# lv_tick_private.h (/api/private/tick/lv_tick_private_h)



<RelatedHeaders name="lv_tick.h" isPrivate="true" />

<ApiSummary structs="1" />

Structs [#structs]

<ApiMember kind="struct" name="lv_tick_state_t">
  lv_tick_state_t [#lv_tick_state_t]

  | Member         | Type                                | Description |
  | -------------- | ----------------------------------- | ----------- |
  | `sys_time`     | `volatile uint32_t`                 |             |
  | `sys_irq_flag` | `volatile uint8_t`                  |             |
  | `tick_get_cb`  | <ApiLink name="lv_tick_get_cb_t" /> |             |
  | `delay_cb`     | <ApiLink name="lv_delay_cb_t" />    |             |
</ApiMember>

Dependencies [#dependencies]

<FileIncludes includes="[&#x22;lvgl_public.h&#x22;]" includedBy="[&#x22;lv_global.h&#x22;, &#x22;lvgl_private.h&#x22;]" />