Microbug / MicroBitDAL_SB2_TEST

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of MicroBitDALImageRewrite by Joe Finney

MicroBitButton.cpp@4:f998ee705a20, 2015-05-15 (annotated)

Committer:
finneyj
Date:
Fri May 15 22:23:17 2015 +0000
Revision:
4:f998ee705a20
Parent:
1:3e0360107f98 
SB2 support and minor bugfixes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
finneyj 1:3e0360107f98 1 #include "inc/MicroBit.h"
finneyj 1:3e0360107f98 2 #include "inc/MicroBitButton.h"
finneyj 1:3e0360107f98 3 #include "inc/MicroBitMessageBus.h"
finneyj 1:3e0360107f98 4 /**
finneyj 1:3e0360107f98 5 * Constructor.
finneyj 1:3e0360107f98 6 * Create a button representation with the given ID.
finneyj 1:3e0360107f98 7 * @param id the ID of the new LED object.
finneyj 1:3e0360107f98 8 * @param name the physical pin on the processor that this butotn is connected to.
finneyj 1:3e0360107f98 9 */
finneyj 1:3e0360107f98 10 MicroBitButton::MicroBitButton(int id, PinName name) : pin(name), irq(name)
finneyj 1:3e0360107f98 11 {
finneyj 1:3e0360107f98 12 this->id = id;
finneyj 1:3e0360107f98 13 this->name = name;
finneyj 1:3e0360107f98 14 irq.rise(this, &MicroBitButton::rising);
finneyj 1:3e0360107f98 15 irq.fall(this, &MicroBitButton::falling);
finneyj 1:3e0360107f98 16 }
finneyj 1:3e0360107f98 17
finneyj 1:3e0360107f98 18 /**
finneyj 1:3e0360107f98 19 * Interrupt on change handler for this button.
finneyj 1:3e0360107f98 20 */
finneyj 1:3e0360107f98 21 void MicroBitButton::rising()
finneyj 1:3e0360107f98 22 {
finneyj 1:3e0360107f98 23 // TODO: FIX THIS. This many of the mbed libraries aren't re-entrant...
finneyj 1:3e0360107f98 24 MicroBitEvent *evt = new MicroBitEvent();
finneyj 1:3e0360107f98 25 evt->source = id;
finneyj 1:3e0360107f98 26 evt->context = NULL;
finneyj 1:3e0360107f98 27 evt->timestamp = 0;
finneyj 1:3e0360107f98 28 evt->value = MICROBIT_BUTTON_EVT_UP;
finneyj 1:3e0360107f98 29
finneyj 4:f998ee705a20 30 uBit.MessageBus.send(evt);
finneyj 1:3e0360107f98 31 }
finneyj 1:3e0360107f98 32
finneyj 1:3e0360107f98 33 /**
finneyj 1:3e0360107f98 34 * Interrupt on change handler for this button.
finneyj 1:3e0360107f98 35 */
finneyj 1:3e0360107f98 36 void MicroBitButton::falling()
finneyj 1:3e0360107f98 37 {
finneyj 1:3e0360107f98 38 // TODO: FIX THIS. This many of the mbed libraries aren't re-entrant...
finneyj 1:3e0360107f98 39 MicroBitEvent *evt = new MicroBitEvent();
finneyj 1:3e0360107f98 40 evt->source = id;
finneyj 1:3e0360107f98 41 evt->context = NULL;
finneyj 1:3e0360107f98 42 evt->timestamp = 0;
finneyj 1:3e0360107f98 43 evt->value = MICROBIT_BUTTON_EVT_DOWN;
finneyj 1:3e0360107f98 44
finneyj 4:f998ee705a20 45 uBit.MessageBus.send(evt);
finneyj 1:3e0360107f98 46 }
finneyj 1:3e0360107f98 47
finneyj 1:3e0360107f98 48
finneyj 1:3e0360107f98 49 /**
finneyj 1:3e0360107f98 50 * Tests if this Button is currently pressed.
finneyj 1:3e0360107f98 51 * @return 1 if this button is pressed, 0 otherwise.
finneyj 1:3e0360107f98 52 */
finneyj 1:3e0360107f98 53 int MicroBitButton::isPressed()
finneyj 1:3e0360107f98 54 {
finneyj 1:3e0360107f98 55 return !pin;
finneyj 1:3e0360107f98 56 }
finneyj 1:3e0360107f98 57