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Added option to reduce (and almost prevent) the remote lcd ticking

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problem with a cost slightly more CPU usage.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7985 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Miika Pekkarinen 2005-11-19 07:58:20 +00:00
parent 80ed9ead87
commit 05fdb1ad30
6 changed files with 41 additions and 4 deletions
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7
apps/lang/english.lang
View file

@ -3454,3 +3454,10 @@ desc: Custom themes menu
eng: "Browse Themes"
voice: "Browse Themes"
new:
id: LANG_REDUCE_TICKING
desc: in remote lcd settings menu
eng: "Reduce ticking"
voice: "Reduce ticking"
new:

4
apps/settings.c
View file

@ -277,6 +277,10 @@ static const struct bit_entry rtc_bits[] =
{1, S_O(bidi_support), false, "bidi hebrew/arabic", off_on },
#endif
#ifdef HAVE_REMOTE_LCD /* move to REMOTE_LCD next time we bump version */
{1, S_O(remote_reduce_ticking), false, "remote reduce ticking", off_on },
#endif
/* new stuff to be added here */
/* If values are just added to the end, no need to bump the version. */

2
apps/settings.h
View file

@ -343,6 +343,8 @@ struct user_settings
int remote_backlight_timeout; /* backlight off timeout: 0-18 0=never,
1=always,
then according to timeout_values[] */
bool remote_reduce_ticking; /* 0=normal operation,
1=EMI reduce on with cost more CPU. */
#endif
bool next_folder; /* move to next folder */

13
apps/settings_menu.c
View file

@ -120,6 +120,16 @@ static bool remote_flip_display(void)
return rc;
}
static bool remote_reduce_ticking(void)
{
bool rc = set_bool( str(LANG_REDUCE_TICKING),
&global_settings.remote_reduce_ticking);
lcd_remote_emireduce(global_settings.remote_reduce_ticking);
return rc;
}
#endif
#ifdef CONFIG_BACKLIGHT
@ -1540,7 +1550,8 @@ static bool lcd_remote_settings_menu(void)
{ ID2P(LANG_CONTRAST), remote_contrast },
{ ID2P(LANG_INVERT), remote_invert },
{ ID2P(LANG_FLIP_DISPLAY), remote_flip_display },
};
{ ID2P(LANG_REDUCE_TICKING), remote_reduce_ticking },
};
m=menu_init( items, sizeof(items) / sizeof(*items), NULL,
NULL, NULL, NULL);

14
firmware/drivers/lcd-h100-remote.c
View file

@ -61,7 +61,11 @@
#define RS_HI or_l(0x00010000, &GPIO_OUT)
/* delay loop */
#define DELAY do { int _x; for(_x=0;_x<3;_x++);} while (0)
#define DELAY_DEFAULT do { int _x = 0; for (_x = 0;_x < 2;_x++); } while (0)
#define DELAY_EMIREDUCE do { int _x = cpu_frequency >> 21; while (_x--); } \
while (0)
#define DELAY do { if (emireduce) DELAY_EMIREDUCE; \
else DELAY_DEFAULT; } while (0)
#define SCROLLABLE_LINES 13
@ -77,6 +81,9 @@ static int curfont = FONT_SYSFIXED;
#ifndef SIMULATOR
static int xoffset; /* needed for flip */
/* If set to true, will prevent "ticking" to headphones. */
static bool emireduce = false;
/* remote hotplug */
static int countdown; /* for remote plugging debounce */
static bool last_remote_status = false;
@ -343,6 +350,11 @@ int lcd_remote_default_contrast(void)
#ifndef SIMULATOR
void lcd_remote_emireduce(bool state)
{
emireduce = state;
}
void lcd_remote_powersave(bool on)
{
if (remote_initialized)

1
firmware/export/lcd-remote.h
View file

@ -34,6 +34,7 @@ extern void lcd_remote_backlight_on(void);
extern void lcd_remote_backlight_off(void);
extern int lcd_remote_default_contrast(void);
extern void lcd_remote_set_contrast(int val);
extern void lcd_remote_emireduce(bool state);
extern void lcd_remote_clear_display(void);
extern void lcd_remote_puts(int x, int y, const unsigned char *string);