Fix PTC calculation (#18265)

4 years ago · eef2931150
1 changed files with 3 additions and 3 deletions
--- a/Marlin/src/feature/probe_temp_comp.cpp
+++ b/Marlin/src/feature/probe_temp_comp.cpp
@ -179,7 +179,7 @@ float ProbeTempComp::get_offset_for_temperature(const TempSensorID tsi, const fl
  };

  // Linear interpolation
-  uint8_t idx = static_cast<uint8_t>(temp - start_temp / res_temp);
+  uint8_t idx = static_cast<uint8_t>((temp - start_temp) / res_temp);

  // offset in um
  float offset = 0.0f;