Allow for sync-less data frames.

DMRSlotRX.h

@@ -22,6 +22,12 @@
 #include "Config.h"
 #include "DMRDefines.h"
 
+enum DMRSRXS {
+  DMRSRXS_NONE,
+  DMRSRXS_VOICE,
+  DMRSRXS_DATA
+};
+
 class CDMRSlotRX {
 public:
   CDMRSlotRX(bool slot);
@@ -49,6 +55,7 @@ private:
   uint8_t  m_syncCount;
   uint8_t  m_colorCode;
   uint8_t  m_n;
+  DMRSRXS  m_state;
 
   void    correlateSync(q15_t sample);
   void    samplesToBits(uint16_t start, uint8_t count, uint8_t* buffer, uint16_t offset, q15_t centre, q15_t threshold);