From 8d9f527081d3a5fc8a0286e47022a70df8eb9111 Mon Sep 17 00:00:00 2001
From: Joakim Tufvegren <jocke@barbanet.com>
Date: Sun, 20 Jun 2021 04:18:00 +0200
Subject: [PATCH] Add sync_timer support over serial_link (i.e. Ergodox
Infinity) (#12845)
---
quantum/serial_link/system/serial_link.c | 22 ++++++++++++++++++++++
tmk_core/common/sync_timer.c | 2 +-
tmk_core/common/sync_timer.h | 2 +-
3 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/quantum/serial_link/system/serial_link.c b/quantum/serial_link/system/serial_link.c
index f77483ad8c..6363f8ff3b 100644
--- a/quantum/serial_link/system/serial_link.c
+++ b/quantum/serial_link/system/serial_link.c
@@ -29,10 +29,13 @@ SOFTWARE.
#include "serial_link/protocol/transport.h"
#include "serial_link/protocol/frame_router.h"
#include "matrix.h"
+#include "sync_timer.h"
#include <stdbool.h>
#include "print.h"
#include "config.h"
+#define SYNC_TIMER_OFFSET 2
+
static event_source_t new_data_event;
static bool serial_link_connected;
static bool is_master = false;
@@ -159,10 +162,16 @@ static matrix_object_t last_matrix = {};
SLAVE_TO_MASTER_OBJECT(keyboard_matrix, matrix_object_t);
MASTER_TO_ALL_SLAVES_OBJECT(serial_link_connected, bool);
+#ifndef DISABLE_SYNC_TIMER
+MASTER_TO_ALL_SLAVES_OBJECT(sync_timer, uint32_t);
+#endif
static remote_object_t* remote_objects[] = {
REMOTE_OBJECT(serial_link_connected),
REMOTE_OBJECT(keyboard_matrix),
+#ifndef DISABLE_SYNC_TIMER
+ REMOTE_OBJECT(sync_timer),
+#endif
};
void init_serial_link(void) {
@@ -200,14 +209,27 @@ void serial_link_update(void) {
m->rows[i] = matrix.rows[i];
}
end_write_keyboard_matrix();
+
*begin_write_serial_link_connected() = true;
end_write_serial_link_connected();
+
+#ifndef DISABLE_SYNC_TIMER
+ *begin_write_sync_timer() = sync_timer_read32() + SYNC_TIMER_OFFSET;
+ end_write_sync_timer();
+#endif
}
matrix_object_t* m = read_keyboard_matrix(0);
if (m) {
matrix_set_remote(m->rows, 0);
}
+
+#ifndef DISABLE_SYNC_TIMER
+ uint32_t* t = read_sync_timer();
+ if (t) {
+ sync_timer_update(*t);
+ }
+#endif
}
void signal_data_written(void) { chEvtBroadcast(&new_data_event); }
diff --git a/tmk_core/common/sync_timer.c b/tmk_core/common/sync_timer.c
index de24b463b6..68b92d8b43 100644
--- a/tmk_core/common/sync_timer.c
+++ b/tmk_core/common/sync_timer.c
@@ -26,7 +26,7 @@ SOFTWARE.
#include "sync_timer.h"
#include "keyboard.h"
-#if defined(SPLIT_KEYBOARD) && !defined(DISABLE_SYNC_TIMER)
+#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; }
diff --git a/tmk_core/common/sync_timer.h b/tmk_core/common/sync_timer.h
index 9ddef45bb2..744e2b50d5 100644
--- a/tmk_core/common/sync_timer.h
+++ b/tmk_core/common/sync_timer.h
@@ -32,7 +32,7 @@ SOFTWARE.
extern "C" {
#endif
-#if defined(SPLIT_KEYBOARD) && !defined(DISABLE_SYNC_TIMER)
+#if (defined(SPLIT_KEYBOARD) || defined(SERIAL_LINK_ENABLE)) && !defined(DISABLE_SYNC_TIMER)
void sync_timer_init(void);
void sync_timer_update(uint32_t time);
uint16_t sync_timer_read(void);