1 files changed, 23 insertions, 0 deletions
diff --git a/src/storage.h b/src/storage.h
new file mode 100644
index 0000000..75998bb
--- /dev/null
+++ b/src/storage.h
@@ -0,0 +1,23 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <stdlib.h>
+
+#define I2C_EEPROM_ADDR 0x50
+
+class Storage {
+	private:
+		void i2c_start_write(void);
+		void i2c_start_read(void);
+		void i2c_stop(void);
+		int8_t i2c_send(uint8_t len, uint8_t *data);
+		int8_t i2c_receive(uint8_t len, uint8_t *data);
+		int8_t i2c_read(uint16_t addr, uint8_t len, uint8_t *data);
+		int8_t i2c_write(uint16_t addr, uint8_t len, uint8_t *data);
+		// TODO "file system" housekeeping (index of first free page)
+	public:
+		Storage() {};
+		void enable();
+		// TODO load / save methods for animations
+};
+
+extern Storage storage;