BL Touch help after firmware 2.05 upgrade

87ninefiveone

I'd rather keep using the physical end stop for Z if I can. It worked fine in 1.19 and I trust the sensor a lot more than I trust the BL touch for homing given that a $1000 piece of glass is on the line and I'm almost never in the same room when starting a print.

Can I just move the the wiring connections from the E1 Stop connector (GND and E1 STOP) to the appropriate pins for the z probe connector (GND and Z PROBE IN) and change my M558 to use the P9 probe type?

dc42

@87ninefiveone said in BL Touch help after firmware 2.05 upgrade:

I know that using a type P6 probe in firmware 2.05 isn't preferred, but I've tried running the M558 P9 probe code generated by the firmware tool (and commented out above) and the BL Touch won't even respond to deploy/retract commands so I'm not sure what to do.

You should use type P9. What commands do you have in the deployprobe.g and retractprobe.g files? Do M401 and M402 reliable deploy and retract the probe?

87ninefiveone

Deployprobe.g has M280 P7 S10 I0, but I found a mistake in the retractprobe.g file which had M280 P7 S90 I1 instead of I0. I suspect this was part of the issue.

I corrected this, changed the M558 command to use P9 and moved the wiring connections from E1 STOP to the Z PROBE connections. I'm running a bed leveling routine now, so we'll see how it goes. I'll also check the M401 and M402 commands once it completes.

87ninefiveone

M401 and M402 commands are working and I was able to get through two bed leveling routines without an issue. Looks like it's now working as intended.

One more quick question, is it now best practice to use M401 and M402 command for probe deployment/retraction in macros and startup g-code or is using M280 commands still okay? Just curious if I need to edit my macros and .g files to use the M401/402 commands so the board can properly track the probe state?

dc42

@87ninefiveone said in BL Touch help after firmware 2.05 upgrade:

One more quick question, is it now best practice to use M401 and M402 command for probe deployment/retraction in macros and startup g-code or is using M280 commands still okay? Just curious if I need to edit my macros and .g files to use the M401/402 commands so the board can properly track the probe state?

Use M401 and M402. That allows the firmware to track the deployment state.

87ninefiveone

@dc42 Will do. Thank you for your help!

DIY-O-Sphere

@dc42 said in BL Touch help after firmware 2.05 upgrade:

That allows the firmware to track the deployment state.

Is this also tracked in G30?

Phaedrux

@DIY-O-Sphere said in BL Touch help after firmware 2.05 upgrade:

@dc42 said in BL Touch help after firmware 2.05 upgrade:

That allows the firmware to track the deployment state.

Is this also tracked in G30?

Yes. When using the P9 probe type for BLTouch all of the commands that require the pin to be deployed keep track of the pin state.

jens55

Ran some test on the BLtouch operation - it drops the probe, it lifts the probe, it self tests .... but for some reason the operation of 'cancel alarm and lift probe' does not run ....

This runs:
M280 P0 S90 ; Send PWM channel 7 the S90 (angle) command
This does NOT run:
M280 P0 S160; Alarm Release and Push-Pin UP

I don't get why this is happening ?

DIY-O-Sphere

This will release a "blinking" Bltouch. It doesn't take effect in normal status.

jens55

Hmmm .... will do more tests
Thanks!

jens55

Yup, you are correct, if it blinks then the command works.
Still got some gremlins here .....

Ok, I got it figured out. While the macros for the bltouch all worked, the 'retractprobe.g' had an error in it so it was behaving strangely

Thanks!