diff --git a/spi.h b/spi.h
new file mode 100644
--- /dev/null
+++ b/spi.h
@@ -0,0 +1,8 @@
+#ifndef SPI_H
+#define SPI_H
+
+void init_spi(void);
+
+#endif
+
+// vim:softtabstop=4 shiftwidth=4 expandtab