/**
 * \file
 * \brief ATCA Hardware abstraction layer for SWI over UART drivers.
 *
 * \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
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 * LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED
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 * THIS SOFTWARE.
 */

#ifndef HAL_SWI_UART_H_
#define HAL_SWI_UART_H_

#ifdef ATMEL_START
    #include "swi_uart_start.h"
#elif defined (SAMD21_ASF)
    #include "swi_uart_samd21_asf.h"
#elif defined (XMEGA_ASF)
    #include "swi_uart_xmega_a3bu_asf.h"
#elif defined (AT90USB_ASF)
    #include "swi_uart_at90usb1287_asf.h"
#endif


/** \defgroup hal_ Hardware abstraction layer (hal_)
 *
 * \brief
 * These methods define the hardware abstraction layer for communicating with a CryptoAuth device
 * using SWI interface.
 *
   @{ */
#define SWI_WAKE_TOKEN   ((uint8_t)0x00)    //!< flag preceding a command
#define SWI_FLAG_CMD     ((uint8_t)0x77)    //!< flag preceding a command
#define SWI_FLAG_TX      ((uint8_t)0x88)    //!< flag requesting a response
#define SWI_FLAG_IDLE    ((uint8_t)0xBB)    //!< flag requesting to go into Idle mode
#define SWI_FLAG_SLEEP   ((uint8_t)0xCC)    //!< flag requesting to go into Sleep mode

ATCA_STATUS hal_swi_send_flag(ATCAIface iface, uint8_t flag);

/** @} */
#endif /* HAL_SWI_UART_H_ */