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rockbox/apps/recorder/radio.c
Linus Nielsen Feltzing 47e8773939 An attempt to set the radio in a more defined state at boot 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5457 a1c6a512-1295-4272-9138-f99709370657
2004-11-22 06:34:14 +00:00

924 lines
25 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2003 Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include <stdio.h>
#include <stdbool.h>
#include "sprintf.h"
#include "lcd.h"
#include "mas.h"
#include "settings.h"
#include "button.h"
#include "fmradio.h"
#include "status.h"
#include "kernel.h"
#include "mpeg.h"
#include "mp3_playback.h"
#include "ctype.h"
#include "file.h"
#include "errno.h"
#include "atoi.h"
#include "string.h"
#include "system.h"
#include "radio.h"
#include "menu.h"
#include "misc.h"
#include "keyboard.h"
#include "screens.h"
#include "peakmeter.h"
#include "lang.h"
#include "font.h"
#include "sound_menu.h"
#include "recording.h"
#include "talk.h"
#include "tuner.h"
#include "hwcompat.h"
#include "power.h"
#ifdef CONFIG_TUNER
#if CONFIG_KEYPAD == RECORDER_PAD
#define FM_MENU BUTTON_F1
#define FM_PRESET BUTTON_F2
#define FM_RECORD BUTTON_F3
#define FM_FREEZE BUTTON_PLAY
#define FM_STOP BUTTON_OFF
#define FM_EXIT (BUTTON_ON | BUTTON_REL)
#define FM_PRESET_ADD BUTTON_F1
#define FM_PRESET_ACTION BUTTON_F3
#elif CONFIG_KEYPAD == ONDIO_PAD /* restricted keypad */
#define FM_MENU (BUTTON_MENU | BUTTON_REPEAT)
#define FM_RECORD (BUTTON_MENU | BUTTON_REL)
#define FM_STOP (BUTTON_OFF | BUTTON_REL)
#define FM_EXIT (BUTTON_OFF | BUTTON_REPEAT)
#endif
#define MAX_FREQ (108000000)
#define MIN_FREQ (87500000)
#define FREQ_STEP 100000
static int curr_preset = -1;
static int curr_freq;
#define MAX_PRESETS 32
static bool presets_loaded = false;
static struct fmstation presets[MAX_PRESETS];
static const char default_filename[] = "/.rockbox/fm-presets-default.fmr";
int debug_fm_detection;
static int preset_menu; /* The menu index of the preset list */
static struct menu_item preset_menu_items[MAX_PRESETS];
static int num_presets; /* The number of presets in the preset list */
void radio_load_presets(void);
bool handle_radio_presets(void);
bool radio_menu(void);
#if CONFIG_TUNER == S1A0903X01 /* FM recorder */
#define radio_set samsung_set
#define radio_get samsung_get
#elif CONFIG_TUNER == TEA5767 /* Iriver */
#define radio_set philips_set
#define radio_get philips_get
#elif CONFIG_TUNER == (S1A0903X01 | TEA5767) /* OndioFM */
void (*radio_set)(int setting, int value);
int (*radio_get)(int setting);
#endif
void radio_init(void)
{
#if CONFIG_TUNER == (S1A0903X01 | TEA5767)
if (read_hw_mask() & TUNER_MODEL)
{
radio_set = philips_set;
radio_get = philips_get;
}
else
{
radio_set = samsung_set;
radio_get = samsung_get;
}
#endif
radio_stop();
}
void radio_stop(void)
{
radio_set(RADIO_MUTE, 1);
radio_set(RADIO_SLEEP, 1); /* low power mode, if available */
radio_set_status(FMRADIO_OFF); /* status update, power off if avail. */
}
bool radio_hardware_present(void)
{
#ifdef HAVE_TUNER_PWR_CTRL
bool ret;
int fmstatus = radio_get_status(); /* get current state */
radio_set_status(FMRADIO_POWERED); /* power it up */
ret = radio_get(RADIO_PRESENT);
radio_set_status(fmstatus); /* restore previous state */
return ret;
#else
return radio_get(RADIO_PRESENT);
#endif
}
static int find_preset(int freq)
{
int i;
for(i = 0;i < MAX_PRESETS;i++)
{
if(freq == presets[i].frequency)
return i;
}
return -1;
}
static void remember_frequency(void)
{
global_settings.last_frequency = (curr_freq - MIN_FREQ) / FREQ_STEP;
settings_save();
}
bool radio_screen(void)
{
char buf[MAX_PATH];
bool done = false;
int button;
int freq;
bool tuned;
bool stereo = false;
int search_dir = 0;
int fw, fh;
bool last_stereo_status = false;
int top_of_screen = 0;
bool update_screen = true;
int timeout = current_tick + HZ/10;
bool screen_freeze = false;
bool have_recorded = false;
unsigned int seconds;
unsigned int last_seconds = 0;
int hours, minutes;
bool keep_playing = false;
lcd_clear_display();
lcd_setmargins(0, 8);
status_draw(true);
radio_set_status(FMRADIO_PLAYING);
font_get(FONT_UI);
lcd_getstringsize("M", &fw, &fh);
/* Adjust for font size, trying to center the information vertically */
if(fh < 10)
top_of_screen = 1;
radio_load_presets();
#ifndef SIMULATOR
if(rec_create_directory() > 0)
have_recorded = true;
mpeg_stop();
mpeg_init_recording();
sound_settings_apply();
/* Yes, we use the D/A for monitoring */
peak_meter_playback(true);
peak_meter_enabled = true;
if (global_settings.rec_prerecord_time)
talk_buffer_steal(); /* will use the mp3 buffer */
mpeg_set_recording_options(global_settings.rec_frequency,
global_settings.rec_quality,
1, /* Line In */
global_settings.rec_channels,
global_settings.rec_editable,
global_settings.rec_prerecord_time);
mpeg_set_recording_gain(mpeg_sound_default(SOUND_LEFT_GAIN),
mpeg_sound_default(SOUND_RIGHT_GAIN), false);
#endif
curr_freq = global_settings.last_frequency * FREQ_STEP + MIN_FREQ;
radio_set(RADIO_SLEEP, 0); /* wake up the tuner */
radio_set(RADIO_FREQUENCY, curr_freq);
radio_set(RADIO_IF_MEASUREMENT, 0);
radio_set(RADIO_SENSITIVITY, 0);
radio_set(RADIO_FORCE_MONO, global_settings.fm_force_mono);
radio_set(RADIO_MUTE, 0);
curr_preset = find_preset(curr_freq);
#if CONFIG_KEYPAD == RECORDER_PAD
buttonbar_set(str(LANG_BUTTONBAR_MENU), str(LANG_FM_BUTTONBAR_PRESETS),
str(LANG_FM_BUTTONBAR_RECORD));
#endif
while(!done)
{
if(search_dir)
{
curr_freq += search_dir * FREQ_STEP;
if(curr_freq < MIN_FREQ)
curr_freq = MAX_FREQ;
if(curr_freq > MAX_FREQ)
curr_freq = MIN_FREQ;
/* Tune in and delay */
radio_set(RADIO_FREQUENCY, curr_freq);
sleep(1);
/* Start IF measurement */
radio_set(RADIO_IF_MEASUREMENT, 1);
sleep(1);
/* Now check how close to the IF frequency we are */
tuned = radio_get(RADIO_TUNED);
/* Stop searching if the tuning is close */
if(tuned)
{
search_dir = 0;
curr_preset = find_preset(curr_freq);
remember_frequency();
}
update_screen = true;
}
if(search_dir)
button = button_get(false);
else
button = button_get_w_tmo(HZ / peak_meter_fps);
switch(button)
{
case FM_STOP:
#ifndef SIMULATOR
if(mpeg_status() == MPEG_STATUS_RECORD)
{
mpeg_stop();
}
else
#endif
{
done = true;
}
update_screen = true;
break;
#ifdef FM_RECORD
case FM_RECORD:
#ifndef SIMULATOR
if(mpeg_status() == MPEG_STATUS_RECORD)
{
mpeg_new_file(rec_create_filename(buf));
update_screen = true;
}
else
{
have_recorded = true;
talk_buffer_steal(); /* we use the mp3 buffer */
mpeg_record(rec_create_filename(buf));
update_screen = true;
}
#endif
last_seconds = 0;
break;
#endif /* #ifdef FM_RECORD */
case FM_EXIT:
done = true;
keep_playing = true;
break;
case BUTTON_LEFT:
curr_freq -= FREQ_STEP;
if(curr_freq < MIN_FREQ)
curr_freq = MIN_FREQ;
radio_set(RADIO_FREQUENCY, curr_freq);
curr_preset = find_preset(curr_freq);
remember_frequency();
search_dir = 0;
update_screen = true;
break;
case BUTTON_RIGHT:
curr_freq += FREQ_STEP;
if(curr_freq > MAX_FREQ)
curr_freq = MAX_FREQ;
radio_set(RADIO_FREQUENCY, curr_freq);
curr_preset = find_preset(curr_freq);
remember_frequency();
search_dir = 0;
update_screen = true;
break;
case BUTTON_LEFT | BUTTON_REPEAT:
search_dir = -1;
break;
case BUTTON_RIGHT | BUTTON_REPEAT:
search_dir = 1;
break;
case BUTTON_UP:
case BUTTON_UP | BUTTON_REPEAT:
global_settings.volume++;
if(global_settings.volume > mpeg_sound_max(SOUND_VOLUME))
global_settings.volume = mpeg_sound_max(SOUND_VOLUME);
mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
update_screen = true;
settings_save();
break;
case BUTTON_DOWN:
case BUTTON_DOWN | BUTTON_REPEAT:
global_settings.volume--;
if(global_settings.volume < mpeg_sound_min(SOUND_VOLUME))
global_settings.volume = mpeg_sound_min(SOUND_VOLUME);
mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
update_screen = true;
settings_save();
break;
#ifdef FM_MENU
case FM_MENU:
radio_menu();
curr_preset = find_preset(curr_freq);
lcd_clear_display();
lcd_setmargins(0, 8);
#if CONFIG_KEYPAD == RECORDER_PAD
buttonbar_set(str(LANG_BUTTONBAR_MENU),
str(LANG_FM_BUTTONBAR_PRESETS),
str(LANG_FM_BUTTONBAR_RECORD));
#endif
update_screen = true;
break;
#endif
#ifdef FM_PRESET
case FM_PRESET:
handle_radio_presets();
curr_preset = find_preset(curr_freq);
lcd_clear_display();
lcd_setmargins(0, 8);
#if CONFIG_KEYPAD == RECORDER_PAD
buttonbar_set(str(LANG_BUTTONBAR_MENU),
str(LANG_FM_BUTTONBAR_PRESETS),
str(LANG_FM_BUTTONBAR_RECORD));
#endif
update_screen = true;
break;
#endif
#ifdef FM_FREEZE
case FM_FREEZE:
if(!screen_freeze)
{
splash(0, true, "Screen frozen");
lcd_update();
screen_freeze = true;
}
else
{
update_screen = true;
screen_freeze = false;
}
break;
#endif
case SYS_USB_CONNECTED:
/* Only accept USB connection when not recording */
if(mpeg_status() != MPEG_STATUS_RECORD)
{
default_event_handler(SYS_USB_CONNECTED);
screen_freeze = true; /* Cosmetic: makes sure the
radio screen doesn't redraw */
done = true;
}
break;
default:
default_event_handler(button);
break;
}
peak_meter_peek();
if(!screen_freeze)
{
lcd_setmargins(0, 8);
/* Only display the peak meter when not recording */
if(!mpeg_status())
{
lcd_clearrect(0, 8 + fh*(top_of_screen + 3), LCD_WIDTH, fh);
peak_meter_draw(0, 8 + fh*(top_of_screen + 3), LCD_WIDTH, fh);
lcd_update_rect(0, 8 + fh*(top_of_screen + 3), LCD_WIDTH, fh);
}
if(TIME_AFTER(current_tick, timeout))
{
timeout = current_tick + HZ;
stereo = radio_get(RADIO_STEREO) &&
!global_settings.fm_force_mono;
if(stereo != last_stereo_status)
{
update_screen = true;
last_stereo_status = stereo;
}
}
#ifndef SIMULATOR
seconds = mpeg_recorded_time() / HZ;
#endif
if(update_screen || seconds > last_seconds)
{
last_seconds = seconds;
lcd_setfont(FONT_UI);
if(curr_preset >= 0)
{
lcd_puts_scroll(0, top_of_screen,
presets[curr_preset].name);
}
else
{
lcd_clearrect(0, 8 + top_of_screen*fh, LCD_WIDTH, fh);
}
freq = curr_freq / 100000;
snprintf(buf, 128, str(LANG_FM_STATION), freq / 10, freq % 10);
lcd_puts(0, top_of_screen + 1, buf);
snprintf(buf, 128,
stereo?str(LANG_CHANNEL_STEREO):
str(LANG_CHANNEL_MONO));
lcd_puts(0, top_of_screen + 2, buf);
if(mpeg_status() == MPEG_STATUS_RECORD)
{
hours = seconds / 3600;
minutes = (seconds - (hours * 3600)) / 60;
snprintf(buf, 32, "%s %02d:%02d:%02d",
str(LANG_RECORDING_TIME),
hours, minutes, seconds%60);
lcd_puts(0, top_of_screen + 3, buf);
}
else
{
if(global_settings.rec_prerecord_time)
{
snprintf(buf, 32, "%s %02d",
str(LANG_RECORD_PRERECORD), seconds%60);
lcd_puts(0, top_of_screen + 3, buf);
}
}
/* Only force the redraw if update_screen is true */
status_draw(update_screen);
#if CONFIG_KEYPAD == RECORDER_PAD
buttonbar_draw();
#endif
lcd_update();
update_screen = false;
}
}
if(mpeg_status() & MPEG_STATUS_ERROR)
{
done = true;
}
}
#ifndef SIMULATOR
if(mpeg_status() & MPEG_STATUS_ERROR)
{
splash(0, true, str(LANG_DISK_FULL));
status_draw(true);
lcd_update();
mpeg_error_clear();
while(1)
{
button = button_get(true);
if(button == (BUTTON_OFF | BUTTON_REL))
break;
}
}
mpeg_init_playback();
sound_settings_apply();
if(keep_playing)
{
/* Enable the Left and right A/D Converter */
mpeg_set_recording_gain(mpeg_sound_default(SOUND_LEFT_GAIN),
mpeg_sound_default(SOUND_RIGHT_GAIN), false);
mas_codec_writereg(6, 0x4000);
radio_set_status(FMRADIO_POWERED); /* leave it powered */
}
else
{
radio_stop();
}
#endif
return have_recorded;
}
void radio_save_presets(void)
{
int fd;
int i;
fd = creat(default_filename, O_WRONLY);
if(fd >= 0)
{
for(i = 0;i < num_presets;i++)
{
fprintf(fd, "%d:%s\n", presets[i].frequency, presets[i].name);
}
close(fd);
}
else
{
splash(HZ*2, true, str(LANG_FM_PRESET_SAVE_FAILED));
}
}
void radio_load_presets(void)
{
int fd;
int rc;
char buf[128];
char *freq;
char *name;
bool done = false;
int i;
int f;
if(!presets_loaded)
{
memset(presets, 0, sizeof(presets));
num_presets = 0;
fd = open(default_filename, O_RDONLY);
if(fd >= 0)
{
i = 0;
while(!done && i < MAX_PRESETS)
{
rc = read_line(fd, buf, 128);
if(rc > 0)
{
if(settings_parseline(buf, &freq, &name))
{
f = atoi(freq);
if(f) /* For backwards compatibility */
{
presets[num_presets].frequency = f;
strncpy(presets[num_presets].name, name, 27);
presets[num_presets].name[27] = 0;
num_presets++;
}
}
}
else
done = true;
}
close(fd);
}
}
presets_loaded = true;
}
static void rebuild_preset_menu(void)
{
int i;
for(i = 0;i < num_presets;i++)
{
preset_menu_items[i].desc = presets[i].name;
}
}
static bool radio_add_preset(void)
{
char buf[27];
if(num_presets < MAX_PRESETS)
{
memset(buf, 0, 27);
if (!kbd_input(buf, 27))
{
buf[27] = 0;
strcpy(presets[num_presets].name, buf);
presets[num_presets].frequency = curr_freq;
menu_insert(preset_menu, -1,
presets[num_presets].name, 0);
/* We must still rebuild the menu table, since the
item name pointers must be updated */
rebuild_preset_menu();
num_presets++;
radio_save_presets();
}
}
else
{
splash(HZ*2, true, str(LANG_FM_NO_FREE_PRESETS));
}
return true;
}
/* button preprocessor for preset option submenu */
static int handle_radio_presets_menu_cb(int key, int m)
{
(void)m;
#ifdef FM_PRESET_ACTION
switch(key)
{
case FM_PRESET_ACTION:
key = MENU_EXIT; /* Fake an exit */
break;
case FM_PRESET_ACTION | BUTTON_REL:
/* Ignore the release events */
key = BUTTON_NONE;
break;
}
#endif
return key;
}
static bool radio_edit_preset(void)
{
int pos = menu_cursor(preset_menu);
char buf[27];
strncpy(buf, menu_description(preset_menu, pos), 27);
if (!kbd_input(buf, 27))
{
buf[27] = 0;
strcpy(presets[pos].name, buf);
radio_save_presets();
}
return true;
}
bool radio_delete_preset(void)
{
int pos = menu_cursor(preset_menu);
int i;
for(i = pos;i < num_presets;i++)
presets[i] = presets[i+1];
num_presets--;
menu_delete(preset_menu, pos);
/* We must still rebuild the menu table, since the
item name pointers must be updated */
rebuild_preset_menu();
radio_save_presets();
return true; /* Make the menu return immediately */
}
/* little menu on what to do with a preset entry */
bool handle_radio_presets_menu(void)
{
static const struct menu_item preset_menu_items[] = {
{ ID2P(LANG_FM_EDIT_PRESET), radio_edit_preset },
{ ID2P(LANG_FM_DELETE_PRESET), radio_delete_preset },
};
int m;
m = menu_init( preset_menu_items,
sizeof preset_menu_items / sizeof(struct menu_item),
handle_radio_presets_menu_cb,
NULL, NULL, str(LANG_FM_BUTTONBAR_EXIT));
menu_run(m);
menu_exit(m);
return false;
}
/* button preprocessor for list of preset stations menu */
int handle_radio_presets_cb(int key, int m)
{
(void)m;
switch(key)
{
#ifdef FM_PRESET_ADD
case FM_PRESET_ADD:
radio_add_preset();
menu_draw(m);
key = BUTTON_NONE;
break;
#endif
#ifdef FM_PRESET
case FM_PRESET:
menu_draw(m);
key = MENU_EXIT; /* Fake an exit */
break;
#endif
#ifdef FM_PRESET_ACTION
case FM_PRESET_ACTION:
#endif
#ifdef MENU_ENTER2
case MENU_ENTER2 | BUTTON_REPEAT:
#endif
case MENU_ENTER | BUTTON_REPEAT: /* long gives options */
{
bool ret;
ret = handle_radio_presets_menu();
menu_draw(m);
if(ret)
key = MENU_ATTACHED_USB;
else
key = BUTTON_NONE;
break;
}
#ifdef MENU_ENTER2
case MENU_ENTER2 | BUTTON_REL:
#endif
case MENU_ENTER | BUTTON_REL:
key = MENU_ENTER; /* fake enter for short press */
break;
#ifdef MENU_ENTER2
case MENU_ENTER2:
#endif
case MENU_ENTER: /* ignore down event */
/* Ignore the release events */
#ifdef FM_PRESET_ADD
case FM_PRESET_ADD | BUTTON_REL:
#endif
#ifdef FM_PRESET_ACTION
case FM_PRESET_ACTION | BUTTON_REL:
#endif
key = BUTTON_NONE;
break;
}
return key;
}
/* present a list of preset stations */
bool handle_radio_presets(void)
{
int result;
int i;
bool reload_dir = false;
if(presets_loaded)
{
rebuild_preset_menu();
/* DIY menu handling, since we want to exit after selection */
preset_menu = menu_init( preset_menu_items, num_presets,
handle_radio_presets_cb,
str(LANG_FM_BUTTONBAR_ADD),
str(LANG_FM_BUTTONBAR_EXIT),
str(LANG_FM_BUTTONBAR_ACTION));
result = menu_show(preset_menu);
menu_exit(preset_menu);
if (result == MENU_SELECTED_EXIT)
return false;
else if (result == MENU_ATTACHED_USB)
reload_dir = true;
if (result >= 0) /* A preset was selected */
{
i = menu_cursor(preset_menu);
curr_freq = presets[i].frequency;
radio_set(RADIO_FREQUENCY, curr_freq);
remember_frequency();
}
}
return reload_dir;
}
#ifndef SIMULATOR
static bool fm_recording_settings(void)
{
bool ret;
ret = recording_menu(true);
if(!ret)
{
if (global_settings.rec_prerecord_time)
talk_buffer_steal(); /* will use the mp3 buffer */
mpeg_set_recording_options(global_settings.rec_frequency,
global_settings.rec_quality,
1, /* Line In */
global_settings.rec_channels,
global_settings.rec_editable,
global_settings.rec_prerecord_time);
}
return ret;
}
#endif
char monomode_menu_string[32];
static void create_monomode_menu(void)
{
snprintf(monomode_menu_string, 32, "%s: %s", str(LANG_FM_MONO_MODE),
global_settings.fm_force_mono?
str(LANG_SET_BOOL_YES):str(LANG_SET_BOOL_NO));
}
static bool toggle_mono_mode(void)
{
global_settings.fm_force_mono = !global_settings.fm_force_mono;
radio_set(RADIO_FORCE_MONO, global_settings.fm_force_mono);
settings_save();
create_monomode_menu();
return false;
}
/* button preprocessor for the main menu */
int radio_menu_cb(int key, int m)
{
(void)m;
switch(key)
{
#ifdef MENU_ENTER2
case MENU_ENTER2:
#endif
case MENU_ENTER:
key = BUTTON_NONE; /* eat the downpress, next menu reacts on release */
break;
#ifdef MENU_ENTER2
case MENU_ENTER2 | BUTTON_REL:
#endif
case MENU_ENTER | BUTTON_REL:
key = MENU_ENTER; /* fake downpress, next menu doesn't like release */
break;
}
return key;
}
/* main menu of the radio screen */
bool radio_menu(void)
{
struct menu_item items[5];
int m;
bool result;
m = menu_init(items, 0, radio_menu_cb, NULL, NULL, NULL);
#if CONFIG_KEYPAD == ONDIO_PAD /* Ondio has no key for presets, put it in menu */
/* fixme: make real string table entries */
menu_insert(m, -1, ID2P(LANG_FM_BUTTONBAR_PRESETS), handle_radio_presets);
menu_insert(m, -1, ID2P(LANG_FM_BUTTONBAR_ADD), radio_add_preset);
#endif
create_monomode_menu();
menu_insert(m, -1, monomode_menu_string, toggle_mono_mode);
menu_insert(m, -1, ID2P(LANG_SOUND_SETTINGS), sound_menu);
#ifndef SIMULATOR
menu_insert(m, -1, ID2P(LANG_RECORDING_SETTINGS), fm_recording_settings);
#endif
result = menu_run(m);
menu_exit(m);
return result;
}
#endif
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