基于STM32的多种格式视频信号源控制系统  

Multi-Format Video Signal Source Control System Based on STM32

作　　者：孙海洲 祝月文 王哲[1] 王素珍[1] SUN Haizhou;ZHU Yuewen;WANG Zhe;WANG Suzhen(College of Electronics and Information,Qingdao University,Qingdao 266071,China)

机构地区：[1]青岛大学电子信息学院,青岛266071

出　　处：《青岛大学学报（工程技术版）》2023年第1期61-69,共9页Journal of Qingdao University(Engineering & Technology Edition)

基　　金：山东省自然科学基金资助项目(ZR2020MF003);山东校企联合基金资助项目(RH1900012993)。

摘　　要：结合工厂实际生产测试需求,本文基于STM32芯片,实现了多种格式视频信号源的输出控制系统。该系统使用KeilμVision5编程开发平台,在STM32F103ZET6芯片上通过设计LCD多级菜单显示和控制指令接口等功能模块,实现了多种格式视频信号源的输出控制,并联合按键和多级控制菜单显示功能,实时控制下游视频信号源的输出,实现了可视化操作,方便自动控制测试。同时,使用I2C通信和多管脚并行发码,保证了控制指令准确性和可靠性。测试结果表明,该系统操作简单有效,控制发码准确,系统稳定可靠,验证了整体算法的正确性和有效性。该研究在控制多种格式视频信号源方面具有一定的应用价值。This paper implements the output control system of video signal source in various formats based on STM32 chip combined with the actual production and testing requirements of the factory.The system uses KeilμVision5 programming development platform,achieves output control of a variety of formats of video signal sources through the design of LCD multi-level menu display and control command interface and other function modules based on the STM32F103ZET6 chip.The control system combines key press and multi-level control menu display functions to control the output of downstream video signal source in real time,which enables visual operation and facilitates automatic control testing.Using I2C communication and multi-pin parallel encoding ensures the accuracy and reliability of control instructions.The actual test results show that the control system is simple and effective,the control code is accurate,and the system is stable and reliable.The correctness and validity of the overall algorithm of the control system are verified.This research has certain application value in the inspection of video signal sources of various formats.

关 键 词：控制系统 STM32 视频信号源 多级菜单 

分 类 号：TN919.8[电子电信—通信与信息系统]