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use OS sleep instead of polling to reduce CPU usage

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without this lvgl never releases the CPU, and just pegs one of the cores
to 100%. see
<https://github.com/lvgl/lvgl/blob/master/docs/porting/timer_handler.rst>
This commit is contained in:
Colin
2024-10-05 12:15:20 +00:00
parent 1e5ae8f8e5
commit c3cf7cee4e
2 changed files with 4 additions and 2 deletions
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3
buffyboard/main.c
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@@ -284,7 +284,8 @@ int main(int argc, char *argv[]) {
/* Periodically run timer / task handler */ /* Periodically run timer / task handler */
while(1) { while(1) {
lv_timer_periodic_handler(); uint32_t time_till_next = lv_timer_handler();
usleep(time_till_next);
} }
return 0; return 0;

3
unl0kr/main.c
View File

@@ -591,7 +591,8 @@ int main(int argc, char *argv[]) {
uint32_t timeout = conf_opts.general.timeout * 1000; /* ms */ uint32_t timeout = conf_opts.general.timeout * 1000; /* ms */
while(1) { while(1) {
if (!timeout || lv_disp_get_inactive_time(NULL) < timeout) { if (!timeout || lv_disp_get_inactive_time(NULL) < timeout) {
lv_timer_periodic_handler(); uint32_t time_till_next = lv_timer_handler();
usleep(time_till_next);
} else if (timeout) { } else if (timeout) {
shutdown(); shutdown();
} }