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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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18
firmware/drivers/lcd-h100-remote.c
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@ -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;
@ -177,7 +184,7 @@ void lcd_remote_write_data(const unsigned char* p_bytes, int count)
CLK_HI;
data <<= 1;
DELAY;
CLK_LO;
}
}
@ -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)
@ -476,7 +488,7 @@ static void remote_tick(void)
}
}
}
}
}
#endif /* !SIMULATOR */
/* LCD init */