX_LENGTH_FILENAME - 1] = '\0';
    s_line_num                           = line_num;
    s_error_code                         = error_code;
    UNUSED_VARIABLE(s_file_name);
    UNUSED_VARIABLE(s_line_num);
    UNUSED_VARIABLE(s_error_code);

    // WARNING: The PRIMASK register is set to disable ALL interrups during writing the error log.
    //
    // Do not use __disable_irq() in normal operation.
    __disable_irq();

    // This function will write error code, filename, and line number to the flash.
    // In addition, the Cortex-M0 stack memory will also be written to the flash.
    //(void) ble_error_log_write(error_code, p_file_name, line_num);

    // For debug purposes, this function never returns.
    // Attach a debugger for tracing the error cause.
    for (;;)
    {
        // Do nothing.
    }
}

