楼主参考一下
Extended Display Identification Data (EDID) is a metadata format for display devices to describe their capabilities to a video source (e.g. graphics card or set-top box). The data format is defined by a standard published by the Video Electronics Standards Association (VESA).
https://en.wikipedia.org/wiki/Extended_Display_Identification_Data延伸顯示能力識別(Extended display identification data,簡稱EDID)是指螢幕解析度的資料,包括廠商名稱與序號。一般EDID存在於顯示器的PROM或EEPROM內。一般如要讀取EDID都是透過I2C,slave address是0x50。目前HDMI 1.0 - 1.3c使用EDID結構1.3版。
https://zh.wikipedia.org/zh-hans/EDID
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Rockyw | If it solves your problem, please mark as answer. Thanks !