/** * Copyright (c) 2009 - 2019, Nordic Semiconductor ASA * * All rights reserved. * * 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, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, 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. Neither the name of Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS 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. * */ #ifndef SDIO_H #define SDIO_H /*lint ++flb "Enter library region" */ #include #include #ifdef __cplusplus extern "C" { #endif /** @file * @brief 2-wire serial interface driver (compatible with ADNS2080 mouse sensor driver) * * * @defgroup nrf_drivers_sdio SDIO driver * @{ * @ingroup nrf_drivers * @brief 2-wire serial interface driver. */ /** * @brief Function for initializing 2-wire serial interface and trying to handle stuck slaves. * */ void sdio_init(void); /** * @brief Function for reading a byte over 2-wire serial interface. * * Developer needs to implement this function in a way that suits the hardware. * @param address Register address to read from * @return Byte read */ uint8_t sdio_read_byte(uint8_t address); /** * @brief Function for reading several bytes over 2-wire serial interface using burst mode. * * Developer needs to implement this function in a way that suits the hardware. * @param target_buffer Buffer location to store read bytes to * @param target_buffer_size Bytes allocated for target_buffer */ void sdio_read_burst(uint8_t *target_buffer, uint8_t target_buffer_size); /** * @brief Function for writing a byte over 2-wire serial interface. * * Developer needs to implement this function in a way that suits the hardware. * @param address Register address to write to * @param data_byte Data byte to write */ void sdio_write_byte(uint8_t address, uint8_t data_byte); /** *@} **/ /*lint --flb "Leave library region" */ #ifdef __cplusplus } #endif #endif