i2c24LC128Eeprom.h
资源名称:mpc8548.rar [点击查看]
上传用户:dqzhongke1
上传日期:2022-06-26
资源大小:667k
文件大小:3k
源码类别:
VxWorks
开发平台:
C/C++
- /*
- * $Id: i2c24LC128Eeprom.h,v 1.3 Broadcom SDK $
- * $Copyright: Copyright 2008 Broadcom Corporation.
- * This program is the proprietary software of Broadcom Corporation
- * and/or its licensors, and may only be used, duplicated, modified
- * or distributed pursuant to the terms and conditions of a separate,
- * written license agreement executed between you and Broadcom
- * (an "Authorized License"). Except as set forth in an Authorized
- * License, Broadcom grants no license (express or implied), right
- * to use, or waiver of any kind with respect to the Software, and
- * Broadcom expressly reserves all rights in and to the Software
- * and all intellectual property rights therein. IF YOU HAVE
- * NO AUTHORIZED LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS SOFTWARE
- * IN ANY WAY, AND SHOULD IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE
- * ALL USE OF THE SOFTWARE.
- *
- * Except as expressly set forth in the Authorized License,
- *
- * 1. This program, including its structure, sequence and organization,
- * constitutes the valuable trade secrets of Broadcom, and you shall use
- * all reasonable efforts to protect the confidentiality thereof,
- * and to use this information only in connection with your use of
- * Broadcom integrated circuit products.
- *
- * 2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS
- * PROVIDED "AS IS" AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES,
- * REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY,
- * OR OTHERWISE, WITH RESPECT TO THE SOFTWARE. BROADCOM SPECIFICALLY
- * DISCLAIMS ANY AND ALL IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY,
- * NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES,
- * ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
- * CORRESPONDENCE TO DESCRIPTION. YOU ASSUME THE ENTIRE RISK ARISING
- * OUT OF USE OR PERFORMANCE OF THE SOFTWARE.
- *
- * 3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL
- * BROADCOM OR ITS LICENSORS BE LIABLE FOR (i) CONSEQUENTIAL,
- * INCIDENTAL, SPECIAL, INDIRECT, OR EXEMPLARY DAMAGES WHATSOEVER
- * ARISING OUT OF OR IN ANY WAY RELATING TO YOUR USE OF OR INABILITY
- * TO USE THE SOFTWARE EVEN IF BROADCOM HAS BEEN ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES; OR (ii) ANY AMOUNT IN EXCESS OF
- * THE AMOUNT ACTUALLY PAID FOR THE SOFTWARE ITSELF OR U.S. $1,
- * WHICHEVER IS GREATER. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING
- * ANY FAILURE OF ESSENTIAL PURPOSE OF ANY LIMITED REMEDY.$
- */
- #ifndef __INCh
- #define __INCeepromh
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* includes */
- #include <vxWorks.h>
- #include <memLib.h>
- /* EEPROM is connected to SMBus channel 2 */
- #define EEPROM_24LC128_SMBUS_CHAN 1
- #define EEPROM_24LC128_CCR_ADDRESS 0x50
- /* defines */
- #define NV_WR_CYCLE_TIME 1 /* EEPROM write cycle time (ms) */
- #define RETRY_NVWRITE_COUNT 5 /* max wait iterations before write abort */
- #undef NV_RAM_WR_ENBL /* write enable procedure */
- #define NV_RAM_WR_ENBL eepromUnlock()
- #undef NV_RAM_WR_DSBL /* write disable procedure */
- #define NV_RAM_WR_DSBL eepromLock()
- #undef NV_RAM_WRITE /* write procedure */
- #define NV_RAM_WRITE eepromWriteByte
- #undef NV_RAM_READ /* read procedure */
- #define NV_RAM_READ eepromReadByte
- /* function prototypes */
- UINT8 eepromReadByte (int offset);
- STATUS eepromWriteByte (int offset, UINT8 data);
- void eepromLock (void);
- void eepromUnlock (void);
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCeepromh */