Microbug / MicroBitDAL_SB2_TEST

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Fork of MicroBitDALImageRewrite by Joe Finney

MicroBitButton.cpp@1:3e0360107f98, 2015-04-16 (annotated)

Committer:
finneyj
Date:
Thu Apr 16 13:50:24 2015 +0000
Revision:
1:3e0360107f98
Child:
4:f998ee705a20
Updates to include:; ;   - Asynchronous Scrolltext();   - First iteration of MessageBus implementation;   - Hardware configuration for SquareBoard protoype

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 1:3e0360107f98 30 MicroBit::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 1:3e0360107f98 45 MicroBit::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
finneyj 1:3e0360107f98 58