2016-09-14 06:41:37 +00:00
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/*
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2020-09-06 11:54:08 +00:00
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* Copyright (C) 2009-2014,2016,2019,2020 by Jonathan Naylor G4KLX
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2016-09-14 06:41:37 +00:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "P25Network.h"
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2016-09-22 18:39:19 +00:00
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#include "P25Defines.h"
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2016-09-14 06:41:37 +00:00
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#include "Defines.h"
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#include "Utils.h"
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#include "Log.h"
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#include <cstdio>
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#include <cassert>
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#include <cstring>
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2016-09-29 17:47:36 +00:00
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const unsigned char REC62[] = {
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2017-10-31 10:18:15 +00:00
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0x62U, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x12U, 0x64U, 0x00U, 0x00U, 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
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2017-10-30 13:45:59 +00:00
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0x00U, 0x00U, 0x00U, 0x00U, 0x00U};
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2016-11-01 19:01:37 +00:00
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const unsigned char REC63[] = {
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2017-10-30 12:23:49 +00:00
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0x63U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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2016-11-01 19:01:37 +00:00
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const unsigned char REC64[] = {
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0x64U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC65[] = {
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0x65U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC66[] = {
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0x66U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC67[] = {
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2017-10-31 10:18:15 +00:00
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0x67U, 0xF0U, 0x9DU, 0x6AU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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2016-11-01 19:01:37 +00:00
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const unsigned char REC68[] = {
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2017-10-31 10:18:15 +00:00
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0x68U, 0x19U, 0xD4U, 0x26U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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2016-11-01 19:01:37 +00:00
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const unsigned char REC69[] = {
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2017-10-31 10:18:15 +00:00
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0x69U, 0xE0U, 0xEBU, 0x7BU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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2016-11-01 19:01:37 +00:00
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const unsigned char REC6A[] = {
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2017-10-30 13:45:59 +00:00
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0x6AU, 0x00U, 0x00U, 0x02U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U};
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2016-09-29 17:47:36 +00:00
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const unsigned char REC6B[] = {
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2017-10-31 10:18:15 +00:00
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0x6BU, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x12U, 0x64U, 0x00U, 0x00U, 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
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2017-10-30 13:45:59 +00:00
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0x00U, 0x00U, 0x00U, 0x00U, 0x00U};
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2016-11-01 19:01:37 +00:00
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const unsigned char REC6C[] = {
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2017-10-30 12:23:49 +00:00
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0x6CU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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2016-11-01 19:01:37 +00:00
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const unsigned char REC6D[] = {
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0x6DU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC6E[] = {
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0x6EU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC6F[] = {
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0x6FU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC70[] = {
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0x70U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC71[] = {
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0x71U, 0xACU, 0xB8U, 0xA4U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC72[] = {
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0x72U, 0x9BU, 0xDCU, 0x75U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC73[] = {
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2017-10-30 13:45:59 +00:00
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0x73U, 0x00U, 0x00U, 0x02U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U};
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2016-11-01 19:01:37 +00:00
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const unsigned char REC80[] = {
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0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U};
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2016-09-21 06:51:13 +00:00
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2016-09-14 06:41:37 +00:00
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const unsigned int BUFFER_LENGTH = 100U;
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CP25Network::CP25Network(const std::string& gatewayAddress, unsigned int gatewayPort, unsigned int localPort, bool debug) :
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m_socket(localPort),
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2020-09-06 11:54:08 +00:00
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m_addr(),
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m_addrLen(0U),
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2016-09-14 06:41:37 +00:00
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m_debug(debug),
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m_enabled(false),
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2016-09-21 06:51:13 +00:00
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m_buffer(1000U, "P25 Network"),
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m_audio()
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2016-09-14 06:41:37 +00:00
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{
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2020-09-06 11:54:08 +00:00
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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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2016-09-14 06:41:37 +00:00
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}
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CP25Network::~CP25Network()
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{
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}
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bool CP25Network::open()
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{
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2020-09-06 11:54:08 +00:00
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if (m_addrLen == 0U) {
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LogError("Unable to resolve the address of the P25 Gateway");
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2016-09-14 06:41:37 +00:00
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return false;
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2020-09-06 11:54:08 +00:00
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}
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LogMessage("Opening P25 network connection");
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2016-09-14 06:41:37 +00:00
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2020-09-06 11:54:08 +00:00
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return m_socket.open(m_addr);
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2016-09-14 06:41:37 +00:00
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}
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2016-09-28 06:53:45 +00:00
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bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control, const CP25LowSpeedData& lsd, bool end)
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2016-09-15 19:28:56 +00:00
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{
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assert(ldu1 != NULL);
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2016-09-20 06:53:16 +00:00
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unsigned char buffer[22U];
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// The '62' record
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2016-09-29 17:47:36 +00:00
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::memcpy(buffer, REC62, 22U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 10U, 0U);
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2016-09-15 19:28:56 +00:00
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if (m_debug)
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2016-09-20 06:53:16 +00:00
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 22U);
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2016-09-15 19:28:56 +00:00
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2020-09-06 11:54:08 +00:00
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bool ret = m_socket.write(buffer, 22U, m_addr, m_addrLen);
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2016-09-20 06:53:16 +00:00
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if (!ret)
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return false;
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2016-09-21 06:51:13 +00:00
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// The '63' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC63, 14U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 1U, 1U);
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if (m_debug)
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2016-09-22 20:26:03 +00:00
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 14U);
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2016-09-21 06:51:13 +00:00
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 14U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '64' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC64, 17U);
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2016-09-22 18:39:19 +00:00
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buffer[1U] = control.getLCF();
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buffer[2U] = control.getMFId();
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 5U, 2U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '65' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC65, 17U);
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2016-09-22 18:39:19 +00:00
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unsigned int id = control.getDstId();
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buffer[1U] = (id >> 16) & 0xFFU;
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buffer[2U] = (id >> 8) & 0xFFU;
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buffer[3U] = (id >> 0) & 0xFFU;
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 5U, 3U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '66' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC66, 17U);
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2016-09-22 18:39:19 +00:00
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id = control.getSrcId();
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buffer[1U] = (id >> 16) & 0xFFU;
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buffer[2U] = (id >> 8) & 0xFFU;
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buffer[3U] = (id >> 0) & 0xFFU;
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 5U, 4U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '67' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC67, 17U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 5U, 5U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '68' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC68, 17U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 5U, 6U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '69' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC69, 17U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 5U, 7U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '6A' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC6A, 16U);
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2016-09-22 18:39:19 +00:00
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buffer[1U] = lsd.getLSD1();
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buffer[2U] = lsd.getLSD2();
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu1, buffer + 4U, 8U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 16U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 16U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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2016-11-01 19:01:37 +00:00
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if (end) {
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if (m_debug)
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CUtils::dump(1U, "P25 Network END Sent", REC80, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(REC80, 17U, m_addr, m_addrLen);
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2016-11-01 19:01:37 +00:00
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if (!ret)
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return false;
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}
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2016-09-15 19:28:56 +00:00
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return true;
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}
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2016-09-28 06:53:45 +00:00
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bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control, const CP25LowSpeedData& lsd, bool end)
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2016-09-14 06:41:37 +00:00
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{
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2016-09-15 19:28:56 +00:00
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assert(ldu2 != NULL);
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2016-09-20 06:53:16 +00:00
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unsigned char buffer[22U];
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// The '6B' record
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2016-09-29 17:47:36 +00:00
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::memcpy(buffer, REC6B, 22U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu2, buffer + 10U, 0U);
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2016-09-14 06:41:37 +00:00
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if (m_debug)
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2016-09-20 06:53:16 +00:00
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 22U);
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2016-09-14 06:41:37 +00:00
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2020-09-06 11:54:08 +00:00
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bool ret = m_socket.write(buffer, 22U, m_addr, m_addrLen);
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2016-09-20 06:53:16 +00:00
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if (!ret)
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return false;
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2016-09-21 06:51:13 +00:00
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// The '6C' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC6C, 14U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu2, buffer + 1U, 1U);
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2016-09-14 06:41:37 +00:00
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2016-09-21 06:51:13 +00:00
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if (m_debug)
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2016-09-22 20:26:03 +00:00
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 14U);
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2016-09-21 06:51:13 +00:00
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 14U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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2016-09-22 18:39:19 +00:00
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unsigned char mi[P25_MI_LENGTH_BYTES];
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control.getMI(mi);
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2016-09-21 06:51:13 +00:00
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// The '6D' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC6D, 17U);
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2016-09-22 18:39:19 +00:00
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buffer[1U] = mi[0U];
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buffer[2U] = mi[1U];
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buffer[3U] = mi[2U];
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu2, buffer + 5U, 2U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '6E' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC6E, 17U);
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2016-09-22 18:39:19 +00:00
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buffer[1U] = mi[3U];
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buffer[2U] = mi[4U];
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buffer[3U] = mi[5U];
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu2, buffer + 5U, 3U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '6F' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC6F, 17U);
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2016-09-22 18:39:19 +00:00
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buffer[1U] = mi[6U];
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buffer[2U] = mi[7U];
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buffer[3U] = mi[8U];
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu2, buffer + 5U, 4U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '70' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC70, 17U);
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2016-09-22 18:39:19 +00:00
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buffer[1U] = control.getAlgId();
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unsigned int id = control.getKId();
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buffer[2U] = (id >> 8) & 0xFFU;
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buffer[3U] = (id >> 0) & 0xFFU;
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu2, buffer + 5U, 5U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '71' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC71, 17U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu2, buffer + 5U, 6U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '72' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC72, 17U);
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2016-09-21 06:51:13 +00:00
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m_audio.decode(ldu2, buffer + 5U, 7U);
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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2020-09-06 11:54:08 +00:00
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ret = m_socket.write(buffer, 17U, m_addr, m_addrLen);
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2016-09-21 06:51:13 +00:00
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if (!ret)
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return false;
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// The '73' record
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2016-11-01 19:01:37 +00:00
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::memcpy(buffer, REC73, 16U);
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2016-09-22 18:39:19 +00:00
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buffer[1U] = lsd.getLSD1();
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buffer[2U] = lsd.getLSD2();
|
2016-09-21 06:51:13 +00:00
|
|
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m_audio.decode(ldu2, buffer + 4U, 8U);
|
2016-09-20 06:53:16 +00:00
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|
|
|
2016-09-21 06:51:13 +00:00
|
|
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if (m_debug)
|
|
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 16U);
|
|
|
|
|
2020-09-06 11:54:08 +00:00
|
|
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ret = m_socket.write(buffer, 16U, m_addr, m_addrLen);
|
2016-09-21 06:51:13 +00:00
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|
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if (!ret)
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return false;
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2016-09-20 06:53:16 +00:00
|
|
|
|
2016-11-01 19:01:37 +00:00
|
|
|
if (end) {
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|
|
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if (m_debug)
|
|
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CUtils::dump(1U, "P25 Network END Sent", REC80, 17U);
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|
|
|
|
2020-09-06 11:54:08 +00:00
|
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ret = m_socket.write(REC80, 17U, m_addr, m_addrLen);
|
2016-11-01 19:01:37 +00:00
|
|
|
if (!ret)
|
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return false;
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|
|
|
}
|
|
|
|
|
2016-09-14 06:41:37 +00:00
|
|
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return true;
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|
|
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}
|
|
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|
|
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void CP25Network::clock(unsigned int ms)
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|
|
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{
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|
|
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unsigned char buffer[BUFFER_LENGTH];
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|
|
2020-03-27 20:40:35 +00:00
|
|
|
sockaddr_storage address;
|
2020-09-06 11:54:08 +00:00
|
|
|
unsigned int addrLen;
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|
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int length = m_socket.read(buffer, BUFFER_LENGTH, address, addrLen);
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if (length <= 0)
|
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return;
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|
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|
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|
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if (!CUDPSocket::match(m_addr, address)) {
|
|
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|
LogMessage("P25, packet received from an invalid source");
|
2016-09-14 06:41:37 +00:00
|
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|
return;
|
2020-09-06 11:54:08 +00:00
|
|
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}
|
2016-09-14 06:41:37 +00:00
|
|
|
|
|
|
|
if (!m_enabled)
|
|
|
|
return;
|
|
|
|
|
2016-10-13 21:39:57 +00:00
|
|
|
if (m_debug)
|
2016-10-14 08:30:10 +00:00
|
|
|
CUtils::dump(1U, "P25 Network Data Received", buffer, length);
|
2016-10-13 21:39:57 +00:00
|
|
|
|
2016-09-20 06:53:16 +00:00
|
|
|
unsigned char c = length;
|
|
|
|
m_buffer.addData(&c, 1U);
|
|
|
|
|
|
|
|
m_buffer.addData(buffer, length);
|
2016-09-14 06:41:37 +00:00
|
|
|
}
|
|
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|
|
|
|
|
unsigned int CP25Network::read(unsigned char* data, unsigned int length)
|
|
|
|
{
|
|
|
|
assert(data != NULL);
|
|
|
|
|
|
|
|
if (m_buffer.isEmpty())
|
|
|
|
return 0U;
|
|
|
|
|
|
|
|
unsigned char c = 0U;
|
|
|
|
m_buffer.getData(&c, 1U);
|
|
|
|
|
|
|
|
assert(c <= length);
|
|
|
|
|
2016-09-20 06:53:16 +00:00
|
|
|
m_buffer.getData(data, c);
|
2016-09-14 06:41:37 +00:00
|
|
|
|
2016-09-20 06:53:16 +00:00
|
|
|
return c;
|
2016-09-14 06:41:37 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void CP25Network::close()
|
|
|
|
{
|
|
|
|
m_socket.close();
|
|
|
|
|
|
|
|
LogMessage("Closing P25 network connection");
|
|
|
|
}
|
|
|
|
|
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|
|
void CP25Network::enable(bool enabled)
|
|
|
|
{
|
2019-01-15 21:45:29 +00:00
|
|
|
if (!enabled && m_enabled)
|
|
|
|
m_buffer.clear();
|
|
|
|
|
2016-09-14 06:41:37 +00:00
|
|
|
m_enabled = enabled;
|
|
|
|
}
|