Fix RT refresh

src/TEF6686.cpp

@@ -298,6 +298,8 @@ bool TEF6686::readRDS(bool showrdserrors)
           }
 
           if (ps_process == 2) {
+            for (int i = 0; i < 9; i++) rds.PStext[i] = 0;
+            rds.stationName = "";
             RDScharConverter(ps_buffer, rds.PStext, sizeof(rds.PStext) / sizeof(wchar_t));
             rds.stationName = convertToUTF8(rds.PStext);
 
@@ -364,6 +366,7 @@ bool TEF6686::readRDS(bool showrdserrors)
             offsetold = 0;
             rds.stationText = "";
             if (rt_timer == 64) {
+              for (int i = 0; i < 65; i++) rds.RTtext[i] = 0;
               RDScharConverter(stationTextBuffer, rds.RTtext, sizeof(rds.RTtext) / sizeof(wchar_t));
               rds.stationText = convertToUTF8(rds.RTtext);
             }
@@ -395,6 +398,8 @@ bool TEF6686::readRDS(bool showrdserrors)
               strcpy(stationTextBuffer, rt_buffer);
               for (int i = 0; i < 64; i++)  stationTextBuffer[i] = stationTextBuffer[i];
               if (rt_timer < 64) {
+                rds.stationText = "";
+                for (int i = 0; i < 65; i++) rds.RTtext[i] = 0;
                 RDScharConverter(stationTextBuffer, rds.RTtext, sizeof(rds.RTtext) / sizeof(wchar_t));
                 rds.stationText = convertToUTF8(rds.RTtext);
                 rt_timer++;
@@ -534,11 +539,12 @@ void TEF6686::clearRDS (bool fullsearchrds)
   rds.stationName = "";
   rds.stationText = "";
   for (i = 0; i < 9; i++) {
-//    rds.stationName[i] = 0;
+    rds.PStext[i] = 0;
     ps_buffer[i] = 0;
   }
   for (i = 0; i < 65; i++) {
     stationTextBuffer[i] = 0;
+    rds.RTtext[i] = 0;
     rt_buffer[i] = 0;
     rt_buffer2[i] = 0;
   }
@@ -585,6 +591,7 @@ void TEF6686::clearRDS (bool fullsearchrds)
   ps_process = 1;
   af_counter = 0;
   rt_timer = 0;
+  rds.rdsreset = true;
 }
 
 void TEF6686::tone(uint16_t time, int16_t amplitude, uint16_t frequency) {

src/TEF6686.h

@@ -171,6 +171,7 @@ typedef struct _rds_ {
   bool correct;
   bool correctPI;
   bool underscore;
+  bool rdsreset;
 } rds_;
 
 typedef struct _af_ {