mirror
/
libx52
mirror of https://github.com/nirenjan/libx52.git
1
0
Fork 0
Code Releases Wiki Activity

feat: Add disconnected flag to event handler 

This change allows a raw event to be sent to all the event handler
callbacks so that when a device is disconnected, the callback routines
can reset their internal states.
master
nirenjan 2026-11-09 11:22:49 -08:00
parent 008e72ea74
commit 4528495f61
3 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
daemon/event_handler.c
View File

@ -38,7 +38,7 @@ int x52d_register_event_handler(uint64_t mask, x52_event_handler_fn fn)
return -1;
}
atomic_store(&handlers[ticket].mask, mask);
atomic_store(&handlers[ticket].mask, mask | LIBX52IO_REPORT_DEVICE_DISCONNECTED);
atomic_store(&handlers[ticket].fn, fn);
return ticket;
@ -61,15 +61,18 @@ int x52d_update_event_handler_mask(int handler, uint64_t new_mask)
}
void x52d_dispatch_event(libx52io_report *prev, libx52io_report *curr)
{
uint64_t changed = libx52io_compare_reports(prev, curr);
x52d_dispatch_event_raw(changed, prev, curr);
}
void x52d_dispatch_event_raw(uint64_t changed, libx52io_report *prev, libx52io_report *curr)
{
int current_limit = atomic_load(&num_handlers);
if (current_limit >= MAX_EVENT_HANDLERS) {
current_limit = MAX_EVENT_HANDLERS;
}
uint64_t changed = libx52io_compare_reports(prev, curr);
for (int i = 0; i < current_limit; i++) {
x52_event_handler_fn callback = atomic_load(&handlers[i].fn);
if (callback == NULL) {

1
daemon/event_handler.h
View File

@ -19,5 +19,6 @@ typedef void (*x52_event_handler_fn)(uint64_t changed,
int x52d_register_event_handler(uint64_t mask, x52_event_handler_fn fn);
int x52d_update_event_handler_mask(int handler, uint64_t new_mask);
void x52d_dispatch_event(libx52io_report *prev, libx52io_report *curr);
void x52d_dispatch_event_raw(uint64_t changed, libx52io_report *prev, libx52io_report *curr);
#endif // !defined X52D_EVENT_HANDLER_H

4
include/libx52/libx52io.h
View File

@ -336,6 +336,10 @@ typedef struct libx52io_report libx52io_report;
#define LIBX52IO_REPORT_BTN_MODE_3 (1ULL << (LIBX52IO_AXIS_MAX + LIBX52IO_BTN_MODE_3))
#define LIBX52IO_REPORT_MODE (1ULL << (LIBX52IO_AXIS_MAX + LIBX52IO_BUTTON_MAX))
#define LIBX52IO_REPORT_HAT (1ULL << (LIBX52IO_AXIS_MAX + LIBX52IO_BUTTON_MAX + 1))
/* High bits are used to flag events */
#define LIBX52IO_REPORT_DEVICE_DISCONNECTED (1ULL << 63)
/** @} */
/**