多通道图像处理采集卡的设计

Design of Multi-Channel Image Processing Acquisition Card

摘要:

针对图像数据采集系统中的实时图像处理、多通道接入及高速数据传输需求,提出了利用TI图像处理器TMS320DM642型DSP芯片完成图像数据的处理、DMA和PCI总线图像数据传输的实现方法,介绍了TMS320DM642型DSP的PCI接口特性,以及DSP在PCI主模式下控制并启动DMA数据传输,并给出了DMA数据传输系统的实现原理、工作流程、WINDOWS系统下的PCI设备驱动和应用程序的实现方法.

Abstract:

Aiming at the requirements of real-time image processing,multi-channel input and high-speed data transmission in image data acquisition system,presented was an implementation method that utilizes TI TMS320DM642 DSP-chip to finish image processing,DMA and PCI bus transmission of image data.The interface characteristics of DSP TMS320DM642 PCI were introduced.And the realization principles,workflow,and the driver andapplication program of PCI for WINDOWS system was given.