Add support for legacy RDS message

kkonradpl · Jul 6, 2024 · b9d3653 · b9d3653
1 parent 6833952
commit b9d3653
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Showing 3 changed files with 24 additions and 0 deletions.
diff --git a/Config.hpp b/Config.hpp
@@ -12,6 +12,13 @@
 /* Enable only on Arduino boards modified to 3.3V operation
    For 5V boards use external 10 kΩ pull-ups from SDA and SCL to 3.3V */
 #define TUNER_AVR_PULLUP false
+
+/* Legacy RDS message (R) in the communication protocol */
+/* Keep enabled for pre-v1.2 XDR-GTK compability. New message additionaly
+   contains the first block (PI code), which is useful for direct
+   passthrough to RDS Spy. When using the legacy message, the first block
+   is reconstructed from the buffered PI code message (P) for RDS Spy. */
+#define TUNER_LEGACY_RDS_MSG true
 /* ----------------------------------------------------------------------- */
 
 

diff --git a/presets/tef-headless/Config.hpp b/presets/tef-headless/Config.hpp
@@ -12,6 +12,13 @@
 /* Enable only on Arduino boards modified to 3.3V operation
    For 5V boards use external 10 kΩ pull-ups from SDA and SCL to 3.3V */
 #define TUNER_AVR_PULLUP false
+
+/* Legacy RDS message (R) in the communication protocol */
+/* Keep enabled for pre-v1.2 XDR-GTK compability. New message additionaly
+   contains the first block (PI code), which is useful for direct
+   passthrough to RDS Spy. When using the legacy message, the first block
+   is reconstructed from the buffered PI code message (P) for RDS Spy. */
+#define TUNER_LEGACY_RDS_MSG true
 /* ----------------------------------------------------------------------- */
 
 

diff --git a/src/Controllers/Tuner/Tuner.cpp b/src/Controllers/Tuner/Tuner.cpp
@@ -168,11 +168,21 @@ Tuner::handleRds()
     if (this->driver.rdsBuffer.get(&rdsData, &rdsStatus))
     {
         Comm.print('R');
+#if TUNER_LEGACY_RDS_MSG == false
         Utils::serialHex16(rdsData[0]);
+#endif
         Utils::serialHex16(rdsData[1]);
         Utils::serialHex16(rdsData[2]);
         Utils::serialHex16(rdsData[3]);
+#if TUNER_LEGACY_RDS_MSG == false
         Utils::serialHex8(rdsStatus);
+#else
+        uint8_t legacyStatus = 0;
+        legacyStatus |= (rdsStatus & B00110000) >> 4;
+        legacyStatus |= (rdsStatus & B00001100);
+        legacyStatus |= (rdsStatus & B00000011) << 4;
+        Utils::serialHex8(legacyStatus);
+#endif
         Comm.print('\n');
     }
 }