UoD_ME21001_Group_2_03
/
Finalcode2
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Dependencies: mbed
Revision 0:6cba4a800507, committed 2019-11-29
- Comitter:
- alvaro75
- Date:
- Fri Nov 29 18:07:12 2019 +0000
- Commit message:
- Finalcode2
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 |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Nov 29 18:07:12 2019 +0000
@@ -0,0 +1,127 @@
+/************************************************************
+* University of Dundee *
+* ME21001 - Software Applications for Engineering Design *
+* Traffic Intersection Project *
+* Group 3 *
+* Alvaro Almeida Arencibia *
+* Adams Boyd *
+* Qiushuhao *
+* *
+* This progam will control 4 traffic lights *
+* with the intervention of a train *
+* *
+* For this program we will have 7 leds as outputs and 3 *
+* inputs; 2 Ldrs and 1 switch *
+************************************************************/
+
+
+
+#include "mbed.h" // We include the library called "mbed.h"
+
+DigitalOut redled1 (p23); // pin 23 is declared as an output with the name of redled1 (this led wiill be for the cars)
+DigitalOut redledp (p21); // pin 21 is declared as an output with the name of redledp (this led will be for the pedestrians)
+DigitalOut greenled1 (p24); // pin 24 is declared as an output with the name of greenled1 (this led will be for the cars)
+DigitalOut greenledp (p27); // pin 27 is declared as an output with the name of greenledp (this led will be for the pedestrians)
+DigitalOut yellowled1 (p22); // pin 22 is declared as an output with the name of yellowled1 (this led will be for the cars)
+DigitalIn switchstate (p10); // pin 10 is declared as an input with the name of switchstate (this switch will be used by the pedestrians)
+DigitalIn LDR1 (p17); // pin 17 is declared as an input with the name of LDR1 (this LDR will be in charge to see if there are cars in the middle of the junctions)
+DigitalIn LDR2 (p18); // pin 18 is declared as an input with the name of LDR2 (this LDR will observe if there are is any train coming)
+DigitalOut myspeaker (LED1); // LED1 is declared as an output with the name of myspeaker as this led will simulate an alarm
+DigitalOut LED(LED2); // LED2 is declared as an output with the name of LED2
+
+int alarm=0; // A variable named as "alarm", with an initial value of 0, is defined
+int state=1; // A variable named as "state", with an initial value of 1, is defined
+
+void train () { // A new function named as "train" is declared
+ greenled1=0; // greenled1 is turned off
+ yellowled1=1; // yellowled1 is turned on
+ wait(5); // wait for 5 seconds
+ redled1=1; // redled1 is turned on
+ yellowled1=0; // yellowled1 is turned off
+ wait(1); // wait for 1 second
+ redledp=0; // redledp is turned off
+ greenledp=1; // greenledp is turned on
+ wait(3); // wait for 3 seconds
+ if(LDR1.read()) { // An "if" function is defined, this will make an action if LDR1 detects a lack of light
+ if(LDR1.read()) { // An "if" function is defined, this will make an action if LDR1 detects a lack of light
+ alarm= alarm+1; // This comand will increase the value of the variable "alarm" by 1
+ wait(2); // wait for 2 seconds
+ }
+ if(LDR1.read()) { // An "if" function is defined, this will make an action if LDR1 detects a lack of light
+ alarm= alarm+1; // This comand will increase the value of the variable "alarm" by 1
+ wait(2); // wait for 2 seconds
+ }
+ if(LDR1.read()) { // An "if" function is defined, this will make an action if LDR1 detects a lack of light
+ alarm= alarm+1; // This comand will increase the value of the variable "alarm" by 1
+ wait(2); // wait for 2 seconds
+ }
+ if(alarm==3) { // An "if" function is defined, this will make an action if the value of the variable "alarm" is equal to 3
+ myspeaker= 1; // myspeaker1 is turned on
+ greenled1=0; // greenled1 is turned off
+ redled1=1; // redled1 is turned on
+ redledp=1; // redledp is turned on
+ greenledp=0; // greenledp is turned off
+ wait(50); // wait for 50 seconds
+ }
+ }
+}
+
+
+void pedestrian() { // A new funtion named as "pedestrian" is declared
+ if (LDR2.read()) { // An "if" function is defined, this will make an action if LDR2 detects a lack of light
+ train(); // This will do the function "train"
+ }
+ greenled1=0; // greenled1 is turned off
+ LED=0; // LED is turned off
+ yellowled1=1; // yellowled1 is turned on
+ wait(5); // Wait for 5 seconds
+ redled1=1; // redled1 is turned on
+ wait(2); // Wait for 2 seconds
+ yellowled1=0; // yellowled1 is turned off
+ wait(1); // Wait for 1 second
+ redledp=0; // redledp is turned off
+ greenledp=1; // greenledp is turned on
+ wait(5); // Wait for 5 seconds
+ greenledp=0; // greenledp is turned off
+ redledp=1; // redledp is turned on
+ wait(1); // Wait for 1 second
+ yellowled1=1; // yellowled1 is turned on
+ wait(1); // wait for 1 second
+ yellowled1=0; // yellowled1 is turned off
+ redled1=0; // redled1 is turned off
+ greenled1=1; // greenled1 is turned on
+ LED=1; // LED is turned on
+ wait(1); // wait for 1 second
+ state= state+1; // This comand will increase the value of the variable "state" by 1
+}
+
+
+
+int main() {
+ while(1) { // Command that creates an infinite loop
+ greenled1=1; // greenled1 is turned on
+ redledp=1; // redledp is turned on
+ if(switchstate.read()) { // An "if" function is defined, this will make an action if switch detects it is being pressed
+ state=state+1; // This comand will increase the value of the variable "state" by 1
+ }
+ if (state>1){ // An "if" function is defined, this will make an action if the variable "state" is higher than 1
+ state=0; // This comand will define the value of the variable "state" to 0
+ }
+ if(state==0) { // An "if" function is defined, this will make an action if the value of the variable "state" is 0
+ pedestrian (); // The function "pedestrian" will be done
+ }
+ if(LDR2.read()) { // An "if" function is defined, this will make an action if LDR2 detects a lack of light
+ train(); // The function "train" will be done
+ wait(3); // Wait for 3 seconds
+ redledp=1; // redledp is turned on
+ greenledp=0; // greenledp is turned off
+ wait(1); // Wait for 1 second
+ yellowled1=1; // yellowled1 is turned on
+ wait(1); // Wait for 1 second
+ redled1=0; // redled1 is turned off
+ yellowled1=0; // yellowled1 is turned off
+ greenled1=1; // greenled1 is turned on
+ wait(5); // Wait for 5 seconds
+ }
+}
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Nov 29 18:07:12 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file