/* * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc. * Copyright (C) 2017 Furrtek * * This file is part of PortaPack. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #include #include "aprs.hpp" #include "ax25.hpp" #include "portapack_persistent_memory.hpp" using namespace ax25; namespace aprs { void make_aprs_frame(const char* src_address, const uint32_t src_ssid, const char* dest_address, const uint32_t dest_ssid, const std::string& payload) { AX25Frame frame; char address[14] = {0}; memcpy(&address[0], dest_address, 6); memcpy(&address[7], src_address, 6); // euquiq: According to ax.25 doc section 2.2.13.x.x and 2.4.1.2 // SSID need bits 5.6 set, so later when shifted it will end up being 011xxxx0 (xxxx = SSID number) // Notice that if need to signal usage of AX.25 V2.0, (dest_ssid | 112); (MSb will need to be set at the end) address[6] = (dest_ssid | 48); address[13] = (src_ssid | 48); frame.make_ui_frame(address, 0x03, protocol_id_t::NO_LAYER3, payload); } } /* namespace aprs */