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- /*
- 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(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
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