diff options
| -rw-r--r-- | src/display.cc | 7 | ||||
| -rw-r--r-- | src/display.h | 7 |
2 files changed, 10 insertions, 4 deletions
diff --git a/src/display.cc b/src/display.cc index f06b5e3..98b394a 100644 --- a/src/display.cc +++ b/src/display.cc @@ -45,8 +45,6 @@ void Display::enable() void Display::multiplex() { - static uint8_t scroll; - /* * To avoid flickering, do not put any code (or expensive index * calculations) between the following three lines. @@ -57,8 +55,8 @@ void Display::multiplex() if (++active_col == 8) { active_col = 0; - if (++scroll == current_anim->speed) { - scroll = 0; + if (++update_cnt == current_anim->speed) { + update_cnt = 0; need_update = 1; } } @@ -170,6 +168,7 @@ void Display::reset() { for (uint8_t i = 0; i < 8; i++) disp_buf[i] = 0xff; + update_cnt = 0; str_pos = 0; str_chunk = 0; char_pos = -1; diff --git a/src/display.h b/src/display.h index fd91994..1bf5758 100644 --- a/src/display.h +++ b/src/display.h @@ -88,6 +88,13 @@ class Display { animation_t *current_anim; /** + * Internal display update counter. Incremented by multiplex(). + * update() is called (and the counter reset) whenever + * update_cnt == need_update. + */ + uint8_t update_cnt; + + /** * Set to a true value by multiplex() if an update (that is, * a scroll step or a new frame) is needed. Checked and reset to * false by update(). |