Charles Tritt / Mbed 2 deprecated TrafficEx

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Dependencies:   mbed

Fork of TimeoutEx by Charles Tritt

main.cpp@0:3151531e9a31, 2017-10-06 (annotated)

Committer:
CSTritt
Date:
Fri Oct 06 21:08:45 2017 +0000
Revision:
0:3151531e9a31
Child:
1:2438293c128c
Initial version of my version of T & W's Example 9.1 InterruptIn demonstration.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
CSTritt 0:3151531e9a31 1 /*
CSTritt 0:3151531e9a31 2 Project: TW_Ex_9_1
CSTritt 0:3151531e9a31 3 File: main.cpp
CSTritt 0:3151531e9a31 4
CSTritt 0:3151531e9a31 5 An example similar to T&W example 9.1. Green junction will flash
CSTritt 0:3151531e9a31 6 continuously. Blue junction will toggle in response to depressing the user
CSTritt 0:3151531e9a31 7 button.
CSTritt 0:3151531e9a31 8
CSTritt 0:3151531e9a31 9 Created by Dr. C. S. Tritt
CSTritt 0:3151531e9a31 10 Last revised: 10/6/17 (v. 1.0)
CSTritt 0:3151531e9a31 11 */
CSTritt 0:3151531e9a31 12 #include "mbed.h"
CSTritt 0:3151531e9a31 13
CSTritt 0:3151531e9a31 14 InterruptIn myButton(USER_BUTTON); // Button is normally high. Goes low w/press.
CSTritt 0:3151531e9a31 15
CSTritt 0:3151531e9a31 16 DigitalOut bluLED(D4); // Bluee and green LED junctions.
CSTritt 0:3151531e9a31 17 DigitalOut grnLED(D3);
CSTritt 0:3151531e9a31 18
CSTritt 0:3151531e9a31 19 void myISR() { // Simple ISR toggles the red LED junction when called.
CSTritt 0:3151531e9a31 20 bluLED = !bluLED; // Toggle blue junction.
CSTritt 0:3151531e9a31 21 }
CSTritt 0:3151531e9a31 22
CSTritt 0:3151531e9a31 23 int main() {
CSTritt 0:3151531e9a31 24 bluLED = 0; // Turn blue & green off at start.
CSTritt 0:3151531e9a31 25 grnLED = 0;
CSTritt 0:3151531e9a31 26
CSTritt 0:3151531e9a31 27 myButton.fall(&myISR); // "Register" the ISR routine. Sets vector.
CSTritt 0:3151531e9a31 28
CSTritt 0:3151531e9a31 29 while(true) {
CSTritt 0:3151531e9a31 30 grnLED = !grnLED; // Toggle green junction.
CSTritt 0:3151531e9a31 31 wait(0.5); // Pause half a second.
CSTritt 0:3151531e9a31 32 }
CSTritt 0:3151531e9a31 33 }