diff --git a/system/spi.h b/system/spi.h
new file mode 100644
--- /dev/null
+++ b/system/spi.h
@@ -0,0 +1,11 @@
+#ifndef SPI_H
+#define SPI_H
+
+#include "stm32f0xx_hal_conf.h"
+
+void spi_init();
+SPI_HandleTypeDef* spi_get();
+
+#endif
+
+// vim:softtabstop=4 shiftwidth=4 expandtab