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-rw-r--r--spectro/hcfr.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/spectro/hcfr.h b/spectro/hcfr.h
index 8910cec..2420fdf 100644
--- a/spectro/hcfr.h
+++ b/spectro/hcfr.h
@@ -35,11 +35,14 @@
#include "inst.h"
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
/* Required minimum firmware version */
#define HCFR_FIRMWARE_MAJOR_VERSION 5
#define HCFR_FIRMWARE_MINOR_VERSION 0
-
/* Command byte contents. (A value of 0x00 won't be tranmsitted properly) */
/* 0xff = get firmware version */
@@ -99,6 +102,9 @@ struct _hcfr {
/* Constructor */
extern hcfr *new_hcfr(icoms *icom, instType itype);
+#ifdef __cplusplus
+ }
+#endif
#define HCFR_H
#endif /* HCFR_H */