| This paper introduces how to develop the software of digital signal process system, which bases on PCI bus. PCI bus as a high performance and low price bus is used to design the digital signal process system in this project. Firstly, the paper explains the specialty of PCI bus and PLX 9030 interface chip, then describes how to use it in this project. It includes the hardware connection and the software configuration, which is introduced especially. Secondly, the paper discusses the way and tools to develop the windows driver, then implements a driver program arms to the PCI interface. In the program, some subprograms are implemented. Some special technologies used in the driver are introduced in this section. Lastly, it introduces the LabWindows includes modules of signal process, wave display and network functions, then use this driver and LabWindows to develop a digital signal process platform with the network function. Then two virtual instruments are implemented' on this platform. |
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