Revision 1:5c2fc62b9c0a, committed 2016-05-07

Comitter:

Akshayiupui

Date:

Sat May 07 01:27:48 2016 +0000

Parent:

0:d444f103013a

Commit message:

Temperature sensor application as an temperature based fan control with the help of FRDM-K64F board.

Changed in this revision

diff -r d444f103013a -r 5c2fc62b9c0a DHT.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DHT.lib	Sat May 07 01:27:48 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/Wimpie/code/DHT/#9b5b3200688f

diff -r d444f103013a -r 5c2fc62b9c0a main.cpp
--- a/main.cpp	Thu Dec 31 23:29:45 2015 +0000
+++ b/main.cpp	Sat May 07 01:27:48 2016 +0000
@@ -1,25 +1,28 @@
 
+ 
 #include "mbed.h"
-
-InterruptIn motion(D2);
-
-int motion_detected = 0;
-
-void irq_handler(void)
+#include "DHT.h"
+ 
+DHT sensor(D4, DHT11);
+DigitalOut vcc(PTA1);
+int main()
 {
-    motion_detected = 1;
-}
-    
-int main(void)
-{
-    int cnt = 0;
-    motion.rise(&irq_handler);
-    
+    int error = 0;
+    float h = 0.0f, c = 0.0f, dp = 0.0f, dpf = 0.0f;
+ 
     while(1) {
-        if(motion_detected) {
-            cnt++;
-            motion_detected = 0;
-            printf("Hello! I've detected %d times since reset\n", cnt);
-        }
+        wait(2.0f);
+        error = sensor.readData();
+        if (0 == error) {
+            c   = sensor.ReadTemperature(CELCIUS);
+            dp  = sensor.CalcdewPoint(c, h);
+            dpf = sensor.CalcdewPointFast(c, h);
+            printf("Temperature in Celcius: %4.2f\n", c);
+            } else {
+            printf("Error: %d\n", error);
+        }   while((int)c > 30){vcc=!vcc;}
+        while((int)c<30 ){vcc=0;}
     }
 }
+ 
+  
\ No newline at end of file