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1 | /*
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2 | * Copyright (c) 2012 by Cristian Maglie <c.maglie@arduino.cc>
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3 | * DAC library for Arduino Due.
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4 | *
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5 | * This file is free software; you can redistribute it and/or modify
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6 | * it under the terms of either the GNU General Public License version 2
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7 | * or the GNU Lesser General Public License version 2.1, both as
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8 | * published by the Free Software Foundation.
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9 | */
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10 |
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11 | #ifndef DAC_INCLUDED
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12 | #define DAC_INCLUDED
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13 |
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14 | #include "Arduino.h"
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15 |
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16 | typedef void (*OnTransmitEnd_CB)(void *data);
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17 |
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18 | class DACClass
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19 | {
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20 | public:
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21 | DACClass(Dacc *_dac, uint32_t _dacId, IRQn_Type _isrId) :
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22 | dac(_dac), dacId(_dacId), isrId(_isrId), cb(NULL) { };
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23 | void begin(uint32_t period);
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24 | void end();
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25 | bool canQueue();
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26 | size_t queueBuffer(const uint32_t *buffer, size_t size);
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27 | uint32_t *getCurrentQueuePointer();
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28 | void setOnTransmitEnd_CB(OnTransmitEnd_CB _cb, void *data);
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29 | void onService();
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30 |
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31 | void enableInterrupts() { NVIC_EnableIRQ(isrId); };
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32 | void disableInterrupts() { NVIC_DisableIRQ(isrId); };
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33 |
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34 | private:
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35 | Dacc *dac;
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36 | uint32_t dacId;
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37 | IRQn_Type isrId;
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38 | OnTransmitEnd_CB cb;
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39 | void *cbData;
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40 | };
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41 |
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42 | extern DACClass DAC;
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43 |
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44 | #endif
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