Aerodyne / Mbed 2 deprecated Abcs

Demonstrate digital input and for loops

Dependencies:   mbed

abcs.cpp@1:304bb8817c1d, 2014-06-06 (annotated)

Committer:
ethanharstad
Date:
Fri Jun 06 20:42:01 2014 +0000
Revision:
1:304bb8817c1d
Parent:
0:93dd561b0067 
Comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ethanharstad 0:93dd561b0067 1 #include "mbed.h"
ethanharstad 0:93dd561b0067 2
ethanharstad 1:304bb8817c1d 3 Serial pc(USBTX, USBRX); // Computer serial port
ethanharstad 1:304bb8817c1d 4 DigitalIn btn(USER_BUTTON); // Button input
ethanharstad 0:93dd561b0067 5
ethanharstad 1:304bb8817c1d 6 // Main function
ethanharstad 0:93dd561b0067 7 int main() {
ethanharstad 1:304bb8817c1d 8 while(true) { // Main loop
ethanharstad 1:304bb8817c1d 9 pc.printf("Press the button.\n"); // Instruct the user
ethanharstad 1:304bb8817c1d 10 while(btn != 0); // Wait for a button press
ethanharstad 1:304bb8817c1d 11 for(int i = 'a'; i <= 'z'; i++) { // Loop through the alphabet
ethanharstad 1:304bb8817c1d 12 pc.printf("%c", i); // Say the letter
ethanharstad 1:304bb8817c1d 13 wait(0.1); // Wait a bit
ethanharstad 1:304bb8817c1d 14 } // End the for loop
ethanharstad 1:304bb8817c1d 15 pc.printf("\n"); // Print a new line
ethanharstad 1:304bb8817c1d 16 } // Repeat
ethanharstad 0:93dd561b0067 17 }