You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
1.7 KiB
74 lines
1.7 KiB
/**
|
|
* Class definition for a MicroBitEvent.
|
|
*
|
|
* The MicroBitEvent is the event object that represents an event that has occurred on the ubit.
|
|
*/
|
|
|
|
#include "MicroBit.h"
|
|
|
|
/**
|
|
* Constructor.
|
|
* @param src ID of the MicroBit Component that generated the event e.g. MICROBIT_ID_BUTTON_A.
|
|
* @param value Component specific code indicating the cause of the event.
|
|
* @param fire whether the event should be fire immediately upon construction
|
|
*
|
|
* Example:
|
|
* @code
|
|
* MicrobitEvent evt(id,MICROBIT_BUTTON_EVT_CLICK,true); // auto fire
|
|
* @endcode
|
|
*/
|
|
MicroBitEvent::MicroBitEvent(uint16_t source, uint16_t value, MicroBitEventLaunchMode mode)
|
|
{
|
|
this->source = source;
|
|
this->value = value;
|
|
this->timestamp = system_timer_current_time();
|
|
|
|
if(mode != CREATE_ONLY)
|
|
this->fire(mode);
|
|
}
|
|
|
|
/**
|
|
* Default constructor - initialises all values, and sets timestamp to the current time.
|
|
*/
|
|
MicroBitEvent::MicroBitEvent()
|
|
{
|
|
this->source = 0;
|
|
this->value = 0;
|
|
this->timestamp = system_timer_current_time();
|
|
}
|
|
|
|
/**
|
|
* Fires the represented event onto the default message bus.
|
|
*/
|
|
void MicroBitEvent::fire(MicroBitEventLaunchMode mode)
|
|
{
|
|
if(MicroBitMessageBus::defaultMessageBus)
|
|
{
|
|
if (mode == CREATE_AND_QUEUE)
|
|
MicroBitMessageBus::defaultMessageBus->send(*this);
|
|
else if (mode == CREATE_AND_FIRE)
|
|
MicroBitMessageBus::defaultMessageBus->process(*this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fires the represented event onto the message bus.
|
|
*/
|
|
void MicroBitEvent::fire()
|
|
{
|
|
fire(MICROBIT_EVENT_DEFAULT_LAUNCH_MODE);
|
|
}
|
|
|
|
|
|
/**
|
|
* Constructor.
|
|
* Create a new MicroBitEventQueueItem.
|
|
* @param evt The event to be queued.
|
|
*/
|
|
MicroBitEventQueueItem::MicroBitEventQueueItem(MicroBitEvent evt)
|
|
{
|
|
this->evt = evt;
|
|
this->next = NULL;
|
|
}
|
|
|