uart: add ledctrl app

2021-02-22 20:37:18 -08:00
parent b8ee42bfc2
commit 2f210dd561
5 changed files with 55 additions and 0 deletions
--- a/uart/util.h
+++ b/uart/util.h
@@ -0,0 +1,2 @@
+/** waits a general amount of time */
+void busy_sleep(int ms);