From ea524d7befeb743c5316cb472f9180536ced5862 Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Mon, 22 Sep 2014 10:42:20 +0900
Subject: Adhoc fix compile error of usb_usb

---
 common/xprintf.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'common/xprintf.h')

diff --git a/common/xprintf.h b/common/xprintf.h
index f58bca817b..59c6f25312 100644
--- a/common/xprintf.h
+++ b/common/xprintf.h
@@ -8,6 +8,10 @@
 #include <inttypes.h>
 #include <avr/pgmspace.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern void (*xfunc_out)(uint8_t);
 #define xdev_out(func) xfunc_out = (void(*)(uint8_t))(func)
 
@@ -99,5 +103,9 @@ char xatoi(char **str, long *ret);
     Pointer to return value
 */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
-- 
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