Diff: main.cpp

Revision:

9:43c339533f7f

Parent:

8:2d462919519e

Child:

10:1a0fe96381b0

--- a/main.cpp	Fri Apr 11 11:05:02 2014 +0000
+++ b/main.cpp	Fri Apr 11 12:49:30 2014 +0000
@@ -34,7 +34,10 @@
 Ticker clock_mine;
 //FLAGS
 bool startup_flag=true; 
-bool watered_plants = false; 
+bool watered_plant1 = false;
+int watered_plant1_time = 0; 
+bool watered_plant2 = false;
+int watered_plant2_time = 0; 
 
 //SETPOINTS
 float setpoint_air_humidity = 30.00 ;
@@ -42,7 +45,7 @@
 float setpoint_soil_humid2 = 0.3 ;
 
 //WINDOWING
-float window_f = 2 ;
+float window_f = 5 ;
 int window_i =2 ;
 
 //GLOBAL VARS
@@ -50,7 +53,8 @@
 
 //SAFETY LIMITS
 const float max_peltier_temp = 68 ; //CELCIUS
-
+const int MAX_WATERING_TIME_GAP = 20;
+const int CYCLE_AIR_TIME = 2;
 //**************************FUNCTION TO READ SENSORS ********************************************** 
 void read_sensors(){
     
@@ -73,10 +77,61 @@
 }
 
 //****************************Functions that perform tasks**************************************
+//Water Plants
 void waterplants(){
     
     
+    if(startup_flag == true){
+        //call for pump function 
+        watered_plant1 = true;
+        watered_plant1_time = hour ; 
+        watered_plant2 = true;
+        watered_plant2_time = hour ; 
+    }
+    else{
+        
+        if( (soil1_humid < 0.3) || (watered_plant1 == false) ){ 
+            //enable pump1
+            watered_plant1 = true;
+            watered_plant1_time = hour ;
+        }
+        if( (soil2_humid < 0.3) || (watered_plant2 == false) ){ 
+            //enable pump2
+            watered_plant2 = true;
+            watered_plant2_time = hour ;
+        }
+    }
     
+    if (watered_plant1 == true){
+        if(abs(hour-watered_plant1_time)>MAX_WATERING_TIME_GAP){
+            watered_plant1 = false;
+        }
+    }   
+    if (watered_plant2 == true){
+        if(abs(hour-watered_plant2_time)>MAX_WATERING_TIME_GAP){
+            watered_plant2 = false;
+        }
+    } 
+    
+}
+
+// Air Humidity Level
+void airhumidity(){
+    
+    if( (setpoint_air_humidity+window_f > inside_humidity) && (setpoint_air_humidity-window_f < inside_humidity) ){
+    
+        //Turn on Air humidity fan 
+        wait(5);
+        //Turn off Air humisity fan
+    }   
+}
+
+//CYCLE AIR 
+void cycleair(){
+    
+    //Turn on fan 
+    wait(CYCLE_AIR_TIME);
+    //turn of fan 
     
 }
 //***************************PLACEHOLDER FUNCTION TO DISABLE EVERYTHING **********************
@@ -106,29 +161,70 @@
     disable_everything();
     
     
-    //FOR BUZZER
-    timer1ms.attach(&timer1, 0.001); //interrupt attached function(timer) with interval (1 ms)
+    
     //FOR INTERNAL CLOCK
     clock_mine.attach(&sec_inc, 1.0);
     char keypad_value;
     
     //call LCD boot
     ui_startup();
-    
+    wait(2);
     //SET TIME
     rtcimp_settime(6,0);
     //call function that reads values
+    
+/*  FOR CRTITICALITY
+    NVIC_DisableIRQ(TIMER3_IRQn);
+ 
+    // critical section
+ 
+    NVIC_EnableIRQ(TIMER3_IRQn);
+*/
+    lcd.cls();
+    lcd.locate(0,0);
+    lcd.printf("Reading Sensors");
+    
     read_sensors();
     
+    wait(2);
+    lcd.cls();
+    lcd.locate(0,0);
+    lcd.printf("Done Reading Sensors");
     //call function that performs functions.
     
+    wait(2);
+    lcd.cls();
+    lcd.locate(0,0);
+    lcd.printf("Watering Plants");
+    
+    waterplants();
+    
+    wait(2);
+    lcd.cls();
+    lcd.locate(0,0);
+    lcd.printf("Air Humidity");
+    
+    airhumidity();
+    
+    wait(2);
+    lcd.cls();
+    lcd.locate(0,0);
+    lcd.printf("Cycling Air");
+    
+    cycleair();
+    
+    wait(5);
+    ui_screen1();
+    wait(5);
     
     startup_flag = false ;  
     while(1) {
        
         wait(1.5);
+        //FOR BUZZER
+        timer1ms.attach(&timer1, 0.001); //interrupt attached function(timer) with interval (1 ms)
         keypad_value = Keypad();
-        
+        timer1ms.detach();
     }//WHILE END