Yuxiao ZHANG / DHT

1

Dependents:   projet_embarque1

Files at this revision

API Documentation at this revision

Revision 1:2df36c637051, committed 2019-10-01

Comitter:
3874313
Date:
Tue Oct 01 15:01:46 2019 +0000
Parent:
0:9b5b3200688f
Commit message:
utilisation de float;

Changed in this revision

DHT.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 9b5b3200688f -r 2df36c637051 DHT.cpp
--- a/DHT.cpp	Mon Jul 09 19:47:43 2012 +0000
+++ b/DHT.cpp	Tue Oct 01 15:01:46 2019 +0000
@@ -148,7 +148,7 @@
 }
 
 float DHT::CalcTemperature() {
-    int v;
+    float v;
 
     switch (_DHTtype) {
         case DHT11:
@@ -156,9 +156,9 @@
             return float(v);
         case DHT22:
             v = DHT_data[2] & 0x7F;
-            v *= 256;
+            v *= 256.0f;
             v += DHT_data[3];
-            v /= 10;
+            v /= 10.0f;
             if (DHT_data[2] & 0x80)
                 v *= -1;
             return float(v);
@@ -214,7 +214,7 @@
 }
 
 float DHT::CalcHumidity() {
-    int v;
+    float v;
 
     switch (_DHTtype) {
         case DHT11:
@@ -222,9 +222,9 @@
             return float(v);
         case DHT22:
             v = DHT_data[0];
-            v *= 256;
+            v *= 256.0f;
             v += DHT_data[1];
-            v /= 10;
+            v /= 10.0f;
             return float(v);
     }
     return 0;