3 files changed, 14 insertions, 1 deletions

diff --git a/firmware/export/config.h b/firmware/export/config.h
index e887796acc..52f647f2fa 100644
--- a/firmware/export/config.h
+++ b/firmware/export/config.h
@@ -718,6 +718,7 @@ Lyre prototype 1 */
 #define RDS_CFG_ISR     0x1 /* uses ISR to process packets */
 #define RDS_CFG_PROCESS 0x2 /* uses raw packet processing */
 #define RDS_CFG_PUSH    0x4 /* pushes processed information */
+#define RDS_CFG_POLL    0x8 /* tuner driver provides a polling function */
 #ifndef CONFIG_RDS
 #define CONFIG_RDS  RDS_CFG_PROCESS /* thread processing+raw processing */
 #endif /* CONFIG_RDS */
diff --git a/firmware/export/config/sansaclipplus.h b/firmware/export/config/sansaclipplus.h
index 3108bace61..e0df0c28c3 100644
--- a/firmware/export/config/sansaclipplus.h
+++ b/firmware/export/config/sansaclipplus.h
@@ -17,6 +17,9 @@
 
 #ifndef BOOTLOADER
 #define HAVE_HOTSWAP
+#define HAVE_RDS_CAP
+#define CONFIG_RDS (RDS_CFG_POLL | RDS_CFG_PROCESS)
+#define CONFIG_RDS_POLL_TICKS 4
 #endif
 
 #define HW_SAMPR_CAPS       SAMPR_CAP_ALL_96
@@ -146,6 +149,9 @@
 /* define this if the flash memory uses the SecureDigital Memory Card protocol */
 #define CONFIG_STORAGE STORAGE_SD
 
+/* Define this if target has an additional number of threads specific to it */
+#define TARGET_EXTRA_THREADS 1  /* RDS thread */
+
 #define BATTERY_CAPACITY_DEFAULT 290    /* default battery capacity */
 #define BATTERY_CAPACITY_MIN 290        /* min. capacity selectable */
 #define BATTERY_CAPACITY_MAX 290        /* max. capacity selectable */
diff --git a/firmware/export/si4700.h b/firmware/export/si4700.h
index bd75bf0817..033b435f2a 100644
--- a/firmware/export/si4700.h
+++ b/firmware/export/si4700.h
@@ -55,7 +55,13 @@ void si4700_rds_read_raw_async(unsigned char *buf, int count); /* implemented by
 void si4700_rds_interrupt(void);
 #endif /* (CONFIG_RDS & RDS_CFG_ISR) */
 
-/* Read raw RDS info for processing */
+/* Read raw RDS info for processing.
+ * - If RDS_CFG_ISR is set, the tuner driver will call si4700_rds_read_raw_async() which should
+ *   perform an asynchronous read and call this function when the data has been read.
+ * - If RDS_CFG_POLL is set, this function will read status and RDS data and process it if a new
+ *   packet is available.
+ * - Otherwise this function will read a RDS packet and process it under the assumption that it is
+ *   new. */
 void si4700_rds_process(void);
 
 #endif /* HAVE_RDS_CAP */