| 基于双核DSP的视频解码芯片驱动研究与实现 |
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| 引用本文： | 吴银琴,李龙腾,罗威. 基于双核DSP的视频解码芯片驱动研究与实现[J]. 计算机工程与科学, 2009, 31(4) |
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| 作者姓名： | 吴银琴 李龙腾 罗威 |
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| 作者单位： | 中南民族大学电子信息工程学院,湖北,武汉,430074;武汉军械士官学校光电系指挥控制教研室,湖北,武汉,430075;中国舰船研究设计中心,湖北,武汉,430064 |
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| 摘 要： | ADV7180是嵌入式视频监控终端的采集模块常用的视频解码芯片,本文首先分析ADV7180的硬件连接接口,然后具体阐述如何在嵌入式Linux操作系统中实现ADV7180的驱动程序,包括系统的初始化、中断的设计与处理、DMA的处理等。
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| 关 键 词： | 设备驱动 I2C总线 嵌入式Linux 视频解码器 ADV7180 |
Research and Implementation of the Video Decoder Based on Dual-Core DSPs |
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| WU Yin-qin,LI Long-teng,LUO Wei. Research and Implementation of the Video Decoder Based on Dual-Core DSPs[J]. Computer Engineering & Science, 2009, 31(4) |
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| Authors: | WU Yin-qin LI Long-teng LUO Wei |
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| Affiliation: | 1.School of Electronics and Information Engineering;South-Central University for Nationalities;Wuhan 430074;2.Wuhan Ordnance N.C.O.Academey of PLA;Wuhan 430075;3.China Ship Development and Design Center;Wuhan 430064;China |
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| Abstract: | ADV7180 is a widely used video decoder in the embedded video supervisory terminal.In this paper,we first analyze the hardware connection interfaces of ADV7180.Then we detailedly introduce how to implement the ADV7180 device driver based on the embedded Linux,including system initialization,interrupt and DMA implementation,etc. |
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| Keywords: | ADV7180 |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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