text: /**
   * \file
   * \brief ATCA Hardware abstraction layer for SAMB11 I2C over ASF drivers.
   *
   * Prerequisite: add SERCOM I2C Master Polled support to application in Atmel Studio
   *
   * \copyright (c) 2017 Microchip Technology Inc. and its subsidiaries.
   *            You may use this software and any derivatives exclusively with
   *            Microchip products.
   *
   * \page License
   *
   * (c) 2017 Microchip Technology Inc. and its subsidiaries. You may use this
   * software and any derivatives exclusively with Microchip products.
   *
   * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
   * EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
   * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
   * PARTICULAR PURPOSE, OR ITS INTERACTION WITH MICROCHIP PRODUCTS, COMBINATION
   * WITH ANY OTHER PRODUCTS, OR USE IN ANY APPLICATION.
   *
   * IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
   * INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
   * WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS
   * BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE
   * FULLEST EXTENT ALLOWED BY LAW, MICROCHIPS TOTAL LIABILITY ON ALL CLAIMS IN
   * ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
   * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
   *
   * MICROCHIP PROVIDES THIS SOFTWARE CONDITIONALLY UPON YOUR ACCEPTANCE OF THESE
   * TERMS.
   */
  
  #ifndef HAL_SAMB11_I2C_ASF_H_
  #define HAL_SAMB11_I2C_ASF_H_
  
  #include <asf.h>
  
  /** \defgroup hal_ Hardware abstraction layer (hal_)
   *
   * \brief
   * These methods define the hardware abstraction layer for communicating with a CryptoAuth device
   * using I2C driver of ASF.
   *
     @{ */
  
  #define MAX_I2C_BUSES    2 // SAMB11 has up to 2 I2C address that can be configured as I2C
  
  /** \brief this is the hal_data for ATCA HAL for ASF
   */
  typedef struct atcaI2Cmaster
  {
      struct i2c_master_module i2c_master_instance;
      int                      ref_ct;
      // for conveniences during interface release phase
      int bus_index;
  } ATCAI2CMaster_t;
  
  /** @} */
  #endif /* HAL_SAMB11_I2C_ASF_H_ */