1 files changed, 21 insertions, 0 deletions
diff --git a/spi.h b/spi.h
new file mode 100644
index 0000000..acee3b5
--- /dev/null
+++ b/spi.h
@@ -0,0 +1,21 @@
+#include <avr/io.h>
+#include <stdint.h>
+
+#include "mcu/mcu.h"
+
+#ifndef _IOE_SPI_H_
+#define _IOE_SPI_H_
+
+inline void ioe_spi_init(void);
+inline int ioe_spi_ready(void);
+inline void ioe_spi_join(void);
+#ifdef IOE_SPI_MASTER
+inline int8_t ioe_spi_transfer(int8_t data);
+#else /* IOE_SPI_MASTER */
+inline void ioe_spi_expose(int8_t data);
+#endif /* IOE_SPI_MASTER */
+
+// Following function must be user defined
+inline void ioe_spi_retrieve(int8_t);
+
+#endif /* _IOE_SPI_H_ */