Remora - Rpi Software Stepping Using External Microcontroller via SPI

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4 years 10 months ago #230183 by cakeslob
I was reading some issues with marlin and the monster8 about using the sd card and the spi1 on exp2 at the same time, Im not 100% of its related to the pinout of the lcd screens/marlin configuration or not, but anyways, they are using a software pin instead of PA4 , so I did a software nss for spi1 cs pin but it did not seem to make a difference. 

Also I noticed the robin doesnt deinitialize block device in main.cpp so i removed that section but still nothing.

I am stumped now as to where I go from here, or what to troubleshoot. I can start probing spi shit but ill have to read up about it first.

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4 years 9 months ago #230851 by Zuo99
I want to know if you can use EXP1 instead of EXP2 when using skr v1.4 turbo

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4 years 9 months ago #230986 by scotta
No, there is not an available SPI connection on EXP1, they are on EXP2 and the SD card.

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4 years 9 months ago #231101 by wazza77
Hi Scotta,
with the sed arch max (stm32black) what spi port did you connect the pi to. ( i have just finished making the testbed so now messing with the boards )

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4 years 9 months ago #231164 by scotta

Hi Scotta,
with the sed arch max (stm32black) what spi port did you connect the pi to. ( i have just finished making the testbed so now messing with the boards )
The firmware is configured for comms on SPI1. Note that I have not tested this board myself but others have it working.

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4 years 9 months ago #231200 by wazza77
yeah I most likely stuffed something up I can't get linuxcnc to come out of the stop, and the hall pins are showing false on the spi out i have just modified the SKR2 config.txt and a modified remora-xyz.hal  

File Attachment:

File Name: remora-xyz.hal
File Size:1.69 KB
 

File Attachment:

File Name: config.txt
File Size:1.7 KB
if a fresh pair of eyes could have a quick look that would be apreciated

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