diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 6d548b359c..67c888de2b 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -356,7 +356,7 @@ static void getFloat(int offset) {
 	/**
 	 * this response is part of dev console API
 	 */
-	scheduleMsg(&logger, "float @%d is %f", offset, value);
+	scheduleMsg(&logger, "float @%d is %..100000f", offset, value);
 }
 
 static void setFloat(const char *offsetStr, const char *valueStr) {
diff --git a/firmware/controllers/sensors/thermistors.cpp b/firmware/controllers/sensors/thermistors.cpp
index b1b7d186b8..78d486ee31 100644
--- a/firmware/controllers/sensors/thermistors.cpp
+++ b/firmware/controllers/sensors/thermistors.cpp
@@ -23,6 +23,8 @@
 EXTERN_ENGINE
 ;
 
+static Logging *logger;
+
 static bool initialized = false;
 
 /**
@@ -131,24 +133,36 @@ void setThermistorConfiguration(ThermistorConf * tc, float tempC1, float r1, flo
 }
 
 void prepareThermistorCurve(ThermistorConf * config) {
+    efiAssertVoid(config!=NULL, "therm config");
 	float T1 = config->tempC_1 + KELV;
 	float T2 = config->tempC_2 + KELV;
 	float T3 = config->tempC_3 + KELV;
+	scheduleMsg(logger, "T1=%..100000f/T2=%..100000f/T3=%..100000f", T1, T2, T3);
 
 	float L1 = logf(config->resistance_1);
 	float L2 = logf(config->resistance_2);
 	float L3 = logf(config->resistance_3);
+	scheduleMsg(logger, "R1=%..100000f/R2=%..100000f/R3=%..100000f", config->resistance_1, config->resistance_2, config->resistance_3);
+	scheduleMsg(logger, "L1=%..100000f/L2=%..100000f/L3=%..100000f", L1, L2, L3);
 
 	float Y1 = 1 / T1;
 	float Y2 = 1 / T2;
 	float Y3 = 1 / T3;
 
+	scheduleMsg(logger, "Y1=%..100000f/Y2=%..100000f/Y3=%..100000f", Y1, Y2, Y3);
+
 	float U2 = (Y2 - Y1) / (L2 - L1);
 	float U3 = (Y3 - Y1) / (L3 - L1);
 
+	scheduleMsg(logger, "U2=%..100000f/U3=%..100000f", U2, U3);
+
+
 	config->s_h_c = (U3 - U2) / (L3 - L2) * pow(L1 + L2 + L3, -1);
 	config->s_h_b = U2 - config->s_h_c * (L1 * L1 + L1 * L2 + L2 * L2);
 	config->s_h_a = Y1 - (config->s_h_b + L1 * L1 * config->s_h_c) * L1;
+
+	scheduleMsg(logger, "s_h_c=%..100000f/s_h_b=%..100000f/s_h_a=%..100000f", config->s_h_c, config->s_h_b, config->s_h_a);
+
 }
 
 /**
@@ -183,17 +197,19 @@ void setCommonNTCSensor(ThermistorConf *thermistorConf) {
 	setThermistorConfiguration(thermistorConf, -20, 18000, 23.8889, 2100, 120.0, 100.0);
 }
 
-static Logging *logger;
-
 #if EFI_PROD_CODE
 static void testCltByR(float resistance) {
 	Thermistor *thermistor = &engine->clt;
 	float kTemp = getKelvinTemperature(resistance, thermistor->config);
 	scheduleMsg(logger, "for R=%f we have %f", resistance, (kTemp - KELV));
+
+	initThermistorCurve(&engine->clt, &engine->engineConfiguration->clt, engine->engineConfiguration->cltAdcChannel);
+
 }
 #endif
 
 void initThermistors(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S) {
+	logger = sharedLogger;
 	efiAssertVoid(engine!=NULL, "e NULL initThermistors");
 	efiAssertVoid(engine->engineConfiguration2!=NULL, "e2 NULL initThermistors");
 	initThermistorCurve(&engine->clt, &engine->engineConfiguration->clt, engine->engineConfiguration->cltAdcChannel);
diff --git a/firmware/controllers/sensors/thermistors.h b/firmware/controllers/sensors/thermistors.h
index bd05d35e5d..2d68962ea2 100644
--- a/firmware/controllers/sensors/thermistors.h
+++ b/firmware/controllers/sensors/thermistors.h
@@ -11,7 +11,7 @@
 #include "main.h"
 
 #define _5_VOLTS 5.0
-#define KELV 273.15
+#define KELV 273.15f
 
 #include "sensor_types.h"
 #include "engine.h"
diff --git a/firmware/svnversion.h b/firmware/svnversion.h
index 697d73baa6..800fa8c657 100644
--- a/firmware/svnversion.h
+++ b/firmware/svnversion.h
@@ -1,5 +1,5 @@
 // This file was generated by Version2Header
-// Mon Feb 16 16:09:44 EST 2015
+// Wed Feb 18 21:12:04 EST 2015
 #ifndef VCS_VERSION
-#define VCS_VERSION "6883"
+#define VCS_VERSION "6940"
 #endif
diff --git a/firmware/util/datalogging.cpp b/firmware/util/datalogging.cpp
index f06ca05050..a8472b249c 100644
--- a/firmware/util/datalogging.cpp
+++ b/firmware/util/datalogging.cpp
@@ -298,6 +298,7 @@ void printMsg(Logging *logger, const char *fmt, ...) {
  * in order to reduce memory usage
  */
 void scheduleMsg(Logging *logging, const char *fmt, ...) {
+	efiAssertVoid(logging != NULL, "logging NULL");
 	int wasLocked = lockAnyContext();
 	resetLogging(logging); // todo: is 'reset' really needed here?
 	appendMsgPrefix(logging);