/* * \file * * \brief ATSHA204 header file for the I2C layer for the device * * * Copyright (c) 2011-2015 Atmel Corporation. All rights reserved. * * \asf_license_start * * \page License * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The name of Atmel may not be used to endorse or promote products derived * from this software without specific prior written permission. * * 4. This software may only be redistributed and used in connection with an * Atmel microcontroller product. * * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * \asf_license_stop * */ /* * Support and FAQ: visit Atmel Support */ #ifndef SHA204_PHYSICAL_H # define SHA204_PHYSICAL_H #include "sha204_config.h" //!< configuration values #define SHA204_RSP_SIZE_MIN ((uint8_t) 4) //!< minimum number of bytes in response #define SHA204_RSP_SIZE_MAX ((uint8_t) 35) //!< maximum size of response packet #define SHA204_BUFFER_POS_COUNT (0) //!< buffer index of count byte in command or response #define SHA204_BUFFER_POS_DATA (1) //!< buffer index of data in response //! delay between Wakeup pulse and communication in ms #define SHA204_WAKEUP_DELAY (3) /** * \defgroup sha204_communication_physical_group SHA204 Service - hardware dependent communication functions * * @{ */ void sha204p_init(void); void sha204p_set_device_id(uint8_t id); uint8_t sha204p_send_command(uint8_t count, uint8_t *command); uint8_t sha204p_receive_response(uint8_t size, uint8_t *response); uint8_t sha204p_wakeup(void); uint8_t sha204p_idle(void); uint8_t sha204p_sleep(void); uint8_t sha204p_reset_io(void); uint8_t sha204p_resync(uint8_t size, uint8_t *response); //! @} #endif