BSpi.h

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/*******************************************************************************
 *  BSpi.h  BSpi class
 *  T.Barnaby,  Beam Ltd,   2012-11-12
 *  Copyright (c) 2022 All Right Reserved, Beam Ltd, https://www.beam.ltd.uk
 *  For license see LICENSE.txt at the root of the beamlib source tree.
 *******************************************************************************
 */
#ifndef BSpi_h
#define BSpi_h
 
#include <BTypes.h>
#include <BError.h>
 
class BSpi {
public:
    enum Mode   { Mode0 = 0, Mode1 = 1, Mode2 = 2, Mode3 = 3 };
 
            BSpi();
    BError      init(BString devName, BUInt speed = 1000000, Mode mode = Mode1, Bool csActive = 0);
    
    BError      transact(BUInt8 dev, void* txBuf, int txLen, int pad, void* rxBuf, int rxLen);
 
private:
    BString     odevName;
    int     odev;
};
 
#endif