Revision 1:42593954052a, committed 2015-02-25

Comitter:

mbotkinl

Date:

Wed Feb 25 20:23:00 2015 +0000

Parent:

0:9b5b3200688f

Commit message:

Commented out some errors in DHT library

Changed in this revision

--- a/DHT.cpp	Mon Jul 09 19:47:43 2012 +0000
+++ b/DHT.cpp	Wed Feb 25 20:23:00 2015 +0000
@@ -31,8 +31,9 @@
  */
 
 #include "DHT.h"
+#define DHT_DATA_BIT_COUNT 41
+DigitalOut myled1(LED2);
 
-#define DHT_DATA_BIT_COUNT 41
 
 DHT::DHT(PinName pin,int DHTtype) {
     _pin = pin;
@@ -47,6 +48,8 @@
     int i, j, retryCount,b;
     unsigned int bitTimes[DHT_DATA_BIT_COUNT];
 
+    
+    //myled1=0;
     eError err = ERROR_NONE;
     time_t currentTime = time(NULL);
 
@@ -56,15 +59,15 @@
         bitTimes[i] = 0;
     }
 
-    if (!_firsttime) {
-        if (int(currentTime - _lastReadTime) < 2) {
-            err = ERROR_NO_PATIENCE;
-            return err;
-        }
-    } else {
-        _firsttime=false;
-        _lastReadTime=currentTime;
-    }
+//    if (!_firsttime) {
+//        if (int(currentTime - _lastReadTime) < 2) {
+//            err = ERROR_NO_PATIENCE;
+//            return err;
+//        }
+//    } else {
+//        _firsttime=false;
+//        _lastReadTime=currentTime;
+//    }
     retryCount = 0;
 
     do {
@@ -79,6 +82,21 @@
 
     DHT_io.output();
     DHT_io = 0;
+    
+    
+    
+//    wait(.1);
+//    DHT_io=1;
+//    wait(.1);
+//    DHT_io=0;
+//    return 0;
+    
+    
+    
+    
+    
+    
+    
     wait_ms(18);
     DHT_io = 1;
     wait_us(40);
@@ -134,14 +152,14 @@
         DHT_data[i]=b;
     }
 
-    if (DHT_data[4] == ((DHT_data[0] + DHT_data[1] + DHT_data[2] + DHT_data[3]) & 0xFF)) {
+   if (DHT_data[4] == ((DHT_data[0] + DHT_data[1] + DHT_data[2] + DHT_data[3]) & 0xFF)) {
         _lastReadTime = currentTime;
         _lastTemperature=CalcTemperature();
         _lastHumidity=CalcHumidity();
 
     } else {
         err = ERROR_CHECKSUM;
-    }
+   }
 
     return err;