Index: firmware/source/gio.c
===================================================================
diff -u -r6d2d8f0267c57135554e5a1acaca9aef37f27949 -rb7c30522ec6cde3ca515f36a053a1fff4e14159c
--- firmware/source/gio.c	(.../gio.c)	(revision 6d2d8f0267c57135554e5a1acaca9aef37f27949)
+++ firmware/source/gio.c	(.../gio.c)	(revision b7c30522ec6cde3ca515f36a053a1fff4e14159c)
@@ -134,7 +134,7 @@
 
     /** - Port B direction */
     gioPORTB->DIR  = (uint32)((uint32)0U << 0U)  /* Bit 0 */
-                   | (uint32)((uint32)0U << 1U)  /* Bit 1 */
+                   | (uint32)((uint32)1U << 1U)  /* Bit 1 */
                    | (uint32)((uint32)0U << 2U)  /* Bit 2 */
                    | (uint32)((uint32)0U << 3U)  /* Bit 3 */
                    | (uint32)((uint32)0U << 4U)  /* Bit 4 */
@@ -153,7 +153,7 @@
                    | (uint32)((uint32)0U << 7U); /* Bit 7 */
 
     /** - Port B pullup / pulldown selection */
-    gioPORTB->PSL  = (uint32)((uint32)0U << 0U)  /* Bit 0 */
+    gioPORTB->PSL  = (uint32)((uint32)1U << 0U)  /* Bit 0 */
                    | (uint32)((uint32)0U << 1U)  /* Bit 1 */
                    | (uint32)((uint32)1U << 2U)  /* Bit 2 */
                    | (uint32)((uint32)0U << 3U)  /* Bit 3 */
@@ -165,7 +165,7 @@
     /** - Port B pullup / pulldown enable*/
     gioPORTB->PULDIS  = (uint32)((uint32)0U << 0U) /* Bit 0 */
                       | (uint32)((uint32)0U << 1U)  /* Bit 1 */
-                      | (uint32)((uint32)1U << 2U)  /* Bit 2 */
+                      | (uint32)((uint32)0U << 2U)  /* Bit 2 */
                       | (uint32)((uint32)0U << 3U)  /* Bit 3 */
                       | (uint32)((uint32)0U << 4U)  /* Bit 4 */
                       | (uint32)((uint32)0U << 5U)  /* Bit 5 */
@@ -228,10 +228,10 @@
                    | (uint32)((uint32)0U << 4U)   /* Bit 4 */
                    | (uint32)((uint32)0U << 5U)   /* Bit 5 */
                    | (uint32)((uint32)0U << 6U)   /* Bit 6 */
-                   | (uint32)((uint32)1U << 7U)   /* Bit 7 */
-                   | (uint32)((uint32)1U << 8U)   /* Bit 8  */
+                   | (uint32)((uint32)0U << 7U)   /* Bit 7 */
+                   | (uint32)((uint32)0U << 8U)   /* Bit 8  */
                    | (uint32)((uint32)0U << 9U)   /* Bit 9  */
-                   | (uint32)((uint32)1U << 10U)  /* Bit 10 */
+                   | (uint32)((uint32)0U << 10U)  /* Bit 10 */
                    | (uint32)((uint32)1U << 11U)  /* Bit 11 */
                    | (uint32)((uint32)0U << 12U)  /* Bit 12 */
                    | (uint32)((uint32)0U << 13U)  /* Bit 13 */