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https://github.com/RIOT-OS/RIOT.git
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86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
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* Copyright (C) 2019 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup pkg_cryptoauthlib
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* @{
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*
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* @file
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* @brief Default configuration for Microchip CryptoAuth devices
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*
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* @author Lena Boeckmann <lena.boeckmann@haw-hamburg.de>
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*
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*/
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#ifndef ATCA_PARAMS_H
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#define ATCA_PARAMS_H
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#include "board.h"
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#include "periph/i2c.h"
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#include "cryptoauthlib.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup drivers_atca_config ATCA driver compile configuration
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* @ingroup config_drivers_misc
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* @brief Set default configuration parameters for the ATCA device
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*
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* The CryptoAuth library defines the data structure ATCAIfaceCfg for
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* device initialization. We use this instead of a self defined params
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* struct and store it in the params array.
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* ATCAIfaceCfg contains a variable for the bus address, which is never
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* used by the library. We use it to store RIOT's I2C_DEV.
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* We also initialize the baud rate with zero, because RIOT doesn't have
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* an API to change baud.
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*
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* @{
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*/
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#ifndef ATCA_PARAM_I2C
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#define ATCA_PARAM_I2C I2C_DEV(0)
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#endif
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#ifndef ATCA_PARAM_ADDR
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#define ATCA_PARAM_ADDR (ATCA_I2C_ADDR)
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#endif
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#ifndef ATCA_RX_RETRIES
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#define ATCA_RX_RETRIES (20)
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#endif
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#ifndef ATCA_DEVTYPE
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#define ATCA_DEVTYPE (ATECC608A)
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#endif
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#ifndef ATCA_PARAMS
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#define ATCA_PARAMS { .iface_type = ATCA_I2C_IFACE, \
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.devtype = ATCA_DEVTYPE, \
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.atcai2c.address = ATCA_PARAM_ADDR, \
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.atcai2c.bus = ATCA_PARAM_I2C, \
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.atcai2c.baud = -1, /**< Not used in RIOT */ \
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.wake_delay = 1500, \
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.rx_retries = ATCA_RX_RETRIES }
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#endif
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/**@}*/
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/**
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* @brief Allocation of ATCA device descriptors
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*/
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static const ATCAIfaceCfg atca_params[] =
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{
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ATCA_PARAMS
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* ATCA_PARAMS_H */
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/** @} */
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