Jeff Nguyen / Mbed 2 deprecated Traffic_Light

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Dependencies:   mbed

main.cpp@1:992086cb4c27, 2018-10-20 (annotated)

Committer:
JN482
Date:
Sat Oct 20 21:58:52 2018 +0000
Revision:
1:992086cb4c27
Parent:
0:41f066ce55cf
Child:
2:37d5e9d92b66
Switch needs some tweaking but works for now; SEQ - Done; PED - Done; BUZ - Done

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JN482 0:41f066ce55cf 1 /*
JN482 0:41f066ce55cf 2 This project includes both the safe, unsafe sequences, pedestrian crossing, and a buzzer.
JN482 0:41f066ce55cf 3 The Assignment task is to create both the safe and unsafe traffic light sequence.
JN482 0:41f066ce55cf 4 */
JN482 0:41f066ce55cf 5
JN482 0:41f066ce55cf 6 #include <mbed.h> // importing the mbed library to allow to use input and output fuctions
JN482 0:41f066ce55cf 7
JN482 0:41f066ce55cf 8 DigitalOut Onboard(LED1);//declaring the onboard led as Onboard
JN482 0:41f066ce55cf 9 DigitalOut RLED(D2);//RLED refers to the first traffic light Red
JN482 0:41f066ce55cf 10 DigitalOut ALED(D3);//ALED refers to the first traffic light Amber
JN482 0:41f066ce55cf 11 DigitalOut GLED(D4);//GLED refers to the first traffic light Green
JN482 0:41f066ce55cf 12 DigitalOut RRLED(D5);//RRLED refers to the second traffic light Red
JN482 0:41f066ce55cf 13 DigitalOut AALED(D6);//AALED refers to the second traffic light Amber
JN482 0:41f066ce55cf 14 DigitalOut GGLED(D7);//GGLED refers to the second traffic light Green
JN482 0:41f066ce55cf 15 InterruptIn button (USER_BUTTON); //I will be using the onboard button as a pedestrian button
JN482 0:41f066ce55cf 16 InterruptIn Switch(D15);//I will be using an external wire to act as a button.
JN482 0:41f066ce55cf 17 DigitalOut Buzzer(D10);//Buzzer/Beeper
JN482 0:41f066ce55cf 18
JN482 0:41f066ce55cf 19 bool pedest = false, unsafe = false;
JN482 0:41f066ce55cf 20 int counter = 0;
JN482 0:41f066ce55cf 21
JN482 0:41f066ce55cf 22 void pedestrians()
JN482 0:41f066ce55cf 23 //Declaring a procedure for changing a variable
JN482 0:41f066ce55cf 24 {
JN482 0:41f066ce55cf 25 pedest = true;
JN482 0:41f066ce55cf 26 Onboard = 1;
JN482 0:41f066ce55cf 27 }
JN482 1:992086cb4c27 28
JN482 0:41f066ce55cf 29 void reset()
JN482 0:41f066ce55cf 30 {//start reset procedure.
JN482 0:41f066ce55cf 31 //Declaring a procedure named reset, 0 arguments are passed.
JN482 0:41f066ce55cf 32 RLED = 0;
JN482 0:41f066ce55cf 33 ALED = 0;
JN482 0:41f066ce55cf 34 GLED = 0;
JN482 0:41f066ce55cf 35 RRLED = 0;
JN482 0:41f066ce55cf 36 AALED = 0;
JN482 0:41f066ce55cf 37 GGLED = 0;
JN482 0:41f066ce55cf 38 //All Lights are switched off. (Procedure Ends return to main)
JN482 0:41f066ce55cf 39 }//End reset procedure.
JN482 0:41f066ce55cf 40
JN482 1:992086cb4c27 41 void safe()
JN482 1:992086cb4c27 42 {
JN482 1:992086cb4c27 43 if (unsafe == false)
JN482 1:992086cb4c27 44 {
JN482 1:992086cb4c27 45 unsafe = true;
JN482 1:992086cb4c27 46 reset();
JN482 1:992086cb4c27 47 }
JN482 1:992086cb4c27 48 else if(unsafe == true)
JN482 1:992086cb4c27 49 {
JN482 1:992086cb4c27 50 unsafe = false;
JN482 1:992086cb4c27 51 reset();
JN482 1:992086cb4c27 52 }
JN482 1:992086cb4c27 53 }
JN482 0:41f066ce55cf 54
JN482 0:41f066ce55cf 55 void sequence(int unsafe)
JN482 0:41f066ce55cf 56 // Declaring a procedure for sequence. 2 Arguments are recieved - unsafe and pedestrians
JN482 0:41f066ce55cf 57 {//Start sequence procedure.
JN482 0:41f066ce55cf 58 if(unsafe == true)
JN482 1:992086cb4c27 59 {
JN482 0:41f066ce55cf 60 // Sequence TRAFFIC 1, TRAFFIC 2
JN482 0:41f066ce55cf 61 RLED = 1; // RED ON RED OFF
JN482 0:41f066ce55cf 62 GGLED = 1; // AMBER OFF AMBER OFF
JN482 0:41f066ce55cf 63 wait(5); // GREEN OFF GREEN ON
JN482 0:41f066ce55cf 64 //----------------------------------------------
JN482 0:41f066ce55cf 65 GGLED = 0; // RED ON RED OFF
JN482 0:41f066ce55cf 66 ALED = 1; // AMBER OFF AMBER ON
JN482 0:41f066ce55cf 67 AALED = 1; // GREEN OFF GREEN OFF
JN482 0:41f066ce55cf 68 wait(2);
JN482 0:41f066ce55cf 69 //----------------------------------------------
JN482 0:41f066ce55cf 70 RLED = 0; // RED OFF RED OFF
JN482 0:41f066ce55cf 71 RRLED = 1; // AMBER OFF AMBER OFF
JN482 0:41f066ce55cf 72 ALED = 0; // GREEN ON GREEN OFF
JN482 0:41f066ce55cf 73 AALED = 0;
JN482 0:41f066ce55cf 74 GLED = 1;
JN482 0:41f066ce55cf 75 wait(5);
JN482 0:41f066ce55cf 76 //----------------------------------------------
JN482 0:41f066ce55cf 77 GLED = 0; // RED OFF RED OFF
JN482 0:41f066ce55cf 78 ALED = 1; // AMBER ON AMBER ON
JN482 0:41f066ce55cf 79 AALED = 1; // GREEN OFF GREEN OFF
JN482 0:41f066ce55cf 80 wait(2);
JN482 0:41f066ce55cf 81 //----------------------------------------------
JN482 1:992086cb4c27 82 reset(); /*RRLED = 0; // RED OFF RED OFF
JN482 1:992086cb4c27 83 ALED = 0; // AMBER OFF AMBER OFF
JN482 1:992086cb4c27 84 AALED = 0; // GREEN OFF GREEN OFF
JN482 1:992086cb4c27 85 This sequence is the same as reset()*/
JN482 0:41f066ce55cf 86 }
JN482 0:41f066ce55cf 87 else if(unsafe == false)
JN482 0:41f066ce55cf 88 {
JN482 0:41f066ce55cf 89 // Sequence TRAFFIC 1, TRAFFIC 2
JN482 0:41f066ce55cf 90 RLED = 1; // RED ON RED OFF
JN482 0:41f066ce55cf 91 GGLED = 1; // AMBER OFF AMBER OFF
JN482 0:41f066ce55cf 92 wait(5); // GREEN OFF GREEN ON
JN482 0:41f066ce55cf 93 //----------------------------------------------
JN482 0:41f066ce55cf 94 GGLED = 0; // RED ON RED OFF
JN482 0:41f066ce55cf 95 // AMBER OFF AMBER ON
JN482 0:41f066ce55cf 96 AALED = 1; // GREEN OFF GREEN OFF
JN482 0:41f066ce55cf 97 wait(2);
JN482 0:41f066ce55cf 98 //----------------------------------------------
JN482 0:41f066ce55cf 99 RLED = 1; // RED ON RED ON
JN482 0:41f066ce55cf 100 RRLED = 1; // AMBER OFF AMBER OFF
JN482 0:41f066ce55cf 101 ALED = 0; // GREEN OFF GREEN OFF
JN482 0:41f066ce55cf 102 AALED = 0;
JN482 0:41f066ce55cf 103 wait(2);
JN482 0:41f066ce55cf 104 if (pedest == true)
JN482 0:41f066ce55cf 105 {
JN482 0:41f066ce55cf 106 do // A do while loop, do the following until the condition counter has been met
JN482 0:41f066ce55cf 107 {
JN482 0:41f066ce55cf 108 GGLED = 1;
JN482 0:41f066ce55cf 109 Buzzer = 1;
JN482 0:41f066ce55cf 110 GLED = 1;
JN482 0:41f066ce55cf 111 wait(0.2);
JN482 0:41f066ce55cf 112 GGLED = 0;
JN482 0:41f066ce55cf 113 GLED = 0;
JN482 0:41f066ce55cf 114 Buzzer = 0;
JN482 0:41f066ce55cf 115 wait(0.2);
JN482 0:41f066ce55cf 116 counter ++;
JN482 0:41f066ce55cf 117 pedest = false;
JN482 0:41f066ce55cf 118 Onboard = 0;
JN482 0:41f066ce55cf 119 }
JN482 0:41f066ce55cf 120 while(counter <= 20);// condition of counter is while the counter is less than or equal to 10
JN482 0:41f066ce55cf 121 }
JN482 0:41f066ce55cf 122 //----------------------------------------------
JN482 1:992086cb4c27 123 GLED = 0; // RED OFF RED OFF
JN482 1:992086cb4c27 124 ALED = 1; // AMBER ON AMBER ON
JN482 1:992086cb4c27 125 wait(2); // GREEN OFF GREEN OFF
JN482 1:992086cb4c27 126
JN482 0:41f066ce55cf 127 //----------------------------------------------
JN482 0:41f066ce55cf 128 RRLED = 1; // RED OFF RED ON
JN482 0:41f066ce55cf 129 RLED = 0;
JN482 0:41f066ce55cf 130 ALED = 0; // AMBER OFF AMBER OFF
JN482 0:41f066ce55cf 131 GLED = 1; // GREEN ON GREEN OFF
JN482 0:41f066ce55cf 132 wait(5);
JN482 0:41f066ce55cf 133 //----------------------------------------------
JN482 0:41f066ce55cf 134 GLED = 0;
JN482 0:41f066ce55cf 135 ALED = 1;
JN482 0:41f066ce55cf 136 wait(2);
JN482 0:41f066ce55cf 137 ALED = 0;
JN482 0:41f066ce55cf 138 RLED = 1;
JN482 0:41f066ce55cf 139 wait(2);
JN482 0:41f066ce55cf 140 AALED = 1;
JN482 0:41f066ce55cf 141 wait(2);
JN482 0:41f066ce55cf 142 reset();
JN482 0:41f066ce55cf 143 }
JN482 0:41f066ce55cf 144 }//End sequence procedure.
JN482 0:41f066ce55cf 145
JN482 0:41f066ce55cf 146 int main()
JN482 0:41f066ce55cf 147 {//start main function.
JN482 0:41f066ce55cf 148 //Main procedure, I will create a loop and initalise my variables
JN482 0:41f066ce55cf 149 /*To create my sequence Ivneed my lights to start on the same lights everytime.
JN482 0:41f066ce55cf 150 Therefore I will create a reset which will set all of the lights off.
JN482 0:41f066ce55cf 151 I will do this by creating a separate procedure for my main procedure to point to.*/
JN482 0:41f066ce55cf 152
JN482 0:41f066ce55cf 153 reset();//Main points to reset procedure
JN482 1:992086cb4c27 154 //button.fall(&pedestrians); // This fall procedure in is the button interrupt class
JN482 1:992086cb4c27 155 Switch.fall(&safe);
JN482 1:992086cb4c27 156 button.fall(&pedestrians);
JN482 0:41f066ce55cf 157 while(1)
JN482 0:41f066ce55cf 158 {//Start of while
JN482 0:41f066ce55cf 159
JN482 0:41f066ce55cf 160 /*infinite loop, the program will never be able to exit this loop because the condition is always TRUE.
JN482 0:41f066ce55cf 161 Now that I have set up my infinite loop I can now start the sequence procedure.*/
JN482 0:41f066ce55cf 162 sequence(unsafe);// I am calling the sequence procedure with the arguments unsafe and pedestrians.
JN482 0:41f066ce55cf 163
JN482 0:41f066ce55cf 164 }//End of while
JN482 0:41f066ce55cf 165 return(0); // The complier warns me that this statement is unreachable, I know. Due the infinite loop above.
JN482 0:41f066ce55cf 166 }//End main function