/** * \file * \brief ATCA Hardware abstraction layer for SAMV71 I2C over ASF drivers. * * Prerequisite: add SERCOM I2C Master Polled support to application in Atmel Studio * * \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_SAMV71_I2C_ASF_H_ #define HAL_SAMV71_I2C_ASF_H_ #include /** \defgroup hal_ Hardware abstraction layer (hal_) * * \brief * These methods define the hardware abstraction layer for communicating with a CryptoAuth device * using I2C driver of ASF. * @{ */ #define MAX_I2C_BUSES 3 /** \brief this is the hal_data for ATCA HAL for ASF SERCOM */ typedef struct atcaI2Cmaster { uint8_t twi_id; Twihs* twi_module; int ref_ct; // for conveniences during interface release phase int bus_index; } ATCAI2CMaster_t; ATCA_STATUS change_i2c_speed(ATCAIface iface, uint32_t speed); /** @} */ #endif /* HAL_SAMD21_I2C_ASF_H_ */