Bob Merrison-Hort / Mbed 2 deprecated elec350

elec350

Dependencies:   mbed

Fork of elec350 by Bob Merrison-Hort

button.cpp@0:753cf4c2738f, 2015-10-13 (annotated)

Committer:
rmerrisonhort
Date:
Tue Oct 13 01:10:14 2015 +0000
Revision:
0:753cf4c2738f
Child:
3:998b7d011f2a
Created ELEC350 library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rmerrisonhort 0:753cf4c2738f 1 #include "button.h"
rmerrisonhort 0:753cf4c2738f 2
rmerrisonhort 0:753cf4c2738f 3 Button::Button()
rmerrisonhort 0:753cf4c2738f 4 {
rmerrisonhort 0:753cf4c2738f 5 this->pin = new DigitalIn(PA_0);
rmerrisonhort 0:753cf4c2738f 6 }
rmerrisonhort 0:753cf4c2738f 7
rmerrisonhort 0:753cf4c2738f 8 bool Button::isPressed()
rmerrisonhort 0:753cf4c2738f 9 {
rmerrisonhort 0:753cf4c2738f 10 if (this->pin->read() == 1) {
rmerrisonhort 0:753cf4c2738f 11 return true;
rmerrisonhort 0:753cf4c2738f 12 } else {
rmerrisonhort 0:753cf4c2738f 13 return false;
rmerrisonhort 0:753cf4c2738f 14 }
rmerrisonhort 0:753cf4c2738f 15 }
rmerrisonhort 0:753cf4c2738f 16
rmerrisonhort 0:753cf4c2738f 17 float Button::waitWhileHeld()
rmerrisonhort 0:753cf4c2738f 18 {
rmerrisonhort 0:753cf4c2738f 19 const float waitInterval = 0.1f;
rmerrisonhort 0:753cf4c2738f 20 while(this->isPressed() == false) {
rmerrisonhort 0:753cf4c2738f 21 wait(waitInterval);
rmerrisonhort 0:753cf4c2738f 22 }
rmerrisonhort 0:753cf4c2738f 23
rmerrisonhort 0:753cf4c2738f 24 float heldTime = 0.0f;
rmerrisonhort 0:753cf4c2738f 25 while(this->isPressed() == true) {
rmerrisonhort 0:753cf4c2738f 26 heldTime += waitInterval;
rmerrisonhort 0:753cf4c2738f 27 wait(waitInterval);
rmerrisonhort 0:753cf4c2738f 28 }
rmerrisonhort 0:753cf4c2738f 29
rmerrisonhort 0:753cf4c2738f 30 return heldTime;
rmerrisonhort 0:753cf4c2738f 31 }