From af0244fb51ccb608440128d0f3303ccce77c14c2 Mon Sep 17 00:00:00 2001
From: Josh Rahm <joshuarahm@gmail.com>
Date: Mon, 22 Jan 2018 00:14:20 -0700
Subject: VERY simple USART set up on USART2.

---
 usart/include/common.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 usart/include/common.h

(limited to 'usart/include/common.h')

diff --git a/usart/include/common.h b/usart/include/common.h
new file mode 100644
index 0000000..d88d82d
--- /dev/null
+++ b/usart/include/common.h
@@ -0,0 +1,18 @@
+#ifndef COMMON__H
+#define COMMON__H
+
+/* Define __IO to be volatile if it's not already. */
+#ifndef __IO
+#define __IO volatile
+#endif
+
+#define bool int
+#ifndef __cplusplus
+#define true 1
+#define false 0
+#endif
+
+#define PACKED __attribute__((packed))
+#define BIT(n) (1 << (n))
+
+#endif /* COMMON_H */
-- 
cgit