mirror of
https://github.com/DeeJanuz/frametop.git
synced 2026-10-06 14:00:10 +02:00
20 lines
812 B
C
20 lines
812 B
C
#ifndef FT_CONTROLLER_FALLBACK_H
|
|
#define FT_CONTROLLER_FALLBACK_H
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
struct ft_controller_fallback {
|
|
bool known, present, enabled;
|
|
uint32_t received, absent_since;
|
|
};
|
|
static inline void ft_fallback_presence(struct ft_controller_fallback *f,
|
|
bool present, bool enabled, uint32_t now) {
|
|
if (!f->known || (uint32_t)(now-f->received) >= 3000 || f->present || present)
|
|
f->absent_since = now;
|
|
f->known = true; f->present = present; f->enabled = enabled; f->received = now;
|
|
}
|
|
static inline bool ft_fallback_active(const struct ft_controller_fallback *f, uint32_t now) {
|
|
return f->known && f->enabled && !f->present &&
|
|
(uint32_t)(now-f->received) < 3000 && (uint32_t)(now-f->absent_since) >= 1000;
|
|
}
|
|
#endif
|