Gigabeat S: Update RDS processing to use asynchronous I2C rather than thread.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31462 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 12 insertions, 3 deletions

diff --git a/firmware/export/config/gigabeats.h b/firmware/export/config/gigabeats.h
index 04e7b156b6..9a34791ab1 100644
--- a/firmware/export/config/gigabeats.h
+++ b/firmware/export/config/gigabeats.h
@@ -90,6 +90,7 @@
 #define CONFIG_TUNER SI4700
 
 #define HAVE_RDS_CAP
+#define SI4700_RDS_ASYNC
 
 /* Define this if you have the WM8978 audio codec */
 #define HAVE_WM8978
@@ -163,7 +164,7 @@
 #define GPIO_EVENT_MASK (USE_GPIO1_EVENTS)
 
 /* Define this if target has an additional number of threads specific to it */
-#define TARGET_EXTRA_THREADS 3
+#define TARGET_EXTRA_THREADS 2
 
 /* Type of mobile power - check this out */
 #define BATTERY_CAPACITY_DEFAULT 700 /* default battery capacity */
diff --git a/firmware/export/si4700.h b/firmware/export/si4700.h
index 761ad1ca24..fe55dd3853 100644
--- a/firmware/export/si4700.h
+++ b/firmware/export/si4700.h
@@ -44,10 +44,18 @@ bool si4700_st(void);
 
 /** RDS support **/
 void si4700_rds_init(void);
-/* Read raw RDS info for processing */
-bool si4700_rds_read_raw(uint16_t data[4]);
 /* Radio is fully powered up or about to be powered down */
 void si4700_rds_powerup(bool on);
+#ifdef SI4700_RDS_ASYNC
+/* Read raw RDS info for processing - asynchronously */
+void si4700_read_raw_async(int count);
+void si4700_rds_read_raw_async(void);
+void si4700_rds_read_raw_async_complete(unsigned char *regbuf,
+                                        uint16_t data[4]);
+#else
+/* Read raw RDS info for processing */
+bool si4700_rds_read_raw(uint16_t data[4]);
+#endif
 /* Obtain specified string */
 char* si4700_get_rds_info(int setting);
 /* Set the event flag */