TermTab5
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@easytarget I assume you did not read my message carefully. G1/G3 are in the PDF Schematics
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@Powersoft Hi!
You can easily use any pins with SoftwareSerial, though I did not test it. One of my primary goals was to make it work fast (which is not what you usually expect from software serial).
Can you do it yourself? Or maybe use a GhatGPT (point it to the main .ino file and ask to change to pins you want).
If you encounter any problems message me, I'll try to find some time to do tests. -
@h0lmes Software Serial is best left for smaller devices with limited IO mapping. For any of the recent ESP32 chips you should one of the hardware UARTS, the P4 has six of them!
You can mux any GPIO pin to any hardware UART. That way you get speed with no cpu load, and the option to do DTS/CTS etc by just specifying the extra pins.
https://docs.espressif.com/projects/arduino-esp32/en/latest/tutorials/io_mux.html#peripheral-table
However if (and I have not looked at the code) you just use the default esp functions it will default to a hardware UART if it can and only use soft serial as needed, so you may be good anyway ;-)
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@h0lmes
Actually I was ignoring that; I am using the actual P5 GPIO pin numbers for clarity.If you look at the image I pasted, which is from the Tab5 main documentation, you can see that it also uses the real GPIO pin numbers.
The M5_BUS uses pin names based on the original M5Stack, and the schematic shows the M5_BUS pin names there, and this is very important if interfacing to other stack modules! But the actual GPIO numbers are what you need in your terminal code. Using the M5_BUS labels just confuses things.
So; I prefer to use the actual P5 GPIO pin numbers, rather than having to do a mental 'GPIO pin X == M5_BUS pin Y' conversion every time.
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@h0lmes
Hello, thanks for your information, please can you point me where to find in the code I should search for the pinnumbers, i have search a lot of time but no result.
With kindley regards
Jan -
@Powersoft Hi!
I have updated the project and added a feature flag at line 26 of PlatformConfig.hpp. If you uncomment it the source compiles with grove connector as a UART.
As can be seen at TermTab.ino lines 136-137: pin 53 is TX and pin 54 is RX.
You are welcome. -
@easytarget
It seems to me that the M5 team could've done a better job with the Tab5 schematics to avoid all this potential confusion.
Thanks for taking the time to point out all those details. -
I didn't implement those pins selectable in software because it is intended for use on almost any ESP-based hardware.
Though if I have a good idea on how to do it without sacrificing portability I might add it later. -
@h0lmes
Thanks for the modification of your program.
First test run as a charm.
Can the terminal work with vt100 sequeces?
With kindley regards
Jan -
@Powersoft
Yes, you can find ESC sequence handling at lines 1515-1927 of Terminal.cpp.
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