text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2016 Scott Shawcroft
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  
  #include "shared-bindings/busio/SPI.h"
  #include "py/mperrno.h"
  #include "py/runtime.h"
  
  #include "boards/board.h"
  #include "common-hal/microcontroller/Pin.h"
  
  void common_hal_busio_spi_construct(busio_spi_obj_t *self,
           const mcu_pin_obj_t * clock, const mcu_pin_obj_t * mosi,
           const mcu_pin_obj_t * miso) {
      mp_raise_NotImplementedError(translate("SPI not yet supported"));
  }
  
  void common_hal_busio_spi_never_reset(busio_spi_obj_t *self) {
  }
  
  bool common_hal_busio_spi_deinited(busio_spi_obj_t *self) {
      return 0;
  }
  
  void common_hal_busio_spi_deinit(busio_spi_obj_t *self) {
  }
  
  bool common_hal_busio_spi_configure(busio_spi_obj_t *self,
           uint32_t baudrate, uint8_t polarity, uint8_t phase, uint8_t bits) {
       return true;
  }
  
  bool common_hal_busio_spi_try_lock(busio_spi_obj_t *self) {
      bool grabbed_lock = false;
      return grabbed_lock;
  }
  
  bool common_hal_busio_spi_has_lock(busio_spi_obj_t *self) {
      return self->has_lock;
  }
  
  void common_hal_busio_spi_unlock(busio_spi_obj_t *self) {
      self->has_lock = false;
  }
  
  bool common_hal_busio_spi_write(busio_spi_obj_t *self,
          const uint8_t *data, size_t len) {
      return 0;
  }
  
  bool common_hal_busio_spi_read(busio_spi_obj_t *self,
          uint8_t *data, size_t len, uint8_t write_value) {
      return 0;
  }
  
  bool common_hal_busio_spi_transfer(busio_spi_obj_t *self, uint8_t *data_out, uint8_t *data_in, size_t len) {
      return 0;
  }
  
  uint32_t common_hal_busio_spi_get_frequency(busio_spi_obj_t* self) {
      return 0;
  }
  
  uint8_t common_hal_busio_spi_get_phase(busio_spi_obj_t* self) {
      return 0;
  }
  
  uint8_t common_hal_busio_spi_get_polarity(busio_spi_obj_t* self) {
      return 0;
  }