Keyboard: Improvement of crkbd communication functions (based on helix-keyboard) (#3798)

* improvement of crkbd communication functions (based on  helix-keyboard)

* Removed unnecessary code.

* Changed read restriction from #define to #pragma once.

* Changed from sizeof to defined size.

* moved lib folder to crkbdroot.
removed warning of ws2812.d

1 files changed, 16 insertions, 0 deletions

diff --git a/keyboards/crkbd/lib/timelogger.c b/keyboards/crkbd/lib/timelogger.c
new file mode 100644
index 0000000000..69828a3a08
--- /dev/null
+++ b/keyboards/crkbd/lib/timelogger.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include "crkbd.h"
+
+char timelog_str[24] = {};
+int last_time = 0;
+int elapsed_time = 0;
+
+void set_timelog(void) {
+  elapsed_time = timer_elapsed(last_time);
+  last_time = timer_read();
+  snprintf(timelog_str, sizeof(timelog_str), "lt:%5d, et:%5d", last_time, elapsed_time);
+}
+
+const char *read_timelog(void) {
+  return timelog_str;
+}