提出了一種紅外敏感器半實(shí)物仿真系統(tǒng)中多路實(shí)時(shí)數(shù)據(jù)傳輸與采集系統(tǒng)的設(shè)計(jì)方法，采用FPGA 內(nèi)的SRAM 塊實(shí)現(xiàn)所要傳輸與采集數(shù)據(jù)的緩沖存儲(chǔ)，并通過(guò)高速USB2.0 接口芯片實(shí)現(xiàn)與主機(jī)的接口，最后，由主機(jī)工作站完成對(duì)數(shù)據(jù)的后期處理。該硬件系統(tǒng)作為整個(gè)仿真系統(tǒng)的一部分，具有數(shù)據(jù)傳輸高速、準(zhǔn)確、實(shí)時(shí)等特點(diǎn)，滿足實(shí)時(shí)仿真系統(tǒng)的要求。
關(guān)鍵詞: 數(shù)據(jù)的傳輸與采集;USB2.0;FPGA
Abstract: A real-time, multi-channel data transmission and acquisition system of Hardware-in-the-loop Simulation system of infrared sensor is presented. The transmitted and collected data is buffered and memorized in SRAM block in FPGA, and USB2.0 interface chip, whose transport speed is high , was used as the interface between system and the PC, at last, data would be treated in PC. The system of hardware has the characteristics of high speed, high precision and real-time, and meet necessaries of simulation system.
Key words: Transmission and Acquisition of Data; USB2.0; FPGA