forked from forks/qmk_firmware
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*
|
|
Copyright (C) 2020 Ryan Caltabiano <https://github.com/XScorpion2>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
this software and associated documentation files (the "Software"), to deal in
|
|
the Software without restriction, including without limitation the rights to
|
|
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
of the Software, and to permit persons to whom the Software is furnished to do
|
|
so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
If you happen to meet one of the copyright holders in a bar you are obligated
|
|
to buy them one pint of beer.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
|
|
#include "sync_timer.h"
|
|
#include "keyboard.h"
|
|
|
|
#if (defined(SPLIT_KEYBOARD) || defined(SERIAL_LINK_ENABLE)) && !defined(DISABLE_SYNC_TIMER)
|
|
volatile int32_t sync_timer_ms;
|
|
|
|
void sync_timer_init(void) { sync_timer_ms = 0; }
|
|
|
|
void sync_timer_update(uint32_t time) {
|
|
if (is_keyboard_master()) return;
|
|
sync_timer_ms = time - timer_read32();
|
|
}
|
|
|
|
uint16_t sync_timer_read(void) {
|
|
if (is_keyboard_master()) return timer_read();
|
|
return sync_timer_read32();
|
|
}
|
|
|
|
uint32_t sync_timer_read32(void) {
|
|
if (is_keyboard_master()) return timer_read32();
|
|
return sync_timer_ms + timer_read32();
|
|
}
|
|
|
|
uint16_t sync_timer_elapsed(uint16_t last) {
|
|
if (is_keyboard_master()) return timer_elapsed(last);
|
|
return TIMER_DIFF_16(sync_timer_read(), last);
|
|
}
|
|
|
|
uint32_t sync_timer_elapsed32(uint32_t last) {
|
|
if (is_keyboard_master()) return timer_elapsed32(last);
|
|
return TIMER_DIFF_32(sync_timer_read32(), last);
|
|
}
|
|
#endif
|