6-step examples from MC WorkBench not working

[ALabu.1]

I tried two 6-step drive examples that come with MC WorkBench and could not make either of them to run a motor. First, I tried "Six-Step drive with NUCLEO-G431RB, IHM08M1 and Shinano motor". I did not have Shinano motor. A motor I have is very similar but not the same so I thought it maybe causing a problem. My motor would not spin and a power supply would hit a current limit.

Second, I tried "Six-Step drive with NUCLEO-G431RB, IHM07M1 and BullRunnig motor" for which I have the required motor. The motor would ramp up and stop. Since I can't step thru the code when a motor is spinning I put break points at different places. I found a place where it goes in MC_LF_TIMER_FAILURE state. In the file 6step_core.c, function MC_Core_NextStep (line 897) it looks to me like a Catch22 - see the image below.

Next function call after going thru the bottom “else�? statement goes to MC_LF_TIMER_FAILURE. Can anyone explain to me how it is supposed to work?

Alex

[Laurent Ca...]

Dear ALabu.1

I redirect your post to "STM32 Motor Control" forum that is more relevant for your question than "Power Management and Motor Control" forum.

Best regards.

Laurent C.

[Laurent Ca...]

Dear @ALabu.1​ 

I see that unfortunately your question did not inspire the STM32 Motor Control community much.

Do you still have this problem to solve?

Best regards

Laurent Ca...

[ALabu.1]

Dear Laurent,

Project for NUCLEO-G431RB-IHM08M1 set of EVAL boards still does not work. I do have a working project for  NUCLEO-G431RB-IHM07M1 set of EVAL boards. Actually this wasn't my final goal. I thought I could switch it from SENSORS_LESS to HALL_SENSORS in the extras.wb_def file but it did not work out. Can you or anyone in the community create a simple Keil uVision project that runs 6-step algorithm with HALL sensors on either set of boards? I do not need sophistication and abstraction that sensorless project has. I do not need any protections since my power supply has a current limit. Essentially I need TIM1 to be configured for motor PWMs and TIM2 for HALL sensors and a piece of code that would do 6 steps.

Alex