RISC-V/V203/usb/ch32v203/spiclass.h

#ifndef SPICLASS_H
#define SPICLASS_H
/**
 */
static constexpr unsigned SPIBUFLEN = 8u;

class SpiClass {
  unsigned          total;
  volatile bool     complete;
  char buffer [SPIBUFLEN];
  public:
    explicit SpiClass () noexcept;
    void Init   ();
    void drq    ();
    bool send   (const char * data, const unsigned len);
  protected:
    // void select (const bool set) const noexcept;
};

#endif // SPICLASS_H