UoD_ME21001_Group_1_12 / Mbed 2 deprecated 0fullfunctionlights

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Dependencies:   mbed

main.cpp@0:47a0c4ac5a0f, 2019-10-29 (annotated)

Committer:
jfair
Date:
Tue Oct 29 16:45:51 2019 +0000
Revision:
0:47a0c4ac5a0f
Child:
1:7b7576c83317
a

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jfair 0:47a0c4ac5a0f 1 #include "mbed.h"
jfair 0:47a0c4ac5a0f 2 DigitalOut ga(p23); //defines the green light for first seqeunce
jfair 0:47a0c4ac5a0f 3 DigitalOut ya(p22); //defines the yellow light for first sequence
jfair 0:47a0c4ac5a0f 4 DigitalOut ra(p21); //defines the red light for first sequence
jfair 0:47a0c4ac5a0f 5 DigitalOut gb(p27); //defines green light for second sequence
jfair 0:47a0c4ac5a0f 6 DigitalOut yb(p25); //defines yellow light for second sequence
jfair 0:47a0c4ac5a0f 7 DigitalOut rb(p24); //defines red light for second sequence
jfair 0:47a0c4ac5a0f 8 DigitalIn button(p18); //defines the switch as a digital input
jfair 0:47a0c4ac5a0f 9
jfair 0:47a0c4ac5a0f 10 bool cross;
jfair 0:47a0c4ac5a0f 11
jfair 0:47a0c4ac5a0f 12 void crossing() {
jfair 0:47a0c4ac5a0f 13 ra = 1;//simultainiously turns on red lights to allow crossing
jfair 0:47a0c4ac5a0f 14 rb = 1;
jfair 0:47a0c4ac5a0f 15 ga = 1;//remove later for testing
jfair 0:47a0c4ac5a0f 16 wait (1);//r
jfair 0:47a0c4ac5a0f 17 ga = 0;//r
jfair 0:47a0c4ac5a0f 18 wait (1);//r
jfair 0:47a0c4ac5a0f 19 ga = 1;//r
jfair 0:47a0c4ac5a0f 20 wait (1);//r
jfair 0:47a0c4ac5a0f 21 ga = 1;//r
jfair 0:47a0c4ac5a0f 22 cross = 1;//sets value of crossing request to false to prevent looping
jfair 0:47a0c4ac5a0f 23 wait (1);//remove later for testing
jfair 0:47a0c4ac5a0f 24 }
jfair 0:47a0c4ac5a0f 25 //no wait should be required here as the normal lights function begins with a red light, this also minimises disruption
jfair 0:47a0c4ac5a0f 26
jfair 0:47a0c4ac5a0f 27 void lightsa() { //creates the function for the first lights sequence
jfair 0:47a0c4ac5a0f 28 ra = 1; //turns on red light at same time
jfair 0:47a0c4ac5a0f 29 wait(3); //waits ten seconds
jfair 0:47a0c4ac5a0f 30 ya = 1; //turns the yellow light on
jfair 0:47a0c4ac5a0f 31 wait(1); //waits two seconds
jfair 0:47a0c4ac5a0f 32 ra = 0; //turns off red light
jfair 0:47a0c4ac5a0f 33 ya = 0; //turns off yellow light at same time
jfair 0:47a0c4ac5a0f 34 ga = 1; //turns on green light at the same time
jfair 0:47a0c4ac5a0f 35 wait (3); //waits fourteen seconds
jfair 0:47a0c4ac5a0f 36 ga = 0; // turns off green
jfair 0:47a0c4ac5a0f 37 ya = 1; // turns on yellow light at same time
jfair 0:47a0c4ac5a0f 38 wait (1); //waits three seconds before repeating
jfair 0:47a0c4ac5a0f 39 ya = 0; //turns off yellow light
jfair 0:47a0c4ac5a0f 40 }
jfair 0:47a0c4ac5a0f 41 void lightsb() { //creates the function for the second lights sequence
jfair 0:47a0c4ac5a0f 42 rb = 1; //turns on red light at same time
jfair 0:47a0c4ac5a0f 43 wait(10); //waits ten seconds
jfair 0:47a0c4ac5a0f 44 yb = 1; //turns the yellow light on
jfair 0:47a0c4ac5a0f 45 wait(2); //waits two seconds
jfair 0:47a0c4ac5a0f 46 rb = 0; //turns off red light
jfair 0:47a0c4ac5a0f 47 yb = 0; //turns off yellow light at same time
jfair 0:47a0c4ac5a0f 48 gb = 1; //turns on green light at the same time
jfair 0:47a0c4ac5a0f 49 wait (14); //waits fourteen seconds
jfair 0:47a0c4ac5a0f 50 gb = 0; // turns off green
jfair 0:47a0c4ac5a0f 51 yb = 1; // turns on yellow light at same time
jfair 0:47a0c4ac5a0f 52 wait (3); //waits three
jfair 0:47a0c4ac5a0f 53 yb = 0; //turns off yellow light
jfair 0:47a0c4ac5a0f 54 }
jfair 0:47a0c4ac5a0f 55
jfair 0:47a0c4ac5a0f 56 int main() {
jfair 0:47a0c4ac5a0f 57 while(1) { //repeats indefinitely
jfair 0:47a0c4ac5a0f 58 if (button.read()) {
jfair 0:47a0c4ac5a0f 59 cross = 0;
jfair 0:47a0c4ac5a0f 60 }
jfair 0:47a0c4ac5a0f 61 if (cross == 1) {
jfair 0:47a0c4ac5a0f 62 rb = 1; //keeps red light from second sequence on during sequence one
jfair 0:47a0c4ac5a0f 63 lightsa(); //calls the function for the first lights sequence
jfair 0:47a0c4ac5a0f 64 ra = 1; //keeps red light for sequence one on during sequence two
jfair 0:47a0c4ac5a0f 65 }
jfair 0:47a0c4ac5a0f 66 else {
jfair 0:47a0c4ac5a0f 67 crossing ();
jfair 0:47a0c4ac5a0f 68 }
jfair 0:47a0c4ac5a0f 69 }
jfair 0:47a0c4ac5a0f 70 }