/*
Copyright (C) 2013,2014 Matthias P. Braendli
http://mpb.li
EDI output.
This defines a few TAG items as defined ETSI TS 102 821 and
ETSI TS 102 693
*/
/*
This file is part of ODR-DabMux.
ODR-DabMux 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 3 of the
License, or (at your option) any later version.
ODR-DabMux 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 ODR-DabMux. If not, see .
*/
#ifndef _AFPACKET_H_
#define _AFPACKET_H_
#include "config.h"
#include "TagItems.h"
#include
#include
#include
#include
#include
std::vector TagStarPTR::Assemble()
{
//std::cerr << "TagItem *ptr" << std::endl;
std::string pack_data("*ptr");
std::vector packet(pack_data.begin(), pack_data.end());
packet.push_back(0);
packet.push_back(0);
packet.push_back(0);
packet.push_back(0x40);
std::string protocol("DETI");
packet.insert(packet.end(), protocol.begin(), protocol.end());
// Major
packet.push_back(0);
packet.push_back(0);
// Minor
packet.push_back(0);
packet.push_back(0);
return packet;
}
std::vector TagDETI::Assemble()
{
std::string pack_data("deti");
std::vector packet(pack_data.begin(), pack_data.end());
packet.reserve(256);
// Placeholder for length
packet.push_back(0);
packet.push_back(0);
packet.push_back(0);
packet.push_back(0);
uint8_t fct = dflc % 250;
uint8_t fcth = dflc / 250;
uint16_t detiHeader = fct | (fcth << 8) | (rfudf << 13) | (ficf << 14) | (atstf << 15);
packet.push_back(detiHeader >> 8);
packet.push_back(detiHeader & 0xFF);
uint32_t etiHeader = mnsc | (rfu << 16) | (rfa << 17) |
(fp << 19) | (mid << 22) | (stat << 24);
packet.push_back((etiHeader >> 24) & 0xFF);
packet.push_back((etiHeader >> 16) & 0xFF);
packet.push_back((etiHeader >> 8) & 0xFF);
packet.push_back(etiHeader & 0xFF);
if (atstf) {
packet.push_back(utco);
packet.push_back((seconds >> 24) & 0xFF);
packet.push_back((seconds >> 16) & 0xFF);
packet.push_back((seconds >> 8) & 0xFF);
packet.push_back(seconds & 0xFF);
packet.push_back((tsta >> 16) & 0xFF);
packet.push_back((tsta >> 8) & 0xFF);
packet.push_back(tsta & 0xFF);
}
if (ficf) {
for (size_t i = 0; i < fic_length; i++) {
packet.push_back(fic_data[i]);
}
}
if (rfudf) {
packet.push_back((rfud >> 16) & 0xFF);
packet.push_back((rfud >> 8) & 0xFF);
packet.push_back(rfud & 0xFF);
}
// calculate and update size
// remove TAG name and TAG length fields and convert to bits
uint32_t taglength = (packet.size() - 8) * 8;
// write length into packet
packet[4] = (taglength >> 24) & 0xFF;
packet[5] = (taglength >> 16) & 0xFF;
packet[6] = (taglength >> 8) & 0xFF;
packet[7] = taglength & 0xFF;
dflc = (dflc+1) % 5000;
/*
std::cerr << "TagItem deti, packet.size " << packet.size() << std::endl;
std::cerr << " fic length " << fic_length << std::endl;
std::cerr << " length " << taglength / 8 << std::endl;
*/
return packet;
}
std::vector TagESTn::Assemble()
{
std::string pack_data("est");
std::vector packet(pack_data.begin(), pack_data.end());
packet.reserve(mst_length*8 + 16);
packet.push_back(id);
// Placeholder for length
packet.push_back(0);
packet.push_back(0);
packet.push_back(0);
packet.push_back(0);
if (tpl > 0x3F) {
throw std::runtime_error("TagESTn: invalid TPL value");
}
if (sad > 0x3FF) {
throw std::runtime_error("TagESTn: invalid SAD value");
}
if (scid > 0x3F) {
throw std::runtime_error("TagESTn: invalid SCID value");
}
uint32_t sstc = (scid << 18) | (sad << 8) | (tpl << 2) | rfa;
packet.push_back((sstc >> 16) & 0xFF);
packet.push_back((sstc >> 8) & 0xFF);
packet.push_back(sstc & 0xFF);
for (size_t i = 0; i < mst_length * 8; i++) {
packet.push_back(mst_data[i]);
}
// calculate and update size
// remove TAG name and TAG length fields and convert to bits
uint32_t taglength = (packet.size() - 8) * 8;
// write length into packet
packet[4] = (taglength >> 24) & 0xFF;
packet[5] = (taglength >> 16) & 0xFF;
packet[6] = (taglength >> 8) & 0xFF;
packet[7] = taglength & 0xFF;
/*
std::cerr << "TagItem ESTn, length " << packet.size() << std::endl;
std::cerr << " mst_length " << mst_length << std::endl;
*/
return packet;
}
std::vector TagStarDMY::Assemble()
{
std::string pack_data("*dmy");
std::vector packet(pack_data.begin(), pack_data.end());
packet.resize(4 + 4 + length_);
const uint32_t length_bits = length_ * 8;
packet[4] = (length_bits >> 24) & 0xFF;
packet[5] = (length_bits >> 16) & 0xFF;
packet[6] = (length_bits >> 8) & 0xFF;
packet[7] = length_bits & 0xFF;
// The remaining bytes in the packet are "undefined data"
return packet;
}
#endif