基于ARM和FPGA的线阵CCD测径系统的设计

摘要

设计了一种基于ARM微处理器LPC2214与线阵CCD的在线动态测径仪,该测径仪采用FPGA实现对线阵CCD时序脉冲的驱动;以ARM微处理器为测径仪的核心,实现图像信息的处理和对整个系统的控制,保证动态、实时、准确的测量线缆直径.介绍了该仪器的基本原理,详细给出了系统硬件方案和软件流程.%The on-line dynamic state measurement diameter equipment is design based on ARM LPC2214 and linear CCD.This equipment adopts FPGA to realize the driving pulse circuit of linear CCD. And the ARM microcontroller is the heart of measurement diameter equipment implementing processing the image information and controlling the all system, which ensure dynamic,real time, precise measurement. Essential principles of the device are introduced, the hardware design and software flow chart are described in detail.