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feat(porting): add a macro lv_run_timer_handler_in_period to simplify porting (#3063)

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* feat(porting): add a macro lv_run_timer_handler_in_period to simplify porting

* feat: update helper function and doc

* doc(porting): update function names

* revise to the original os.md

* fix: fix typo

* fix: mitigate warnings
This commit is contained in:
Gabriel Wang
2022-02-07 20:10:12 +00:00
committed by GitHub
parent 9e1b789fb3
commit 796f0c0b4e
2 changed files with 38 additions and 0 deletions
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19
src/misc/lv_timer.h
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@@ -13,6 +13,7 @@ extern "C" {
* INCLUDES
*********************/
#include "../lv_conf_internal.h"
#include "../hal/lv_hal_tick.h"
#include <stdint.h>
#include <stdbool.h>
@@ -68,6 +69,24 @@ LV_ATTRIBUTE_TIMER_HANDLER uint32_t lv_timer_handler(void);
//! @endcond
/**
* Call it in the super-loop of main() or threads. It will run lv_timer_handler()
* with a given period in ms. You can use it with sleep or delay in OS environment.
* This function is used to simplify the porting.
* @param __ms the period for running lv_timer_handler()
*/
static inline LV_ATTRIBUTE_TIMER_HANDLER uint32_t lv_timer_handler_run_in_period(uint32_t ms)
{
static uint32_t last_tick = 0;
uint32_t curr_tick = lv_tick_get();
if ((curr_tick - last_tick) >= (ms)) {
last_tick = curr_tick;
return lv_timer_handler();
}
return 1;
}
/**
* Create an "empty" timer. It needs to initialized with at least
* `lv_timer_set_cb` and `lv_timer_set_period`