Alter and clean up the P25 network protocol.
This commit is contained in:
parent
18acbfe8f1
commit
2ac7e43929
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@ -391,6 +391,9 @@ void CP25Control::writeNetwork()
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}
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createNetLDU2();
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break;
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case 0x80U:
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createNetTerminator();
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break;
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default:
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break;
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}
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@ -715,10 +718,6 @@ void CP25Control::createNetLDU1()
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writeQueueNet(buffer, P25_LDU_FRAME_LENGTH_BYTES + 2U);
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// Check for an end of stream marker
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if (m_netLDU1[200U] == 0x6AU && m_netLDU1[215U] == 0x00U)
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createNetTerminator();
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::memset(m_netLDU1, 0x00U, 9U * 25U);
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m_netFrames += 9U;
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@ -764,10 +763,6 @@ void CP25Control::createNetLDU2()
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writeQueueNet(buffer, P25_LDU_FRAME_LENGTH_BYTES + 2U);
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// Check for an end of stream marker
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if (m_netLDU2[200U] == 0x73U && m_netLDU2[215U] == 0x00U)
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createNetTerminator();
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::memset(m_netLDU2, 0x00U, 9U * 25U);
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m_netFrames += 9U;
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159
P25Network.cpp
159
P25Network.cpp
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@ -27,12 +27,63 @@
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#include <cstring>
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const unsigned char REC62[] = {
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0x62U, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x35U, 0xA3U, 0x1AU, 0x65U, 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
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0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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0x62U, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x1BU, 0x5AU, 0x1AU, 0x2BU, 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
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0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC63[] = {
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0x63U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x7AU};
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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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0x67U, 0xC4U, 0x52U, 0x9BU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC68[] = {
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0x68U, 0x9AU, 0xECU, 0xBAU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC69[] = {
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0x69U, 0xB9U, 0xD8U, 0x16U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC6A[] = {
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0x6AU, 0x00U, 0x00U, 0x06U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC6B[] = {
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0x6BU, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x35U, 0xA3U, 0x1AU, 0x64U, 0x9CU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
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0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
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0x6BU, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x1BU, 0x5AU, 0x1AU, 0x2BU, 0xACU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U,
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0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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const unsigned char REC6C[] = {
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0x6CU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0xD6U};
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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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0x73U, 0x00U, 0x00U, 0x06U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U};
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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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const unsigned int BUFFER_LENGTH = 100U;
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@ -80,10 +131,8 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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return false;
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// The '63' record
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::memset(buffer, 0x00U, 14U);
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buffer[0U] = 0x63U;
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::memcpy(buffer, REC63, 14U);
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m_audio.decode(ldu1, buffer + 1U, 1U);
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buffer[13U] = 0x7AU;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 14U);
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@ -93,12 +142,10 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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return false;
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// The '64' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x64U;
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::memcpy(buffer, REC64, 17U);
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buffer[1U] = control.getLCF();
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buffer[2U] = control.getMFId();
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m_audio.decode(ldu1, buffer + 5U, 2U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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@ -108,14 +155,12 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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return false;
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// The '65' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x65U;
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::memcpy(buffer, REC65, 17U);
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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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m_audio.decode(ldu1, buffer + 5U, 3U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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@ -125,14 +170,12 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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return false;
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// The '66' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x66U;
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::memcpy(buffer, REC66, 17U);
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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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m_audio.decode(ldu1, buffer + 5U, 4U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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@ -142,13 +185,8 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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return false;
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// The '67' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x67U;
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buffer[1U] = 0x28U; // XXX ???
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buffer[2U] = 0xD6U; // XXX ???
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buffer[3U] = 0x58U; // XXX ???
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::memcpy(buffer, REC67, 17U);
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m_audio.decode(ldu1, buffer + 5U, 5U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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@ -158,13 +196,8 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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return false;
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// The '68' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x68U;
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buffer[1U] = 0xA0U; // XXX ???
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buffer[2U] = 0x81U; // XXX ???
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buffer[3U] = 0x9CU; // XXX ???
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::memcpy(buffer, REC68, 17U);
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m_audio.decode(ldu1, buffer + 5U, 6U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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@ -174,13 +207,8 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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return false;
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// The '69' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x69U;
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buffer[1U] = 0x0EU; // XXX ???
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buffer[2U] = 0x74U; // XXX ???
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buffer[3U] = 0xBCU; // XXX ???
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::memcpy(buffer, REC69, 17U);
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m_audio.decode(ldu1, buffer + 5U, 7U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 17U);
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@ -190,13 +218,10 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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return false;
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// The '6A' record
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::memset(buffer, 0x00U, 16U);
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buffer[0U] = 0x6AU;
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::memcpy(buffer, REC6A, 16U);
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buffer[1U] = lsd.getLSD1();
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buffer[2U] = lsd.getLSD2();
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buffer[3U] = 0x0EU; // XXX ???
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m_audio.decode(ldu1, buffer + 4U, 8U);
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buffer[15U] = end ? 0x00U : 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU1 Sent", buffer, 16U);
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@ -205,6 +230,15 @@ bool CP25Network::writeLDU1(const unsigned char* ldu1, const CP25Data& control,
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if (!ret)
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return false;
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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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ret = m_socket.write(REC80, 17U, m_address, m_port);
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if (!ret)
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return false;
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}
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return true;
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}
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@ -226,11 +260,8 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
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return false;
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// The '6C' record
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::memset(buffer, 0x00U, 14U);
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buffer[0U] = 0x6CU;
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::memcpy(buffer, REC6C, 14U);
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m_audio.decode(ldu2, buffer + 1U, 1U);
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buffer[12U] = 0x02U;
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buffer[13U] = 0xF6U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 14U);
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@ -243,13 +274,11 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
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control.getMI(mi);
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// The '6D' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x6DU;
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::memcpy(buffer, REC6D, 17U);
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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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m_audio.decode(ldu2, buffer + 5U, 2U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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@ -259,13 +288,11 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
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return false;
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// The '6E' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x6EU;
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::memcpy(buffer, REC6E, 17U);
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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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m_audio.decode(ldu2, buffer + 5U, 3U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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@ -275,13 +302,11 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
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return false;
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// The '6F' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x6FU;
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::memcpy(buffer, REC6F, 17U);
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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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m_audio.decode(ldu2, buffer + 5U, 4U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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@ -291,14 +316,12 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
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return false;
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// The '70' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x70U;
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::memcpy(buffer, REC70, 17U);
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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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m_audio.decode(ldu2, buffer + 5U, 5U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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@ -308,13 +331,8 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
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return false;
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// The '71' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x71U;
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buffer[1U] = 0xACU; // XXX ???
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buffer[2U] = 0xB8U; // XXX ???
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buffer[3U] = 0xA4U; // XXX ???
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::memcpy(buffer, REC71, 17U);
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m_audio.decode(ldu2, buffer + 5U, 6U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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@ -324,13 +342,8 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
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return false;
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// The '72' record
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::memset(buffer, 0x00U, 17U);
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buffer[0U] = 0x72U;
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buffer[1U] = 0x9BU; // XXX ???
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buffer[2U] = 0xDCU; // XXX ???
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buffer[3U] = 0x75U; // XXX ???
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::memcpy(buffer, REC72, 17U);
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m_audio.decode(ldu2, buffer + 5U, 7U);
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buffer[16U] = 0x02U;
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if (m_debug)
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CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 17U);
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@ -340,13 +353,10 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
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return false;
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|
||||
// The '73' record
|
||||
::memset(buffer, 0x00U, 16U);
|
||||
buffer[0U] = 0x73U;
|
||||
::memcpy(buffer, REC73, 16U);
|
||||
buffer[1U] = lsd.getLSD1();
|
||||
buffer[2U] = lsd.getLSD2();
|
||||
buffer[3U] = 0x06U; // XXX ???
|
||||
m_audio.decode(ldu2, buffer + 4U, 8U);
|
||||
buffer[15U] = end ? 0x00U : 0x02U;
|
||||
|
||||
if (m_debug)
|
||||
CUtils::dump(1U, "P25 Network LDU2 Sent", buffer, 16U);
|
||||
|
@ -355,6 +365,15 @@ bool CP25Network::writeLDU2(const unsigned char* ldu2, const CP25Data& control,
|
|||
if (!ret)
|
||||
return false;
|
||||
|
||||
if (end) {
|
||||
if (m_debug)
|
||||
CUtils::dump(1U, "P25 Network END Sent", REC80, 17U);
|
||||
|
||||
ret = m_socket.write(REC80, 17U, m_address, m_port);
|
||||
if (!ret)
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue