From 43445e80e4b5eca54ae9502b405ae37d5ad54623 Mon Sep 17 00:00:00 2001
From: Matthew Kennedy <makenne@microsoft.com>
Date: Thu, 10 Dec 2020 21:05:02 -0800
Subject: [PATCH] warning

---
 firmware/heater_control.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/firmware/heater_control.cpp b/firmware/heater_control.cpp
index 4dd82d2..2d17bb9 100644
--- a/firmware/heater_control.cpp
+++ b/firmware/heater_control.cpp
@@ -89,6 +89,9 @@ static float GetDutyForState(HeaterState state, float heaterEsr)
             // Something has gone wrong, return 0.
             return 0;
     }
+
+    // should be unreachable
+    return 0;
 }
 
 static HeaterState state = HeaterState::Preheat;