mirror of
https://github.com/g4klx/MMDVMHost.git
synced 2026-04-08 16:03:54 +00:00
Merge branch 'mqtt' into mqtt_plus
This commit is contained in:
Jonathan Naylor
commit
d5e438553b
9 changed files with 390 additions and 171 deletions
495
FMNetwork.cpp
495
FMNetwork.cpp
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@ -26,22 +26,35 @@
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#include <cassert>
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#include <cstring>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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const unsigned int MMDVM_SAMPLERATE = 8000U;
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const unsigned int BUFFER_LENGTH = 1500U;
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CFMNetwork::CFMNetwork(const std::string& callsign, const std::string& protocol, const std::string& localAddress, unsigned short localPort, const std::string& gatewayAddress, unsigned short gatewayPort, bool debug) :
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CFMNetwork::CFMNetwork(const std::string& callsign, const std::string& protocol, const std::string& localAddress, unsigned short localPort, const std::string& gatewayAddress, unsigned short gatewayPort, unsigned int sampleRate, const std::string& squelchFile, bool debug) :
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m_callsign(callsign),
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m_protocol(FMNP_USRP),
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m_socket(localAddress, localPort),
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m_addr(),
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m_addrLen(0U),
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m_sampleRate(sampleRate),
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m_squelchFile(squelchFile),
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m_debug(debug),
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m_enabled(false),
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m_buffer(2000U, "FM Network"),
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m_seqNo(0U)
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m_seqNo(0U),
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m_resampler(NULL),
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m_error(0),
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m_fd(-1)
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{
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assert(!callsign.empty());
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assert(gatewayPort > 0U);
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assert(!gatewayAddress.empty());
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assert(sampleRate > 0U);
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if (CUDPSocket::lookup(gatewayAddress, gatewayPort, m_addr, m_addrLen) != 0)
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m_addrLen = 0U;
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@ -51,12 +64,17 @@ m_seqNo(0U)
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if (pos != std::string::npos)
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m_callsign = callsign.substr(0U, pos);
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// if (protocol == "USRP")
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// m_protocol = FMNP_USRP;
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if (protocol == "RAW")
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m_protocol = FMNP_RAW;
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else
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m_protocol = FMNP_USRP;
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m_resampler = ::src_new(SRC_SINC_FASTEST, 1, &m_error);
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}
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CFMNetwork::~CFMNetwork()
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{
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::src_delete(m_resampler);
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}
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bool CFMNetwork::open()
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@ -68,16 +86,37 @@ bool CFMNetwork::open()
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LogMessage("Opening FM network connection");
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if (!m_squelchFile.empty()) {
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m_fd = ::open(m_squelchFile.c_str(), O_WRONLY | O_SYNC);
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if (m_fd == -1) {
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LogError("Cannot open the squelch file: %s, errno=%d", m_squelchFile.c_str(), errno);
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return false;
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}
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}
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return m_socket.open(m_addr);
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}
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bool CFMNetwork::writeData(float* data, unsigned int nSamples)
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bool CFMNetwork::writeData(const float* data, unsigned int nSamples)
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{
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assert(data != NULL);
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assert(nSamples > 0U);
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if (m_protocol == FMNP_USRP)
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return writeUSRPData(data, nSamples);
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else if (m_protocol == FMNP_RAW)
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return writeRawData(data, nSamples);
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else
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return false;
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}
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bool CFMNetwork::writeUSRPData(const float* data, unsigned int nSamples)
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{
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assert(data != NULL);
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assert(nSamples > 0U);
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if (m_seqNo == 0U) {
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bool ret = writeStart();
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bool ret = writeUSRPStart();
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if (!ret)
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return false;
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}
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@ -87,53 +126,51 @@ bool CFMNetwork::writeData(float* data, unsigned int nSamples)
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unsigned int length = 0U;
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if (m_protocol == FMNP_USRP) {
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buffer[length++] = 'U';
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buffer[length++] = 'S';
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buffer[length++] = 'R';
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buffer[length++] = 'P';
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buffer[length++] = 'U';
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buffer[length++] = 'S';
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buffer[length++] = 'R';
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buffer[length++] = 'P';
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// Sequence number
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buffer[length++] = (m_seqNo >> 24) & 0xFFU;
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buffer[length++] = (m_seqNo >> 16) & 0xFFU;
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buffer[length++] = (m_seqNo >> 8) & 0xFFU;
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buffer[length++] = (m_seqNo >> 0) & 0xFFU;
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// Sequence number
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buffer[length++] = (m_seqNo >> 24) & 0xFFU;
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buffer[length++] = (m_seqNo >> 16) & 0xFFU;
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buffer[length++] = (m_seqNo >> 8) & 0xFFU;
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buffer[length++] = (m_seqNo >> 0) & 0xFFU;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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// PTT on
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x01U;
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// PTT on
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x01U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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// Type, 0 for audio
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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// Type, 0 for audio
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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}
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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for (unsigned int i = 0U; i < nSamples; i++) {
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short val = short(data[i] * 32767.0F + 0.5F); // Changing audio format from float to S16LE
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short val = short(data[i] * 32767.0F + 0.5F); // Changing audio format from float to S16LE
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buffer[length++] = (val >> 0) & 0xFFU;
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buffer[length++] = (val >> 8) & 0xFFU;
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@ -147,59 +184,122 @@ bool CFMNetwork::writeData(float* data, unsigned int nSamples)
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return m_socket.write(buffer, length, m_addr, m_addrLen);
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}
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bool CFMNetwork::writeRawData(const float* in, unsigned int nIn)
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{
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assert(in != NULL);
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assert(nIn > 0U);
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if (m_seqNo == 0U) {
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bool ret = writeRawStart();
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if (!ret)
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return false;
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}
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unsigned char buffer[2000U];
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unsigned int length = 0U;
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if (m_sampleRate != MMDVM_SAMPLERATE) {
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unsigned int nOut = (nIn * m_sampleRate) / MMDVM_SAMPLERATE;
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float out[1000U];
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SRC_DATA data;
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data.data_in = in;
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data.data_out = out;
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data.input_frames = nIn;
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data.output_frames = nOut;
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data.end_of_input = 0;
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data.src_ratio = float(m_sampleRate) / float(MMDVM_SAMPLERATE);
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int ret = ::src_process(m_resampler, &data);
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if (ret != 0) {
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LogError("Error from the write resampler - %d - %s", ret, ::src_strerror(ret));
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return false;
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}
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for (unsigned int i = 0U; i < nOut; i++) {
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short val = short(out[i] * 32767.0F + 0.5F); // Changing audio format from float to S16LE
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buffer[length++] = (val >> 0) & 0xFFU;
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buffer[length++] = (val >> 8) & 0xFFU;
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}
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} else {
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for (unsigned int i = 0U; i < nIn; i++) {
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short val = short(in[i] * 32767.0F + 0.5F); // Changing audio format from float to S16LE
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buffer[length++] = (val >> 0) & 0xFFU;
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buffer[length++] = (val >> 8) & 0xFFU;
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}
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}
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if (m_debug)
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CUtils::dump(1U, "FM Network Data Sent", buffer, length);
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m_seqNo++;
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return m_socket.write(buffer, length, m_addr, m_addrLen);
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}
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bool CFMNetwork::writeEnd()
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{
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if (m_protocol == FMNP_USRP)
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return writeUSRPEnd();
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else
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return writeRawEnd();
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}
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bool CFMNetwork::writeUSRPEnd()
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{
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unsigned char buffer[500U];
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::memset(buffer, 0x00U, 500U);
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unsigned int length = 0U;
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if (m_protocol == FMNP_USRP) {
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buffer[length++] = 'U';
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buffer[length++] = 'S';
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buffer[length++] = 'R';
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buffer[length++] = 'P';
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buffer[length++] = 'U';
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buffer[length++] = 'S';
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buffer[length++] = 'R';
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buffer[length++] = 'P';
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// Sequence number
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buffer[length++] = (m_seqNo >> 24) & 0xFFU;
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buffer[length++] = (m_seqNo >> 16) & 0xFFU;
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buffer[length++] = (m_seqNo >> 8) & 0xFFU;
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buffer[length++] = (m_seqNo >> 0) & 0xFFU;
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// Sequence number
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buffer[length++] = (m_seqNo >> 24) & 0xFFU;
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buffer[length++] = (m_seqNo >> 16) & 0xFFU;
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buffer[length++] = (m_seqNo >> 8) & 0xFFU;
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buffer[length++] = (m_seqNo >> 0) & 0xFFU;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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// PTT off
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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// PTT off
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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// Type, 0 for audio
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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// Type, 0 for audio
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
|
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|
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
|
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buffer[length++] = 0x00U;
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buffer[length++] = 0x00U;
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length += 320U;
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}
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length += 320U;
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m_seqNo = 0U;
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@ -213,6 +313,21 @@ bool CFMNetwork::writeEnd()
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}
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}
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bool CFMNetwork::writeRawEnd()
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{
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m_seqNo = 0U;
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if (m_fd != -1) {
|
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size_t n = ::write(m_fd, "Z", 1);
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if (n != 1) {
|
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LogError("Cannot write to the squelch file: %s, errno=%d", m_squelchFile.c_str(), errno);
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return false;
|
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}
|
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}
|
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|
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return true;
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}
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void CFMNetwork::clock(unsigned int ms)
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{
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unsigned char buffer[BUFFER_LENGTH];
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|
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@ -224,9 +339,16 @@ void CFMNetwork::clock(unsigned int ms)
|
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return;
|
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|
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// Check if the data is for us
|
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if (!CUDPSocket::match(addr, m_addr)) {
|
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LogMessage("FM packet received from an invalid source");
|
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return;
|
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if (m_protocol == FMNP_USRP) {
|
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if (!CUDPSocket::match(addr, m_addr, IMT_ADDRESS_AND_PORT)) {
|
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LogMessage("FM packet received from an invalid source");
|
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return;
|
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}
|
||||
} else {
|
||||
if (!CUDPSocket::match(addr, m_addr, IMT_ADDRESS_ONLY)) {
|
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LogMessage("FM packet received from an invalid source");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
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if (!m_enabled)
|
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|
|
@ -251,30 +373,65 @@ void CFMNetwork::clock(unsigned int ms)
|
|||
|
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if (type == 0U)
|
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m_buffer.addData(buffer + 32U, length - 32U);
|
||||
} else if (m_protocol == FMNP_RAW) {
|
||||
m_buffer.addData(buffer, length);
|
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}
|
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}
|
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|
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unsigned int CFMNetwork::read(float* data, unsigned int nSamples)
|
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unsigned int CFMNetwork::readData(float* out, unsigned int nOut)
|
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{
|
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assert(data != NULL);
|
||||
assert(nSamples > 0U);
|
||||
assert(out != NULL);
|
||||
assert(nOut > 0U);
|
||||
|
||||
unsigned int bytes = m_buffer.dataSize() / sizeof(unsigned short);
|
||||
if (bytes == 0U)
|
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return 0U;
|
||||
|
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if (bytes < nSamples)
|
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nSamples = bytes;
|
||||
if ((m_protocol == FMNP_RAW) && (m_sampleRate != MMDVM_SAMPLERATE)) {
|
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unsigned int nIn = (nOut * m_sampleRate) / MMDVM_SAMPLERATE;
|
||||
|
||||
unsigned char buffer[1500U];
|
||||
m_buffer.getData(buffer, nSamples * sizeof(unsigned short));
|
||||
if (bytes < nIn) {
|
||||
nIn = bytes;
|
||||
nOut = (nIn * MMDVM_SAMPLERATE) / m_sampleRate;
|
||||
}
|
||||
|
||||
for (unsigned int i = 0U; i < nSamples; i++) {
|
||||
short val = ((buffer[i * 2U + 0U] & 0xFFU) << 0) + ((buffer[i * 2U + 1U] & 0xFFU) << 8);
|
||||
data[i] = float(val) / 65536.0F;
|
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unsigned char buffer[2000U];
|
||||
m_buffer.getData(buffer, nIn * sizeof(unsigned short));
|
||||
|
||||
float in[1000U];
|
||||
|
||||
for (unsigned int i = 0U; i < nIn; i++) {
|
||||
short val = ((buffer[i * 2U + 0U] & 0xFFU) << 0) + ((buffer[i * 2U + 1U] & 0xFFU) << 8);
|
||||
in[i] = float(val) / 65536.0F;
|
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}
|
||||
|
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SRC_DATA data;
|
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data.data_in = in;
|
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data.data_out = out;
|
||||
data.input_frames = nIn;
|
||||
data.output_frames = nOut;
|
||||
data.end_of_input = 0;
|
||||
data.src_ratio = float(MMDVM_SAMPLERATE) / float(m_sampleRate);
|
||||
|
||||
int ret = ::src_process(m_resampler, &data);
|
||||
if (ret != 0) {
|
||||
LogError("Error from the read resampler - %d - %s", ret, ::src_strerror(ret));
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
if (bytes < nOut)
|
||||
nOut = bytes;
|
||||
|
||||
unsigned char buffer[1500U];
|
||||
m_buffer.getData(buffer, nOut * sizeof(unsigned short));
|
||||
|
||||
for (unsigned int i = 0U; i < nOut; i++) {
|
||||
short val = ((buffer[i * 2U + 0U] & 0xFFU) << 0) + ((buffer[i * 2U + 1U] & 0xFFU) << 8);
|
||||
out[i] = float(val) / 65536.0F;
|
||||
}
|
||||
}
|
||||
|
||||
return nSamples;
|
||||
return nOut;
|
||||
}
|
||||
|
||||
void CFMNetwork::reset()
|
||||
|
|
@ -286,6 +443,11 @@ void CFMNetwork::close()
|
|||
{
|
||||
m_socket.close();
|
||||
|
||||
if (m_fd != -1) {
|
||||
::close(m_fd);
|
||||
m_fd = -1;
|
||||
}
|
||||
|
||||
LogMessage("Closing FM network connection");
|
||||
}
|
||||
|
||||
|
|
@ -299,94 +461,92 @@ void CFMNetwork::enable(bool enabled)
|
|||
m_enabled = enabled;
|
||||
}
|
||||
|
||||
bool CFMNetwork::writeStart()
|
||||
bool CFMNetwork::writeUSRPStart()
|
||||
{
|
||||
unsigned char buffer[500U];
|
||||
::memset(buffer, 0x00U, 500U);
|
||||
|
||||
unsigned int length = 0U;
|
||||
|
||||
if (m_protocol == FMNP_USRP) {
|
||||
buffer[length++] = 'U';
|
||||
buffer[length++] = 'S';
|
||||
buffer[length++] = 'R';
|
||||
buffer[length++] = 'P';
|
||||
buffer[length++] = 'U';
|
||||
buffer[length++] = 'S';
|
||||
buffer[length++] = 'R';
|
||||
buffer[length++] = 'P';
|
||||
|
||||
// Sequence number
|
||||
buffer[length++] = (m_seqNo >> 24) & 0xFFU;
|
||||
buffer[length++] = (m_seqNo >> 16) & 0xFFU;
|
||||
buffer[length++] = (m_seqNo >> 8) & 0xFFU;
|
||||
buffer[length++] = (m_seqNo >> 0) & 0xFFU;
|
||||
// Sequence number
|
||||
buffer[length++] = (m_seqNo >> 24) & 0xFFU;
|
||||
buffer[length++] = (m_seqNo >> 16) & 0xFFU;
|
||||
buffer[length++] = (m_seqNo >> 8) & 0xFFU;
|
||||
buffer[length++] = (m_seqNo >> 0) & 0xFFU;
|
||||
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
// PTT off
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
// PTT off
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
// Type, 2 for metadata
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x02U;
|
||||
// Type, 2 for metadata
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x02U;
|
||||
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
// TLV TAG for Metadata
|
||||
buffer[length++] = 0x08U;
|
||||
// TLV TAG for Metadata
|
||||
buffer[length++] = 0x08U;
|
||||
|
||||
// TLV Length
|
||||
buffer[length++] = 3U + 4U + 3U + 1U + 1U + m_callsign.size() + 1U;
|
||||
// TLV Length
|
||||
buffer[length++] = 3U + 4U + 3U + 1U + 1U + m_callsign.size() + 1U;
|
||||
|
||||
// DMR Id
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
// DMR Id
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
// Rpt Id
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
// Rpt Id
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
// Talk Group
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
// Talk Group
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
// Time Slot
|
||||
buffer[length++] = 0x00U;
|
||||
// Time Slot
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
// Color Code
|
||||
buffer[length++] = 0x00U;
|
||||
// Color Code
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
// Callsign
|
||||
for (std::string::const_iterator it = m_callsign.cbegin(); it != m_callsign.cend(); ++it)
|
||||
buffer[length++] = *it;
|
||||
// Callsign
|
||||
for (std::string::const_iterator it = m_callsign.cbegin(); it != m_callsign.cend(); ++it)
|
||||
buffer[length++] = *it;
|
||||
|
||||
// End of Metadata
|
||||
buffer[length++] = 0x00U;
|
||||
// End of Metadata
|
||||
buffer[length++] = 0x00U;
|
||||
|
||||
length = 70U;
|
||||
}
|
||||
length = 70U;
|
||||
|
||||
if (length > 0U) {
|
||||
if (m_debug)
|
||||
|
|
@ -398,5 +558,18 @@ bool CFMNetwork::writeStart()
|
|||
}
|
||||
}
|
||||
|
||||
bool CFMNetwork::writeRawStart()
|
||||
{
|
||||
if (m_fd != -1) {
|
||||
size_t n = ::write(m_fd, "O", 1);
|
||||
if (n != 1) {
|
||||
LogError("Cannot write to the squelch file: %s, errno=%d", m_squelchFile.c_str(), errno);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue