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it's morning now
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dito, good afternoon :)
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Does anyone here know how to install an library in linuxcnc and use it in HAL?
(its a C++ lib)
in the source code?
yep, its an open-source lib
what does this library do?
communication through the USB, it handles the protocol that is used between the software and the driver
doesn't sound like something you would use with HAL
what are you trying to do
though so... send commands through the USB port
what do these "commands" do?
and which direction
its for my spindle driver, the 'commands' are send to set the desired spindle
PC -> Spindle_Driver
but was nice to make the transciever work XD
(make it bidirectional)
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does anyone know how to help me?
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you might try the mailing list
thx j ;)
but it does not sound like some easy thing to do so be prepared to study the internals of LinuxCNC
I've been studying it, but needed to ask to the community if anyone could help, that would be easier XD
does your drive have a modbus input for control?
nevertheless, thanks alot for your help
or see examples of the usb input devices that people have used and see if they can be extended
it's always easier if someone else does the work
arch, that was my idea, but couldnt find one
all the usb are input only devices IIRC
j, its not that, but the help is appreciated
it doesnt use modbus
its an SPI interface
hal-input, I read
IIRC Mesa has a SPI card
spi...one of the mesa cards ?
but that is the problem, I need outtake
might try and catch pcw_home and ask him
no, its another driver, one inside the driver
but that gave me an Idea
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there is some talk on the forum about SPI
thx, I'll ask him =D
[11:43:46] * jthornton heads out for some mountain bike riding
ew too much effort this time of day :)
jthornton: Look at ntop. It can show you all the traffic on the lan and from where and what; apt-get install ntop
jthornton: NOT 'ntopng', that is something new, not the original 'ntop' even though they are from the same place.
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is it useful for anything other than job seeking?
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Jymmm: Thanks, I'll have to look at it later, making parts...
jthornton: np, I just totallt forgot about it for monitoring traffic on a lan
the netgear thing gives me what I need for now
if the usage goes up I'll start looking for where
JT-Shop: NTOP is still neat, you can see who is using what.
JT-Shop: all web based
looked like terminal to me, I installed it and did man ntop
it has it's it's own web server
[13:52:18] <Jymmm> http://www.elblogderigo.info/wp-content/uploads/2009/08/cacti_ntop1.jpg
must need some setup or something
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yeah, you have to start it =)
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it gives me an error :(
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lol you need to start is as sudo
libpcap requires r00t to put the adapter in promiscuous mode
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assuming this uses pcap
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Jymmm how is ntop different than wireshark?
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hi all B)
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tomorrow rest day in germany
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someone has a moose dxf to cut on plasma
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there is a ton of that on the zone
i see but no moose
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IchGuckLive: sowas? http://www.cyrom.org/palbum/main.php?g2_itemId=8731
nein ein 3d aufsteler ich hab was
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schönen feiertag BY folks
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hm, too fast 4 me
grrr... day of german unity... forgot that completely... would have gone to the doc tomorrow... and would have been standing in front of a closed door :-(
i hope he has open friday
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hmm, are you ill?
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Tom_itx: wireshark is to atmel, as ntop is to ardunio... http://www.youtube.com/watch?v=glNZA9vpy8Y
Tom_itx: That's the best video I could find, but ntop shows more than that video so poorly shows
Tom_itx: Other than startup and password, theres really not much to know/configure, unless oyu want more specifics.
Tom_itx: wireshark gives you specifics, ntop gives you "the big picture"/overview.
ntop is good
you may want to put a transparent linux box between your modem/router
then you can easily block stuff
and do QOS
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Hi there DJ9DJ
JT-Shop: Basically, ntop will let you see instead of guess where all your traffic is coming from.
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good evening uw
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ReadError, why not block it at the router?
i'm trying to figure out how to set up rules for mine
not all routers are that flexible
this edgemax is
it basically runs linux
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well yea but if he has 10GB per month to blow he probably doesnt have that ;)
theres a linux router appliance OS
forget the name ;/
several of them
yea im sure theres more
RouterOS & EdgeMax, dd-wrt & tomato for some routers
[19:52:57] <ReadError> http://en.wikipedia.org/wiki/PfSense
this is bsd based
which is actually better for routers
BSD is just a fad, it will never last.
What happened to r00t?
wasnt there a big loophole in the dd-wrt code?
i've read something about router-botnets discovered lately
has ntop, proxy, etc
good for what he needs
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Is there a bot in this channel that tracks users?
Like, able to use a seen command?
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last seen in #linuxcnc 2013-10-02 20:59:19GMT 00:02:53 ago, saying Like, able to use a seen command?
looks like there is.
last seen in #heekscad 2013-09-25 02:03:53GMT 186:59:38 ago, saying joined chan
Never heard of the entity r00t4rded you ask for
last seen in #linuxcnc 2013-05-18 19:11:59GMT 838:59:59 ago, saying joined chan
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Well, I found what was wrong with my PSU (exactly what i thought was wrong with my PSU)
[20:25:25] <andypugh> https://plus.google.com/photos/108164504656404380542/albums/5930254306221907233
andypugh: it was loud?
jmk always knows the right answer for this kind of thing, doesn't he
Yes, though all his solutions are perfect, industrial-strength, and expensive.
what was that, andypugh? diodes or varistors?
micges: It made me jump, but the smell was worse.
What was it >
Loetmichel: A normal power resistor!
ah, for the dc bus in the VFD?
Perhaps living up to its name a bit too much.
Loetmichel: DC bus for the 8i20 dirives.
isnt a corbar normally made with a solid short and hoping the fuses in the input will blow?
True, I guess this isn't technically a crowbar.
more like a shunt regulator
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Well, it tries to regulate to zero...
The purpose is to discharge the caps when the power goes off. I guess not bothering would be an entirely reasonable option, as long as I could guarantee to always remember what I had done...
andypugh: i can assure you: you WILL remember it when you touch it ;-)
My worry is that I won't remeber anything else ever again.
how much voltage on that dc bus?
the 80V from these were "awakening" to say the least: http://www.cyrom.org/palbum/main.php?g2_itemId=4760
oh, ok, that could be bad
large bleeder resistor
Make a coil gun. :)
CaptHindsight: will last a bit long
That _is_ my large bleeder resistor.
was, your bleeder resistor :)
or will waste to much power when small enough for reasonable discharge times
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stove element ?
so the solution with a big resistor and a relais to switch it on the caps at poweroff is a good idea
A permanently connected stove element would probably over-heat. Aren't they normally thermostatically controlled? And I would need to double the rating of all the parts.
Is this for continuous use ? I.E. not a spike ?
I know that people have used them for breaking resistors without issue..
It is meant to discharge the caps when the machine is off.
Then it should be fine.
Otherwise the 300V will hang about to surprise me when I am working on the machine.
the spike shouldn't last long enough to burn them out.
andypugh: WIMP! ;)
The 100W power resistor is 100% OK (so, it takes 1kW for 4seconds, it can handle that). It is only not OK when a relay fails and wires it permanently across the mains supply.
Why did the relay fail ?
andypugh: i had the problem the other way round with a softstart for a 2.4kW stage Amplifier with primary SMPS
the 16 caps with 1800µf 400V have killed a whole rack of amps in a fixed installation whre the amps were about 2meters (electrically) from a 250A Circutbreaker on tha mains power rails
big rails that is
Connor: I am not sure. I suspect a momentary power glitch. The relay is only supposed to close at 300V and not release until 0V. If it tries to release at 300V then (because it is DC) the contacts arc and weld. Then the other contacts in the relay make contact, and we have both the NC and NO contacts closed at the same time (which is not meant to happen)
switched the breaker on: BIG bang, 10 amps spitting oput flames and debris in the front...
and that were 4 times 10W ceramic Resistors in each amp
I use relays with a delay for power transfer switches
What I should be using is force-guided relays where it is physically impossible for one set of contacts to close if the other is welded.
andypugh: If i disable writes to the setup register the fanuc interface works
the problem is similar, power goes out, generator turns on, transfer switch moves to generator, power comes back up intermittently
if the contacts are welding then they aren't big enough
that will happen if you use the same relay with NC and NO contacts for switching
1: I had an error in the regmap file for the Fanuc aA64 (both count fields are 16 bit) so in the
AA64 format string, the 20 changes to 16 and the last pad changes from 3 to 7
2. batt and valid bits are inverted
3. CRC ends up as a scaled floating point number
PCW: I need an FPGA board with more than 144 IO
or a breakout board with another FPGA to do more demultiplexing
we had a customer that wanted ~400 I/O (288 scaler counters)
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how fast are the signals?
I just have too many data and control lines
CaptHindsight: What in the world are you doing to need more that 144 I/O ?
the data is 3bits at 30MHz
Connor: really big printheads
how many channels of 3 bits at 30 MHz?
4 channels per head
ink or 3d printer ?
plus they have 5 lines for an eprom and one design also requires a few bits for a 2MHz DAC
might just have to make a board myself
probably (use a zynq and Ethernet the data to the head)
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PCW: ~15MBytes/sec just for nozzle data
per head and there might be 4->100 heads
maybe Parallela with lots more IO
using the 3x20 for now
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the MB has 6 PCIe slots
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I have some zedboards but they only have 68 single-ended I/O or 34 diff pairs
Yeah thats a lot of I/O
[21:12:19] <CaptHindsight> http://global.kyocera.com/prdct/printing-devices/inkjet-printheads/
these are even bigger, 100 million drops a second per printhead
some use LVDS, some don't
the ones that don't, you want to sit down with their engineering director and have a chat :)
[21:15:55] <CaptHindsight> http://global.kyocera.com/news/2012/0404_phhs.html
330 million drops per second from a head with 5,120 nozzles
(That was a joke, don't bother googling)
We actually have systems at work that use transputers though.
from the 80's- early 90's
we're not doing much processing, just moving lots of data around
Too fast for Smart Serial I guess?
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One of those wide printheads squirting binder into a powder-bed machine could make parts in minutes.
(or, for that matter, sand moulds)
GbE and fiberchannel are the most popular
yeah, how it's done
It might even be comparable with traditional wood-pattern production rates. That would be game-cganging.
I think ExONE uses Fuji heads or the Kyocera
you can also mix resin with the sand, and then just print and cure the outside walls, then bake the whole mold to make it solid
I am trying to persuade a friend that he needs me to build him a sand mounld printer
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andypugh: most of this is pretty straightforward to build except for obvious patents and inkjet tech being under really tight NDA
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This would not be commercial, just for making parts ofr his vintage vehicles.
printing sand molds is not difficult but the patent holders artificially keep the costs of doing so high
printheads are also expensive, so you're fuel injector approach will work
andypugh i put a few leds in the PSU to help drain my caps
works rather well
seen on the boards i made to mount the caps: http://tom-itx.dyndns.org:81/~webpage/cnc/psu/control1.jpg
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That's a lot of caps, how long does it take the LEDs to discharge them?
As I keep pointing out, the voltage and capacitance I am talking about makes it a slightly different proposition.
For a start the resistor to limit the current to 50mA at 300V would be dissipating 15W.
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I made a voltage-doubling supply a while ago. 2 caps, 2 diodes, 700VDC from the mains. That scared me.
not very long
i got them surplus, they're small but add up to what i needed
they discharge in maybe 10-15 sec
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Tom_itx: What voltage are the caps at?
PCW: The CRC ending up as a float is a consequence of Smart Serial making everything float. (which is typically more useful in HAL)
andypugh suggested AA64 string:
I just removed the requirement to have a name, so p%p12 can just be %p12
But I will use your string, if it works for you.
we encoder non floats by having 0 scaling numbers
but perhaps a intger type would be better
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I think its better without the extra P's
Well, in HAL it is no problem, and CRC is useless at the moment. I would suggest that we would need to add a CRC "type"
or calculate it in the driver
You can't do CRC in HAL, you don't have the bytes to CRC..
Yes, exactly, CRC needs to be intercepted by the Smart Serial driver.
I have (fairly crufty) example code
(I am thinking that UART and BSPI could come under this formatting convention too)
andypugh, they're around 48-50v
Yeah its a much nicer to have those thing programmable
PCW %16ogu = 16 bits of gray-coded unsigned output bits...
Actually, that won't work, it would have to be uart_0_out=hello%34uworld%24f, uart_0_in=...."
The trick is to add that without breaking the 7i65(?) driver.
as far as I know the 7I65 driver is broken anyway
I blame the 7i65 mfg
I blame the driver writers.
at some point it started segv-ing
I thought we solved that?
andypugh: YEAH! They can't even spell COLOR correctly!!!
I guess that is why you sent me one several months ago?
I was able to avoid the segv but it no longer worked at that point
I need the mill back up to test. But I will put it on my list to test.
just how big is that list?
Is the phase_error_us pin the scaled read of 7600?
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PCW: It should be, though it is currently worryingly integer. If you set the plimit to 0 you will see that it oscillates between -500 and +500 uS. which sounds right.
Yes thats what you would expect if it cant lock
Seems to indicate that the scaling it right?
Jymmm, that's some crappy welding
I have shoelaces that strong. But thinner.
[22:16:48] * Jymmm smacks the synthetic rope out of Tom_itx
(Seriously, 4mm spectra shoelaces, 1000kg breaking strain, just in case)
1/8 = 2500lbs avg strength
you goin climbin with 3/4" rope?
I have caved with 9mm rope. It looked too thin.
1/4" = 8600lbs
i use 5/8 for tree work similar type rope
1/2" = 34,000 lbs
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Tom_itx: 16mm rope? Is that a circumference?
That's pretty chunky rope
i don't care to fall
and it gets abused
Cavers consider 12mm to be big (that would be 1/2")
But I guess you don't have to drag your ropes a few miles through constricted passages.
pretty sure this is 5/8.. it could be 1/2
As I said, 9mm is perfectly OK, but it _looks_ wrong. (3/8')
(Caving rope doesn't see dynamic loads)
yeah, i've seen some of that thin stuff (1/8 or so) rated at unreal numbers
The jammers are rated from 8mm to 13mm
mostly used to carry equipment i suspect
Yes, you would probably not hang yourself on 3mm string.
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Though the Russians devised an entire set of caving equipment based around 5mm(?) steel wire rope.
There is an issue with the DPLL there will be errors in modules that use it until its locked
there also seems to be a bug with the battery bit (and maybe other bits)
the battery status is only updated if the encoder count changes
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Is that them, you or me?
also data-incomplete seems to come from the wrong place (and encoder bit?)
Ill check the battery bit on winders
Must be a driver thing, the battery bit in the data stream is updated in real time
data-incomplete is *0x1800 & 0x800, which sounds like the right register and bit?
Cable fault seems to be wrong, mind.
And data-incomplete was only being checked if there was a cable fault (oops)
cable fault is 0x1700 0x80000000
(high = fault)
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data incomplete is now basically the busy bit in the global busy register
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if anything is wrong (cable error, busy, no return data, stale data etc) the busy bit will be high
so probably no need to read 1800
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that much is basically working (if i pull the plug all the data goes to 0)
How does this look?
ct 2 23:56:28 dn2800 kernel: [93526.329815] hm2/hm2_5i25.0: Writing 0x00001280 to 0x1800
Oct 2 23:56:28 dn2800 kernel: [93526.329823] hm2/hm2_5i25.0: Writing 0xF0007DD4 to 0x1900
Oct 2 23:56:28 dn2800 kernel: [93526.329828] hm2/hm2_5i25.0: Writing 0x4C428000 to 0x1700
Oct 2 23:56:28 dn2800 kernel: [93526.330775] hm2/hm2_5i25.0: Writing 0x00001200 to 0x1800
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1024 kHz is 0x7DD4 or 0x1EB8420 ?
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Let me check my calculyser
0x7DD4 is what I get
That just leaves 0x1700
The 4C looks right
64 +8 +4
I still don't quite "get" the request length
the fanuc encoder needs a request pulse, it should be 8 usec long at 33.333 MHZ this is 10A (428 is 10A shr 2 so is correct)
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So, it seems that we correctly turn on writes, set the values and turn off writes?
Currently the busy flag sensing is on the individual channel bits. Do you want me to push now, or wait until I have recongigured for the busy-bits-global version?
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Look like it dont return the write enable state on reads but I should
Looks OK I would wait for the global busy check as its designed to save I/O cycles (no need to read anything but global busy and data regs for normal use)
Does that matter?
only for debugging
(write-enable, that is)
not really but it was assumed at the beginning that the defaults would be used (so they are protected)
As it is just me and thee looking at this, there is no penalty in me pushing the current version to the dedicated branch.
sure and i can try my (cable error = stay busy) firmware
Also only the global busy bit has the gating with DAV so its really the authority on whether the data is any good or not
Aye, I get that, but you have hours to go, and I have mere minutes
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no hurry. its great to see it working as is.
I used your config string. That does not appear to swap "valid" and "batt", curiously.
I have two dumb questions for you guys, I think I already know the answer to the first one tho
can something like this "variable transformer" be used to control motor speed of my 1/4 hp motor, or will an inductive load blow it up
Typicallly the annswer is "It's a type of fish"
[23:38:53] <somenewguy> http://www.heatersplus.com/18tp.html
thats a heck of a poisson ratio...
they were not swapped, just had wrong names (batt should be batt_fail)
it can control the _power_ of your AC motor.
i realize I would need feedback and all that jazz
(valid should be pos_invalid)
just wondering if it can happilly drive a motor, I know sometimes these things are not as simple as they appear
How much does it cost?
I have one that has been orphaned, they are like 180
or 90, its been a while
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it might sort of drive a AC-DC motor
You can buy a 3hp Variable Frequency Drive for that money
[23:42:45] <andypugh> http://www.ebay.com/itm/300652886556
But I don't think that will drive a 1-phase motor
If it was free, then try it.
well I already have the Payne transformer sitting infront of me on my desk
but I don't wanna blow it up, could serve a better use somewhere else
and it was paid for with money, so I don't wanna hook it up to somethign that will just kill it
wow that VFD si a lot chepaer than I would have expected one to be, of that size
my mill is a mini mill, so 1/4 hp is plenty, for the record
I can see that with a Radio Control servo to twiddle the knob for you that it might work
which I also have sitting in a box
hence me going "hmmmm" when I noticed it on the shelf for the first time in a while
Which Mini-Mill? They typically already have a variable speed drive.
drilling 1mm holes 25mm deep in acrylic had me wishing for a slightly slower low speed
my friend has a chinese one w/ speed controll, I am trying to get him to let me breed em
I grafted a proper 1hp 3-phase onto my Chinese mini-mill (actually I think mine is an Indian knock-off of a cheap Chinese knock-off of a cheap Emco)
Not likely to work on a Taig though: https://picasaweb.google.com/lh/photo/Dk3wsS9o7XJ-N2kfUnESDtMTjNZETYmyPJy0liipFm0?feat=directlink
the taig is a bit smaller than the chinise mill
that's a lot of mooor
I am kinda hoping to have a treadmill fall into my lap, cause I have a few 24 volt/25 amp DC motor controllers, and I understand them a bit more
induction motors are sitll black magick as far as I am concerned
That whole machine is now filed under "Error of judgement, sell to a fool"
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It is an OK lathe, but very narrow in the bed for the centre height and length.
But it is a dreadful mill.
the proportions look a little, unique
oh speaking of unique, here was my second important question
I don't have a flat computer surface i work on for the mill, and likely never will so my trackball mouxe (shut up i ran out of laser/ir ones) is a pile
really hard to use on my dented little table
so I was wondering if anyone has ever used those ball mice (the onese with teh ball on top, not sure what they are called) in the shop, if it is convenient?
Unless I missed something, that heatersplus unit is for brushed motors... or heaters.
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that way sufrace quality just doesn't matter, and Icould hold it as I walk around if needed
Oops, I scrolled to the wrong place.
kwallace2: the hearsplus thing is used for heaters a whole lot yes, I don't think it would work on a brushed motor
The mill has been replaced by this: 1970 Harrison iron + 750W servos. http://www.youtube.com/watch?v=X0celdfZmkA
A brushed AC or "universal" motor.
the SECOND I have the floor space and a structural floor, I am selling the taig and gettting a real mill
I am very jealous
somenewguy: Well, really, what you want is a touchscreen, a jog-wheel, an axis-selet and the Touch (or Gscreen or GmoccaPy) interfaces
are brushless servos steppers with feedback?
I was thinking about a touch screen, but not too sure about spending the money, also would need to have a more finalized setup
Techically, yes they are
also this is a hobby (that makes me money, but not much) so I need to TRY and be carefull how much I spend
that only goes so well of course...
But they are a 2 or 4 or 6 step-per-rev stepper, but with a huge degree of (closed loop) microstepping
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