--- /dev/null
+#include <stdio.h>
+#include "lily58.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;
+}