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Initial checkin of unified hierarchy of WPILib 2015

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Brad Miller
2013-12-15 18:30:16 -05:00
commit 3178911eef
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wpilibc/src/main/include/SPI.h Normal file
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/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2008. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib. */
/*----------------------------------------------------------------------------*/
#ifndef __SPI_H__
#define __SPI_H__
#include "HAL/HAL.h"
#include "SensorBase.h"
class DigitalOutput;
class DigitalInput;
/**
* SPI bus interface class.
*
* This class is intended to be used by sensor (and other SPI device) drivers.
* It probably should not be used directly.
*
* The FPGA only supports a single SPI interface.
*/
class SPI : public SensorBase
{
public:
SPI(DigitalOutput &clk, DigitalOutput &mosi, DigitalInput &miso);
SPI(DigitalOutput *clk, DigitalOutput *mosi, DigitalInput *miso);
SPI(DigitalOutput &clk, DigitalOutput &mosi);
SPI(DigitalOutput *clk, DigitalOutput *mosi);
SPI(DigitalOutput &clk, DigitalInput &miso);
SPI(DigitalOutput *clk, DigitalInput *miso);
virtual ~SPI();
void SetBitsPerWord(uint32_t bits);
uint32_t GetBitsPerWord();
void SetClockRate(double hz);
void SetMSBFirst();
void SetLSBFirst();
void SetSampleDataOnFalling();
void SetSampleDataOnRising();
void SetSlaveSelect(DigitalOutput *ss, tFrameMode mode=kChipSelect, bool activeLow=false);
void SetSlaveSelect(DigitalOutput &ss, tFrameMode mode=kChipSelect, bool activeLow=false);
DigitalOutput *GetSlaveSelect(tFrameMode *mode=NULL, bool *activeLow=NULL);
void SetClockActiveLow();
void SetClockActiveHigh();
virtual void ApplyConfig();
virtual uint16_t GetOutputFIFOAvailable();
virtual uint16_t GetNumReceived();
virtual bool IsDone();
bool HadReceiveOverflow();
virtual void Write(uint32_t data);
virtual uint32_t Read(bool initiate = false);
virtual void Reset();
virtual void ClearReceivedData();
protected:
void* m_spi;
DigitalOutput *m_ss;
private:
void Init(DigitalOutput *clk, DigitalOutput *mosi, DigitalInput *miso);
DISALLOW_COPY_AND_ASSIGN(SPI);
};
#endif