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54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
// Class for handling DMA transfers.
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// Copyright (c) National Instruments 2008. All Rights Reserved.
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#ifndef __tDMAManager_h__
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#define __tDMAManager_h__
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#include "tSystem.h"
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#include <stdint.h>
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namespace nFPGA
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{
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class tDMAManager : public tSystem
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{
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public:
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tDMAManager(uint32_t dmaChannel, uint32_t hostBufferSize, tRioStatusCode *status);
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~tDMAManager();
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void start(tRioStatusCode *status);
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void stop(tRioStatusCode *status);
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bool isStarted() {return _started;}
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void read(
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uint32_t* buf,
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size_t num,
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uint32_t timeout,
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size_t* remaining,
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tRioStatusCode *status);
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void write(
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uint32_t* buf,
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size_t num,
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uint32_t timeout,
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size_t* remaining,
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tRioStatusCode *status);
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void read(
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uint8_t* buf,
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size_t num,
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uint32_t timeout,
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size_t* remaining,
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tRioStatusCode *status);
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void write(
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uint8_t* buf,
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size_t num,
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uint32_t timeout,
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size_t* remaining,
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tRioStatusCode *status);
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private:
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bool _started;
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uint32_t _dmaChannel;
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uint32_t _hostBufferSize;
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};
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}
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#endif // __tDMAManager_h__
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