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fl16: Keep keyboard out of suspend at least 30s

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With selective suspend windows likes to suspend the keyboard very
eagerly after 5 seconds without activity. So we send keyboard reports
every second for 25 seconds to keep it awake.

Signed-off-by: Daniel Schaefer <dhs@frame.work>
This commit is contained in:
Daniel Schaefer 2023-11-21 16:09:54 +08:00
parent daa14d08fd
commit f449ecc074
1 changed files with 20 additions and 1 deletions
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21
keyboards/framework/matrix.c
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@ -313,6 +313,9 @@ bool handle_idle(void) {
return false; return false;
} }
static uint16_t keepalive_timer = 0;
static uint16_t keepalive_count = 0;
/** /**
* Overriding behavior of matrix_scan from quantum/matrix.c * Overriding behavior of matrix_scan from quantum/matrix.c
*/ */
@ -381,7 +384,23 @@ bool matrix_scan_custom(matrix_row_t current_matrix[]) {
} }
} }
return changed; if (changed) {
keepalive_timer = timer_read();
keepalive_count = 25;
} else {
// Measure how many seconds have passed
if (keepalive_count > 0 && TIMER_DIFF_16(timer_read(), keepalive_timer) >= 1000) {
keepalive_timer = timer_read();
keepalive_count -= 1;
// Print to the console to cause bus activity,
// preventing the driver from suspending the device
uprintf("Keepalive: %d\n", keepalive_count);
send_keyboard_report();
}
}
return changed;
} }
//bool process_record_user(uint16_t keycode, keyrecord_t *record) { //bool process_record_user(uint16_t keycode, keyrecord_t *record) {