Interface Design Of Digital Channelized Receiver, And Pci Driver Development

Electronic warfare receivers, as an important role in electronic warfare, are used to spy and receive radar and communication signals. In this dissertation, interface design, PCI driver and AD6654 configration on a digital channelized receiver based on AD6654+FPGA+DSP+PCI9054 structure are discussed. System interfaces include PCI interface with PCI9054, link-port, SPI port and parallel port. CPCI computer operation system uses device driver to control the receiver board, so PCI device driver basing on Windows should be developed. Wideband IF to Baseband Receiver-AD6654 is responsible for A/D sampling and DDC, registers of which need to be configured.Firstly, Soft-Defined Radio receiver theory is introduced, as well as the system structure, working flow, main fuctions of each part and flux analyse.Secondly, the interface designs are discussed. For PCI interface, PCI9054 is configured. As a bridge between receiver board local bus and CPCI bus, it is responsible for translating complicated PCI protocol signals on CPCI bus to simple signals on local bus. Then PCI local interface is designed, so that receiver board could communicate with CPCI computer. For link-port, according to TS201 link-port protocol, DDR IP core provided by Quartus II is used to design the transmitting and receiving modules to transmit 32 bit data through 4 couple differential wires. For SPI port and parallel port, the two port modules are designed according to each protocol. SPI port is used in initiating AD6654's register configuration, while parallel port realizes transmitting DDC data from AD6654 to FPGA for storage and postprocessing.This receiver board is a device of CPCI computer. Based on WDM driver model, the receiver board Windows XP PCI device driver is developed using DriverWorks software. It is realized that CPCI computer could do reading or writing operation with the receiver board on Target and DMA modes.Finally, the register configuration and DDC related filter design of AD6654 are introduced. A/D sampling and DDC are realized.