Chris Barr

Pins not inputs by default?

2

I'm testing this on two boards, both F4-based. I don't know if this is F4 specific, but I imagine someone else would have run into it if it affected other...

[FAQ] SPI Stepper Driver Defect

1

The purpose of this issue is to put info on this problem in one place for easy reference. ### What is the problem? As has been discussed in several issues...

Fan PWM Troubleshooting / Timer Investigation

2

Collecting information for troubleshooting why PWM on FAN (PC9) isn't outputting the expected values when running Marlin bugfix-2.0.x. Suspect there is a conflict somewhere / the same timer is being...

Same issue as Aus3D/RUMBA32#6, MOSFET driver should be replaced with a part that actually changes the voltage level.

Mark new_data_is_received as volatile

2

In the F4 bootloader, I think the variable `new_data_is_received` should be marked as volatile. I noticed that if I change the optimisation level from `-Og` to `-Os` or `-O2` etc.,...