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45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/*
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* Copyright (c) 2012 by Cristian Maglie <c.maglie@bug.st>
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* DAC library for Arduino Due.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either the GNU General Public License version 2
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* or the GNU Lesser General Public License version 2.1, both as
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* published by the Free Software Foundation.
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*/
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#ifndef DAC_INCLUDED
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#define DAC_INCLUDED
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#include "Arduino.h"
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typedef void (*OnTransmitEnd_CB)(void *data);
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class DACClass
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{
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public:
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DACClass(Dacc *_dac, uint32_t _dacId, IRQn_Type _isrId) :
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dac(_dac), dacId(_dacId), isrId(_isrId), cb(NULL) { };
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void begin(uint32_t period);
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void end();
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bool canQueue();
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size_t queueBuffer(const uint32_t *buffer, size_t size);
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uint32_t *getCurrentQueuePointer();
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void setOnTransmitEnd_CB(OnTransmitEnd_CB _cb, void *data);
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void onService();
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void enableInterrupts() { NVIC_EnableIRQ(isrId); };
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void disableInterrupts() { NVIC_DisableIRQ(isrId); };
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private:
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Dacc *dac;
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uint32_t dacId;
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IRQn_Type isrId;
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OnTransmitEnd_CB cb;
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void *cbData;
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};
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extern DACClass DAC;
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#endif
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