Joseph Ellsworth / temp-thermisterfor-ERT-J0

Calculate temperature based on resistance from thermistor with lookup chart

Diff: thermister_ert-j0eg1.cpp

Revision:
4:25c01de9fb3f
Parent:
1:cc492e6ba333
--- a/thermister_ert-j0eg1.cpp	Thu Mar 10 22:15:04 2016 +0000
+++ b/thermister_ert-j0eg1.cpp	Fri Jul 15 13:46:23 2016 +0000
@@ -13,7 +13,7 @@
 
 
 float conv_c_to_f(float tempC) {  
-  return (tempC * 1.8) + 32.0;
+  return (tempC * 1.8f) + 32.0f;
 }
 
 
@@ -25,7 +25,7 @@
 float readTemp(AnalogIn adcpin) {    
     //sensorValue = avgRead(adcpin,3,2);
     float sensorValue = adcpin.read() * adc_ref;    
-    long sensorResist =  calcResistV(22000, adc_ref, sensorValue);
+    long sensorResist =  calcResistV(22100, adc_ref, sensorValue);
     int tempCnt = thermisterBase;   
     int tempndx = 0;