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-rw-r--r--cc3200/mods/pybrtc.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/cc3200/mods/pybrtc.h b/cc3200/mods/pybrtc.h
index abe38cc380..5f1ff654d7 100644
--- a/cc3200/mods/pybrtc.h
+++ b/cc3200/mods/pybrtc.h
@@ -25,9 +25,14 @@
* THE SOFTWARE.
*/
+#ifndef PYBRTC_H_
+#define PYBRTC_H_
+
#define RTC_U16MS_CYCLES(msec) ((msec * 1024) / 1000)
#define RTC_CYCLES_U16MS(cycles) ((cycles * 1000) / 1024)
extern const mp_obj_type_t pyb_rtc_type;
void pybrtc_init(void);
+
+#endif // PYBRTC_H_