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FAQ

This chapter collects common questions and answers during the use of ETStudio, helping users quickly locate solutions to common problems.

Q1: After rolling back to an older version, the new project cannot be opened​

A1: Delete the C:\Users\Administrator\AppData\Local\ETStudio folder, and the software will then be able to open.

Q2: After opening Kostia, the host computer (ETStudio) fails to open​

A2: Copy the ET_Driver from the host computer (ETStudio) to overwrite the ET_Driver of Kostia.

Q3: How to use delay_ms / delay_us and other sleep functions in ETStudio C mini program?​

A3: ETStudio C mini program, similar to CAPL, is a trigger-based execution model. The usage scenarios for sleep functions are as follows:

  1. In the main program OnStart: Use delay_ms / delay_us, which will not block the main program.
  2. In event callback functions (recommended): Use delay_ms / delay_us / Sleep and other sleep functions in events such as OnTimer / OnReceiveFrame / OnSysVarUpdate, with behavior similar to CAPL.