Currently,the mainstream vector network analyzer employs embedded computer module with a digital intermediate frequency(IF)board to form a high performance windows platform.Under this structure,the vector network anal...Currently,the mainstream vector network analyzer employs embedded computer module with a digital intermediate frequency(IF)board to form a high performance windows platform.Under this structure,the vector network analyzer needs a powerful encoding system to arbitrate the bus acquirement,which is usually realized by field-programmable gate array(FPGA)chip.The paper explores the shared bus design method of the digital signal processing(DSP)board in network analyzer.Firsty,it puts an emphasis on the system structure,and then the shared bus communication method is described in detail;Finally,the advantages of the shared bus communication mechanism are summanzed.展开更多
介绍了PXA255、TMS320DM642和SM501嵌入式多处理器的主要特点以及主机接口(Host Port Interface,HPI)的原理。提出了一种基于互补型多处理器系统中操作系统间的通信接口设计方法。以一个集成3个嵌入式微处理器于单板的嵌入式多媒体系统...介绍了PXA255、TMS320DM642和SM501嵌入式多处理器的主要特点以及主机接口(Host Port Interface,HPI)的原理。提出了一种基于互补型多处理器系统中操作系统间的通信接口设计方法。以一个集成3个嵌入式微处理器于单板的嵌入式多媒体系统为硬件平台,叙述了运行在数字信号处理器(DSP)上的实时操作系统μC/OS-II如何通过DSP的HPI与运行在ARM处理器上的Linux操作系统进行任务通信和数据传输的实现过程。展开更多
文摘Currently,the mainstream vector network analyzer employs embedded computer module with a digital intermediate frequency(IF)board to form a high performance windows platform.Under this structure,the vector network analyzer needs a powerful encoding system to arbitrate the bus acquirement,which is usually realized by field-programmable gate array(FPGA)chip.The paper explores the shared bus design method of the digital signal processing(DSP)board in network analyzer.Firsty,it puts an emphasis on the system structure,and then the shared bus communication method is described in detail;Finally,the advantages of the shared bus communication mechanism are summanzed.
文摘介绍了PXA255、TMS320DM642和SM501嵌入式多处理器的主要特点以及主机接口(Host Port Interface,HPI)的原理。提出了一种基于互补型多处理器系统中操作系统间的通信接口设计方法。以一个集成3个嵌入式微处理器于单板的嵌入式多媒体系统为硬件平台,叙述了运行在数字信号处理器(DSP)上的实时操作系统μC/OS-II如何通过DSP的HPI与运行在ARM处理器上的Linux操作系统进行任务通信和数据传输的实现过程。
