| 软件接收机的GPS信号实时采集方案设计 |
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| 引用本文： | 王轲,陈伟,沈兵.软件接收机的GPS信号实时采集方案设计[J].单片机与嵌入式系统应用,2010(2):40-43. |
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| 作者姓名： | 王轲 陈伟 沈兵 |
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| 作者单位： | 1. 武汉理工大学,信息工程学院,武汉,430070
2. 中国交通通信中心 |
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| 摘 要： | 针对软件GPS接收机的实时数据采集需求，提出一种基于TMS320C6416McBSP、EDMA、中断和外部扩展SDRAM的GPS实时数据采集方案；重点阐述射频前端NJ1006AK、TMS320C6416构成的硬件接收电路，以及McBSP、SDRAM、EDMA乒乓缓存的采集配置过程。该方案不仅满足了GPS软件接收机信号采集严苛的实时性要求，而且增强了处理器实时处理能力。
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| 关 键 词： | GPS 实时数据采集 多通道缓冲串口 EDMA TMS320C6416 NJ1006AK |
Real Time Acquisition of GPS Signal in Software Defined Receiver |
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| Wang Ke,Chen Wei,Shen Bing.Real Time Acquisition of GPS Signal in Software Defined Receiver[J].Microcontrollers & Embedded Systems,2010(2):40-43. |
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| Authors: | Wang Ke Chen Wei Shen Bing |
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| Affiliation: | 1.School of Information Engineering;Wuhan University of Technology;Wuhan 430070;China;2.China Transportation Telecommunication Center |
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| Abstract: | A solution is proposed for real-time data acquisition of GPS signal based on TMS320C6416 McBSP,EDMA,interrupt and SDRAM.The hardware receiver circuit based on NJ1006AK and TMS320C6416,and the configurations of McBSP,SDRAM and EDMA ping-pang buffer operation are described.Strict real-time requirement of the software defined GPS receiver is satisfied,and the real-time processing capacity of the processer is enhanced. |
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| Keywords: | GPS real time data acquisition multichannel buffered serial port EDMA TMS320C6416 NJ1006AK |
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