G-Code to read input pins, needed for OpenPnP

[jjg]

Switch config allow input pins to trigger G-Code. I don't want to have input pins trigger G-Code.

OpenPnP issues command to read things like vacuum sensors at various stages of processing.

If I use M105, then I can only read one variable.

I have 3 digital input pins to read (2 vacuum sensors and Pin Down Sensor).

Later will want to read 2 additional analog pins.

Can I do this in config or do I need to code a custom command?

[jjg]

Check out commercial PnP converted to Smoothie.  

Well almost, I need to know how to read in G-code 3 sensors.

Any help would be appreciated. 

[Arthur Wolf]

use the "switch" command : "switch switch_name"

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[jjg]

In the command line of pronterface, I type

>>>switch.vac1read
*** Unknown syntax: switch.vac1read

the config file is

switch.vac1read.enable                           true             #
switch.vac1read.input_pin                       3.26              #
switch.vac1read.input_type                      digital          #

I need something like

>>>M105
SENDING:M105
ok B:inf /0.0 @0

This way OpenPnP can read status of vacuum after pickup.

OpenPnP guys suggest Arduino addon but there are more than enough pins on the smoothie.

Regards,

John

[Arthur Wolf]

using the very latest edge firmware ?

also you put a dot there, where there shouldn't be one

also pronterface eats commands it doesn't know, so you really need to send "@switch vac1read"





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[jjg]

Thank you for the help.

Just purchased 2 Smoothieboards a few weeks ago, so very new to smoothie.

So startup fog is very thick.

Completed all the wiring of the PnP and it works :).  Noticed steppers are quieter with smoothie vs original controller. :)

I don't see a revision # in any of the files on the sd card. How do I get the revision number?

This is what I get when entering the command 

>>>@switch vac1read
SENDING:switch vac1read
switch vac1read set to:
>>>@switch vac2read
SENDING:switch vac2read
switch vac2read set to:

Regards,

John

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[Arthur Wolf]

On Sat, Aug 5, 2017 at 3:10 PM, jjg <john.j....@gmail.com> wrote:

Thank you for the help.

Just purchased 2 Smoothieboards a few weeks ago, so very new to smoothie.

So startup fog is very thick.

Completed all the wiring of the PnP and it works :).  Noticed steppers are quieter with smoothie vs original controller. :)

I don't see a revision # in any of the files on the sd card. How do I get the revision number?

"version" command

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[jjg]

In reading the doc, I missed the comment about "@" in front of commands in prontface. Now I can get the console commands to work :)

>>>@version

SENDING:version

Build version: edge-8e4a64c, Build date: Apr 24 2017 11:46:31, MCU: LPC1769, System Clock: 120MHz

5 axis

[Arthur Wolf]

well that's pretty old, as I said please use the very latest version of both config and firmware. documentation makes it clear you should do that before asking any question or trying to debug anything, anyway.

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[jjg]

The intro in the documentation has the statement

Note, Smoothieboards come completely pre-flashed, you do not need to compile or flash the firmware, unless you want to upgrade to a newer version, or to contribute to the code.

Does it make sense to update this to something like?

Note, Smoothieboards come completely pre-flashed, you do not need to compile or flash the firmware, unless you want to upgrade to a newer version, to contribute to the code, or ask for help in the support forum.

Upgrading now will let you know if it works.

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[jjg]

That did the trick. Thanks a million.

>>>@version
SENDING:version
Build version: upstreamedge-b6153da, Build date: Jun 21 2017 21:02:36, MCU: LPC1769, System Clock: 120MHz
5 axis

>>>@switch pinread
SENDING:switch pinread
switch pinread is 0

>>>@switch vac2read
SENDING:switch vac2read

switch vac2read is 0

>>>@switch vac1read
SENDING:switch vac1read

switch vac1read is 0

Regards,

John

[Satya Gupta]

Hey John,

I know this is very old conversation, but i have recently planned to convert same machine TVM802 into open PNP.

Just checking if i would be able to get any help from you.