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feat(display): Add config for display update period (#2819) 

Add `CONFIG_ZMK_DISPLAY_TICK_PERIOD_MS` Kconfig to allow tweaking
the period between display updates.
This commit is contained in:
Pete Johanson 2025-02-10 11:32:16 -07:00 committed by GitHub
parent 627e6dbec9
commit aa3e5dd70f
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GPG Key ID: B5690EEEBB952194
3 changed files with 17 additions and 12 deletions
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4
app/src/display/Kconfig
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@ -13,6 +13,10 @@ config ZMK_DISPLAY_BLANK_ON_IDLE
bool "Blank display on idle"
default y if SSD1306
config ZMK_DISPLAY_TICK_PERIOD_MS
int "Period (in ms) between display task execution"
default 10
if LV_USE_THEME_MONO
config ZMK_DISPLAY_INVERT

5
app/src/display/main.c
View File

@ -39,8 +39,6 @@ __attribute__((weak)) lv_obj_t *zmk_display_status_screen() { return NULL; }
void display_tick_cb(struct k_work *work) { lv_task_handler(); }
#define TICK_MS 10
K_WORK_DEFINE(display_tick_work, display_tick_cb);
#if IS_ENABLED(CONFIG_ZMK_DISPLAY_WORK_QUEUE_DEDICATED)
@ -69,7 +67,8 @@ void unblank_display_cb(struct k_work *work) {
#endif
display_blanking_off(display);
#if !IS_ENABLED(CONFIG_ARCH_POSIX)
k_timer_start(&display_timer, K_MSEC(TICK_MS), K_MSEC(TICK_MS));
k_timer_start(&display_timer, K_MSEC(CONFIG_ZMK_DISPLAY_TICK_PERIOD_MS),
K_MSEC(CONFIG_ZMK_DISPLAY_TICK_PERIOD_MS));
#endif // !IS_ENABLED(CONFIG_ARCH_POSIX)
}

4
docs/docs/config/displays.md
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@ -15,8 +15,10 @@ Definition files:
- [zmk/app/src/display/widgets/Kconfig](https://github.com/zmkfirmware/zmk/blob/main/app/src/display/widgets/Kconfig)
| Config | Type | Description | Default |
| -------------------------------------------------- | ---- | -------------------------------------------------------------- | ------- |
| -------------------------------------------------- | ---- | -------------------------------------------------------------- | ------------ |
| `CONFIG_ZMK_DISPLAY` | bool | Enable support for displays | n |
| `CONFIG_ZMK_DISPLAY_BLANK_ON_IDLE` | bool | Blank display on idle | y if SSD1306 |
| `CONFIG_ZMK_DISPLAY_TICK_PERIOD_MS` | int | Period (in ms) between display task execution | 10 |
| `CONFIG_ZMK_DISPLAY_INVERT` | bool | Invert display colors from black-on-white to white-on-black | n |
| `CONFIG_ZMK_WIDGET_LAYER_STATUS` | bool | Enable a widget to show the highest, active layer | y |
| `CONFIG_ZMK_WIDGET_BATTERY_STATUS` | bool | Enable a widget to show battery charge information | y |