FPGAMPSoC-XCZU2EG驱动双目OV5640摄像头采集视频，LCD显示（VITIS实现）

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c：497个

v：368个

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50 浏览量 2023-04-26 19:07:50 上传评论收藏 286.94MB ZIP 举报

在本文中，我们将深入探讨如何使用FPGA MPSoC-XCZU2EG来驱动双目OV5640摄像头进行视频采集，并将所采集的视频数据在LCD屏幕上进行显示，这一过程是通过Xilinx的VITIS工具实现的。FPGA（Field-Programmable Gate Array）是一种可编程逻辑器件，具有高度灵活性和高性能特性，非常适合于实时信号处理和复杂计算任务。 XCZU2EG是Xilinx Zynq UltraScale+ MPSoC系列的一款型号，它集成了处理器系统（PS）和可编程逻辑（PL）两部分。处理器系统包括了ARM Cortex-A53多核CPU，可以运行Linux操作系统，执行高级软件任务。而可编程逻辑则允许用户自定义硬件加速器，实现高速并行处理。 OV5640是一款常用的高清摄像头传感器，支持多种分辨率和帧率的视频输出，例如1080p30、720p60等。在FPGA中驱动OV5640，需要配置摄像头接口，处理其输出的MIPI CSI-2（Mobile Industry Processor Interface - Camera Serial Interface 2）数据流。MIPI CSI-2是一种低功耗、高速度的串行接口标准，适用于移动设备的图像传感器。 VITIS是Xilinx提供的一个综合开发环境，用于构建面向嵌入式和边缘计算应用的软件和硬件。它包含了编译器、库、运行时系统以及工具链，支持C、C++、OpenCL等编程语言，使得开发者能更高效地利用FPGA的并行处理能力。在VITIS中，我们可以编写C或C++代码来控制OV5640摄像头，处理图像数据，并将其发送到LCD屏幕。驱动OV5640摄像头的关键步骤包括初始化传感器、配置其工作模式、设置分辨率和帧率，以及接收MIPI CSI-2数据。这些任务可以通过硬件描述语言（如VHDL或Verilog）在PL部分实现，或者使用Vitis的高层次综合（HLS）工具，将C/C++代码转换为硬件逻辑。接下来，我们需要设计一个接口，将来自OV5640的数据传输到LCD显示模块。这可能涉及到色彩空间转换（如RGB到YCbCr）、图像缩放和格式调整等操作。LCD显示通常使用并行接口，如8位或16位并行接口，因此需要适配器电路将串行MIPI CSI-2数据转换为并行格式。在VITIS中，可以使用OpenCV库或其他图像处理库进行图像处理，如去噪、增强对比度等，然后通过硬件加速器或CPU执行这些算法。CPU可以负责较高层次的控制任务，如用户界面、参数配置和系统管理，而PL则专注于高吞吐量的实时图像处理。项目代码的编译与运行是通过VITIS工具链完成的。该工具链包括了编译器、链接器和硬件部署工具，确保软件和硬件设计的正确集成。开发者需要对Xilinx SDK有一定的了解，以便配置硬件平台，调试软件代码，以及生成可烧录的bitstream文件。总结来说，这个项目展示了如何利用FPGA MPSoC-XCZU2EG的强大学术和工业潜力，结合VITIS工具，实现高清摄像头的视频采集和实时显示。这种技术在自动化、机器人、自动驾驶、工业检测等领域有着广泛的应用。通过学习和实践这样的项目，开发者可以掌握FPGA设计、嵌入式系统集成以及VITIS工具的使用，提升自己在硬件加速和嵌入式系统开发领域的专业技能。

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FPGA MPSoC-XCZU2EG驱动双目OV5640摄像头采集视频，LCD显示（VITIS实现）（3602个子文件）

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ffunicode.c 1.87MB

psu_init.c 633KB

psu_init_gpl.c 632KB

gImage_ov5640_2.c 443KB

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