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Merged Uwe Freese's bidirectional scrolling patch. Added configurable scroll step size and scroll start delay.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2974 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-12-12 15:20:37 +00:00
parent 2950f6c1e7
commit a2e98c1cd9
8 changed files with 178 additions and 39 deletions
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11
firmware/drivers/lcd-player.c
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@ -69,6 +69,7 @@ static void scroll_thread(void);
static char scroll_stack[DEFAULT_STACK_SIZE];
static char scroll_name[] = "scroll";
static char scroll_speed = 8; /* updates per second */
static char scroll_delay = HZ/2; /* delay before starting scroll */
static char scroll_spacing = 3; /* spaces between end and start of text */
static long scroll_start_tick;
@ -282,7 +283,7 @@ void lcd_puts_scroll(int x, int y, unsigned char* string )
struct scrollinfo* s;
int index;
scroll_start_tick = current_tick + HZ/2;
scroll_start_tick = current_tick + scroll_delay;
/* search for the next free entry */
for (index = 0; index < SCROLLABLE_LINES; index++) {
@ -381,7 +382,7 @@ void lcd_scroll_resume(void)
struct scrollinfo* s;
int index;
scroll_start_tick = current_tick + HZ/2;
scroll_start_tick = current_tick + scroll_delay;
for ( index = 0; index < SCROLLABLE_LINES; index++ ) {
s = &scroll[index];
@ -396,7 +397,7 @@ void lcd_scroll_resume_line(int line)
struct scrollinfo* s;
int index;
scroll_start_tick = current_tick + HZ/2;
scroll_start_tick = current_tick + scroll_delay;
for ( index = 0; index < SCROLLABLE_LINES; index++ ) {
s = &scroll[index];
@ -412,6 +413,10 @@ void lcd_scroll_speed(int speed)
scroll_speed = speed;
}
void lcd_scroll_delay(int ms)
{
scroll_delay = ms / (HZ / 10);
}
static void scroll_thread(void)
{
struct scrollinfo* s;