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authortmk <nobody@nowhere>2012-08-25 15:49:08 +0900
committertmk <nobody@nowhere>2012-08-28 21:56:15 +0900
commitc5060ea81942b0e3f8577536ff78402a19abe3d3 (patch)
treebcdd4cd269be3064982014b0afdc0aea628d7048 /common/print.h
parent9382bf2f765cfbb8f7a9a48157391cac2bb71780 (diff)
test build of 'Host shield' in minimal env.
Diffstat (limited to 'common/print.h')
-rw-r--r--common/print.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/common/print.h b/common/print.h
index 686fa89acc..d55f5695dc 100644
--- a/common/print.h
+++ b/common/print.h
@@ -29,11 +29,17 @@
#include <avr/pgmspace.h>
-extern bool print_enable;
-
+// avoid collision with arduino/Print.h
+#ifndef __cplusplus
// this macro allows you to write print("some text") and
// the string is automatically placed into flash memory :)
#define print(s) print_P(PSTR(s))
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern bool print_enable;
void print_S(const char *s);
void print_P(const char *s);
@@ -41,5 +47,8 @@ void phex(unsigned char c);
void phex16(unsigned int i);
void pbin(unsigned char c);
void pbin_reverse(unsigned char c);
+#ifdef __cplusplus
+}
+#endif
#endif