Implement memory wear leveling algorithm

src/common/memory.h

@@ -1,15 +1,13 @@
 #ifndef MAD_CORE_COMMON_MEMORY_H
 #define MAD_CORE_COMMON_MEMORY_H
 
-typedef struct mem_data_s mem_data_t;
+#define M_TEMPERATURE  0
+#define M_DEWPOINT     1
 
-struct mem_data_s {
-	byte sentinel;  // Data marker bit
-	word value[2];  // Values to be written
-};
-
-int   MEM_Read(mem_data_t *out);
-int   MEM_Write(mem_data_t *in);
+void  MEM_Init(void);
+void  MEM_Write(word temp, word dewp);
+void  MEM_Read(word *temp, word *dewp);
+void  MEM_Free(void);
 void  MEM_Dump(void);
 
 #endif // MAD_CORE_COMMON_MEMORY_H