MMDVMHost-Private/DMRControl.cpp

151 lines
3.6 KiB
C++

/*
* Copyright (C) 2015,2016 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; version 2 of the License.
*
* 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.
*/
#include "DMRControl.h"
#include "Defines.h"
#include "DMRCSBK.h"
#include "Log.h"
#include <cstdio>
#include <cassert>
#include <algorithm>
CDMRControl::CDMRControl(unsigned int id, unsigned int colorCode, bool selfOnly, const std::vector<unsigned int>& prefixes, const std::vector<unsigned int>& blackList, unsigned int timeout, CModem* modem, CDMRIPSC* network, CDisplay* display, bool duplex, const std::string& lookupFile) :
m_id(id),
m_colorCode(colorCode),
m_selfOnly(selfOnly),
m_prefixes(prefixes),
m_blackList(blackList),
m_modem(modem),
m_network(network),
m_slot1(1U, timeout),
m_slot2(2U, timeout),
m_lookup(NULL)
{
assert(modem != NULL);
assert(display != NULL);
m_lookup = new CDMRLookup(lookupFile);
m_lookup->read();
CDMRSlot::init(id, colorCode, selfOnly, prefixes, blackList, modem, network, display, duplex, m_lookup);
}
CDMRControl::~CDMRControl()
{
}
bool CDMRControl::processWakeup(const unsigned char* data)
{
assert(data != NULL);
// Wakeups always come in on slot 1
if (data[0U] != TAG_DATA || data[1U] != (DMR_IDLE_RX | DMR_SYNC_DATA | DT_CSBK))
return false;
CDMRCSBK csbk;
bool valid = csbk.put(data + 2U);
if (!valid)
return false;
CSBKO csbko = csbk.getCSBKO();
if (csbko != CSBKO_BSDWNACT)
return false;
unsigned int srcId = csbk.getSrcId();
unsigned int bsId = csbk.getBSId();
std::string src = m_lookup->find(srcId);
if (m_selfOnly) {
if (srcId != m_id) {
LogMessage("Invalid CSBK BS_Dwn_Act received from %s", src.c_str());
return false;
}
} else {
if (std::find(m_blackList.begin(), m_blackList.end(), srcId) != m_blackList.end()) {
LogMessage("Invalid CSBK BS_Dwn_Act received from %s", src.c_str());
return false;
}
unsigned int prefix = srcId / 10000U;
if (prefix == 0U || prefix > 999U) {
LogMessage("Invalid CSBK BS_Dwn_Act received from %s", src.c_str());
return false;
}
if (m_prefixes.size() > 0U) {
if (std::find(m_prefixes.begin(), m_prefixes.end(), prefix) == m_prefixes.end()) {
LogMessage("Invalid CSBK BS_Dwn_Act received from %s", src.c_str());
return false;
}
}
}
if (bsId == 0xFFFFFFU) {
LogMessage("CSBK BS_Dwn_Act for ANY received from %s", src.c_str());
return true;
} else if (bsId == m_id) {
LogMessage("CSBK BS_Dwn_Act for %u received from %s", bsId, src.c_str());
return true;
}
return false;
}
void CDMRControl::writeModemSlot1(unsigned char *data)
{
assert(data != NULL);
m_slot1.writeModem(data);
}
void CDMRControl::writeModemSlot2(unsigned char *data)
{
assert(data != NULL);
m_slot2.writeModem(data);
}
unsigned int CDMRControl::readModemSlot1(unsigned char *data)
{
assert(data != NULL);
return m_slot1.readModem(data);
}
unsigned int CDMRControl::readModemSlot2(unsigned char *data)
{
assert(data != NULL);
return m_slot2.readModem(data);
}
void CDMRControl::clock()
{
if (m_network != NULL) {
CDMRData data;
bool ret = m_network->read(data);
if (ret) {
unsigned int slotNo = data.getSlotNo();
switch (slotNo) {
case 1U: m_slot1.writeNetwork(data); break;
case 2U: m_slot2.writeNetwork(data); break;
default: LogError("Invalid slot no %u", slotNo); break;
}
}
}
m_slot1.clock();
m_slot2.clock();
}