New Smoothie features, please test

Dear Smoothie community.

Jim Morris just merged a massive code refactor into Smoothie ( [github.com] ).
Thanks to him for this truly massive chunk of work, and to all those who tested it before merging.

This changes Smoothie to calculate acceleration for every step instead of 1000 times a second, which results in even smoother/better quality movement.
It also comes with many many smaller improvements to planning and step generation. It solves many small problems users experienced in some circumstances. Amongst those, it is expected to fix the infamous "S3D bug", so please test that.
It is also expected to make Smoothie wore sturdy overall, and is a first step towards implementing some more refactors.

A few things have changed for users, so please read [github.com] before upgrading.

To upgrade, the procedure is as usual, and you can find it here : [smoothieware.org]

Please tell us if you encounter any problems, and what you think about your Smoothie's new step generation.

Cheers

PS : The code does not support laser yet, do not upgrade to this new version if you are using a laser. We will implement laser as soon as possible.

Quote
arthurwolf
This changes Smoothie to calculate acceleration for every step instead of 1000 times a second, which results in even smoother/better quality movement.

It'r nice to see another firmware doing this - welcome to the club!

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

Quote
dc42

Quote
arthurwolf
This changes Smoothie to calculate acceleration for every step instead of 1000 times a second, which results in even smoother/better quality movement.

It'r nice to see another firmware doing this - welcome to the club!

Thanks

We should be getting S-curve accel and n-axis support soon too.

We don't plan on implementing the per-step delta stuff though.

Hi Arthur,

What do you expect to be the benefits of S-curve acceleration, in a 3D printer?

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

Quote
dc42
Hi Arthur,

What do you expect to be the benefits of S-curve acceleration, in a 3D printer?

I'm not sure there'll be many for a 3D printer really.

The research I did showed that the only advantage of S-curve was increased tool life on large CNC mills.

However, others argue that it also helps manage machine shaking, the same way max_jerk/junction_deviation does.

Yet others say it just "feels" or "sounds" better

I guess we'll see this is an experiment too.

As soon as I activate the panel as universal_adapter the board will stop with the first and last LED on. The two LED in the middle are off. Nothing is blinking.
With panel tunred off the printer is working as usual.

Are you sure everything is connected correctly ?

Yes, I have not touched anything. Only the firmware and config update was done.
I have also switched back to the one from Dezember 2015 and that is working fine.
I am in the office, I will post that part of the config that causes it as soon as I am at home.

I tried it a few moments before with the firmware of 29.12.2015 edge2163ccd and the display is working fine.
I also tried it before with one of march - that is also not working.

Here my configuration for the panel:
# Panel See [smoothieware.org]
panel.enable true # set to true to enable the panel code

# glcd
panel.lcd universal_adapter # set type of panel
panel.spi_channel 0 # set spi channel to use P0_18,P0_15 MOSI,SCLK
panel.spi_cs_pin 1.22 # set spi chip select
panel.busy_pin nc # uno ist busy (for universal_adapter)
panel.encoder_a_pin 1.25!^ # encoder pin
panel.encoder_b_pin 1.27!^ # encoder pin
panel.click_button_pin 3.26!^ # click button
panel.a0_pin 2.6 # st7565 needs an a0
panel.contrast 10
panel.encoder_resolution 4 # override number of clicks to move 1 item (default is 4)
panel.button_pause_pin 1.22^ # kill/pause set one of these for the auxilliary button on viki2
panel.back_button_pin 1.22!^ # back button recommended to use this on EXP1
panel.buzz_pin 1.30 # pin for buzzer on EXP2
panel.reverse 1
panel.external_sd false # set to true if there is an extrernal sdcard on the panel
panel.external_sd.spi_channel 0 # set spi channel the sdcard is on
panel.external_sd.spi_cs_pin 0.16 # set spi chip select for the sdcard
panel.external_sd.sdcd_pin 3.25!^ # sd detect signal (set to nc if no sdcard detect)
panel.menu_offset 0 # some panels will need 1 here

I have never used the universal adapter, but I don't think you are supposed to enable that many pins. You should enable just what you need. If you can't get it to work, you can try asking in the Smoothie IRC channel.

I already did a test with less pins. Even with the one from the smoothieware documentation:
panel.enable true # enable panel
panel.lcd universal_adapter #
panel.spi_channel 0 # spi channel to use (0- MISO 0.17, MOSI 0.18, SCK 0.15, SS 0.16)
panel.spi_cs_pin 0.16 # spi chip select
panel.busy_pin 2.11 # busy pin NOTE 1.30 on Azteeg X5

And with that it is the same, with the firmware from December it is working and with the latest one not.

Hey.

I believe this latest commit to edge might solve your problem : [github.com]

Cheers.

Yes, that solved it.

THANK YOU

Hello,

It's my first time here, my apologies if this is not the right place to post my problem.

I've upgraded to the Jim Morris latest version in order to try the rectangular grid leveling strategy, which worked but without good results.

My home built printer is a Prusa i3 like, with a inductive sensor zprobe, which has never worked with the available leveling strategies.

Is there a tool to analyze and edit the offsets in the rectangular.grid file? Where can I get a format description for that file?

Best regards,
Marco Haddad

Hi,

I just found the file format description I need in the CartGridStrategy.cpp source code.

Now I can write my own tool...

Best regards,
Marco Haddad