Jan Boerman / Mbed 2 deprecated ButtonBrightness

brightness of the led controlled by two buttons

Dependencies:   mbed

main.cpp@0:19aacd50bf59, 2016-09-26 (annotated)

Committer:
Jankoekenpan
Date:
Mon Sep 26 09:46:00 2016 +0000
Revision:
0:19aacd50bf59
led brightness using buttons

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jankoekenpan 0:19aacd50bf59 1 #include "mbed.h"
Jankoekenpan 0:19aacd50bf59 2
Jankoekenpan 0:19aacd50bf59 3 PwmOut led(D3);
Jankoekenpan 0:19aacd50bf59 4
Jankoekenpan 0:19aacd50bf59 5 InterruptIn but1(D5);
Jankoekenpan 0:19aacd50bf59 6 InterruptIn but2(D4);
Jankoekenpan 0:19aacd50bf59 7
Jankoekenpan 0:19aacd50bf59 8 volatile float brightness = 0.0f;
Jankoekenpan 0:19aacd50bf59 9
Jankoekenpan 0:19aacd50bf59 10 void increaseBrightness() {
Jankoekenpan 0:19aacd50bf59 11 brightness = brightness + 0.1f > 1.0f ? 1.0f : brightness + 0.1f;
Jankoekenpan 0:19aacd50bf59 12 led.write(brightness);
Jankoekenpan 0:19aacd50bf59 13 }
Jankoekenpan 0:19aacd50bf59 14
Jankoekenpan 0:19aacd50bf59 15 void decreaseBrightness() {
Jankoekenpan 0:19aacd50bf59 16 brightness = brightness - 0.1f < 0.0f ? 0.0f : brightness - 0.1f;
Jankoekenpan 0:19aacd50bf59 17 led.write(brightness);
Jankoekenpan 0:19aacd50bf59 18 }
Jankoekenpan 0:19aacd50bf59 19
Jankoekenpan 0:19aacd50bf59 20 int main()
Jankoekenpan 0:19aacd50bf59 21 {
Jankoekenpan 0:19aacd50bf59 22 but1.fall(increaseBrightness);
Jankoekenpan 0:19aacd50bf59 23 but2.fall(decreaseBrightness);
Jankoekenpan 0:19aacd50bf59 24 while (true);
Jankoekenpan 0:19aacd50bf59 25 }