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101 lines
3.6 KiB
101 lines
3.6 KiB
#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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// Enumeration of core components.
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#define MICROBIT_ID_BUTTON_A 1
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#define MICROBIT_ID_BUTTON_B 2
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#define MICROBIT_ID_BUTTON_RESET 3
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#define MICROBIT_ID_ACCELEROMETER 4
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#define MICROBIT_ID_COMPASS 5
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#define MICROBIT_ID_DISPLAY 6
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#define MICROBIT_ID_THERMOMETER 7
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//EDGE connector events
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#define MICROBIT_IO_PINS 20
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#define MICROBIT_ID_IO_P0 7 //P0 is the left most pad (ANALOG/DIGITAL)
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#define MICROBIT_ID_IO_P1 8 //P1 is the middle pad (ANALOG/DIGITAL)
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#define MICROBIT_ID_IO_P2 9 //P2 is the right most pad (ANALOG/DIGITAL)
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#define MICROBIT_ID_IO_P3 10 //COL1 (ANALOG/DIGITAL)
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#define MICROBIT_ID_IO_P4 11 //BTN_A
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#define MICROBIT_ID_IO_P5 12 //COL2 (ANALOG/DIGITAL)
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#define MICROBIT_ID_IO_P6 13 //ROW2
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#define MICROBIT_ID_IO_P7 14 //ROW1
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#define MICROBIT_ID_IO_P8 15 //PIN 18
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#define MICROBIT_ID_IO_P9 16 //ROW3
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#define MICROBIT_ID_IO_P10 17 //COL3 (ANALOG/DIGITAL)
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#define MICROBIT_ID_IO_P11 18 //BTN_B
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#define MICROBIT_ID_IO_P12 19 //PIN 20
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#define MICROBIT_ID_IO_P13 20 //SCK
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#define MICROBIT_ID_IO_P14 21 //MISO
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#define MICROBIT_ID_IO_P15 22 //MOSI
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#define MICROBIT_ID_IO_P16 23 //PIN 16
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#define MICROBIT_ID_IO_P19 24 //SCL
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#define MICROBIT_ID_IO_P20 25 //SDA
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#define MICROBIT_ID_BUTTON_AB 26 // Button A+B multibutton
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#define MICROBIT_ID_NOTIFY 1023 // Notfication channel, for general purpose synchronisation
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#define MICROBIT_ID_NOTIFY_ONE 1022 // Notfication channel, for general purpose synchronisation
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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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