§3.4.2 FPGA 的下载与配置 .............................................................................17
§3.5 PXI 接口电路设计 .......................................................................................... 18
§3.5.1 PCI 接口芯片任务 .................................................................................18
§3.5.2 PCI9054 引脚介绍及其相关特性 .........................................................19
§3.5.3 PCI9054 与FPGA 之间的连接 ............................................................ 20
§3.5.4 PCI9054 引脚分配及功能介绍 .............................................................21
§3.5.5 PXI 触发方案设计 ................................................................................ 21
§3.6 硬件系统电源电路设计 ..................................................................................21
§3.7 PXI 采集卡 PCB 设计 .....................................................................................22
§3.8 本章小结 ..........................................................................................................23
第四章 本地控制逻辑设计 ...........................................................................................24
§4.1 本地控制器 FPGA 功能需求分析 ..................................................................24
§4.1.1 A/D 芯片控制器模块 ............................................................................ 25
§4.1.2 SDRAM 控制器模块 .............................................................................26
§4.1.3 PCI 本地总线控制器模块 .....................................................................27
§4.2 连续高速数据采集解决方案 .........................................................................28
§4.2.1 状态命令控制寄存器 ............................................................................28
§4.2.2 PCI 中断和 DMA 数据传输 ................................................................. 29
§4.2.3 PXI 高速数据连续采集原理 ................................................................ 29
§4.3 本地控制器关键问题分析 .............................................................................31
§4.3.1 PCI9054 本地总线时序控制 .................................................................31
§4.3.2 PXI 触发功能设计 ................................................................................ 33
§4.4 本章小结 ..........................................................................................................34
第五章 采集卡驱动程序设计 .......................................................................................35
§5.1 WDM 驱动程序开发模式简介 .......................................................................35
§5.2 驱动程序开发工具与方案选择 .....................................................................36
§5.3 PXI 驱动程序开发流程 .................................................................................. 37
§5.3.1 PXI 设备驱动初始化 ............................................................................ 37
§5.3.2 PCI9054 配置空间的访问 .....................................................................38
§5.3.3 中断的实现 ...........................................................................................38
§5.3.4 DMA 数据传输的实现 ......................................................................... 39
§5.4 本章小结 ..........................................................................................................40
第六章 系统调试及验证 ...............................................................................................41