Index: firmware/App/Drivers/TemperatureSensors.c
===================================================================
diff -u -r9e6e86f604c8cce7c1704ae55d1e026de3422782 -r09583a9e0a51bb47dd04c825cd706f5a3774bded
--- firmware/App/Drivers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 9e6e86f604c8cce7c1704ae55d1e026de3422782)
+++ firmware/App/Drivers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 09583a9e0a51bb47dd04c825cd706f5a3774bded)
@@ -34,6 +34,8 @@
 
 // ********** private definitions **********
 
+#define USE_PT_100                                              1                                               ///< flag to check PT100 use in calculations
+
 #define PRIMARY_HEATER_TEMP_SENSORS_GAIN                        8U                                              ///< Primary heater temperature sensors gain.
 #define PRIMARY_HEATER_TEMP_SENSORS_REF_RESISTANCE              20000                                           ///< Primary heater temperature sensors reference resistance.
 #define PRIMARY_HEATER_TEMP_SENSORS_0_DEGREE_RESISTANCE         1000U                                           ///< Primary heater temperature sensors zero degree resistance.