added dual-rtlsdr flowgraph, increased corrected max corrected burst error length to 8

9 years ago · 9df0c40f58
3 changed files with 6945 additions and 16 deletions
--- a/apps/fft-multi-decoder_fixed_dual-rtlsdr.grc
+++ b/apps/fft-multi-decoder_fixed_dual-rtlsdr.grc
--- a/apps/ifft-RDS-decoder_hier-block.grc
+++ b/apps/ifft-RDS-decoder_hier-block.grc
@ -1856,7 +1856,7 @@
    </param>
    <param>
      <key>_coordinate</key>
-      <value>(1040, 44)</value>
+      <value>(1056, 100)</value>
    </param>
    <param>
      <key>_rotation</key>
@ -2078,6 +2078,14 @@
      <key>comment</key>
      <value></value>
    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>debug</key>
+      <value>False</value>
+    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
@ -2095,16 +2103,16 @@
      <value>multirds_pilot_SNR_0</value>
    </param>
    <param>
-      <key>affinity</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
    </param>
    <param>
-      <key>carrier_freq</key>
-      <value>19e3</value>
+      <key>minoutbuf</key>
+      <value>0</value>
    </param>
    <param>
-      <key>debug</key>
-      <value>False</value>
+      <key>carrier_freq</key>
+      <value>19e3</value>
    </param>
    <param>
      <key>fft_len</key>
@ -2114,14 +2122,6 @@
      <key>gap_width</key>
      <value>4e3</value>
    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
    <param>
      <key>msg_adr</key>
      <value>3</value>
--- a/lib/rds_decoder_redsea_impl.cc
+++ b/lib/rds_decoder_redsea_impl.cc
@ -136,7 +136,7 @@ static const char * const offset_name[]={"A","B","C","D","c"};*/
    // bits."
    // Kopitz & Marks 1999: "RDS: The Radio Data System", p. 224
    //for (uint32_t e=0x1;e <= 0x3;e+=0x2) {//for (uint32_t e : {0x1, 0x3}) {
-    for (uint32_t e : {0x1, 0x3, 0x7,0x15,0x31}) {//0x1, 0x3, 0x7,0x15,0x31
+    for (uint32_t e : {0x1, 0x3, 0x7,0x15,0x31,0x63,0x127,0x255}) {//fix up to 8 bit burst errors
      for (int shift=0; shift < 26; shift++) {
        uint32_t errvec = ((e << shift) & kBitmask26);
        uint16_t sy = calc_syndrome(errvec ^ offset_word[offset_num],26);