Roll back some of recent changes.

M17Defines.h

@@ -29,13 +29,13 @@ const unsigned int M17_SYNC_LENGTH_BYTES   = M17_SYNC_LENGTH_BITS / 8U;
 
 const uint8_t M17_LINK_SETUP_SYNC_BYTES[] = {0x55U, 0xF7U};
 const uint8_t M17_STREAM_SYNC_BYTES[]     = {0xFFU, 0x5DU};
-const uint8_t M17_EOF_SYNC_BYTES[]        = {0x55U, 0x5DU};
+const uint8_t M17_EOT_SYNC_BYTES[]        = {0x55U, 0x5DU};
 
 const uint8_t M17_SYNC_BYTES_LENGTH = 2U;
 
 const uint16_t M17_LINK_SETUP_SYNC_BITS = 0x55F7U;
 const uint16_t M17_STREAM_SYNC_BITS     = 0xFF5DU;
-const uint16_t M17_EOF_SYNC_BITS        = 0x555DU;
+const uint16_t M17_EOT_SYNC_BITS        = 0x555DU;
 
 #endif
 

M17RX.cpp

@@ -110,6 +110,14 @@ void CM17RX::processData(bool bit)
 
   // Only search for the syncs in the right place +-2 symbols
   if (m_bufferPtr >= (M17_SYNC_LENGTH_BITS - 2U) && m_bufferPtr <= (M17_SYNC_LENGTH_BITS + 2U)) {
+    // Fuzzy matching of the link setup sync bit sequence
+    if (countBits16(m_bitBuffer ^ M17_LINK_SETUP_SYNC_BITS) <= MAX_SYNC_BIT_RUN_ERRS) {
+      DEBUG2("M17RX: found link setup sync, pos", m_bufferPtr - M17_SYNC_LENGTH_BITS);
+      m_lostCount = MAX_SYNC_FRAMES;
+      m_bufferPtr = M17_SYNC_LENGTH_BITS;
+      m_state     = M17RXS_LINK_SETUP;
+    }
+
     // Fuzzy matching of the stream sync bit sequence
     if (countBits16(m_bitBuffer ^ M17_STREAM_SYNC_BITS) <= MAX_SYNC_BIT_RUN_ERRS) {
       DEBUG2("M17RX: found stream sync, pos", m_bufferPtr - M17_SYNC_LENGTH_BITS);
@@ -118,12 +126,13 @@ void CM17RX::processData(bool bit)
       m_state     = M17RXS_STREAM;
     }
 
-    // Fuzzy matching of the eof sync bit sequence
-    if (countBits16(m_bitBuffer ^ M17_EOF_SYNC_BITS) <= MAX_SYNC_BIT_RUN_ERRS) {
-      DEBUG2("M17RX: found eof sync, pos", m_bufferPtr - M17_SYNC_LENGTH_BITS);
+    // Fuzzy matching of the EOT sync bit sequence
+    if (countBits16(m_bitBuffer ^ M17_EOT_SYNC_BITS) <= MAX_SYNC_BIT_RUN_ERRS) {
+      DEBUG2("M17RX: found eot sync, pos", m_bufferPtr - M17_SYNC_LENGTH_BITS);
       io.setDecode(false);
       serial.writeM17EOT();
       reset();
+      return;
     }
   }
 
@@ -138,8 +147,7 @@ void CM17RX::processData(bool bit)
       reset();
     } else {
       // Write data to host
-      m_outBuffer[0U]  = 0x00U;	// Stream data
-      m_outBuffer[0U] |= m_lostCount == (MAX_SYNC_FRAMES - 1U) ? 0x01U : 0x00U;
+      m_outBuffer[0U] = m_lostCount == (MAX_SYNC_FRAMES - 1U) ? 0x01U : 0x00U;
 
       switch (m_state) {
         case M17RXS_LINK_SETUP:

M17TX.cpp

@@ -116,11 +116,11 @@ uint8_t CM17TX::writeEOT()
 {
 /*
   uint16_t space = m_buffer.getSpace();
-  if (space < M17_SYNC_LENGTH_BYTES)
+  if (space < M17_FRAME_LENGTH_BYTES)
     return 5U;
 
   for (uint8_t i = 0U; i < M17_SYNC_LENGTH_BYTES; i++)
-    m_buffer.put(M17_EOF_SYNC_BYTES[i]);
+    m_buffer.put(M17_EOT_SYNC_BYTES[i]);
 */
   return 0U;
 }

version.h

@@ -26,7 +26,7 @@
 #define VER_MAJOR       "1"
 #define VER_MINOR       "5"
 #define VER_REV         "2"
-#define VERSION_DATE    "20210908"
+#define VERSION_DATE    "20210912"
 
 #if defined(ZUMSPOT_ADF7021)
 #define BOARD_INFO      "ZUMspot"