Diff: main.cpp

Revision:

1:80741e2594b1

Parent:

0:3899a7a0bffb

diff -r 3899a7a0bffb -r 80741e2594b1 main.cpp
--- a/main.cpp	Sat Apr 17 09:22:32 2021 +0000
+++ b/main.cpp	Sat Apr 17 10:17:41 2021 +0000
@@ -1,8 +1,14 @@
 #include "mbed.h"
 // Lab1 Digital Interrupts
 //John Curran T00214119
-// This programs prints on Tera Term what direction the joystick is pressed 
-Serial pc(USBTX, USBRX); // seriqal communications tx, rx
+// Queston 1 (b)Do you see multiple lines printed even when the joystick is toggled once? Why? Why Not!?
+// Question 1 (b) Answer : without a 'wait' time i do , however when i introduce a wait time i dont,
+// and it will just print what direction joystick is pressed on a seperate line
+// Question 1 (c) What software or hardware solution can be applied to get a decent output?
+// Question 1 (c) Answer : 'wait' & 'timers' can be used, a capacitor can be used across the switch, 'debounce' can be used
+
+// This programs prints on Tera Term what direction the joystick is pressed
+Serial pc(USBTX, USBRX); // serial communications tx, rx
 InterruptIn UP (p15); // Press Up on Joystick
 InterruptIn DOWN (p12); // Press Down on Joystick
 InterruptIn LEFT (p13); // Press Up on Joystick
@@ -23,7 +29,7 @@
             if(UP == 1) {
                 pc.printf ("'UP is Pressed'\n\r");//print UP on screen
             }
-            
+
             if(DOWN == 1) {
                 pc.printf ("'DOWN is Pressed'\n\r");//print DOWN on screen
             }
@@ -31,16 +37,16 @@
             if(LEFT == 1) {
                 pc.printf ("'LEFT is Pressed'\n\r");//print LEFT on screen
             }
-           
+
             if(RIGHT == 1) {
                 pc.printf ("'RIGHT is Pressed'\n\r");//print RIGHT on screen
             }
-            
+
             if(CENTRE == 1) {
                 pc.printf ("'CENTRE is Pressed'\n\r");//print CENTRE on screen
             }
-            
+
 
         }
     }
-}
\ No newline at end of file
+}