Files
allwpilib/wpilibc/wpilibC++Devices/include/SPI.h
Alex Henning 7c8124d76c Allowed sharing of common C++ code between RoboRIO and Simulation.
Change-Id: I8bf2bda9df389c13ae0567a62dbf0ca931ceb6f8
2014-08-08 18:36:03 -04:00

59 lines
1.4 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.
*
*/
class SPI : public SensorBase
{
public:
enum Port {kOnboardCS0, kOnboardCS1, kOnboardCS2, kOnboardCS3, kMXP};
SPI(Port SPIport);
virtual ~SPI();
void SetClockRate(double hz);
void SetMSBFirst();
void SetLSBFirst();
void SetSampleDataOnFalling();
void SetSampleDataOnRising();
void SetClockActiveLow();
void SetClockActiveHigh();
void SetChipSelectActiveHigh();
void SetChipSelectActiveLow();
virtual int32_t Write(uint8_t* data, uint8_t size);
virtual int32_t Read(bool initiate, uint8_t* dataReceived, uint8_t size);
virtual int32_t Transaction(uint8_t* dataToSend, uint8_t* dataReceived, uint8_t size);
protected:
uint8_t m_port;
bool m_msbFirst;
bool m_sampleOnTrailing;
bool m_clk_idle_high;
private:
void Init();
DISALLOW_COPY_AND_ASSIGN(SPI);
};