diff --git a/MMDVMHost.cpp b/MMDVMHost.cpp index b7e60bc..e79c2a8 100644 --- a/MMDVMHost.cpp +++ b/MMDVMHost.cpp @@ -26,6 +26,7 @@ #include "TFTSerial.h" #include "NullDisplay.h" #include "YSFControl.h" +#include "P25Control.h" #include "Nextion.h" #include "Thread.h" @@ -375,6 +376,23 @@ int CMMDVMHost::run() ysf = new CYSFControl(m_callsign, m_ysfNetwork, m_display, m_timeout, m_duplex, rssiMultiplier, rssiOffset); } + CP25Control* p25 = NULL; + if (m_p25Enabled) { + unsigned int id = m_conf.getP25Id(); + int rssiMultiplier = m_conf.getModemRSSIMultiplier(); + int rssiOffset = m_conf.getModemRSSIOffset(); + + LogInfo("P25 Parameters"); + LogInfo(" Id: %u", id); + + if (rssiMultiplier != 0) { + LogInfo(" RSSI Multiplier: %d", rssiMultiplier); + LogInfo(" RSSI Offset: %d", rssiOffset); + } + + p25 = new CP25Control(id, m_display, m_timeout, m_duplex, rssiMultiplier, rssiOffset); + } + setMode(MODE_IDLE); LogMessage("MMDVMHost-%s is running", VERSION); @@ -498,6 +516,22 @@ int CMMDVMHost::run() } } + len = m_modem->readP25Data(data); + if (p25 != NULL && len > 0U) { + if (m_mode == MODE_IDLE) { + bool ret = p25->writeModem(data, len); + if (ret) { + m_modeTimer.setTimeout(m_rfModeHang); + setMode(MODE_P25); + } + } else if (m_mode == MODE_P25) { + p25->writeModem(data, len); + m_modeTimer.start(); + } else if (m_mode != MODE_LOCKOUT) { + LogWarning("P25 modem data received when in mode %u", m_mode); + } + } + if (m_modeTimer.isRunning() && m_modeTimer.hasExpired()) setMode(MODE_IDLE); @@ -585,6 +619,26 @@ int CMMDVMHost::run() } } + if (p25 != NULL) { + ret = m_modem->hasP25Space(); + if (ret) { + len = p25->readModem(data); + if (len > 0U) { + if (m_mode == MODE_IDLE) { + m_modeTimer.setTimeout(m_netModeHang); + setMode(MODE_P25); + } + if (m_mode == MODE_P25) { + m_modem->writeP25Data(data, len); + m_modeTimer.start(); + } + else if (m_mode != MODE_LOCKOUT) { + LogWarning("P25 data received when in mode %u", m_mode); + } + } + } + } + if (m_dmrNetwork != NULL) { bool run = m_dmrNetwork->wantsBeacon(); if (dmrBeaconsEnabled && run && m_mode == MODE_IDLE && !m_modem->hasTX()) { @@ -607,6 +661,8 @@ int CMMDVMHost::run() dmr->clock(); if (ysf != NULL) ysf->clock(ms); + if (p25 != NULL) + p25->clock(ms); if (m_dstarNetwork != NULL) m_dstarNetwork->clock(ms); @@ -669,6 +725,7 @@ int CMMDVMHost::run() delete dstar; delete dmr; delete ysf; + delete p25; return 0; } diff --git a/MMDVMHost.vcxproj b/MMDVMHost.vcxproj index 99088cc..04bba5f 100644 --- a/MMDVMHost.vcxproj +++ b/MMDVMHost.vcxproj @@ -181,6 +181,7 @@ + @@ -235,6 +236,7 @@ + diff --git a/MMDVMHost.vcxproj.filters b/MMDVMHost.vcxproj.filters index 78f7d0e..e1dbca3 100644 --- a/MMDVMHost.vcxproj.filters +++ b/MMDVMHost.vcxproj.filters @@ -176,6 +176,9 @@ Header Files + + Header Files + @@ -322,5 +325,8 @@ Source Files + + Source Files + \ No newline at end of file diff --git a/Makefile b/Makefile index ae39487..929fc2c 100644 --- a/Makefile +++ b/Makefile @@ -9,8 +9,8 @@ LDFLAGS = -g OBJECTS = \ AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \ DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o Log.o MMDVMHost.o \ - Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o YSFControl.o \ - YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o + Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \ + YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o all: MMDVMHost diff --git a/Makefile.Pi.Adafruit b/Makefile.Pi.Adafruit index 859e9a4..fef63c3 100644 --- a/Makefile.Pi.Adafruit +++ b/Makefile.Pi.Adafruit @@ -9,8 +9,8 @@ LDFLAGS = -g -L/usr/local/lib OBJECTS = \ AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \ DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \ - MMDVMHost.o Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \ - YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o + MMDVMHost.o Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o \ + UDPSocket.o Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o all: MMDVMHost diff --git a/Makefile.Pi.HD44780 b/Makefile.Pi.HD44780 index 2e7a90a..9dac5df 100644 --- a/Makefile.Pi.HD44780 +++ b/Makefile.Pi.HD44780 @@ -9,8 +9,8 @@ LDFLAGS = -g -L/usr/local/lib OBJECTS = \ AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \ DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \ - MMDVMHost.o Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \ - YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o + MMDVMHost.o Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o \ + Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o all: MMDVMHost diff --git a/Makefile.Pi.OLED b/Makefile.Pi.OLED index cac8209..b95bc1e 100644 --- a/Makefile.Pi.OLED +++ b/Makefile.Pi.OLED @@ -9,8 +9,8 @@ LDFLAGS = -g -L/usr/local/lib OBJECTS = \ AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \ DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o OLED.o Log.o \ - MMDVMHost.o Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \ - YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o + MMDVMHost.o Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o \ + UDPSocket.o Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o all: MMDVMHost diff --git a/Makefile.Pi.PCF8574 b/Makefile.Pi.PCF8574 index 0abc3c4..990725c 100644 --- a/Makefile.Pi.PCF8574 +++ b/Makefile.Pi.PCF8574 @@ -9,8 +9,8 @@ LDFLAGS = -g -L/usr/local/lib OBJECTS = \ AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \ DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \ - MMDVMHost.o Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \ - YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o + MMDVMHost.o Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o \ + UDPSocket.o Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o all: MMDVMHost diff --git a/Makefile.Solaris b/Makefile.Solaris index ded1b5f..a66f313 100644 --- a/Makefile.Solaris +++ b/Makefile.Solaris @@ -9,8 +9,8 @@ LDFLAGS = -g OBJECTS = \ AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \ DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o Log.o MMDVMHost.o \ - Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o YSFControl.o \ - YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o + Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \ + YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o all: MMDVMHost diff --git a/Modem.cpp b/Modem.cpp index a5e58f8..30d355d 100644 --- a/Modem.cpp +++ b/Modem.cpp @@ -889,7 +889,7 @@ bool CModem::setConfig() buffer[0U] = MMDVM_FRAME_START; - buffer[1U] = 15U; + buffer[1U] = 16U; buffer[2U] = MMDVM_SET_CONFIG; diff --git a/P25Control.cpp b/P25Control.cpp new file mode 100644 index 0000000..1c4fd22 --- /dev/null +++ b/P25Control.cpp @@ -0,0 +1,268 @@ +/* +* Copyright (C) 2016 by Jonathan Naylor G4KLX +* +* 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 of the License, 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; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "P25Control.h" +#include "P25Defines.h" +#include "Sync.h" +#include "Log.h" + +#include +#include + +const unsigned char BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U}; + +#define WRITE_BIT(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7]) +#define READ_BIT(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7]) + +CP25Control::CP25Control(unsigned int id, CDisplay* display, unsigned int timeout, bool duplex, int rssiMultiplier, int rssiOffset) : +m_id(id), +m_display(display), +m_duplex(duplex), +m_rssiMultiplier(rssiMultiplier), +m_rssiOffset(rssiOffset), +m_queue(1000U, "P25 Control"), +m_rfState(RS_RF_LISTENING), +m_netState(RS_NET_IDLE), +m_rfTimeout(1000U, timeout), +m_netTimeout(1000U, timeout), +m_rfFrames(0U), +m_rfBits(0U), +m_rfErrs(0U) +{ + assert(display != NULL); +} + +CP25Control::~CP25Control() +{ +} + +bool CP25Control::writeModem(unsigned char* data, unsigned int len) +{ + assert(data != NULL); + + bool sync = data[1U] == 0x01U; + + if (data[0U] == TAG_LOST && m_rfState == RS_RF_LISTENING) + return false; + + if (data[0U] == TAG_LOST) { + LogMessage("P25, transmission lost, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 5.56F, float(m_rfErrs * 100U) / float(m_rfBits)); + m_rfState = RS_RF_LISTENING; + m_rfTimeout.stop(); + return false; + } + + if (!sync && m_rfState == RS_RF_LISTENING) + return false; + + // Put into the NID decoder + unsigned char duid = 0U; // XXX + + if (data[0U] == TAG_HEADER) { + // Regenerate Sync + CSync::addP25Sync(data + 2U); + + // Regenerate NID + + // Regenerate Enc Data + + // Add busy bits + addBusyBits(data + 2U, P25_HDR_FRAME_LENGTH_BITS, false, true); + + m_rfFrames = 0U; + m_rfErrs = 0U; + m_rfBits = 1U; + m_rfTimeout.start(); + + if (m_duplex) { + data[0U] = TAG_HEADER; + data[1U] = 0x00U; + writeQueueRF(data, P25_HDR_FRAME_LENGTH_BYTES + 2U); + } + + LogMessage("P25, received RF header"); + } else if (duid == P25_DUID_LDU1) { + if (m_rfState == RS_RF_LISTENING) { + m_rfFrames = 0U; + m_rfErrs = 0U; + m_rfBits = 1U; + m_rfTimeout.start(); + // Decode LDU1 + } + + // Regenerate Sync + CSync::addP25Sync(data + 2U); + + // Regenerate NID + + // Regenerate LDU1 Data + + // Regenerate Audio + unsigned int errors = 0U; // XXX + LogDebug("P25, LDU1 audio, errs: %u/1233", errors); + + m_rfBits += 1233U; + m_rfErrs += errors; + m_rfFrames++; + + // Add busy bits + addBusyBits(data + 2U, P25_LDU_FRAME_LENGTH_BITS, false, true); + + if (m_duplex) { + data[0U] = TAG_DATA; + data[1U] = 0x00U; + writeQueueRF(data, P25_LDU_FRAME_LENGTH_BYTES + 2U); + } + + if (m_rfState == RS_RF_LISTENING) { + // LogMessage("P25, received RF LC from %8.8s/%4.4s to %8.8s", my1, my2, your); + m_rfState = RS_RF_AUDIO; + } + } else if (duid == P25_DUID_LDU2) { + if (m_rfState == RS_RF_LISTENING) + return false; + + // Decode LDU2 + + // Regenerate Sync + CSync::addP25Sync(data + 2U); + + // Regenerate NID + + // Regenerate LDU2 Data + + // Regenerate Audio + unsigned int errors = 0U; // XXX + LogDebug("P25, LDU2 audio, errs: %u/1233", errors); + + m_rfBits += 1233U; + m_rfErrs += errors; + m_rfFrames++; + + // Add busy bits + addBusyBits(data + 2U, P25_LDU_FRAME_LENGTH_BITS, false, true); + + if (m_duplex) { + data[0U] = TAG_DATA; + data[1U] = 0x00U; + writeQueueRF(data, P25_LDU_FRAME_LENGTH_BYTES + 2U); + } + } else if (duid == P25_DUID_TERM_LC) { + if (m_rfState == RS_RF_LISTENING) + return false; + + // Regenerate Sync + CSync::addP25Sync(data + 2U); + + // Regenerate NID + + // Regenerate LDU1 Data + + // Add busy bits + addBusyBits(data + 2U, P25_TERMLC_FRAME_LENGTH_BITS, false, true); + + m_rfState = RS_RF_LISTENING; + m_rfTimeout.stop(); + + LogMessage("P25, received RF end of transmission, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 5.56F, float(m_rfErrs * 100U) / float(m_rfBits)); + + if (m_duplex) { + data[0U] = TAG_EOT; + data[1U] = 0x00U; + writeQueueRF(data, P25_TERMLC_FRAME_LENGTH_BYTES + 2U); + } + } else if (duid == P25_DUID_TERM) { + if (m_rfState == RS_RF_LISTENING) + return false; + + // Regenerate Sync + CSync::addP25Sync(data + 2U); + + // Regenerate NID + + // Add busy bits + addBusyBits(data + 2U, P25_TERM_FRAME_LENGTH_BITS, false, true); + + m_rfState = RS_RF_LISTENING; + m_rfTimeout.stop(); + + LogMessage("P25, received RF end of transmission, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 5.56F, float(m_rfErrs * 100U) / float(m_rfBits)); + + if (m_duplex) { + data[0U] = TAG_EOT; + data[1U] = 0x00U; + writeQueueRF(data, P25_TERM_FRAME_LENGTH_BYTES + 2U); + } + } else { + return false; + } + + return true; +} + +unsigned int CP25Control::readModem(unsigned char* data) +{ + assert(data != NULL); + + if (m_queue.isEmpty()) + return 0U; + + unsigned char len = 0U; + m_queue.getData(&len, 1U); + + m_queue.getData(data, len); + + return len; +} + +void CP25Control::clock(unsigned int ms) +{ + m_rfTimeout.clock(ms); + m_netTimeout.clock(ms); +} + +void CP25Control::writeQueueRF(const unsigned char* data, unsigned int length) +{ + assert(data != NULL); + + if (m_rfTimeout.isRunning() && m_rfTimeout.hasExpired()) + return; + + unsigned int space = m_queue.freeSpace(); + if (space < (length + 1U)) { + LogError("P25, overflow in the P25 RF queue"); + return; + } + + unsigned char len = length; + m_queue.addData(&len, 1U); + + m_queue.addData(data, len); +} + +void CP25Control::addBusyBits(unsigned char* data, unsigned int length, bool b1, bool b2) +{ + assert(data != NULL); + + for (unsigned int i = 0U; i < length; i++) { + if (i > 0U && (i % 70U) == 0U) + WRITE_BIT(data, i, b1); + if (i > 0U && (i % 71U) == 0U) + WRITE_BIT(data, i, b2); + } +} diff --git a/P25Control.h b/P25Control.h new file mode 100644 index 0000000..054e3d6 --- /dev/null +++ b/P25Control.h @@ -0,0 +1,58 @@ +/* +* Copyright (C) 2016 by Jonathan Naylor G4KLX +* +* 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 of the License, 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; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#if !defined(P25Control_H) +#define P25Control_H + +#include "RingBuffer.h" +#include "Defines.h" +#include "Display.h" +#include "Modem.h" +#include "Timer.h" + +class CP25Control { +public: + CP25Control(unsigned int id, CDisplay* display, unsigned int timeout, bool duplex, int rssiMultiplier, int rssiOffset); + ~CP25Control(); + + bool writeModem(unsigned char* data, unsigned int len); + + unsigned int readModem(unsigned char* data); + + void clock(unsigned int ms); + +private: + unsigned int m_id; + CDisplay* m_display; + bool m_duplex; + int m_rssiMultiplier; + int m_rssiOffset; + CRingBuffer m_queue; + RPT_RF_STATE m_rfState; + RPT_NET_STATE m_netState; + CTimer m_rfTimeout; + CTimer m_netTimeout; + unsigned int m_rfFrames; + unsigned int m_rfBits; + unsigned int m_rfErrs; + + void writeQueueRF(const unsigned char* data, unsigned int length); + void addBusyBits(unsigned char* data, unsigned int length, bool b1, bool b2); +}; + +#endif diff --git a/P25Defines.h b/P25Defines.h index 21ce64d..1c971cf 100644 --- a/P25Defines.h +++ b/P25Defines.h @@ -20,8 +20,16 @@ #define P25DEFINES_H const unsigned int P25_HDR_FRAME_LENGTH_BYTES = 99U; +const unsigned int P25_HDR_FRAME_LENGTH_BITS = P25_HDR_FRAME_LENGTH_BYTES * 8U; const unsigned int P25_LDU_FRAME_LENGTH_BYTES = 216U; +const unsigned int P25_LDU_FRAME_LENGTH_BITS = P25_LDU_FRAME_LENGTH_BYTES * 8U; + +const unsigned int P25_TERM_FRAME_LENGTH_BYTES = 18U; +const unsigned int P25_TERM_FRAME_LENGTH_BITS = P25_TERM_FRAME_LENGTH_BYTES * 8U; + +const unsigned int P25_TERMLC_FRAME_LENGTH_BYTES = 54U; +const unsigned int P25_TERMLC_FRAME_LENGTH_BITS = P25_TERMLC_FRAME_LENGTH_BYTES * 8U; const unsigned int P25_SYNC_LENGTH_BYTES = 6U; const unsigned int P25_NID_LENGTH_BYTES = 8U; @@ -29,5 +37,12 @@ const unsigned int P25_NID_LENGTH_BYTES = 8U; const unsigned char P25_SYNC_BYTES[] = {0x55U, 0x75U, 0xF5U, 0xFFU, 0x77U, 0xFFU}; const unsigned char P25_SYNC_BYTES_LENGTH = 6U; +const unsigned char P25_DUID_HEADER = 0x00U; +const unsigned char P25_DUID_TERM = 0x03U; +const unsigned char P25_DUID_LDU1 = 0x05U; +const unsigned char P25_DUID_LDU2 = 0x09U; +const unsigned char P25_DUID_PDU = 0x0CU; +const unsigned char P25_DUID_TERM_LC = 0x0FU; + #endif