kb01/zmk
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat(display): Add optional full refresh timer.

Browse source 
* Useful for EPD that ghost after several partial updates. Only a
  temporary fix, tracking number of partial updates and triggering
  full refreshes based on that would be better.
This commit is contained in:
Peter Johanson 2021-10-05 16:12:10 +00:00 • committed by hannah
parent e780a61671
commit 310ff449d8
2 changed files with 25 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
app/src/display/Kconfig
View file

@ -176,6 +176,13 @@ choice ZMK_LV_FONT_DEFAULT_SMALL
select LV_FONT_UNSCII_16 select LV_FONT_UNSCII_16
endchoice endchoice
config ZMK_DISPLAY_FULL_REFRESH_PERIOD
int "(Optional) Period to issue a full refresh to the display (in seconds)"
default 0
help
Period in seconds for how often to completely refresh/redraw the whole screen.
Most useful for e-ink/EPD displays that require occasional full redraws.
rsource "widgets/Kconfig" rsource "widgets/Kconfig"
endif endif

18
app/src/display/main.c
View file

@ -50,6 +50,17 @@ struct k_work_q *zmk_display_work_q() {
#endif #endif
} }
#if CONFIG_ZMK_DISPLAY_FULL_REFRESH_PERIOD > 0
void full_refresh_work_cb(struct k_work *work) { lv_obj_invalidate(lv_scr_act()); }
K_WORK_DEFINE(full_refresh_work, full_refresh_work_cb);
void full_refresh_timer_cb() { k_work_submit_to_queue(zmk_display_work_q(), &full_refresh_work); }
K_TIMER_DEFINE(full_refresh_timer, full_refresh_timer_cb, NULL);
#endif
void display_timer_cb() { k_work_submit_to_queue(zmk_display_work_q(), &display_tick_work); } void display_timer_cb() { k_work_submit_to_queue(zmk_display_work_q(), &display_tick_work); }
K_TIMER_DEFINE(display_timer, display_timer_cb, NULL); K_TIMER_DEFINE(display_timer, display_timer_cb, NULL);
@ -57,6 +68,10 @@ K_TIMER_DEFINE(display_timer, display_timer_cb, NULL);
void unblank_display_cb(struct k_work *work) { void unblank_display_cb(struct k_work *work) {
display_blanking_off(display); display_blanking_off(display);
k_timer_start(&display_timer, K_MSEC(TICK_MS), K_MSEC(TICK_MS)); k_timer_start(&display_timer, K_MSEC(TICK_MS), K_MSEC(TICK_MS));
#if CONFIG_ZMK_DISPLAY_FULL_REFRESH_PERIOD > 0
k_timer_start(&full_refresh_timer, K_SECONDS(CONFIG_ZMK_DISPLAY_FULL_REFRESH_PERIOD),
K_SECONDS(CONFIG_ZMK_DISPLAY_FULL_REFRESH_PERIOD));
#endif
} }
#if IS_ENABLED(CONFIG_ZMK_DISPLAY_BLANK_ON_IDLE) #if IS_ENABLED(CONFIG_ZMK_DISPLAY_BLANK_ON_IDLE)
@ -64,6 +79,9 @@ void unblank_display_cb(struct k_work *work) {
void blank_display_cb(struct k_work *work) { void blank_display_cb(struct k_work *work) {
k_timer_stop(&display_timer); k_timer_stop(&display_timer);
display_blanking_on(display); display_blanking_on(display);
#if CONFIG_ZMK_DISPLAY_FULL_REFRESH_PERIOD > 0
k_timer_stop(&full_refresh_timer);
#endif
} }
K_WORK_DEFINE(blank_display_work, blank_display_cb); K_WORK_DEFINE(blank_display_work, blank_display_cb);
K_WORK_DEFINE(unblank_display_work, unblank_display_cb); K_WORK_DEFINE(unblank_display_work, unblank_display_cb);