Diff: lab4b.cpp

Revision:

0:468c9208499f

Child:

1:d800035aa2d9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lab4b.cpp	Thu Aug 27 17:18:10 2020 +0000
@@ -0,0 +1,42 @@
+/*
+Title:  Using Pushbuttons to selectively blink a RED/Green Led
+Author: Your Name,Student Id, Course Code, Lab Section
+Date:   Today's Date
+Description:    This program will turn ON/OFF the red led if the
+                left pushbutton is pressed or the green led if the
+                right pushbutton is pressed.
+*/
+
+#include "mbed.h"                   // include the mbed library
+
+DigitalOut led_red(LED_RED);        // led_red is set to RED LED pin
+DigitalOut led_green(LED_GREEN);    // led_green is set to GREEN LED pin
+DigitalIn left_pb(SW3);             // left_pb is set to left pb pin
+DigitalIn right_pb(SW2);            // right pb is set to right pb pin
+
+int main() 
+{
+    led_red=led_green=1;            // turn red and green leds off
+    for(;;)
+    {
+        if(left_pb==0)              // if left pb is pressed
+        {
+           led_red=1;               // red led is off
+           wait_ms(500);
+           led_red=0;               // red led is on
+           wait_ms(500);       
+        }
+        else
+           if(right_pb==0)          // else if rigth pb is pressed
+           {
+              led_green=1;          // green led is off
+              wait_ms(500);
+              led_green=0;          // green led is on
+              wait_ms(500);            
+           } 
+           else 
+           {
+              led_red=led_green=1;  // turn red and green leds off
+           }     
+    } 
+}