Pass variable structure as argument for memory functions

src/main.c

@@ -32,6 +32,8 @@ static word dewp, dewp_target;
 
 static int Init(void)
 {
+	mem_block_t mem;
+
 	state = S_IDLE;
 
 	// MOSFETS control things like the heating element
@@ -73,12 +75,17 @@ static int Init(void)
 	// used.
 
 	MEM_Init();
-	MEM_Read(&temp_target, &dewp_target);
-	Info("Persistent memory contains [%d, %d]",
-		temp_target, dewp_target);
 
-	// MEM_Write(20, 60);
-	// MEM_Dump();
+	// mem.temp = 30.50f;
+	// mem.dewp = 15.25f;
+	// MEM_Write(&mem);
+	// MEM_Free();
+
+	if (MEM_Read(&mem) == 0) {
+		Info("Found persistent configuration in EEPROM!");
+		Info("Setting targets TEMP='%.2f', DEWP='%.2f'.",
+			mem.temp, mem.dewp);
+	}
 
 	// There is a possiblity to use interrupt signals
 	// for I2C communication but only as one large