Diff: main.cpp

Revision:

3:66a52943c525

Parent:

2:bf817b299c19

Child:

4:acb62dee5ba9

--- a/main.cpp	Thu Oct 08 23:06:45 2015 +0000
+++ b/main.cpp	Fri Oct 09 00:56:25 2015 +0000
@@ -13,10 +13,14 @@
 DigitalOut dc2(p6);     //DC motor input-2
 PwmOut pwm3(p23);       //DC motor PWM channel
 
+AnalogIn button(p15);   //Analog input from the floor buttons
+
 Serial pc(USBTX, USBRX);
 
 void openGate();
 void closeGate();
+int getState(float adc_val);
+
 int currentState = 1;
 
 int main() {
@@ -33,8 +37,12 @@
     pwm2.write(0);
     
     while(1){
-        char c = pc.getc();
-        int val = c - 48;
+        //char c = pc.getc();
+        //int val = c - 48;
+        float adc_val = button.read();
+        int val = getState(adc_val);
+        //pc.printf("Floor-%d\n",val);
+        //wait(1);
         if(val==currentState){
             pwm3.write(0);
         }
@@ -54,8 +62,8 @@
             pwm3.write(0);
         }
         currentState = val;
-        openGate();
-        closeGate();
+        //openGate();
+        //closeGate();
     }
 }
 
@@ -75,4 +83,24 @@
     pwm1.write(0);      // Stop
     pwm2.write(0);      // Stop  
     wait(2);
+}
+
+int getState(float adc_val){
+    int state = 0;
+    if(adc_val > 0.15 && adc_val < 0.25){
+        state = 1;
+    }
+    else if(adc_val > 0.35 && adc_val < 0.45){
+        state = 2;
+    }
+    else if(adc_val > 0.55 && adc_val < 0.65){
+        state = 3;
+    }
+    else if(adc_val > 0.75 && adc_val < 0.85){
+        state = 4;
+    }
+    else if(adc_val > 0.95 && adc_val < 1.05){
+        state = 5;
+    }
+    return state;           
 }
\ No newline at end of file