Diff: main.cpp

Revision:

0:1157a4aa1042

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Dec 03 10:27:31 2015 +0000
@@ -0,0 +1,128 @@
+// Trafic Light Program
+//
+// HND Electronics
+//
+// Coleg Gwent
+
+#include "mbed.h"
+
+
+//Traffic Lights
+// R,Y,G  R,Y,G
+BusOut leds(p5,p6,p7,p8,p9,p10);
+
+// 7 seg Display
+BusOut disp1(p11,p12,p13,p14,p15,p16,p17);
+//           A   B   C   D   E   F   G
+
+// 7 seg Dispay
+BusOut disp2(p21,p22,p23,p24,p25,p26,p27);
+//           A   B   C   D   E   F   G
+
+
+//Test Leds - for debugging
+DigitalOut myLED1(LED1);
+DigitalOut myLED2(LED2);
+
+
+
+int valdisp =0;
+
+//using MAN74A seven seg display
+//set up each number in an array
+int numb[10][7]={{1,1,1,1,1,1,0},
+                {0,1,1,0,0,0,0},
+                {1,1,0,1,1,0,1},
+                {1,1,1,1,0,0,1},
+                {0,1,1,0,0,1,1},
+                {1,0,1,1,0,1,1},
+                {1,0,1,1,1,1,1},
+                {1,1,1,0,0,0,0},
+                {1,1,1,1,1,1,1},
+                {1,1,1,1,0,1,1}};
+  
+                
+//Traffic light sequence
+int nLights[] = {0x09,0x19,0x21,0x11,0x09,0x0B,0x0C,0x0A};
+                
+                
+// Switch inputs
+DigitalIn  man(p28);
+DigitalIn  dir(p29);
+
+
+// Analog input to set time
+AnalogIn timeIn(p19);
+
+int state;
+
+int waitTime = 0;
+
+void displayWait() {
+    
+                     waitTime = timeIn*99;      
+                    
+                    // display number UNITS
+                    for (int i = 0 ;i < 7; i++) 
+                        { 
+                        disp2[i]=(numb[waitTime%10][i]);
+                        }
+                     // display number TENS
+                    for (int i = 0 ;i < 7; i++) 
+                        { 
+                        disp1[i]=(numb[waitTime/10][i]);
+                        }
+    }
+
+int main() {
+    while(1) {
+                       
+            while (!man) {
+               // if in AUTO mode 
+               // In AUTO mode sequence through the lights
+              leds = nLights[state];
+              displayWait();      
+              if (state%2 == 0) wait(waitTime/10); //Only long Waits on Even states
+              wait(1);
+              state++;
+              if (state==8) state=0;
+            }
+            
+            // While Auto loop over now in manual
+            {
+                                
+                if (dir){
+                    // Direction 1
+                        wait(1);
+                        leds = nLights[1]; //RED, RED AMBER
+                        wait(1);
+                        leds = nLights[2]; //RED, GREEN
+                // Stay on Green until direction changed or Automode selected
+                while (dir && man){displayWait();  }
+                    leds = nLights[3]; //RED, RED AMBER
+                       wait(1);
+                    // set the state to 4 for the AUTO routine   
+                    state=4;   
+                    }
+                    else
+                    {
+                    // Direction 2    
+                        wait(1);
+                        leds = nLights[5]; //RED AMBER, RED 
+                        wait(1);
+                        leds = nLights[6]; //GREEN, GREEN
+                
+                // Stay on Green until direction changed or Automode selected
+                while (!dir && man){displayWait();  }
+                 leds = nLights[7]; //RED AMBER, RED 
+                        wait(1);
+                        // set the state to 0 for the AUTO routine
+                     state=0;  
+                    }
+             displayWait();         
+             leds = nLights[0]; //Always go to Red Red when not in loop       
+             wait(timeIn *9); // wait on Red for road distance wait
+            }  
+              
+    }
+}