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-rw-r--r--hwdef-Tripledown.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/hwdef-Tripledown.h b/hwdef-Tripledown.h
index 4676e69..6bde976 100644
--- a/hwdef-Tripledown.h
+++ b/hwdef-Tripledown.h
@@ -1,3 +1,6 @@
+#ifndef HWDEF_TRIPLEDOWN_H
+#define HWDEF_TRIPLEDOWN_H
+
/* Tripledown driver layout
* ----
* Reset -|1 8|- VCC
@@ -31,3 +34,6 @@
#define FAST 0xA3 // fast PWM both channels
#define PHASE 0xA1 // phase-correct PWM both channels
+#define LAYOUT_DEFINED
+
+#endif