/**
 * \file
 * \brief ATCA Hardware abstraction layer for Linux using kit protocol over a USB CDC device.
 *
 * \copyright (c) 2015-2020 Microchip Technology Inc. and its subsidiaries.
 *
 * \page License
 *
 * Subject to your compliance with these terms, you may use Microchip software
 * and any derivatives exclusively with Microchip products. It is your
 * responsibility to comply with third party license terms applicable to your
 * use of third party software (including open source software) that may
 * accompany Microchip software.
 *
 * 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. 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
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 * LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED
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 */

#ifndef HAL_LINUX_KIT_CDC_H_
#define HAL_LINUX_KIT_CDC_H_

/** \defgroup hal_ Hardware abstraction layer (hal_)
 *
 * \brief
 * These methods define the hardware abstraction layer for communicating with a CryptoAuth device
 *
   @{ */

// Kit USB defines
#define CDC_DEVICES_MAX     10      //! Maximum number of supported Kit USB devices
#define CDC_BUFFER_MAX      1024    //! Maximum number of bytes read per port read


// Each device that is found will have a read handle and a write handle
typedef int HANDLE;
#define INVALID_HANDLE_VALUE ((int)(-1))
typedef struct cdc_device
{
    HANDLE read_handle;         //! The kit USB read file handle
    HANDLE write_handle;        //! The kit USB write file handle
} cdc_device_t;


// A structure to hold CDC information
typedef struct atcacdc
{
    cdc_device_t kits[CDC_DEVICES_MAX];
    int8_t       num_kits_found;
} atcacdc_t;

/** @} */

#endif /* HAL_LINUX_KIT_CDC_H_ */