/* * * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER 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. * */ /********************************************************************* * FILE PURPOSE: I2C API definition ********************************************************************* * FILE NAME: i2c.h * * DESCRIPTION: Defines the i2c API * * @file i2c.h * * @brief * Defines the i2c API * *********************************************************************/ #include "types.h" typedef UINT16 I2C_RET; #define I2C_RET_OK 0 #define I2C_RET_LOST_ARB 1 #define I2C_RET_NO_ACK 2 #define I2C_RET_IDLE_TIMEOUT 3 #define I2C_RET_BAD_REQUEST 4 #define I2C_RET_CLOCK_STUCK_LOW 5 #define I2C_RET_GEN_ERROR 99 enum { I2C_RELEASE_BUS, I2C_DO_NOT_RELEASE_BUS }; void hwI2Cinit (UINT16 coreFreqMhz, UINT16 moduleDivisor, UINT16 clkFreqKhz, UINT16 ownAddr); I2C_RET hwI2cMasterWrite (UINT32 eeprom_i2c_id, UINT8 *eData, UINT32 nbytes, UINT32 endBusState, BOOL busIsMine); I2C_RET hwI2cMasterRead (UINT32 byte_addr, UINT32 byte_len, UINT8 *p_packed_bytes, UINT32 eeprom_i2c_id, UINT32 address_delay);