Diff: main.cpp

Revision:

1:f9339d95123d

Parent:

0:d0e594c3fb6c

Child:

2:37c5a8883978

--- a/main.cpp	Tue Jul 21 08:17:32 2015 +0000
+++ b/main.cpp	Tue Aug 11 14:43:36 2015 +0000
@@ -1,7 +1,12 @@
 #include "mbed.h"
 #include "DHT.h"
+#include"Air_Quality.h"
 
-DHT sensor(A0, DHT11);
+AirQuality airqualitysensor;
+int current_quality = -1;
+PinName analogPin = A0;
+
+DHT sensor(D3, DHT11);
 InterruptIn motion(D2);
 AnalogIn luminance(A1);
 
@@ -11,6 +16,15 @@
 
 int motion_detected = 0;
 
+// Interrupt Handler
+void AirQualityInterrupt()
+{
+    AnalogIn sensor(analogPin);
+    airqualitysensor.last_vol = airqualitysensor.first_vol;
+    airqualitysensor.first_vol = sensor.read()*1000;
+    airqualitysensor.timer_index = 1;
+}
+
 void irq_handler(void)
 {
     motion_detected = 1;
@@ -22,19 +36,21 @@
     float hum = 0.0f;
     float cel = 0.0f;
     
+    airqualitysensor.init(analogPin, AirQualityInterrupt);
+    
     int cnt = 0;
     motion.rise(&irq_handler);
     
     while(1)
     {
-        wait(1);
+        wait(0.1);
         error = sensor.readData();
         
         if (0 == error) {
             hum = sensor.ReadHumidity();
             cel = sensor.ReadTemperature(CELCIUS);
-            printf(" Humidity : %4.2f\r\n", hum);
-            printf(" Temperature in Celcius : %2.2f\r\n", cel);
+            printf(" 1. Humidity : %4.2f\r\n\n", hum);
+            printf(" 2. Temperature in Celcius : %2.2f\r\n\n", cel);
             
             {
                 if (hum > 70) {  // if celcius is higher than 28, LED_RED on.
@@ -64,30 +80,55 @@
         if(motion_detected) {
             cnt++;
             motion_detected = 0;
-            led_R = 1;
+            /*led_R = 1;
             led_G = 1;
-            led_B = 1;
+            led_B = 1;*/
             
-            printf("Something move%d\r\n", cnt);
-            wait(1); 
+            printf("3. Something move%d\r\n\n", cnt);
+            wait(0.1); 
         }
         
         if(luminance.read()){
             
             if(0.1<=luminance.read()&&luminance.read()<=0.3){
-                RED=0; GREEN=0; BLUE=1;}   // yellow LED on
+                led_R=0; led_G=0; led_B=1;}   // yellow LED on
                 
             else{
-                RED=1; GREEN=1; BLUE=1;}   // led off
+                led_R=1; led_G=1; led_B=1;}   // led off
              
-            printf("Luminance: %f\r\n", luminance.read());    
-            wait(0.5f);
+            printf("4. Luminance: %f\r\n\n", luminance.read());    
+            wait(0.1);
         }
         else {
-            RED=0; GREEN=0; BLUE=0;    // white LED on 
-            printf("Luminance: %f\r\n", luminance.read());
-            wait(0.5f);         
+            led_R=0; led_G=0; led_B=0;    // white LED on 
+            printf("4. Luminance: %f\r\n\n", luminance.read());
+            wait(0.1);         
         }
+        //air quality sensor
+        current_quality=airqualitysensor.slope();
+        if (current_quality >= 0) { // if a valid data returned.
+            if (current_quality == 0){
+                printf("5. High pollution! Force signal active\n\r\n");
+               // led1 = 0;
+               // led2 = 1;
+            }
+            else if (current_quality == 1){
+                printf("5. High pollution!\n\r\n");
+              //  led1 = 0;
+               // led2 = 1;
+            }
+            else if (current_quality == 2){
+                printf("5. Low pollution!\n\n\r");
+              //  led1 = 0;
+              //  led2 = 1;
+            }
+            else if (current_quality == 3){
+                printf("5. Fresh air\n\r\n");
+              //  led1 = 1;
+              //  led2 = 0;
+            } 
+        }
+        
     }
 }
 /*
@@ -142,4 +183,38 @@
         }
                     
     }
+}*/
+/*
+InterruptIn motion(D2);
+
+DigitalOut RED(LED1, 1);
+DigitalOut GREEN(LED2, 1);
+DigitalOut BLUE(LED3, 1);
+
+int motion_detected = 0;
+
+void irq_handler(void)
+{
+    motion_detected = 1;
+}
+
+int main()
+{
+    int cnt = 0;
+    motion.rise(&irq_handler);
+    
+    while (true) {
+        
+        //grove motion sensor
+        if(motion_detected) {
+            cnt++;
+            motion_detected = 0;
+            RED = 0;
+            GREEN = 1;
+            BLUE = 1;
+            wait(1);
+            printf("Something move%d\r\n", cnt);
+        }
+                    
+    }
 }*/
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