diff --git a/flash.h b/flash.h
new file mode 100644
--- /dev/null
+++ b/flash.h
@@ -0,0 +1,17 @@
+#ifndef FLASH_H
+#define FLASH_H
+
+#include "states.h"
+
+#define PAGE_SIZE ((uint16_t)0x400)
+#define END_ADDR 0x08007FFF
+
+void flash_init(therm_settings_t* tosave);
+void flash_save(therm_settings_t* tosave);
+void flash_read(therm_settings_t *tosave);
+void flash_write(therm_settings_t* tosave);
+void flash_checksum(therm_settings_t* tosave);
+void flash_erase(therm_settings_t* tosave);
+
+#endif
+