Files
allwpilib/wpilibc/wpilibC++/include/SPI.h
thomasclark bb50f4b134 C++ testing
Made a toplevel directory for C++ and C++ tests

Change-Id: I4bc2074a7036ec7fe79568b411637a5bee9eb5b3

Added the C++ testing framework and one test

Change-Id: I1e80a1e16b251a49666820a9d4c8caa025da9785
2014-06-02 15:36:18 -04:00

73 lines
2.0 KiB
C++

/*----------------------------------------------------------------------------*/
/* 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. */
/*----------------------------------------------------------------------------*/
#pragma once
#include "HAL/HAL.hpp"
#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);
};