Diff: main.cpp

Revision:

0:4e4284443cd3

diff -r 000000000000 -r 4e4284443cd3 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 15 16:01:35 2018 +0000
@@ -0,0 +1,108 @@
+/****************************************************************************/
+//ME21001 Project
+//Group 1,3
+//Code for a traffic intersection, four way junction with pedestrian crossings
+//LDRs used to sense 'cars'
+//switches used for pedestrian crossings
+/*****************************************************************************/
+
+
+#include "mbed.h"
+
+DigitalOut Green(p25);
+DigitalOut Yellow(p24);
+DigitalOut Red(p23);
+DigitalIn sensor(p22);
+DigitalIn button(p21);
+
+int main() {
+    
+bool buttonpressed = 0;
+bool sensorsensed = 0;    
+    while (1){
+ 
+
+while (sensorsensed ==0){
+                
+    for (int t=0; t<30;t++){
+        Red=1;
+        Green=Yellow=0;
+        
+        if (button.read())
+            buttonpressed=1;
+            wait(0.1);
+            
+                if (sensor.read())
+                    sensorsensed=1;
+                    wait(0.1);
+    }
+        
+    for (int t=0; t<10;t++){
+        Red=Yellow=1;
+        Green=0;
+        
+        if (button.read())
+            buttonpressed=1;
+            wait(0.1);
+            
+                if (sensor.read())
+                    sensorsensed=1;
+                    wait(0.1);
+    }
+    
+    for (int t=0; t<30;t++){
+        Red=Yellow=0;
+        Green=1;
+        
+        if (button.read())
+            buttonpressed=1;
+            wait(0.1);
+
+                if (sensor.read())
+                    sensorsensed=1;
+                    wait(0.1);
+    }
+
+    for (int t=0; t<10;t++){
+        Red=Green=0;
+        Yellow=1;
+        
+        if (button.read())
+            buttonpressed=1;
+            wait(0.1);
+            
+                if (sensor.read())
+                    sensorsensed=1;
+                    wait(0.1);
+    }
+        
+    for (int t=0; t<30;t++){
+        Red=1;
+        Green=Yellow=0;
+        
+        if (button.read())
+            buttonpressed=1;
+            wait(0.1);
+            
+                if (sensor.read())
+                    sensorsensed=1;
+                    wait(0.1);
+    }
+
+            if (buttonpressed == 1){
+                Red =1;
+                wait(5);
+                buttonpressed = 0;
+                }      
+        }
+        }
+        
+        Red = 1;
+        if (sensor.read(0))
+        sensorsensed = 0;
+
+            
+        
+        }
+        }
+        
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