Fix for missing POCSAG start tone

MMDVM_HS.cpp

@@ -120,7 +120,7 @@ void loop()
   if (m_nxdnEnable && m_modemState == STATE_NXDN)
     nxdnTX.process();
 
-  if (m_pocsagEnable && m_modemState == STATE_POCSAG)
+  if (m_pocsagEnable && (m_modemState == STATE_POCSAG || pocsagTX.busy()))
     pocsagTX.process();
 
   if (m_calState == STATE_DMRCAL || m_calState == STATE_DMRDMO1K)

MMDVM_HS.ino

@@ -115,7 +115,7 @@ void loop()
   if (m_nxdnEnable && m_modemState == STATE_NXDN)
     nxdnTX.process();
 
-  if (m_pocsagEnable && m_modemState == STATE_POCSAG)
+  if (m_pocsagEnable && (m_modemState == STATE_POCSAG || pocsagTX.busy()))
     pocsagTX.process();
 
   if (m_calState == STATE_DMRCAL || m_calState == STATE_DMRDMO1K)

POCSAGTX.cpp

@@ -70,6 +70,14 @@ void CPOCSAGTX::process()
   }
 }
 
+bool CPOCSAGTX::busy()
+{
+  if (m_poLen > 0U)
+    return true;
+  else
+    return false;
+}
+
 uint8_t CPOCSAGTX::writeData(const uint8_t* data, uint8_t length)
 {
   if (length != POCSAG_FRAME_LENGTH_BYTES)

POCSAGTX.h

@@ -32,6 +32,8 @@ public:
 
   void process();
 
+  bool busy();
+
 private:
   CSerialRB        m_buffer;
   uint8_t          m_poBuffer[200U];