diff --git a/Include/system/flash.h b/Include/system/flash.h
new file mode 100644
--- /dev/null
+++ b/Include/system/flash.h
@@ -0,0 +1,46 @@
+#ifndef flash_h
+#define flash_h
+
+
+
+// Flash Structure
+typedef struct
+{
+  uint16_t Blank;
+  uint32_t readings[128];
+
+}flash_t;
+extern flash_t Flash;
+
+
+// Flash States
+enum flash_type
+{
+  Flash_blank         = 1,
+  Flash_good_cksum    = 2,
+  Flash_bad_cksum     = 3,
+  Flash_error         = 4,
+  Flash_default_value = 5,
+  Flash_write         = 6
+};
+
+
+typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
+
+#define PageSize        ((uint16_t)0x400)
+//#define ENDADDR          0x0801FFFF // Medium density
+#define ENDADDR         0x0807FFFF // High density
+
+
+//------------------------------------------------------------------------------
+// Prototypes
+//------------------------------------------------------------------------------
+void init_FLASH(void);
+void flash_load(uint8_t flash_test);
+void flash_erase(void);
+void flash_read(void);
+void flash_write(void);
+void flash_checksum(void);
+
+
+#endif // flash_h