Texas Instruments DLP - User Interface: Keystone Correction

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9
DLPU074A–August 2018–Revised October 2019
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Display and Light Control EVM GUI Tool
The Keystone Correction section lets user enables keystone on the EVM. Keystone is used when the
EVM is not located on a flat surface and has a vertical tilt of ±40 degrees. Keystone correction ensures
that the image displayed is rectangular.
Please note, not all functions shown on this page are supported on all EVMs.
The following commands are used in the Display Settings section:
• Write image crop (0x10)
• Write display size (0x12)
• Write display image orientation (0x14)
• Read operating mode select (0x06)
• Read splash screen select (0x0E, if display splash image)
• Read splash screen header (0x0F, if display splash Image)
• Write input image size (0x2E, if Display Splash Image)
• Write splash screen select (0x0D, if display splash image)
• Write operating mode (0x05; if display splash image)
• Write splash screen execute (0x35; if display splash image)
• Read display size (0x13)
• Read image crop (0x11)
• Read display image orientation (0x15)
The following commands are used in the Keystone Correction section:
• Write image freeze/unfreeze (0x1A)
• Write Keystone correction control (0x88)
• Write Keystone projection pitch angle (0xBB)
• Read operating mode select (0x06)
• Read splash screen select (0x0E; if display splash image)
• Read splash screen header (0x0F; if display splash image)
• Write operating mode (0x05; if display splash image)
• Write splash screen execute (0x35; if display splash image)
• Read Keystone correction control (0x89)
• Read Keystone projection pitch angle (0xBC)