this program is compiled several times with various inputs ..... but at the last we got what we wanted... for any queries mail me at siva4cva@gmail.com use the ''tera term'' terminal for viewing output.

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
shia
Date:
Wed Dec 23 10:16:49 2015 +0000
Commit message:
home automation using 7500; it includes ; current sensor ; PIR sensor; ADC channel reading

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Dec 23 10:16:49 2015 +0000
@@ -0,0 +1,104 @@
+#include "mbed.h"
+DigitalIn PIR(D8);
+DigitalIn light_sen(D7);
+AnalogIn ADC_CHSEL(A0);
+DigitalOut led(LED1);
+unsigned int ADC_VALUE,Factor;
+float current = 0;
+int wattage;
+float y,meas,a[10],avg;
+int i,x;
+int PIR_sensor;
+int light;
+
+int main() {
+    
+    
+     printf("\n GSAS Micro Systems \n");
+     
+     wait(0.1f);
+ 
+    while(1) {
+        
+        meas = ADC_CHSEL.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
+       
+           avg=0;
+  for(i=0;i<10;i++)
+{
+  a[i]=meas;
+  wait(0.2);
+}
+meas=a[0];
+  for(i=1;i<10;i++){
+      if(meas<a[i])
+           meas=a[i];
+  }
+
+            
+        printf(" actual value = %f\r\n", meas);
+       
+        x = meas*300;
+         avg=0;
+  for(i=0;i<10;i++)
+{
+  a[i]=x;
+  wait(0.2);
+}
+  for(i=0;i<10;i++)
+{
+  avg=avg+(a[i]/10);
+
+            }
+        
+        printf("initial read = %d\r\n", x);
+       
+        meas = x * 1.51; // Change the value to be in the 0 to 3300 range
+          avg=0;
+  for(i=0;i<10;i++)
+{
+  a[i]=meas;
+  wait(0.2);
+}
+  for(i=0;i<10;i++)
+{
+  avg=avg+(a[i]/10);
+
+            }
+        current = (meas - 329.18)/13.59;
+     //   if (current < 0)
+       // {
+         //   current = 0;
+           // }
+        wattage = current * 230;
+        printf("measure = %.2f mV\r\n", meas);
+        printf("current = %.2f A\r\n", current);
+        printf("wattage = %d W\r\n", wattage);
+        
+        printf("======================\r\n");
+          int PIR_sensor;
+    
+        PIR_sensor = PIR;
+        //printf("PIR Value : %d\r\n",PIR_sensor);
+        
+        if (PIR_sensor==1)
+        {
+            printf("==================================== WELCOME ============\r\n");
+            }
+            else
+            printf("=== room is empty ===\r\n");
+            
+            int light;
+            light = light_sen;
+            if (light == 1)
+            {
+            printf("*********************************** light is ON ****************");
+            }
+            else
+            printf("################################### light is OFF ################");
+            
+        
+    
+        
+        wait(0.1); // 200 ms
+    }
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Dec 23 10:16:49 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/165afa46840b
\ No newline at end of file