[Grbl_Esp32 Issue#675] Telnet connection using only CR as delimiter does not process commands About GRBL HAL

Issue #675 | 状态: 已关闭 | 作者: HuubBuis | 创建时间: 2020-11-20

标签: bug

What version of the firmware are you using? 1.3a

Is the problem repeatable? yes

Under what conditions does the bug occur? telnet connection using only CR as delimiter

Commands like $$ and Gcodes are not processed, immediate commands like ? are processed.
In serial and Bluetooth connections, commands using only CR as delimiter are processed!

I have fixed it in my GUI so for me it is not a problem anymore. It took me a very long time to figure out what was going wrong.
I prefer the CR as a delimiter, fewer characters to send occupying less buffer space.

If the delimiter is set to CRLF, all is working OK.

#1 – bdring 于 2020-11-21

I found that it is only using LF as the delimiter. I’ll look into why CR is not working.

#2 – bdring 于 2020-11-22

CR was filtered out to be more compliant with the telnet spec. We are discussing in the development forum what is the best solution.

#3 – HuubBuis 于 2020-11-22

I don’t mind the delimiter, had just totally not expected there would be a difference between sending using serial, Bluetooth or WiFi. I thought there had to be a timing problem in my GUI!

I doubt between Lf that is telnet compliant and accepted by grbl as well or CrLf to avoid problems on future controllers.

#4 – bdring 于 2020-11-22

Change has been merged to devt branch

原始Issue: https://github.com/bdring/Grbl_Esp32/issues/675

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