| 嵌入式Linux下的MMC/SD卡的原理及实现 |
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| 引用本文： | 纪竞舟,付宇卓. 嵌入式Linux下的MMC/SD卡的原理及实现[J]. 计算机仿真, 2005, 22(1): 160-163 |
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| 作者姓名： | 纪竞舟 付宇卓 |
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| 作者单位： | 上海交通大学芯片与系统研究中心,上海,200030;上海交通大学芯片与系统研究中心,上海,200030 |
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| 基金项目： | 总后科研项目资助 ( 4 1A1C5 1) |
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| 摘 要： | 随着计算机硬件的发展及数据量的增加 ,对存储设备的要求也越来越高。闪存卡以其特性成为移动设备上的首选存储媒介。而且由于MMC卡与SD卡的硬件接口是兼容的。因此 ,该文在Motorola的DragonballMX1平台的基础上 ,描述了MMC/SD卡的硬件接口 ,给出了硬件接口部分的原理图。并介绍了在此嵌入式系统中使用它的一些相关操作及其顺序。最后介绍了Linux下设备的分类 ,给出了编写块设备驱动的相关数据结构及函数 ,详细说明了在Linux环境下编写相应的驱动程序的方法及注意事项
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| 关 键 词： | 嵌入式 闪存卡 驱动程序 |
| 文章编号： | 1006-9348(2005)01-0160-04 |
| 修稿时间： | 2003-10-20 |
The Theory and Implementation of MMC/SD Card Based on Embedded Linux |
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| JI Jing-zhou,FU Yu-zhuo. The Theory and Implementation of MMC/SD Card Based on Embedded Linux[J]. Computer Simulation, 2005, 22(1): 160-163 |
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| Authors: | JI Jing-zhou FU Yu-zhuo |
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| Abstract: | With the development of hardware of computer and the increasing of data, the requirement of storage device is also developing. Because of its characteristic, flash card became the preferred storage device for mobile device. What's more, the hardware interface of MMC card is compatible with SD card. In this paper based on platform of Dragonball MX1, the hardware interface of MMC/SD card has been described. The process of correlative operations and sequence of these operations in this embedded system have been introduced. Then, Linux devices are introduced. Data structure and functions about linux block device driver are also given. And the implementation of linux block device driver for MMC/SD card has been described in detail. |
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| Keywords: | Embedded Flash card Linux driver |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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