text: /**
   * @file
   * Wiring pi spi interface
   * @copyright
   * maya
   * Copyright (c) 2012-2022, Joshua Scoggins
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   */
  //
  // Created by jwscoggins on 3/6/22.
  //
  #include "platform/config.h"
  #ifdef HAVE_WIRING_PI_H
  #include <cstdint>
  #include <wiringPi.h>
  #include <wiringPiSPI.h>
  namespace Neutron::SPI::WiringPi::Implementation {
      bool
      beginTransaction(int channel, int speed, int mode) noexcept {
          return wiringPiSPISetupMode(channel, speed, mode);
      }
  
      bool
      endTransaction(int channel) noexcept { return true; }
  
      bool
      begin(int channel, int speed) noexcept {
          return wiringPiSPISetup(channel, speed) >= 0;
      }
  
      void
      transfer(int channel, char* data, int len) noexcept { wiringPiSPIDataRW(channel, reinterpret_cast<unsigned char*>(data), len); }
  }
  #endif
  