C++ (Cpp) DataFlash_Class::get_num_logs示例

/**
   handle all types of log download requests from the GCS
 */
void GCS_MAVLINK::handle_log_request_list(mavlink_message_t *msg, DataFlash_Class &dataflash)
{
    mavlink_log_request_list_t packet;
    mavlink_msg_log_request_list_decode(msg, &packet);
    if (mavlink_check_target(packet.target_system, packet.target_component))
        return;
    _log_listing = false;
    _log_sending = false;

    _log_num_logs = dataflash.get_num_logs();
    if (_log_num_logs == 0) {
        return;
    }
    int16_t last_log_num = dataflash.find_last_log();

    _log_next_list_entry = packet.start;
    _log_last_list_entry = packet.end;

    if (_log_last_list_entry > last_log_num) {
        _log_last_list_entry = last_log_num;
    }
    if (_log_next_list_entry < last_log_num + 1 - _log_num_logs) {
        _log_next_list_entry = last_log_num + 1 - _log_num_logs;
    }

    _log_listing = true;
    handle_log_send_listing(dataflash);
}

示例#2

显示文件

文件： GCS_Logs.cpp 项目： 2013-8-15/ardupilot

/**
   handle all types of log download requests from the GCS
 */
void GCS_MAVLINK::handle_log_request_list(mavlink_message_t *msg, DataFlash_Class &dataflash)
{
    mavlink_log_request_list_t packet;
    mavlink_msg_log_request_list_decode(msg, &packet);

    _log_listing = false;
    _log_sending = false;

    _log_num_logs = dataflash.get_num_logs();
    if (_log_num_logs == 0) {
        _log_next_list_entry = 0;
        _log_last_list_entry = 0;        
    } else {
        _log_next_list_entry = packet.start;
        _log_last_list_entry = packet.end;

        if (_log_last_list_entry > _log_num_logs) {
            _log_last_list_entry = _log_num_logs;
        }
        if (_log_next_list_entry < 1) {
            _log_next_list_entry = 1;
        }
    }

    _log_listing = true;
    handle_log_send_listing(dataflash);
}

示例#3

显示文件

文件： GCS_Logs.cpp 项目： DSGS/ardupilot

/**
   handle request for log data
 */
void GCS_MAVLINK::handle_log_request_data(mavlink_message_t *msg, DataFlash_Class &dataflash)
{
    mavlink_log_request_data_t packet;
    mavlink_msg_log_request_data_decode(msg, &packet);
    if (mavlink_check_target(packet.target_system, packet.target_component))
        return;

    _log_listing = false;
    if (!_log_sending || _log_num_data != packet.id) {
        _log_sending = false;

        uint16_t num_logs = dataflash.get_num_logs();
        int16_t last_log_num = dataflash.find_last_log();
        if (packet.id > last_log_num || packet.id < last_log_num + 1 - num_logs) {
            return;
        }

        uint32_t time_utc, size;
        dataflash.get_log_info(packet.id, size, time_utc);
        _log_num_data = packet.id;
        _log_data_size = size;

        uint16_t end;
        dataflash.get_log_boundaries(packet.id, _log_data_page, end);
    }

    _log_data_offset = packet.ofs;
    if (_log_data_offset >= _log_data_size) {
        _log_data_remaining = 0;
    } else {
        _log_data_remaining = _log_data_size - _log_data_offset;
    }
    if (_log_data_remaining > packet.count) {
        _log_data_remaining = packet.count;
    }
    _log_sending = true;

    handle_log_send(dataflash);
}