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authorLinus Nielsen Feltzing <linus@haxx.se>2003-05-04 02:23:18 +0000
committerLinus Nielsen Feltzing <linus@haxx.se>2003-05-04 02:23:18 +0000
commitc5dacdcc771d89cd079cd9d61052be3ba9d23f0b (patch)
tree29fea001ee92e643a77c817fddcf50144206ed09
parent75b41a88f6bfdc478d16d0f3ad9341a6fac459d8 (diff)
downloadrockbox-c5dacdcc771d89cd079cd9d61052be3ba9d23f0b.tar.gz
rockbox-c5dacdcc771d89cd079cd9d61052be3ba9d23f0b.zip
FM preset handling on F2 and F3
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3648 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r--apps/recorder/radio.c296
-rw-r--r--apps/recorder/radio.h7
2 files changed, 300 insertions, 3 deletions
diff --git a/apps/recorder/radio.c b/apps/recorder/radio.c
index 839fafe303..6fcc982946 100644
--- a/apps/recorder/radio.c
+++ b/apps/recorder/radio.c
@@ -20,6 +20,7 @@
#include "config.h"
#include <stdio.h>
#include <stdbool.h>
+#include "sprintf.h"
#include "lcd.h"
#include "mas.h"
#include "settings.h"
@@ -28,6 +29,17 @@
#include "status.h"
#include "kernel.h"
#include "mpeg.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"
#ifdef HAVE_FMRADIO
@@ -36,9 +48,18 @@
#define PLL_FREQ_STEP 10000
#define FREQ_STEP 100000
+static int curr_preset = -1;
static int curr_freq = 99400000;
static int pll_cnt;
+#define MAX_PRESETS 32
+static bool presets_loaded = false;
+static struct fmstation presets[MAX_PRESETS];
+
+void fm_load_presets(void);
+bool fm_preset_select(void);
+bool fm_f3_menu(void);
+
void fm_set_frequency(int freq)
{
/* We add the standard Intermediate Frequency 10.7MHz before calculating
@@ -55,6 +76,21 @@ void fm_set_frequency(int freq)
fmradio_set(1, 0x100002 | pll_cnt << 3);
}
+static int find_preset(int freq)
+{
+ int i;
+ if(presets_loaded)
+ {
+ for(i = 0;i < MAX_PRESETS;i++)
+ {
+ if(freq == presets[i].frequency)
+ return i;
+ }
+ }
+
+ return -1;
+}
+
bool radio_screen(void)
{
char buf[128];
@@ -71,6 +107,8 @@ bool radio_screen(void)
lcd_setmargins(0, 8);
status_draw(false);
fmradio_set_status(FMRADIO_PLAYING);
+
+ fm_load_presets();
/* Enable the Left and right A/D Converter */
mas_codec_writereg(0x0, 0xccc7);
@@ -79,6 +117,7 @@ bool radio_screen(void)
fmradio_set(2, 0x140884); /* 5kHz, 7.2MHz crystal */
fm_set_frequency(curr_freq);
+ curr_preset = find_preset(curr_freq);
while(!done)
{
@@ -108,18 +147,26 @@ bool radio_screen(void)
/* Stop searching if the IF frequency is close to 10.7MHz */
if(i_freq > 1065 && i_freq < 1075)
+ {
search_dir = 0;
+ curr_preset = find_preset(curr_freq);
+ }
}
freq = curr_freq / 100000;
snprintf(buf, 128, "Freq: %d.%dMHz", freq / 10, freq % 10);
- lcd_puts(0, 1, buf);
+ lcd_puts(0, 2, buf);
val = fmradio_read(3);
stereo = (val & 0x100000)?true:false;
lock = (val & 0x80000)?true:false;
snprintf(buf, 128, "Mode: %s", stereo?"Stereo":"Mono");
- lcd_puts(0, 2, buf);
+ lcd_puts(0, 3, buf);
+
+ if(curr_preset >= 0)
+ {
+ lcd_puts_scroll(0, 1, presets[curr_preset].name);
+ }
lcd_update();
@@ -129,7 +176,7 @@ bool radio_screen(void)
button = button_get_w_tmo(HZ/2);
switch(button)
{
- case BUTTON_OFF | BUTTON_REL:
+ case BUTTON_OFF:
done = true;
break;
@@ -139,6 +186,7 @@ bool radio_screen(void)
curr_freq = MIN_FREQ;
fm_set_frequency(curr_freq);
+ curr_preset = find_preset(curr_freq);
search_dir = 0;
break;
@@ -148,6 +196,7 @@ bool radio_screen(void)
curr_freq = MAX_FREQ;
fm_set_frequency(curr_freq);
+ curr_preset = find_preset(curr_freq);
search_dir = 0;
break;
@@ -179,13 +228,254 @@ bool radio_screen(void)
settings_save();
break;
+ case BUTTON_F2:
+ fm_preset_select();
+ curr_preset = find_preset(curr_freq);
+ lcd_clear_display();
+ lcd_setmargins(0, 8);
+ status_draw(false);
+ break;
+
+ case BUTTON_F3:
+ fm_f3_menu();
+ curr_preset = find_preset(curr_freq);
+ lcd_clear_display();
+ lcd_setmargins(0, 8);
+ status_draw(false);
+ break;
+
case BUTTON_NONE:
status_draw(true);
break;
+
+ case SYS_USB_CONNECTED:
+ usb_screen();
+ fmradio_set_status(0);
+ return true;
}
}
fmradio_set_status(0);
return false;
}
+
+static bool parseline(char* line, char** freq, char** name)
+{
+ char* ptr;
+
+ while ( isspace(*line) )
+ line++;
+
+ if ( *line == '#' )
+ return false;
+
+ ptr = strchr(line, ':');
+ if ( !ptr )
+ return false;
+
+ *freq = line;
+ *ptr = 0;
+ ptr++;
+ while (isspace(*ptr))
+ ptr++;
+ *name = ptr;
+ return true;
+}
+
+void fm_save_presets(void)
+{
+ int fd;
+ int i;
+
+ fd = open("/.rockbox/fm_presets.txt", O_WRONLY);
+ if(fd >= 0)
+ {
+ for(i = 0;i < MAX_PRESETS;i++)
+ {
+ fprintf(fd, "%d:%s\n", presets[i].frequency, presets[i].name);
+ }
+ close(fd);
+ }
+ else
+ {
+ splash(HZ*2, 0, true, "Preset save failed");
+ }
+}
+
+void fm_load_presets(void)
+{
+ int fd;
+ int rc;
+ char buf[128];
+ char *freq;
+ char *name;
+ int num_presets = 0;
+ bool done = false;
+ int i;
+
+ if(!presets_loaded)
+ {
+ memset(presets, 0, sizeof(presets));
+
+ fd = open("/.rockbox/fm_presets.txt", O_RDONLY);
+ if(fd >= 0)
+ {
+ i = 0;
+ while(!done)
+ {
+ rc = read_line(fd, buf, 128);
+ if(rc > 0)
+ {
+ if(parseline(buf, &freq, &name))
+ {
+ presets[i].frequency = atoi(freq);
+ strncpy(presets[i].name, name, 27);
+ presets[i].name[27] = 0;
+ i++;
+ presets_loaded = true;
+ if(num_presets == MAX_PRESETS)
+ done = true;
+ }
+ }
+ else
+ done = true;
+ }
+ close(fd);
+ }
+ }
+}
+
+bool fm_preset_select(void)
+{
+ struct menu_items menu[MAX_PRESETS];
+ int m, result;
+ int i;
+ bool reload_dir = false;
+ int num_presets;
+
+ if(presets_loaded)
+ {
+ num_presets = 0;
+
+ for(i = 0;i < MAX_PRESETS;i++)
+ {
+ if(presets[i].frequency)
+ {
+ menu[num_presets].desc = presets[i].name;
+ /* We use the function pointer entry for the preset
+ entry index */
+ menu[num_presets++].function = (void *)i;
+ }
+ }
+
+ if(num_presets)
+ {
+ /* DIY menu handling, since we want to exit after selection */
+ m = menu_init( menu, num_presets );
+ result = menu_show(m);
+ menu_exit(m);
+ if (result == MENU_SELECTED_EXIT)
+ return false;
+ else if (result == MENU_ATTACHED_USB)
+ reload_dir = true;
+
+ if (result >= 0)
+ {
+ i = (int)menu[result].function;
+ curr_freq = presets[i].frequency;
+ fm_set_frequency(curr_freq);
+ }
+ }
+ else
+ {
+ splash(HZ*2, 0, true, "No presets");
+ }
+ }
+
+ return reload_dir;
+}
+
+static bool fm_add_preset(void)
+{
+ char buf[27];
+ int i = find_preset(0);
+
+ if(i >= 0)
+ {
+ memset(buf, 0, 27);
+
+ if (!kbd_input(buf, 27))
+ {
+ buf[27] = 0;
+ strcpy(presets[i].name, buf);
+ presets[i].frequency = curr_freq;
+ fm_save_presets();
+ }
+ }
+ else
+ {
+ splash(HZ*2, 0, true, "No free preset entries");
+ }
+ return true;
+}
+
+bool fm_delete_preset(void)
+{
+ struct menu_items menu[MAX_PRESETS];
+ int m, result;
+ int i;
+ bool reload_dir = false;
+ int num_presets;
+
+ if(presets_loaded)
+ {
+ num_presets = 0;
+
+ for(i = 0;i < MAX_PRESETS;i++)
+ {
+ if(presets[i].frequency)
+ {
+ menu[num_presets].desc = presets[i].name;
+ /* We use the function pointer entry for the preset
+ entry index */
+ menu[num_presets++].function = (void *)i;
+ }
+ }
+
+ /* DIY menu handling, since we want to exit after selection */
+ m = menu_init( menu, num_presets );
+ result = menu_show(m);
+ menu_exit(m);
+ if (result == MENU_SELECTED_EXIT)
+ return false;
+ else if (result == MENU_ATTACHED_USB)
+ reload_dir = true;
+
+ if (result >= 0)
+ {
+ i = (int)menu[result].function;
+ presets[i].frequency = 0;
+ fm_save_presets();
+ }
+ }
+
+ return reload_dir;
+}
+
+static struct menu_items f3_items[] = {
+ { "Add preset...", fm_add_preset },
+ { "Delete preset...", fm_delete_preset }
+};
+
+bool fm_f3_menu(void)
+{
+ int m;
+ bool result;
+
+ m = menu_init( f3_items, sizeof f3_items / sizeof(struct menu_items) );
+ result = menu_run(m);
+ menu_exit(m);
+ return result;
+}
+
#endif
diff --git a/apps/recorder/radio.h b/apps/recorder/radio.h
index dafa46d90d..f6d7686ea9 100644
--- a/apps/recorder/radio.h
+++ b/apps/recorder/radio.h
@@ -21,6 +21,13 @@
#ifdef HAVE_FMRADIO
bool radio_screen(void);
+
+struct fmstation
+{
+ int frequency; /* In Hz */
+ char name[28];
+};
+
#endif
#endif