Ward Broughton / Mbed 2 deprecated Unit58_Traffic_Lights_group4

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Dependencies:   mbed

main.cpp@0:b24572a797a3, 2015-12-03 (annotated)

Committer:
WardieB
Date:
Thu Dec 03 12:25:43 2015 +0000
Revision:
0:b24572a797a3
HND UAE;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WardieB 0:b24572a797a3 1 // Trafic Light Program
WardieB 0:b24572a797a3 2 //
WardieB 0:b24572a797a3 3 // HND Electronics
WardieB 0:b24572a797a3 4 //
WardieB 0:b24572a797a3 5 // Coleg Gwent
WardieB 0:b24572a797a3 6
WardieB 0:b24572a797a3 7 #include "mbed.h"
WardieB 0:b24572a797a3 8
WardieB 0:b24572a797a3 9
WardieB 0:b24572a797a3 10 //Traffic Lights
WardieB 0:b24572a797a3 11 // R,Y,G R,Y,G
WardieB 0:b24572a797a3 12 BusOut leds(p5,p6,p7,p8,p9,p10);
WardieB 0:b24572a797a3 13
WardieB 0:b24572a797a3 14 // 7 seg Display
WardieB 0:b24572a797a3 15 BusOut disp1(p11,p12,p13,p14,p15,p16,p17);
WardieB 0:b24572a797a3 16 // A B C D E F G
WardieB 0:b24572a797a3 17
WardieB 0:b24572a797a3 18 // 7 seg Dispay
WardieB 0:b24572a797a3 19 BusOut disp2(p21,p22,p23,p24,p25,p26,p27);
WardieB 0:b24572a797a3 20 // A B C D E F G
WardieB 0:b24572a797a3 21
WardieB 0:b24572a797a3 22
WardieB 0:b24572a797a3 23 //Test Leds - for debugging
WardieB 0:b24572a797a3 24 DigitalOut myLED1(LED1);
WardieB 0:b24572a797a3 25 DigitalOut myLED2(LED2);
WardieB 0:b24572a797a3 26
WardieB 0:b24572a797a3 27
WardieB 0:b24572a797a3 28
WardieB 0:b24572a797a3 29 int valdisp =0;
WardieB 0:b24572a797a3 30
WardieB 0:b24572a797a3 31 //using MAN74A seven seg display
WardieB 0:b24572a797a3 32 //set up each number in an array
WardieB 0:b24572a797a3 33 int numb[10][7]={{1,1,1,1,1,1,0},
WardieB 0:b24572a797a3 34 {0,1,1,0,0,0,0},
WardieB 0:b24572a797a3 35 {1,1,0,1,1,0,1},
WardieB 0:b24572a797a3 36 {1,1,1,1,0,0,1},
WardieB 0:b24572a797a3 37 {0,1,1,0,0,1,1},
WardieB 0:b24572a797a3 38 {1,0,1,1,0,1,1},
WardieB 0:b24572a797a3 39 {1,0,1,1,1,1,1},
WardieB 0:b24572a797a3 40 {1,1,1,0,0,0,0},
WardieB 0:b24572a797a3 41 {1,1,1,1,1,1,1},
WardieB 0:b24572a797a3 42 {1,1,1,1,0,1,1}};
WardieB 0:b24572a797a3 43
WardieB 0:b24572a797a3 44
WardieB 0:b24572a797a3 45 //Traffic light sequence
WardieB 0:b24572a797a3 46 int nLights[] = {0x09,0x19,0x21,0x11,0x09,0x0B,0x0C,0x0A};
WardieB 0:b24572a797a3 47
WardieB 0:b24572a797a3 48
WardieB 0:b24572a797a3 49 // Switch inputs
WardieB 0:b24572a797a3 50 DigitalIn man(p28);
WardieB 0:b24572a797a3 51 DigitalIn dir(p29);
WardieB 0:b24572a797a3 52
WardieB 0:b24572a797a3 53
WardieB 0:b24572a797a3 54 // Analog input to set time
WardieB 0:b24572a797a3 55 AnalogIn timeIn(p19);
WardieB 0:b24572a797a3 56
WardieB 0:b24572a797a3 57 int state;
WardieB 0:b24572a797a3 58
WardieB 0:b24572a797a3 59 int waitTime = 0;
WardieB 0:b24572a797a3 60
WardieB 0:b24572a797a3 61 void displayWait() {
WardieB 0:b24572a797a3 62
WardieB 0:b24572a797a3 63 waitTime = timeIn*99;
WardieB 0:b24572a797a3 64
WardieB 0:b24572a797a3 65 // display number UNITS
WardieB 0:b24572a797a3 66 for (int i = 0 ;i < 7; i++)
WardieB 0:b24572a797a3 67 {
WardieB 0:b24572a797a3 68 disp2[i]=(numb[waitTime%10][i]);
WardieB 0:b24572a797a3 69 }
WardieB 0:b24572a797a3 70 // display number TENS
WardieB 0:b24572a797a3 71 for (int i = 0 ;i < 7; i++)
WardieB 0:b24572a797a3 72 {
WardieB 0:b24572a797a3 73 disp1[i]=(numb[waitTime/10][i]);
WardieB 0:b24572a797a3 74 }
WardieB 0:b24572a797a3 75 }
WardieB 0:b24572a797a3 76
WardieB 0:b24572a797a3 77 int main() {
WardieB 0:b24572a797a3 78 while(1) {
WardieB 0:b24572a797a3 79
WardieB 0:b24572a797a3 80 while(man)
WardieB 0:b24572a797a3 81 { // in Manual mode
WardieB 0:b24572a797a3 82
WardieB 0:b24572a797a3 83 if (dir){
WardieB 0:b24572a797a3 84 // Direction 1
WardieB 0:b24572a797a3 85 wait(1);
WardieB 0:b24572a797a3 86 leds = nLights[1]; //RED, RED AMBER
WardieB 0:b24572a797a3 87 wait(1);
WardieB 0:b24572a797a3 88 leds = nLights[2]; //RED, GREEN
WardieB 0:b24572a797a3 89 // Stay on Green until direction changed or Automode selected
WardieB 0:b24572a797a3 90 while (dir && man){displayWait(); }
WardieB 0:b24572a797a3 91 leds = nLights[3]; //RED, RED AMBER
WardieB 0:b24572a797a3 92 wait(1);
WardieB 0:b24572a797a3 93 // set the state to 4 for the AUTO routine
WardieB 0:b24572a797a3 94 state=4;
WardieB 0:b24572a797a3 95 }
WardieB 0:b24572a797a3 96 else
WardieB 0:b24572a797a3 97 {
WardieB 0:b24572a797a3 98 // Direction 2
WardieB 0:b24572a797a3 99 wait(1);
WardieB 0:b24572a797a3 100 leds = nLights[5]; //RED AMBER, RED
WardieB 0:b24572a797a3 101 wait(1);
WardieB 0:b24572a797a3 102 leds = nLights[6]; //GREEN, GREEN
WardieB 0:b24572a797a3 103
WardieB 0:b24572a797a3 104 // Stay on Green until direction changed or Automode selected
WardieB 0:b24572a797a3 105 while (!dir && man){displayWait(); }
WardieB 0:b24572a797a3 106 leds = nLights[7]; //RED AMBER, RED
WardieB 0:b24572a797a3 107 wait(1);
WardieB 0:b24572a797a3 108 // set the state to 0 for the AUTO routine
WardieB 0:b24572a797a3 109 state=0;
WardieB 0:b24572a797a3 110 }
WardieB 0:b24572a797a3 111 displayWait();
WardieB 0:b24572a797a3 112 leds = nLights[0]; //Always go to Red Red when not in loop
WardieB 0:b24572a797a3 113 wait(timeIn *9); // wait on Red for road distance wait
WardieB 0:b24572a797a3 114 }
WardieB 0:b24572a797a3 115
WardieB 0:b24572a797a3 116 while (!man) {
WardieB 0:b24572a797a3 117 // if in AUTO mode
WardieB 0:b24572a797a3 118 // In AUTO mode sequence through the lights
WardieB 0:b24572a797a3 119 leds = nLights[state];
WardieB 0:b24572a797a3 120 displayWait();
WardieB 0:b24572a797a3 121 if (state%2 == 0) wait(waitTime/10); //Only long Waits on Even states
WardieB 0:b24572a797a3 122 wait(1);
WardieB 0:b24572a797a3 123 state++;
WardieB 0:b24572a797a3 124 if (state==8) state=0;
WardieB 0:b24572a797a3 125 }
WardieB 0:b24572a797a3 126
WardieB 0:b24572a797a3 127 // While Auto loop over now in manual
WardieB 0:b24572a797a3 128 }
WardieB 0:b24572a797a3 129 }