diff --git a/states.h b/states.h
--- a/states.h
+++ b/states.h
@@ -8,7 +8,7 @@ typedef struct {
     uint8_t state;
     int32_t setpoint;
     uint8_t pid_enabled;
-    uint8_t tc_errno;
+    uint8_t error_code;
 } therm_status_t;
 
 typedef union
@@ -21,7 +21,7 @@ typedef union
         uint32_t k_i;
         uint32_t k_d;
         int32_t temp_offset;
-        uint32_t ignore_tc_error;
+        uint32_t ignore_error;
         int32_t setpoint_brew;
         int32_t setpoint_steam;
     } val;
@@ -52,4 +52,12 @@ enum state {
     STATE_TC_ERROR,
 };
 
+enum GOTO_MODE {
+	MODE_HEAT = 0,
+	MODE_SETUP,
+	MODE_RESET,
+	MODE_BOOTLOADER,
+	MODE_SIZE,
+};
+
 #endif