[BUG] SKR3 still reports TMC connection Error

[mikeww1]

Did you test the latest bugfix-2.1.x code?

Yes, and the problem still exists.

Bug Description

I have just compiled a new firmware for my new SKR3 with TMC 2209 drivers. I killed my SKR2 board and had to replace it. Despite of the various posts that the bug has been fixed by updating the environment, https://github.com/MarlinFirmware/Marlin/issues/24703 the error still appears and I cannot move any axis. I used 2.1.2 and the latest bugfix 2.1.X with same results. I checked stm32h7.ini but found it correct according to the mentioned post.

Bug Timeline

Maybe a new bug maybe it is the old issue

Expected behavior

Printer to be able to use the drivers to move the axes.

Actual behavior

No movement possible

Steps to Reproduce

Set up the environment Edit the config files compile store on the sd card and upload the error appears

Version of Marlin Firmware

2.1.2 and bugfix 2.1.X

Printer model

Anet A8+

Electronics

SKR3

Add-ons

BLtouch

Bed Leveling

ABL Bilinear mesh

Your Slicer

Cura

Host Software

Repetier Host

Don't forget to include

• [X] A ZIP file containing your Configuration.h and Configuration_adv.h.

Additional information & file uploads

Marlin.zip

[thisiskeithb]

I killed my SKR2 board and had to replace it.

Are you sure you didn't fry your drivers as well? Providing an M122 output would help.

Also, make sure the jumpers under your drivers are set to UART mode:

Your configs are not up to date/from the latest bugfix-2.1.x, so please download bugfix-2.1.x to test with the latest code and let us know if you're still having this issue.

[thisiskeithb]

I just flashed the latest bugfix (67bc855) to an SKR 3 with five TMC2209s and there was no TMC CONNECTION ERROR.

Build details:

```prolog Processing STM32H743Vx_btt (platform: ststm32@~15.4.1; board: marlin_STM32H743Vx; framework: arduino) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Verbose mode can be enabled via `-v, --verbose` option CONFIGURATION: https://docs.platformio.org/page/boards/ststm32/marlin_STM32H743Vx.html PLATFORM: ST STM32 (15.4.1) > STM32H743VI (1024k RAM. 2048k Flash) HARDWARE: STM32H743VIT6 480MHz, 1MB RAM, 2MB Flash DEBUG: Current (cmsis-dap) External (cmsis-dap, jlink, stlink) PACKAGES: - framework-arduinoststm32 @ 4.20200.221104 (2.2.0) - framework-cmsis @ 2.50700.210515 (5.7.0) - toolchain-gccarmnoneeabi @ 1.90201.191206 (9.2.1) Converting Marlin.ino LDF: Library Dependency Finder -> https://bit.ly/configure-pio-ldf LDF Modes: Finder ~ chain, Compatibility ~ soft Found 15 compatible libraries Scanning dependencies... Dependency Graph |-- TMCStepper @ 0.7.3 | |-- SPI @ 1.0 | |-- SoftwareSerial @ 1.0 |-- LiquidCrystal @ 1.5.1 | |-- Wire @ 1.0 |-- SlowSoftI2CMaster @ 1.0.0 |-- SlowSoftWire @ 0.0.0+20220807061740 | |-- SlowSoftI2CMaster @ 1.0.0 |-- IWatchdog @ 1.0.0 |-- SPI @ 1.0 |-- EEPROM @ 2.0.1 |-- SoftwareSerial @ 1.0 |-- Wire @ 1.0 |-- Servo @ 1.1.2 Building in release mode [snip] ```

[mikeww1]

Thank you for your reply. It did not catch my mind that my drivers could be dead. I will test as you proposed and on monday new drivers are due to delivery.

[mikeww1]

Ok the drivers were dead. With new drivers the error is gone. Thanks again for the hint !

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