Ward Broughton / Mbed 2 deprecated 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.

Dependencies:   mbed

main.cpp@0:b18f320ec036, 2015-12-03 (annotated)

Committer:
WardieB
Date:
Thu Dec 03 10:31:56 2015 +0000
Revision:
0:b18f320ec036
UAE HND;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WardieB 0:b18f320ec036 1 // Trafic Light Program
WardieB 0:b18f320ec036 2 //
WardieB 0:b18f320ec036 3 // HND Electronics
WardieB 0:b18f320ec036 4 //
WardieB 0:b18f320ec036 5 // Coleg Gwent
WardieB 0:b18f320ec036 6
WardieB 0:b18f320ec036 7 #include "mbed.h"
WardieB 0:b18f320ec036 8
WardieB 0:b18f320ec036 9
WardieB 0:b18f320ec036 10 //Traffic Lights
WardieB 0:b18f320ec036 11 // R,Y,G R,Y,G
WardieB 0:b18f320ec036 12 BusOut leds(p5,p6,p7,p8,p9,p10);
WardieB 0:b18f320ec036 13
WardieB 0:b18f320ec036 14 // 7 seg Display
WardieB 0:b18f320ec036 15 BusOut disp1(p11,p12,p13,p14,p15,p16,p17);
WardieB 0:b18f320ec036 16 // A B C D E F G
WardieB 0:b18f320ec036 17
WardieB 0:b18f320ec036 18 // 7 seg Dispay
WardieB 0:b18f320ec036 19 BusOut disp2(p21,p22,p23,p24,p25,p26,p27);
WardieB 0:b18f320ec036 20 // A B C D E F G
WardieB 0:b18f320ec036 21
WardieB 0:b18f320ec036 22
WardieB 0:b18f320ec036 23 //Test Leds - for debugging
WardieB 0:b18f320ec036 24 DigitalOut myLED1(LED1);
WardieB 0:b18f320ec036 25 DigitalOut myLED2(LED2);
WardieB 0:b18f320ec036 26
WardieB 0:b18f320ec036 27
WardieB 0:b18f320ec036 28
WardieB 0:b18f320ec036 29 int valdisp =0;
WardieB 0:b18f320ec036 30
WardieB 0:b18f320ec036 31 //using MAN74A seven seg display
WardieB 0:b18f320ec036 32 //set up each number in an array
WardieB 0:b18f320ec036 33 int numb[10][7]={{1,1,1,1,1,1,0},
WardieB 0:b18f320ec036 34 {0,1,1,0,0,0,0},
WardieB 0:b18f320ec036 35 {1,1,0,1,1,0,1},
WardieB 0:b18f320ec036 36 {1,1,1,1,0,0,1},
WardieB 0:b18f320ec036 37 {0,1,1,0,0,1,1},
WardieB 0:b18f320ec036 38 {1,0,1,1,0,1,1},
WardieB 0:b18f320ec036 39 {1,0,1,1,1,1,1},
WardieB 0:b18f320ec036 40 {1,1,1,0,0,0,0},
WardieB 0:b18f320ec036 41 {1,1,1,1,1,1,1},
WardieB 0:b18f320ec036 42 {1,1,1,1,0,1,1}};
WardieB 0:b18f320ec036 43
WardieB 0:b18f320ec036 44
WardieB 0:b18f320ec036 45 //Traffic light sequence
WardieB 0:b18f320ec036 46 int nLights[] = {0x09,0x19,0x21,0x11,0x09,0x0B,0x0C,0x0A};
WardieB 0:b18f320ec036 47
WardieB 0:b18f320ec036 48
WardieB 0:b18f320ec036 49 // Switch inputs
WardieB 0:b18f320ec036 50 DigitalIn autoMode(p28);
WardieB 0:b18f320ec036 51 DigitalIn dir(p29);
WardieB 0:b18f320ec036 52
WardieB 0:b18f320ec036 53
WardieB 0:b18f320ec036 54 // Analog input to set time
WardieB 0:b18f320ec036 55 AnalogIn timeIn(p19);
WardieB 0:b18f320ec036 56
WardieB 0:b18f320ec036 57 int state;
WardieB 0:b18f320ec036 58
WardieB 0:b18f320ec036 59 int waitTime = 0;
WardieB 0:b18f320ec036 60
WardieB 0:b18f320ec036 61
WardieB 0:b18f320ec036 62 int main() {
WardieB 0:b18f320ec036 63 while(1) {
WardieB 0:b18f320ec036 64
WardieB 0:b18f320ec036 65 while (autoMode) {
WardieB 0:b18f320ec036 66 // if in AUTO mode
WardieB 0:b18f320ec036 67 // In AUTO mode sequence through the lights
WardieB 0:b18f320ec036 68 leds = nLights[state];
WardieB 0:b18f320ec036 69 waitTime = timeIn*99;
WardieB 0:b18f320ec036 70
WardieB 0:b18f320ec036 71 // display number UNITS
WardieB 0:b18f320ec036 72 for (int i = 0 ;i < 7; i++)
WardieB 0:b18f320ec036 73 {
WardieB 0:b18f320ec036 74 disp2[i]=(numb[waitTime%10][i]);
WardieB 0:b18f320ec036 75 }
WardieB 0:b18f320ec036 76 // display number TENS
WardieB 0:b18f320ec036 77 for (int i = 0 ;i < 7; i++)
WardieB 0:b18f320ec036 78 {
WardieB 0:b18f320ec036 79 disp1[i]=(numb[waitTime/10][i]);
WardieB 0:b18f320ec036 80 }
WardieB 0:b18f320ec036 81 if (state%2 == 0) wait(waitTime/10); //Only long Waits on Even states
WardieB 0:b18f320ec036 82 wait(1);
WardieB 0:b18f320ec036 83 state++;
WardieB 0:b18f320ec036 84 if (state==8) state=0;
WardieB 0:b18f320ec036 85 }
WardieB 0:b18f320ec036 86
WardieB 0:b18f320ec036 87 // While Auto loop over now in manual
WardieB 0:b18f320ec036 88 {
WardieB 0:b18f320ec036 89 myLED1=autoMode;
WardieB 0:b18f320ec036 90 myLED2=dir;
WardieB 0:b18f320ec036 91
WardieB 0:b18f320ec036 92 if (!dir){
WardieB 0:b18f320ec036 93 // Direction 1
WardieB 0:b18f320ec036 94 wait(1);
WardieB 0:b18f320ec036 95 leds = nLights[1]; //RED, RED AMBER
WardieB 0:b18f320ec036 96 wait(1);
WardieB 0:b18f320ec036 97 leds = nLights[2]; //RED, GREEN
WardieB 0:b18f320ec036 98 // Stay on Green until direction changed or Automode selected
WardieB 0:b18f320ec036 99 while (!dir && !autoMode){}
WardieB 0:b18f320ec036 100 leds = nLights[3]; //RED, RED AMBER
WardieB 0:b18f320ec036 101 wait(1);
WardieB 0:b18f320ec036 102 // set the state to 4 for the AUTO routine
WardieB 0:b18f320ec036 103 state=4;
WardieB 0:b18f320ec036 104 }
WardieB 0:b18f320ec036 105 else
WardieB 0:b18f320ec036 106 {
WardieB 0:b18f320ec036 107 // Direction 2
WardieB 0:b18f320ec036 108 wait(1);
WardieB 0:b18f320ec036 109 leds = nLights[5]; //RED AMBER, RED
WardieB 0:b18f320ec036 110 wait(1);
WardieB 0:b18f320ec036 111 leds = nLights[6]; //GREEN, GREEN
WardieB 0:b18f320ec036 112
WardieB 0:b18f320ec036 113 // Stay on Green until direction changed or Automode selected
WardieB 0:b18f320ec036 114 while (dir && !autoMode){}
WardieB 0:b18f320ec036 115 leds = nLights[7]; //RED AMBER, RED
WardieB 0:b18f320ec036 116 wait(1);
WardieB 0:b18f320ec036 117 // set the state to 0 for the AUTO routine
WardieB 0:b18f320ec036 118 state=0;
WardieB 0:b18f320ec036 119 }
WardieB 0:b18f320ec036 120
WardieB 0:b18f320ec036 121 waitTime = timeIn*99;
WardieB 0:b18f320ec036 122
WardieB 0:b18f320ec036 123 // display number UNITS
WardieB 0:b18f320ec036 124 for (int i = 0 ;i < 7; i++)
WardieB 0:b18f320ec036 125 {
WardieB 0:b18f320ec036 126 disp2[i]=(numb[waitTime%10][i]);
WardieB 0:b18f320ec036 127 }
WardieB 0:b18f320ec036 128 // display number TENS
WardieB 0:b18f320ec036 129 for (int i = 0 ;i < 7; i++)
WardieB 0:b18f320ec036 130 {
WardieB 0:b18f320ec036 131 disp1[i]=(numb[waitTime/10][i]);
WardieB 0:b18f320ec036 132 }
WardieB 0:b18f320ec036 133 leds = nLights[0]; //Always go to Red Red when not in loop
WardieB 0:b18f320ec036 134 wait(timeIn *9); // wait on Red for road distance wait
WardieB 0:b18f320ec036 135 }
WardieB 0:b18f320ec036 136
WardieB 0:b18f320ec036 137 }
WardieB 0:b18f320ec036 138 }