Wow! thank you Charles, now I've got loads of ideas to play with. I'll report my progress here.
WBR, Andrew On Wednesday, June 7, 2017 at 6:28:59 PM UTC+2, Charles Steinkuehler wrote: > > On 6/7/2017 11:19 AM, 'Andrey Z.' via Machinekit wrote: > > Maybe I have wrong DELTA_R or CF_ROD and they somwhow distort homing > sequence? > > I'm really new to LinuxCNC :) > > An error in these values will cause "dish" shaped movement when > printing (instead of the printer staying at a constant Z height in the > XY plane), but will not affect homing. > > It sounds like your problem is with the homing signals, so the things > to check (in order) would be: > > * LED on the BeBoPr board indicates the proper signal level (you have > said this much is working) > > * The voltage on the P8/P9 connector pin for the limit switch toggles > properly between 3.3V and 0V (measure with a 'scope or multi-meter) > > * The appropriate GPIO pins are exported, set to input, and indicate > the proper value. You can verify this by poking around in sysfs > (/sys/class/gpio) > > * The hal_bb_gpio driver is loaded with the proper command line > parameters (compare your HAL file with the example configurations) > > ...if all of that is OK, your limit switches should be properly > working in HAL. > > -- > Charles Steinkuehler > cha...@steinkuehler.net <javascript:> > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to machinekit+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
