diff options
Diffstat (limited to 'src/dabOutput/edi')
| -rw-r--r-- | src/dabOutput/edi/PFT.cpp | 35 | ||||
| -rw-r--r-- | src/dabOutput/edi/PFT.h | 10 |
2 files changed, 38 insertions, 7 deletions
diff --git a/src/dabOutput/edi/PFT.cpp b/src/dabOutput/edi/PFT.cpp index 3352136..e1c8249 100644 --- a/src/dabOutput/edi/PFT.cpp +++ b/src/dabOutput/edi/PFT.cpp @@ -168,6 +168,9 @@ std::vector< PFTFragment > PFT::Assemble(AFPacket af_packet) vector< vector<uint8_t> > fragments = ProtectAndFragment(af_packet); vector< vector<uint8_t> > pft_fragments; // These contain PF headers + const bool enable_RS = true; + const bool enable_transport = true; + unsigned int findex = 0; unsigned fcount = fragments.size(); @@ -184,29 +187,53 @@ std::vector< PFTFragment > PFT::Assemble(AFPacket af_packet) for (size_t i = 0; i < fragments.size(); i++) { const vector<uint8_t>& fragment = fragments[i]; - std::string psync("PF"); // SYNC + // Psync + std::string psync("PF"); std::vector<uint8_t> packet(psync.begin(), psync.end()); + // Pseq packet.push_back(m_pseq >> 8); packet.push_back(m_pseq & 0xFF); + // Findex packet.push_back(findex >> 16); packet.push_back(findex >> 8); packet.push_back(findex & 0xFF); findex++; + // Fcount packet.push_back(fcount >> 16); packet.push_back(fcount >> 8); packet.push_back(fcount & 0xFF); + // RS (1 bit), transport (1 bit) and Plen (14 bits) unsigned int plen = fragment.size(); - plen |= 0x8000; // Set FEC bit + if (enable_RS) { + plen |= 0x8000; // Set FEC bit + } + + if (enable_transport) { + plen |= 0x4000; // Set ADDR bit + } packet.push_back(plen >> 8); packet.push_back(plen & 0xFF); - packet.push_back(chunk_len); // RSk - packet.push_back(zero_pad); // RSz + if (enable_RS) { + packet.push_back(chunk_len); // RSk + packet.push_back(zero_pad); // RSz + } + + if (enable_transport) { + // Source (16 bits) + uint16_t addr_source = 0; + packet.push_back(addr_source >> 8); + packet.push_back(addr_source & 0xFF); + + // Dest (16 bits) + packet.push_back(m_dest_port >> 8); + packet.push_back(m_dest_port & 0xFF); + } // calculate CRC over AF Header and payload uint16_t crc = 0xffff; diff --git a/src/dabOutput/edi/PFT.h b/src/dabOutput/edi/PFT.h index 1d09c0b..4aae817 100644 --- a/src/dabOutput/edi/PFT.h +++ b/src/dabOutput/edi/PFT.h @@ -39,6 +39,7 @@ #include "AFPacket.h" #include "Log.h" #include "ReedSolomon.h" +#include "dabOutput/dabOutput.h" typedef std::vector<uint8_t> RSBlock; typedef std::vector<uint8_t> PFTFragment; @@ -49,12 +50,13 @@ class PFT static const int ParityBytes = 48; PFT(unsigned int RSDataWordLength, - unsigned int NumRecoverableFragments, - bool verbose) : + unsigned int NumRecoverableFragments, + const edi_configuration_t &conf) : m_k(RSDataWordLength), m_m(NumRecoverableFragments), + m_dest_port(conf.dest_port), m_pseq(0), - m_verbose(verbose) + m_verbose(conf.verbose) { if (m_k > 207) { etiLog.level(warn) << @@ -84,6 +86,8 @@ class PFT unsigned int m_k; // length of RS data word unsigned int m_m; // number of fragments that can be recovered if lost + unsigned int m_dest_port; // Destination port for transport header + uint16_t m_pseq; size_t m_num_chunks; |