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Handle talk permit tone P25_LCF_GROUP.

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This commit is contained in:
radongc 2026-02-20 15:00:39 -05:00
parent eda98ae163
commit e68ab470ed
2 changed files with 46 additions and 0 deletions
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10
P25Data.cpp
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@ -387,6 +387,11 @@ bool CP25Data::decodeTSDU(const unsigned char* data)
tsbkValue = (tsbkValue << 8) + tsbk[9U];
switch (m_lcf) {
case P25_LCF_GROUP:
m_emergency = ((tsbkValue >> 63) & 0x01U) == 0x01U; // Emergency flag (bit 63)
m_dstId = (unsigned int)((tsbkValue >> 24) & 0xFFFFU); // Group Address (16 bits)
m_srcId = (unsigned int)(tsbkValue & 0xFFFFFFU); // Source Radio Address (24 bits)
break;
case P25_LCF_TSBK_CALL_ALERT:
m_dstId = (unsigned int)((tsbkValue >> 24) & 0xFFFFFFU); // Target Radio Address
m_srcId = (unsigned int)(tsbkValue & 0xFFFFFFU); // Source Radio Address
@ -418,6 +423,11 @@ void CP25Data::encodeTSDU(unsigned char* data)
tsbk[1U] = m_mfId;
switch (m_lcf) {
case P25_LCF_GROUP:
tsbkValue = (unsigned long long)(m_serviceType & 0xFFU); // Service Options (8 bits)
tsbkValue = (tsbkValue << 16) + 0U; // Channel ID/Number (16 bits) - 0 for conventional
tsbkValue = (tsbkValue << 16) + (m_dstId & 0xFFFFU); // Group Address (16 bits)
tsbkValue = (tsbkValue << 24) + (m_srcId & 0xFFFFFFU); // Source Radio Address (24 bits)
case P25_LCF_TSBK_CALL_ALERT:
tsbkValue = 0U;
tsbkValue = (tsbkValue << 16) + 0U;