/** * * \file * * \brief This module contains WINC3400 I2C protocol bus APIs implementation. * * Copyright (c) 2017-2018 Microchip Technology Inc. and its subsidiaries. * * \asf_license_start * * \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. * * \asf_license_stop * */ #ifndef _NMI2C_H_ #define _NMI2C_H_ #include "common/include/nm_common.h" /** * @fn nm_i2c_read_reg * @brief Read register * @param [in] u32Addr * Register address * @return Register value */ uint32 nm_i2c_read_reg(uint32 u32Addr); /** * @fn nm_i2c_read_reg_with_ret * @brief Read register with error code return * @param [in] u32Addr * Register address * @param [out] pu32RetVal * Pointer to u32 variable used to return the read value * @return ZERO in case of success and M2M_ERR_BUS_FAIL in case of failure */ sint8 nm_i2c_read_reg_with_ret(uint32 u32Addr, uint32* pu32RetVal); /** * @fn nm_i2c_write_reg * @brief write register * @param [in] u32Addr * Register address * @param [in] u32Val * Value to be written to the register * @return ZERO in case of success and M2M_ERR_BUS_FAIL in case of failure */ sint8 nm_i2c_write_reg(uint32 u32Addr, uint32 u32Val); /** * @fn nm_i2c_read_block * @brief Read block of data * @param [in] u32Addr * Start address * @param [out] puBuf * Pointer to a buffer used to return the read data * @param [in] u16Sz * Number of bytes to read. The buffer size must be >= u16Sz * @return ZERO in case of success and M2M_ERR_BUS_FAIL in case of failure */ sint8 nm_i2c_read_block(uint32 u32Addr, uint8 *puBuf, uint16 u16Sz); /** * @fn nm_i2c_write_block * @brief Write block of data * @param [in] u32Addr * Start address * @param [in] puBuf * Pointer to the buffer holding the data to be written * @param [in] u16Sz * Number of bytes to write. The buffer size must be >= u16Sz * @return ZERO in case of success and M2M_ERR_BUS_FAIL in case of failure */ sint8 nm_i2c_write_block(uint32 u32Addr, uint8 *puBuf, uint16 u16Sz); #endif /* _NMI2C_H_ */