diff --git a/main/flash.h b/main/flash.h
new file mode 100644
--- /dev/null
+++ b/main/flash.h
@@ -0,0 +1,8 @@
+#ifndef _FLASH_H
+#define _FLASH_H
+
+void flash_init(void);
+void flash_write(char* key, int32_t val);
+int32_t flash_read(char* key);
+
+#endif
\ No newline at end of file