/** * \file * * \brief * * \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 KIT_PROTOCOL_H_ #define KIT_PROTOCOL_H_ #include "cryptoauthlib.h" // Define this for debugging communication //#define KIT_DEBUG /** \defgroup hal_ Hardware abstraction layer (hal_) * * \brief * These methods define the hardware abstraction layer for communicating with a CryptoAuth device * @{ */ // The number of bytes to wrap a command in kit protocol. sizeof("s:t()\n") #define KIT_TX_WRAP_SIZE (7) // The number of bytes to wrap a response in kit protocol. sizeof("00()\n") #define KIT_MSG_SIZE (32) #define KIT_RX_WRAP_SIZE (KIT_MSG_SIZE + 6) #ifdef __cplusplus extern "C" { #endif ATCA_STATUS kit_init(ATCAIface iface); ATCA_STATUS kit_send(ATCAIface iface, const uint8_t* txdata, int txlength); ATCA_STATUS kit_receive(ATCAIface iface, uint8_t* rxdata, uint16_t* rxsize); ATCA_STATUS kit_wrap_cmd(const uint8_t* txdata, int txlength, char* pkitbuf, int* nkitbuf, char target); ATCA_STATUS kit_parse_rsp(const char* pkitbuf, int nkitbuf, uint8_t* kitstatus, uint8_t* rxdata, int* nrxdata); ATCA_STATUS kit_wake(ATCAIface iface); ATCA_STATUS kit_idle(ATCAIface iface); ATCA_STATUS kit_sleep(ATCAIface iface); #ifdef __cplusplus } #endif /** @} */ #endif // KIT_PROTOCOL_H