FS#12370: Initial RDS support for Si4701/Si4703 tuner (beast and clip zip)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31346 a1c6a512-1295-4272-9138-f99709370657

firmware/export/config/gigabeats.h

@@ -89,6 +89,8 @@
 /* Define this if you have a SI4700 fm radio tuner */
 #define CONFIG_TUNER SI4700
 
+#define HAVE_RDS_CAP
+
 /* Define this if you have the WM8978 audio codec */
 #define HAVE_WM8978
 
@@ -161,7 +163,7 @@
 #define GPIO_EVENT_MASK (USE_GPIO1_EVENTS)
 
 /* Define this if target has an additional number of threads specific to it */
-#define TARGET_EXTRA_THREADS 2
+#define TARGET_EXTRA_THREADS 3
 
 /* Type of mobile power - check this out */
 #define BATTERY_CAPACITY_DEFAULT 700 /* default battery capacity */

firmware/export/config/sansaclipzip.h

@@ -34,6 +34,8 @@
    explicitly if different */
 #define INPUT_SRC_CAPS (SRC_CAP_MIC | SRC_CAP_FMRADIO)
 
+#define HAVE_RDS_CAP
+
 /* define this if you have a bitmap LCD display */
 #define HAVE_LCD_BITMAP
 /* define this if you have a colour LCD */
@@ -138,6 +140,9 @@
 /* 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 300    /* default battery capacity */
 #define BATTERY_CAPACITY_MIN 300        /* min. capacity selectable */
 #define BATTERY_CAPACITY_MAX 300        /* max. capacity selectable */

firmware/export/rds.h

@@ -0,0 +1,33 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (c) 2011 by Bertrik Sikken
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdint.h>
+#include <stdbool.h>
+
+void rds_init(void);
+
+void rds_reset(void);
+bool rds_process(uint16_t data[4]);
+
+uint16_t rds_get_pi(void);
+char* rds_get_ps(void);
+char* rds_get_rt(void);
+
+

firmware/export/si4700.h

@@ -39,10 +39,24 @@ void si4700_init(void);
 int si4700_set(int setting, int value);
 int si4700_get(int setting);
 void si4700_dbg_info(struct si4700_dbg_info *nfo);
+/* For interrupt-based mono/stereo indicator */
+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);
+/* Obtain specified string */
+char* si4700_get_rds_info(int setting);
+/* Set the event flag */
+void si4700_rds_set_event(void);
 
 #ifndef CONFIG_TUNER_MULTI
 #define tuner_set si4700_set
 #define tuner_get si4700_get
+#define tuner_get_rds_info si4700_get_rds_info
 #endif
 
 #endif /* _SI4700_H_ */