Diff: main.cpp

Revision:

0:15af3fe682b0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Mar 26 10:19:41 2021 +0000
@@ -0,0 +1,34 @@
+#include "mbed.h"
+#include "iostream" // this is required for "cin" (user input from keyboard)
+
+DigitalOut R(p23); //Red pin of RGB LED
+DigitalOut G(p24); //Green pin of RGB LED
+DigitalOut B(p25); //Blue pin of RGB LED
+        char c; // initialise a variable of type char for the user intput.
+//*NOTE THE RGB LED on the application board is "0" for on, "1" for off * NOTE //      
+    
+int main() {
+    R = G = B = 1;
+    printf("Control the LED using keyboard. \n \r"); // print the messages below to terminal (\n = new line, \r = move to 1st pos on next line.)
+        printf("R for Red, G for Green, B for Blue,W for White. \n \r");
+        printf("O turn off all LEDs. \n \r");
+    while(1) {
+        
+        cin >> c; // get user input and assign to the char variable "c" 
+       if 
+       (c == 'r') // if input = r, for red...
+       {R = 0, G = 1, B = 1;} // turn red of RGB on, while turning Green & Blue off. ** SEE NOTE ABOVE **
+       else if // if not the above...
+       (c == 'g')
+       {R = 1, G = 0, B = 1;} 
+              else if // if not the above...
+       (c == 'b')
+       {R = 1, G = 1, B = 0;} 
+              else if // if not the above...
+       (c == 'w')
+       {R = 0, G = 0, B = 0;}
+              else if // if not the above...
+       (c == 'o')
+       {R = 1, G = 1, B = 1;}        
+    }
+}