2403f38c1f
Theoretically, anything with the capability could implement the decoding action in an ISR on any radio chip supporting RDS. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31464 a1c6a512-1295-4272-9138-f99709370657
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* $Id$
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*
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* Tuner header for the Silicon Labs SI4700
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*
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* Copyright (C) 2008 Dave Chapman
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _SI4700_H_
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#define _SI4700_H_
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#include <stdint.h>
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#define HAVE_RADIO_REGION
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#define HAVE_RADIO_RSSI
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struct si4700_dbg_info
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{
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uint16_t regs[16]; /* Read registers */
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};
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bool si4700_detect(void);
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void si4700_init(void);
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int si4700_set(int setting, int value);
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int si4700_get(int setting);
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void si4700_dbg_info(struct si4700_dbg_info *nfo);
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/* For interrupt-based mono/stereo indicator */
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bool si4700_st(void);
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/** RDS support **/
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void si4700_rds_init(void);
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/* Radio is fully powered up or about to be powered down */
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void si4700_rds_powerup(bool on);
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#ifdef RDS_ISR_PROCESSING
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/* Read raw RDS info for processing - asynchronously */
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void si4700_read_raw_async(int count); /* implemented by target */
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void si4700_rds_read_raw_async(void);
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void si4700_rds_read_raw_async_complete(unsigned char *regbuf,
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uint16_t data[4]);
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#else /* ndef RDS_ISR_PROCESSING */
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/* Read raw RDS info for processing */
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bool si4700_rds_read_raw(uint16_t data[4]);
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#endif /* RDS_ISR_PROCESSING */
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/* Obtain specified string */
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char* si4700_get_rds_info(int setting);
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/* Set the event flag */
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void si4700_rds_set_event(void);
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#ifndef CONFIG_TUNER_MULTI
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#define tuner_set si4700_set
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#define tuner_get si4700_get
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#define tuner_get_rds_info si4700_get_rds_info
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#endif
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#endif /* _SI4700_H_ */
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