diff options
| -rw-r--r-- | firmware/drivers/lcd-player.c | 8 | ||||
| -rw-r--r-- | firmware/drivers/lcd.h | 2 |
2 files changed, 8 insertions, 2 deletions
diff --git a/firmware/drivers/lcd-player.c b/firmware/drivers/lcd-player.c index 23dc774..ea75954 100644 --- a/firmware/drivers/lcd-player.c +++ b/firmware/drivers/lcd-player.c @@ -79,6 +79,7 @@ static char scroll_speed = 8; /* updates per second */ static int scroll_delay = HZ/2; /* delay before starting scroll */ static char scroll_spacing = 3; /* spaces between end and start of text */ static bool allow_bidirectional_scrolling = true; +static int bidir_limit = 50; /* percent */ static struct scrollinfo scroll[SCROLLABLE_LINES]; @@ -442,6 +443,11 @@ void lcd_init (void) sizeof(scroll_stack), scroll_name); } +void lcd_bidir_scroll(int percent) +{ + bidir_limit = percent; +} + void lcd_puts_scroll(int x, int y, unsigned char* string ) { struct scrollinfo* s; @@ -463,7 +469,7 @@ void lcd_puts_scroll(int x, int y, unsigned char* string ) s->direction=+1; strncpy(s->text,string,sizeof s->text); s->turn_offset=-1; - if (allow_bidirectional_scrolling && s->textlen + x > 11+4) { + if (bidir_limit && (s->textlen < ((11-x)*(100+bidir_limit))/100)) { s->turn_offset=s->textlen+x-11; } else { for (i=0; i<scroll_spacing && s->textlen<(int)sizeof(s->text); i++) { diff --git a/firmware/drivers/lcd.h b/firmware/drivers/lcd.h index 8c57aa9..a4d8178 100644 --- a/firmware/drivers/lcd.h +++ b/firmware/drivers/lcd.h @@ -88,7 +88,7 @@ extern void lcd_double_height (bool on); unsigned char lcd_get_locked_pattern(void); void lcd_unlock_pattern(unsigned char pat); void lcd_allow_bidirectional_scrolling(bool on); - +extern void lcd_bidir_scroll(int threshold); #endif #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR) |