Resolve adafruit#24 by adding convert F to C function.

levkov · Jul 26, 2014 · 7f7425f · 7f7425f
1 parent f2a48d6
commit 7f7425f
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diff --git a/DHT.cpp b/DHT.cpp
@@ -53,6 +53,10 @@ float DHT::convertCtoF(float c) {
 	return c * 9 / 5 + 32;
 }
 
+float DHT::convertFtoC(float f) {
+  return (f - 32) * 5 / 9; 
+}
+
 float DHT::readHumidity(void) {
   float f;
   if (read()) {

diff --git a/DHT.h b/DHT.h
@@ -32,6 +32,7 @@ class DHT {
   void begin(void);
   float readTemperature(bool S=false);
   float convertCtoF(float);
+  float convertFtoC(float);
   float computeHeatIndex(float tempFahrenheit, float percentHumidity);
   float readHumidity(void);
   boolean read(void);