SW_SPI.h

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#pragma once
 
#if defined(ARDUINO) && ARDUINO >= 100
    #include <Arduino.h>
#elif defined(bcm2835)
    #include "rpi_bcm2835.h"
    #include "bcm2835_spi.h"
    #include "bcm2835_stream.h"
#elif __cplusplus >= 201703L
    #if __has_include(<Arduino.h>)
        #include <Arduino.h>
    #endif
#endif
 
#include "TMC_platforms.h"
 
class SW_SPIClass {
    public:
        SW_SPIClass(uint16_t sw_mosi_pin, uint16_t sw_miso_pin, uint16_t sw_sck_pin);
        void init();
        void begin() {};
        uint8_t transfer(uint8_t ulVal);
        uint16_t transfer16(uint16_t data);
        void endTransaction() {};
    private:
        const uint16_t  mosi_pin,
                        miso_pin,
                        sck_pin;
 
        #if defined(ARDUINO_ARCH_AVR)
            fastio_bm mosi_bm,
                    miso_bm,
                    sck_bm;
            fastio_reg mosi_register,
                             miso_register,
                             sck_register;
        #endif
};