1 files changed, 24 insertions, 0 deletions
diff --git a/include/twi.h b/include/twi.h
new file mode 100644
index 0000000..0763c4b
--- /dev/null
+++ b/include/twi.h
@@ -0,0 +1,24 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <stdint.h>
+
+#include "mcu/mcu_def.h"
+
+#ifndef _IOE_TWI_H_
+#define _IOE_TWI_H_
+
+#ifndef MCUSUPPORT_TWI
+#error "No TWI interface is known on your mcu."
+#endif
+
+enum twiMode {
+    TWI_MODE_MASTER,
+    TWI_MODE_SLAVE
+};
+
+void twi_init(enum twiMode);
+int8_t twi_busy(void);
+void twi_join(void);
+void twi_send(uint8_t data);
+
+#endif /* _IOE_TWI_H_ */