example.h

// License: Apache 2.0. See LICENSE file in root directory.
// Copyright(c) 2017 Intel Corporation. All Rights Reserved.

#include <librealsense2/rs.h>
#include <stdio.h>
#include <stdlib.h>

/* Function calls to librealsense may raise errors of type rs_error*/
void check_error(rs2_error* e)
{
    if (e)
    {
        printf("rs_error was raised when calling %s(%s):\n", rs2_get_failed_function(e), rs2_get_failed_args(e));
        printf("    %s\n", rs2_get_error_message(e));
        exit(EXIT_FAILURE);
    }
}

void print_device_info(rs2_device* dev)
{
    rs2_error* e = 0;
    printf("\nUsing device 0, an %s\n", rs2_get_device_info(dev, RS2_CAMERA_INFO_NAME, &e));
    check_error(e);
    printf("    Serial number: %s\n", rs2_get_device_info(dev, RS2_CAMERA_INFO_SERIAL_NUMBER, &e));
    check_error(e);
    printf("    Firmware version: %s\n\n", rs2_get_device_info(dev, RS2_CAMERA_INFO_FIRMWARE_VERSION, &e));
    check_error(e);
}