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/**
* \file
* \brief ATCA Hardware abstraction layer for SWI bit banging.
*
* \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
* MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
* FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S 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.
*/
#ifndef HAL_SWI_BITBANG_H_
#define HAL_SWI_BITBANG_H_
#if BOARD == AT88CK9000
#include "swi_bitbang_at88ck9000.h"
#endif
#if (SAMD21 == 1)
#include "swi_bitbang_samd21.h"
#endif
/**
* \defgroup hal_ Hardware abstraction layer (hal_)
*
* \brief These methods define the hardware abstraction layer for
* communicating with a CryptoAuth device using SWI bit banging.
@{ */
/**
* \brief This enumeration lists flags for SWI.
*/
enum swi_flag
{
SWI_FLAG_CMD = (uint8_t)0x77, //!< flag preceding a command
SWI_FLAG_TX = (uint8_t)0x88, //!< flag requesting a response
SWI_FLAG_IDLE = (uint8_t)0xBB, //!< flag requesting to go into Idle mode
SWI_FLAG_SLEEP = (uint8_t)0xCC //!< flag requesting to go into Sleep mode
};
/**
* \brief This is the hal_data for ATCA HAL.
*/
typedef struct atcaSWImaster
{
uint8_t pin_sda;
int ref_ct;
//! for conveniences during interface release phase
int bus_index;
} ATCASWIMaster_t;
/** @} */
#endif /* HAL_SWI_BITBANG_H_ */