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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* 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 <stdbool.h>
#include <stdlib.h>
#include "config.h"
#include "debug.h"
#include "tuner.h"
#ifdef HAVE_RDS_CAP
#include <strlcpy.h>
#include "system.h"
#include "rds.h"
#endif
#if CONFIG_TUNER
static int frequency = 0;
static bool mono = false;
static bool powered = false;
void tuner_init(void)
{
}
int tuner_set(int setting, int value)
{
switch(setting)
{
case RADIO_SLEEP:
break;
case RADIO_FREQUENCY:
frequency = value;
break;
case RADIO_SCAN_FREQUENCY:
frequency = value;
break;
case RADIO_MUTE:
break;
case RADIO_FORCE_MONO:
mono = (value != 0);
break;
default:
return -1;
}
return 1;
}
int tuner_get(int setting)
{
int val = 0;
#ifdef HAVE_RADIO_RSSI
static int rssi = 0, rssidiff = 2;
#endif
switch(setting)
{
case RADIO_PRESENT:
val = 1; /* true */
break;
case RADIO_TUNED:
if(frequency == 99500000)
val = 1;
break;
case RADIO_STEREO:
if(frequency == 99500000)
val = mono?0:1;
break;
#ifdef HAVE_RADIO_RSSI
case RADIO_RSSI_MIN:
val = 5;
break;
case RADIO_RSSI_MAX:
val = 75;
break;
case RADIO_RSSI:
rssi += rssidiff;
if (rssi >= 75)
{
rssi = 75;
rssidiff = -2;
}
else if (rssi < 5)
{
rssi = 5;
rssidiff = 2;
}
val = rssi;
break;
#endif
case RADIO_ALL: /* debug query */
break;
}
return val;
}
bool tuner_power(bool status)
{
bool oldstatus = powered;
powered = status;
return oldstatus;
}
#ifdef HAVE_RDS_CAP
size_t tuner_get_rds_info(int setting, void *dst, size_t dstsize)
{
/* TODO: integrate this into tuner_get/set */
static const unsigned char info_id_tbl[] =
{
[RADIO_RDS_NAME] = RDS_INFO_PS,
[RADIO_RDS_TEXT] = RDS_INFO_RT,
[RADIO_RDS_PROGRAM_INFO] = RDS_INFO_PI,
[RADIO_RDS_CURRENT_TIME] = RDS_INFO_CT,
};
if ((unsigned int)setting >= ARRAYLEN(info_id_tbl))
return 0;
switch (info_id_tbl[setting])
{
case RDS_INFO_PI:
if (dstsize >= sizeof (uint16_t)) {
*(uint16_t *)dst = 0;
}
dstsize = sizeof (uint16_t);
break;
case RDS_INFO_PS:
dstsize = strlcpy(dst, "Rockbox Radio", dstsize);
break;
case RDS_INFO_RT:
dstsize = strlcpy(dst, "http://www.rockbox.org", dstsize);
break;
case RDS_INFO_CT:
if (dstsize >= sizeof (time_t)) {
*(time_t *)dst = 0;
}
dstsize = sizeof (time_t);
break;
default:
dstsize = 0;
}
return dstsize;
}
#endif /* HAVE_RDS_CAP */
#endif /* CONFIG_TUNER */
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