fpga-虚拟控制台:Cyclone IV EP4CE55F23I7上与VT220兼容的控制台

上传者: 42105169 | 上传时间: 2025-11-30 21:18:40 | 文件大小: 3.62MB | 文件类型: ZIP
在本文中,我们将深入探讨如何在Altera的Cyclone IV FPGA系列,特别是EP4CE55F23I7型号上实现一个与VT220兼容的虚拟控制台。虚拟控制台是一种软件实现的终端模拟器,允许用户通过网络或串行接口与嵌入式系统进行交互,而无需物理键盘和显示器。VT220是DEC(Digital Equipment Corporation)在1980年代推出的广泛使用的终端标准,它扩展了早期的VT100功能,并且被许多现代终端模拟器所支持。 我们要理解FPGA(Field-Programmable Gate Array)的角色。FPGA是一种可编程逻辑器件,可以配置为实现用户自定义的数字电路设计。在本项目中,FPGA将被用来处理VT220控制台协议,包括解析输入的字符编码、处理控制序列以及生成显示在终端上的字符。 系统Verilog是一种硬件描述语言,常用于FPGA和ASIC设计。在构建虚拟控制台时,我们可以使用SystemVerilog来定义硬件模块,这些模块将处理键盘输入、串行通信和视频输出。例如,我们需要实现以下关键模块: 1. **键盘接口**:这个模块会接收来自外部键盘的扫描码,然后将其转换为ASCII码或者其他VT220兼容的控制序列。 2. **串行通信模块**:通常使用UART(通用异步收发传输器)协议,该模块负责与主机进行数据交换,可以是通过USB、以太网或串行线。 3. **VT220解码器**:这个模块将接收到的串行数据解码为VT220控制序列,并根据这些序列更新屏幕内容。 4. **视频控制器**:负责将字符和颜色信息转化为FPGA能驱动的LCD或VGA显示器的像素信号。 标签中的"vt100", "vt102", 和 "vt200"都是VT系列终端的型号,它们定义了一系列的控制序列,如移动光标、改变文字样式和清除屏幕等。"xterm-256color"指的是X Window System下的终端模拟器xterm的一个扩展,支持256色模式。在实现VT220兼容的控制台时,我们需要确保对这些控制序列有正确的解析和响应。 为了实现这个项目,开发者可能需要参考开源的终端模拟器代码,如开源项目"terminfo"或"libvterm",它们提供了VT220控制序列的解析库。同时,需要熟悉FPGA开发工具链,如Quartus II或Vivado,以及相关的IP核(如UART和LCD控制器)。 在压缩包文件"**fpga-virtual-console-master**"中,可能包含了以下内容: 1. **硬件描述文件**(.v或.vhd):SystemVerilog或VHDL代码,定义了上述提到的各个模块。 2. **测试平台**:用于验证设计的激励和仿真脚本。 3. ** Quartus 或 Vivado 项目文件**:包含了整个设计的配置和编译设置。 4. **文档**:设计说明、使用指南或原理图。 5. **配置和固件**:可能包含初始化FPGA所需的配置比特流文件。 完成设计后,用户可以通过连接到FPGA的串行端口,在计算机上运行一个VT220兼容的终端模拟器(如xterm或Gnome Terminal),通过网络或串行线与FPGA上的虚拟控制台进行交互。这为嵌入式系统提供了一种灵活、低功耗的交互方式,尤其适用于没有本地显示器的场合。

文件下载

资源详情

[{"title":"( 94 个子文件 3.62MB ) fpga-虚拟控制台:Cyclone IV EP4CE55F23I7上与VT220兼容的控制台","children":[{"title":"fpga-virtual-console-master","children":[{"title":"src","children":[{"title":"display","children":[{"title":"VgaDisplayAdapter.sv <span style='color:#111;'> 3.49KB </span>","children":null,"spread":false},{"title":"TextRenderer.sv <span style='color:#111;'> 5.15KB </span>","children":null,"spread":false},{"title":"DisplayController.sv <span style='color:#111;'> 2.09KB </span>","children":null,"spread":false},{"title":"VideoController.sv <span style='color:#111;'> 2.37KB </span>","children":null,"spread":false},{"title":"FontShapeRenderer.sv <span style='color:#111;'> 4.75KB </span>","children":null,"spread":false}],"spread":true},{"title":"FpgaVirtualConsole.sv <span style='color:#111;'> 2.04KB </span>","children":null,"spread":false},{"title":"FpgaVirtualConsole.out.sdc <span style='color:#111;'> 4.46KB </span>","children":null,"spread":false},{"title":"DataType.svh <span style='color:#111;'> 5.61KB </span>","children":null,"spread":false},{"title":"utility","children":[{"title":"TopPll.v <span style='color:#111;'> 16.31KB </span>","children":null,"spread":false},{"title":"BlinkGenerator.sv <span style='color:#111;'> 725B </span>","children":null,"spread":false},{"title":"LedDecoder.sv <span style='color:#111;'> 813B </span>","children":null,"spread":false},{"title":"TopPll.qip <span style='color:#111;'> 347B </span>","children":null,"spread":false},{"title":"DivideMod.sv <span style='color:#111;'> 17.38KB </span>","children":null,"spread":false},{"title":"AsyncUartTransceiver.v <span style='color:#111;'> 7.49KB </span>","children":null,"spread":false}],"spread":true},{"title":"debug","children":[{"title":"Probe","children":[{"title":"synthesis","children":[{"title":"Probe.debuginfo <span style='color:#111;'> 10.42KB </span>","children":null,"spread":false},{"title":"submodules","children":[{"title":"altsource_probe_top.v <span style='color:#111;'> 2.94KB </span>","children":null,"spread":false}],"spread":true},{"title":"Probe.v <span style='color:#111;'> 644B </span>","children":null,"spread":false},{"title":"Probe.qip <span style='color:#111;'> 5.25KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"stp.stp <span style='color:#111;'> 430.27KB </span>","children":null,"spread":false},{"title":"spf.spf <span style='color:#111;'> 20.58KB </span>","children":null,"spread":false}],"spread":true},{"title":"parser","children":[{"title":"GraphicsControl.sv <span style='color:#111;'> 4.63KB </span>","children":null,"spread":false},{"title":"CommandsParser.sv <span style='color:#111;'> 9.25KB </span>","children":null,"spread":false},{"title":"ModeControl.sv <span style='color:#111;'> 1.89KB </span>","children":null,"spread":false},{"title":"AttribControl.sv <span style='color:#111;'> 866B </span>","children":null,"spread":false},{"title":"TextControl.sv <span style='color:#111;'> 11.18KB </span>","children":null,"spread":false},{"title":"TabControl.sv <span style='color:#111;'> 1.87KB </span>","children":null,"spread":false},{"title":"Color256Decoder.sv <span style='color:#111;'> 11.69KB </span>","children":null,"spread":false},{"title":"VT100Parser.sv <span style='color:#111;'> 1.76KB </span>","children":null,"spread":false},{"title":"CursorControl.sv <span style='color:#111;'> 6.01KB </span>","children":null,"spread":false}],"spread":true},{"title":"keyboard","children":[{"title":"FifoConsumer.sv <span style='color:#111;'> 2.57KB </span>","children":null,"spread":false},{"title":"UartTxFifo.qip <span style='color:#111;'> 264B </span>","children":null,"spread":false},{"title":"KeyboardController.sv <span style='color:#111;'> 1.65KB </span>","children":null,"spread":false},{"title":"ScancodeDecoder.sv <span style='color:#111;'> 17.31KB </span>","children":null,"spread":false},{"title":"UartTxFifo.v <span style='color:#111;'> 6.44KB </span>","children":null,"spread":false},{"title":"Ps2Translator.sv <span style='color:#111;'> 6.26KB </span>","children":null,"spread":false},{"title":"Ps2Receiver.v <span style='color:#111;'> 2.94KB </span>","children":null,"spread":false}],"spread":true},{"title":".gitignore <span style='color:#111;'> 88B </span>","children":null,"spread":false},{"title":"storage","children":[{"title":"TextRamLogoBig.mif <span style='color:#111;'> 39.44KB </span>","children":null,"spread":false},{"title":"TextRam.qip <span style='color:#111;'> 268B </span>","children":null,"spread":false},{"title":"FontShape.mif <span style='color:#111;'> 7.62KB </span>","children":null,"spread":false},{"title":"TextRamTsinghua.mif <span style='color:#111;'> 25.34KB </span>","children":null,"spread":false},{"title":"TextRamDemo.mif <span style='color:#111;'> 12.85KB </span>","children":null,"spread":false},{"title":"TextRam.v <span style='color:#111;'> 11.22KB </span>","children":null,"spread":false},{"title":"TextRamLogo.mif <span style='color:#111;'> 25.34KB </span>","children":null,"spread":false},{"title":"SramController.sv <span style='color:#111;'> 1.67KB </span>","children":null,"spread":false},{"title":"FontRom.v <span style='color:#111;'> 6.43KB </span>","children":null,"spread":false},{"title":"TextRamPoem.mif <span style='color:#111;'> 25.34KB </span>","children":null,"spread":false},{"title":"FontRom.qip <span style='color:#111;'> 268B </span>","children":null,"spread":false}],"spread":false},{"title":"FpgaVirtualConsole.qpf <span style='color:#111;'> 1.26KB </span>","children":null,"spread":false},{"title":"FpgaVirtualConsole.qsf <span style='color:#111;'> 12.32KB </span>","children":null,"spread":false}],"spread":false},{"title":"demo","children":[{"title":"video.sh <span style='color:#111;'> 140B </span>","children":null,"spread":false},{"title":"color.py <span style='color:#111;'> 283B </span>","children":null,"spread":false},{"title":"bad_apple.sh <span style='color:#111;'> 228B </span>","children":null,"spread":false},{"title":"set_xterm.sh <span style='color:#111;'> 69B </span>","children":null,"spread":false},{"title":"emacs <span style='color:#111;'> 45B </span>","children":null,"spread":false},{"title":"asciicam.sh <span style='color:#111;'> 211B </span>","children":null,"spread":false},{"title":"demo-commands.md <span style='color:#111;'> 478B </span>","children":null,"spread":false},{"title":"set_vt220.sh <span style='color:#111;'> 60B </span>","children":null,"spread":false}],"spread":true},{"title":"doc","children":[{"title":"report","children":[{"title":"misc.tex <span style='color:#111;'> 481B </span>","children":null,"spread":false},{"title":"figures","children":[{"title":"command_parser.pdf <span style='color:#111;'> 28.19KB </span>","children":null,"spread":false},{"title":"graphics_control.pdf <span style='color:#111;'> 10.08KB </span>","children":null,"spread":false},{"title":"architecture_design_visio.pdf <span style='color:#111;'> 464.25KB </span>","children":null,"spread":false},{"title":"text_control.pdf <span style='color:#111;'> 14.19KB </span>","children":null,"spread":false},{"title":"architecture_final_dot.pdf <span style='color:#111;'> 41.29KB </span>","children":null,"spread":false},{"title":"ps2_translator.pdf <span style='color:#111;'> 25.15KB </span>","children":null,"spread":false}],"spread":true},{"title":"architecture.tex <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"introduction.tex <span style='color:#111;'> 5.32KB </span>","children":null,"spread":false},{"title":"display_controller.tex <span style='color:#111;'> 6.51KB </span>","children":null,"spread":false},{"title":"implementation.tex <span style='color:#111;'> 2.22KB </span>","children":null,"spread":false},{"title":".gitignore <span style='color:#111;'> 3.80KB </span>","children":null,"spread":false},{"title":"keyboard_controller.tex <span style='color:#111;'> 6.44KB </span>","children":null,"spread":false},{"title":"vt100_parser.tex <span style='color:#111;'> 13.63KB </span>","children":null,"spread":false},{"title":"report.tex <span style='color:#111;'> 1.40KB </span>","children":null,"spread":false}],"spread":true},{"title":"reference","children":[{"title":"websites.md <span style='color:#111;'> 2.69KB </span>","children":null,"spread":false},{"title":"VT100_programmer_infos.pdf <span style='color:#111;'> 187.24KB </span>","children":null,"spread":false},{"title":"scancode.doc <span style='color:#111;'> 2.42MB </span>","children":null,"spread":false},{"title":"VT220_infos.pdf <span style='color:#111;'> 155.52KB </span>","children":null,"spread":false},{"title":"Xterm.pdf <span style='color:#111;'> 301.02KB </span>","children":null,"spread":false},{"title":"VT102_infos.pdf <span style='color:#111;'> 148.03KB </span>","children":null,"spread":false}],"spread":true},{"title":"plots","children":[{"title":"Ps2Translator.dot <span style='color:#111;'> 1.36KB </span>","children":null,"spread":false},{"title":"TextControl.dot <span style='color:#111;'> 1.48KB </span>","children":null,"spread":false},{"title":"CommandParser.dot <span style='color:#111;'> 5.72KB </span>","children":null,"spread":false},{"title":"Architecture.dot <span style='color:#111;'> 3.71KB </span>","children":null,"spread":false},{"title":"GraphicsControl.dot <span style='color:#111;'> 470B </span>","children":null,"spread":false}],"spread":true},{"title":"presentation.pdf <span style='color:#111;'> 1.34MB </span>","children":null,"spread":false},{"title":"report.pdf <span style='color:#111;'> 961.57KB </span>","children":null,"spread":false}],"spread":true},{"title":"LICENSE <span style='color:#111;'> 34.98KB </span>","children":null,"spread":false},{"title":"testbench","children":[{"title":"Ps2Translator_tb.sv <span style='color:#111;'> 2.32KB </span>","children":null,"spread":false},{"title":"VgaDisplayAdapter_tb.sv <span style='color:#111;'> 465B </span>","children":null,"spread":false},{"title":"TextRam.v <span style='color:#111;'> 2.76KB </span>","children":null,"spread":false},{"title":"TextRamDemo.hex <span style='color:#111;'> 13.02KB </span>","children":null,"spread":false},{"title":"FontShapeRenderer_tb.sv <span style='color:#111;'> 289B </span>","children":null,"spread":false},{"title":"TextRenderer_tb.sv <span style='color:#111;'> 655B </span>","children":null,"spread":false}],"spread":true},{"title":"README.md <span style='color:#111;'> 2.91KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]

评论信息

免责申明

【只为小站】的资源来自网友分享,仅供学习研究,请务必在下载后24小时内给予删除,不得用于其他任何用途,否则后果自负。基于互联网的特殊性,【只为小站】 无法对用户传输的作品、信息、内容的权属或合法性、合规性、真实性、科学性、完整权、有效性等进行实质审查;无论 【只为小站】 经营者是否已进行审查,用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。
本站所有资源不代表本站的观点或立场,基于网友分享,根据中国法律《信息网络传播权保护条例》第二十二条之规定,若资源存在侵权或相关问题请联系本站客服人员,zhiweidada#qq.com,请把#换成@,本站将给予最大的支持与配合,做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明