better error handling

2017-04-12 23:48:35 -04:00 · 2017-04-12 23:48:35 -04:00 · 329981f5e6
parent 8c6253f198
commit 329981f5e6
1 changed files with 6 additions and 0 deletions
--- a/firmware/controllers/math/speed_density.cpp
+++ b/firmware/controllers/math/speed_density.cpp
@ -37,6 +37,12 @@ float getTCharge(int rpm, float tps, float coolantTemp, float airTemp DECLARE_EN

 	float Tcharge = coolantTemp * (1 - Tcharge_coff) + airTemp * Tcharge_coff;

+	if (cisnan(Tcharge)) {
+		// we can probably end up here while resetting engine state - interpolation would fail
+		warning(CUSTOM_ERR_6136, "getTCharge NaN");
+		return coolantTemp;
+	}
+
 	return Tcharge;
 }