63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#ifndef MICROBIT_COMPONENT_H
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#define MICROBIT_COMPONENT_H
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/**
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* Class definition for MicroBitComponent
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* All components should inherit from this class.
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* @note if a component needs to be called regularly, then you should add the component to the systemTick and idleTick queues.
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* If it's in the systemTick queue, you should override systemTick and implement the required functionality.
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* Similarly if the component is in the idleTick queue, the idleTick member function should be overridden.
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*/
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class MicroBitComponent
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{
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protected:
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uint16_t id; // Event Bus ID
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uint8_t status; // keeps track of various component state, and also indicates if data is ready.
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public:
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/**
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* The default constructor of a MicroBitComponent
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*/
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MicroBitComponent()
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{
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this->id = 0;
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this->status = 0;
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}
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/**
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* Once added to the systemTickComponents array, this member function will be
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* called in interrupt context on every system tick.
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*/
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virtual void systemTick(){
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}
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/**
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* Once added to the idleThreadComponents array, this member function will be
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* called in idle thread context indiscriminately.
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*/
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virtual void idleTick()
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{
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}
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/**
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* When added to the idleThreadComponents array, this function will be called to determine
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* if and when data is ready.
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* @note override this if you want to request to be scheduled imminently
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*/
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virtual int isIdleCallbackNeeded()
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{
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return 0;
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}
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virtual ~MicroBitComponent()
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{
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}
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};
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#endif
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