diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..804ecee
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.out
+*.hex
diff --git a/utils.c b/utils.c
new file mode 100644
index 0000000..e69de29
diff --git a/utils.h b/utils.h
new file mode 100644
index 0000000..e69de29