Ward Broughton
/
Unit58_Traffic_Lights_group1
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Revision 0:b18f320ec036, committed 2015-12-03
- Comitter:
- WardieB
- Date:
- Thu Dec 03 10:31:56 2015 +0000
- Commit message:
- UAE HND;
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r b18f320ec036 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Dec 03 10:31:56 2015 +0000
@@ -0,0 +1,138 @@
+// 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 autoMode(p28);
+DigitalIn dir(p29);
+
+
+// Analog input to set time
+AnalogIn timeIn(p19);
+
+int state;
+
+int waitTime = 0;
+
+
+int main() {
+ while(1) {
+
+ while (autoMode) {
+ // if in AUTO mode
+ // In AUTO mode sequence through the lights
+ leds = nLights[state];
+ 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]);
+ }
+ 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
+ {
+ myLED1=autoMode;
+ myLED2=dir;
+
+ 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 && !autoMode){}
+ 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 && !autoMode){}
+ leds = nLights[7]; //RED AMBER, RED
+ wait(1);
+ // set the state to 0 for the AUTO routine
+ state=0;
+ }
+
+ 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]);
+ }
+ leds = nLights[0]; //Always go to Red Red when not in loop
+ wait(timeIn *9); // wait on Red for road distance wait
+ }
+
+ }
+}
diff -r 000000000000 -r b18f320ec036 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Dec 03 10:31:56 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/165afa46840b \ No newline at end of file