check for initialization errors in HD44780 sub-drivers

2006-04-14 12:15:41 +00:00
parent 4261f03cfc
commit c4e41d5fd5
1 changed files with 2 additions and 1 deletions
@@ -307,7 +307,8 @@ HD44780_init (Driver * drvthis)
 	p->hd44780_functions->output = NULL;

 	// Do connection type specific display init
-	connectionMapping[p->connectiontype_index].init_fn (drvthis);
+	if (connectionMapping[p->connectiontype_index].init_fn (drvthis) != 0)
+		return -1;

 	// Display startup parameters on the LCD
 	HD44780_clear (drvthis);