/** * \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 * 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_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_ */