Re: [Emc-users] Re Converational mode.

2019-03-09 Thread Erik Christiansen
On 07.03.19 14:52, Marshland Engineering wrote: > Some of the parts I make > > http://www.marshland.co.nz/ftp/Misc/Parts.JPG > http://www.marshland.co.nz/ftp/Misc/Machining.JPG > http://www.marshland.co.nz/ftp/Misc/Pendant.JPG Thanks for the parts porn - it's encouraging when the slab for my

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread andy pugh
On Sat, 9 Mar 2019 at 11:59, Nicklas Karlsson wrote: > I think CPU Cortex-M4 is a lot slower than arduino Really? That isn't my experience. Given that the M4 is running at 120MHz and the Arduino is 8MHz and both are running the same code? -- atp "A motorcycle is a bicycle with a pandemonium

Re: [Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 07:06:58 Erik Christiansen wrote: > On 09.03.19 11:54, Nicklas Karlsson wrote: > > You are mining coal in Australia maybe you would be better of turn > > some of the combustible material to bio fuel? > > Spot on. The Black Saturday fires released the energy of 1500 >

Re: [Emc-users] Air line for Gene

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 01:26:14 Greg Bentzinger via Emc-users wrote: > I hope the link will survive the paste. > https://www.automationdirect.com/adc/shopping/catalog/pneumatic_compon >ents/flexible_pneumatic_tubing_-a-_hoses/straight_polyurethane_(pur)_tu >bing/8_mm_(5-z-16_inch) > Thanks

Re: [Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread Nicklas Karlsson
On Sat, 9 Mar 2019 21:39:43 +1100 Erik Christiansen wrote: > On 09.03.19 22:06, Marshland Engineering wrote: > > Hi Erik > > > > Where do you live? Excuse me for being so ignorant on current news but I > > just > > don't watch it any more. Too much baloney !!! I can only assume California >

[Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread Daniel Scheeren
Several library options, some tests done by Luminize in Machinekit. https://github.com/machinekit/machinekit/issues/589 https://github.com/luminize/canopen-machinekit ___ Emc-users mailing list Emc-users@lists.sourceforge.net

Re: [Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread Erik Christiansen
On 09.03.19 11:54, Nicklas Karlsson wrote: > You are mining coal in Australia maybe you would be better of turn > some of the combustible material to bio fuel? Spot on. The Black Saturday fires released the energy of 1500 Hiroshima bombs. As an individual, I can do at least three things:

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 07:53:05 Nicklas Karlsson wrote: > > On Sat, 9 Mar 2019 at 11:59, Nicklas Karlsson > > > > wrote: > > > I think CPU Cortex-M4 is a lot slower than arduino > > > > Really? That isn't my experience. Given that the M4 is running at > > 120MHz and the Arduino is 8MHz and

Re: [Emc-users] Re Converational mode.

2019-03-09 Thread Marshland Engineering
Hi Erik Where do you live? Excuse me for being so ignorant on current news but I just don't watch it any more. Too much baloney !!! I can only assume California or Aus. We suffered an earth quake here and I know I would rather have that than a flood or fire. One thing about quakes is that once

[Emc-users] Ethercat Canopen oversampling message format?

2019-03-09 Thread Nicklas Karlsson
Ethercat messages may be quite large and by putting several sampled values in one message sampling rate for some or all values may be higher than message rate. This is usually called oversampling. Do anybody have an idea of standardized message format in this case? It should be done on

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread andy pugh
On Sat, 9 Mar 2019 at 05:48, Kirk Wallace wrote: > > I have used AVR chips to add features to LinuxCNC that where not easy to > do with a parallel port alone. Now I would like to take a try at using > one of these Blue Pills: > > https://www.ebay.com/itm/222676944274 When I found that an actual

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Nicklas Karlsson
> On Sat, 9 Mar 2019 at 11:59, Nicklas Karlsson > wrote: > > > I think CPU Cortex-M4 is a lot slower than arduino > > Really? That isn't my experience. Given that the M4 is running at > 120MHz and the Arduino is 8MHz and both are running the same code? No I got it wrong and mixed it with

Re: [Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread Nicklas Karlsson
> China is weaning itself off thermal coal - I think they realise that > tropical storms will give them a belting if they don't. India is lagging > somewhat on the technology curve, and currently needs the dangerous cheap > coal fix to power their economic and technology climb - regrettably. China

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread grumpy--- via Emc-users
On Sat, 9 Mar 2019, Gene Heskett wrote: On Saturday 09 March 2019 07:53:05 Nicklas Karlsson wrote: On Sat, 9 Mar 2019 at 11:59, Nicklas Karlsson wrote: I think CPU Cortex-M4 is a lot slower than arduino Really? That isn't my experience. Given that the M4 is running at 120MHz and the

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Nicklas Karlsson
> On Sat, 9 Mar 2019 at 05:48, Kirk Wallace wrote: > > > > I have used AVR chips to add features to LinuxCNC that where not easy to > > do with a parallel port alone. Now I would like to take a try at using > > one of these Blue Pills: > > > https://www.ebay.com/itm/222676944274 > > When I found

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread Nicklas Karlsson
I will look at it, Machinekit use older version of Linuxcnc? or have caught up? > Several library options, some tests done by Luminize in Machinekit. > > > https://github.com/machinekit/machinekit/issues/589 > > https://github.com/luminize/canopen-machinekit > >

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread Nicklas Karlsson
There certainly seems to be some more to get. I have also done some tests with Ethercat and ordinary Ethernet but no ordinary CAN. I also made a small currently hard coded configuration utility and a partial implementation of CiA 309-3 as a gateway integrated in Linuxcnc. Implementation of CiA

[Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread Erik Christiansen
On 09.03.19 22:06, Marshland Engineering wrote: > Hi Erik > > Where do you live? Excuse me for being so ignorant on current news but I just > don't watch it any more. Too much baloney !!! I can only assume California or > Aus. Victoria, Australia. (Dandenong Ranges, on eastern fringe of

[Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread Nicklas Karlsson
DS402 profile is common for motion control both on ordinary CAN networks and CANopen over Ethercat. It would most certainly be of great use to have support for it and other communication profiles like encoder in Linuxcnc. I am currently looking on implementation on Ethercat there SOEM/SOES as

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread andy pugh
On Sat, 9 Mar 2019 at 12:55, Nicklas Karlsson wrote: > > Really? That isn't my experience. Given that the M4 is running at > > 120MHz and the Arduino is 8MHz and both are running the same code? > > No I got it wrong and mixed it with raspberry, I think. Ah, right. I agree that it might be a but

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more? --> Configuration

2019-03-09 Thread John Dammeyer
There is a way to configure CANopen modules on power up. The CANopen master (or some other node delegated to do this) configures locations in a devices object dictionary. This is all done before the CANopen master changes the system from PRE-OPERATIONAL to OPERATIONAL. So a device can be

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more? --> Configuration

2019-03-09 Thread Nicklas Karlsson
On Sat, 9 Mar 2019 08:42:12 -0800 "John Dammeyer" wrote: > There is a way to configure CANopen modules on power up. The CANopen master > (or some other node delegated to do this) configures locations in a devices > object dictionary. This is all done before the CANopen master changes the >

[Emc-users] LCNC logic

2019-03-09 Thread a k
hi i am interesting in LCNC logic - how it work for situation when LCNC command to axis to move 4" , and in case if axis moved only 3" ,for any reason like 1- axis hit obstacle; 2- power wire broke; question-- how LCNC knows that need E-STOP? 1- axis over load with power and because of that

[Emc-users] Dropbox

2019-03-09 Thread N. Christopher Perry
I finally upgraded to 2.7 / Debian Wheezy and am trying to get Dropbox to work on it. When I install any of the packages from the Dropbox sight I ether get dependency problems or after starting it the task crashes. Anybody got suggestions? N. Christopher Perry

Re: [Emc-users] Dropbox

2019-03-09 Thread Chris Albertson
Use the web interface to DropBox. Then no software needs to be installed If you aretrying to move files to the machine, use an NFS mount as it is very reliable and 100X faster. On Sat, Mar 9, 2019 at 10:50 AM N. Christopher Perry wrote: > I finally upgraded to 2.7 / Debian Wheezy and am

Re: [Emc-users] Dropbox

2019-03-09 Thread Ron Buck
Go to stretch:( Ron > On Mar 9, 2019, at 10:48 AM, N. Christopher Perry wrote: > > I finally upgraded to 2.7 / Debian Wheezy and am trying to get Dropbox to > work on it. When I install any of the packages from the Dropbox sight I > ether get dependency problems or after starting it the

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more? --> Configuration

2019-03-09 Thread Nicklas Karlsson
During configuration there are no possibility to pass a string from the *.ini or *.hal file? Only possibility is parameters and hal pins? > Several library options, some tests done by Luminize in Machinekit. > > > https://github.com/machinekit/machinekit/issues/589 > >

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread Nicklas Karlsson
> ... > For more hard real time applications the MilCAN protocol is more ideal > because all the messages are synchronized to SYNC FLAG messages and the > arbitration is limited to within a SYNC FLAG period avoiding jitter on > messages. But there's pretty well nothing available commercially

Re: [Emc-users] LinuxCNC HAL contol flow

2019-03-09 Thread Nicklas Karlsson
On Sat, 9 Mar 2019 08:29:10 -0800 "John Dammeyer" wrote: > I've been trying to decide the best forum to ask this question. Given the > last few subjects on both STM32s and CANopen I'll start here and if not > perhaps someone can point me to a better place or we can take it off line. STM32s

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more? --> Not fast enough

2019-03-09 Thread Nicklas Karlsson
> So CANopen is way different. Far more jitter. If you figure that the > average 8 byte CAN message is really closer to 135 bits with bit stuffing and > CRC each message at 1Mbps is 135 uS. That's only 7.4khz. Even if you used > less data and managed to keep the bit stuffed messages under

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Chris Albertson
Gene, Yes, the Pi has slow I/O but this thread is about the "Blue Pill" board that costs $2.60 with free shipping. SO what I do is build a hybrid. The cheap little STM32F103 has many I/O pins that are robust and even 5 volt tolerent. I use the STM32 to connet to the world and then SPI to

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread John Dammeyer
I've been working with CANopen for the last 20 years or so and with CAN from 1992. Microchip has a CANopen slave stack that you look at although it's optimized for space and speed which means it's not optimized for readability. CANopen isn't really great a real time due to the arbitration

[Emc-users] LinuxCNC HAL contol flow

2019-03-09 Thread John Dammeyer
I've been trying to decide the best forum to ask this question. Given the last few subjects on both STM32s and CANopen I'll start here and if not perhaps someone can point me to a better place or we can take it off line. I'm trying to learn a bit more about the Hardware Abstraction Layer

Re: [Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 10:25:17 Nicklas Karlsson wrote: > > Now if Trump would clean up the swamp like he promised, that will > > accelerate, but his latest appointments have voted with his wallet, > > not the long term good for this ball of rock. > > I thought he said "we should burn coal",

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Chris Albertson
THat is the neat thing about the STM32 range. There is the take $2 chip on the "bluepill" and also the M4 chips with 5X faster clocks and FPUs Here is a nice chart showing STM32 products sorted be speed, power and size. None of these cost much mover $20.The larger ones are Arduino Ono pin

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more? --> Not fast enough

2019-03-09 Thread John Dammeyer
Hi Nicklas When CANopen first came out I was quite resistant to the protocol. But as I've used it more I've come to appreciate it's positives. A lot of COTS devices out there don't support the whole concept of everything configurable with files and on power up. But it doesn't really

Re: [Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread Nicklas Karlsson
> Now if Trump would clean up the swamp like he promised, that will > accelerate, but his latest appointments have voted with his wallet, not > the long term good for this ball of rock. I thought he said "we should burn coal", they started to build electric cars and coal is used to make

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread John Dammeyer
Oh and here's a link to a logic analyzer screen shot of CANbus Arbitration. The two bottom modules are both trying to send at the same time. The top module just receives and at the end of the message inserts the ACK bit. The two bottom pairs arbitrate with the bottom module releasing the

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread Jon Elson
On 03/09/2019 07:05 AM, Nicklas Karlsson wrote: I will look at it, Machinekit use older version of Linuxcnc? or have caught up? Machinekit has diverged from LinuxCNC a bit, but it is not all that old. It has many of the important updates from a few years ago, like the trajectory planner.

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more?

2019-03-09 Thread John Dammeyer
No it's not but that's because MilCAN breaks a very fundamental rule of the CAN bus protocol. A bit of background. CSMA/CD used in the original coax based Ethernet stands for Carrier Sense, Multiple Access with Collision Detection. Each node would listen on the bus and if free would start to

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 08:50:19 grumpy--- via Emc-users wrote: > On Sat, 9 Mar 2019, Gene Heskett wrote: > > On Saturday 09 March 2019 07:53:05 Nicklas Karlsson wrote: > >>> On Sat, 9 Mar 2019 at 11:59, Nicklas Karlsson > >>> > >>> wrote: > I think CPU Cortex-M4 is a lot slower than

Re: [Emc-users] Dropbox

2019-03-09 Thread N. Christopher Perry
> On Mar 9, 2019, at 2:16 PM, Chris Albertson wrote: > > Use the web interface to DropBox. Then no software needs to be installed What browser do you recommend? Chrome doesn’t seem to like Wheezy. > > If you aretrying to move files to the machine, use an NFS mount as it is > very reliable

Re: [Emc-users] Dropbox

2019-03-09 Thread Chris Albertson
I think Iceweasel is the default web browser. When using older OS on low powered hardware, stick with defaults. But I think you can get Firefox to work but why? On Sat, Mar 9, 2019 at 11:40 AM N. Christopher Perry wrote: > > > > On Mar 9, 2019, at 2:16 PM, Chris Albertson > > wrote: > >

[Emc-users] Mali Drivers are Open Source Now

2019-03-09 Thread bari
http://linux-sunxi.org/Mali This is good news if you want a totally open source system using many of the Allwinner or Rockchop multicore ARM SOC's for Linuxcnc. Needs no funny binary blob like the Rpi for boot ot GPU. -Bari ___ Emc-users mailing

Re: [Emc-users] Dropbox

2019-03-09 Thread N. Christopher Perry
On Mar 9, 2019, at 3:13 PM, Chris Albertson wrote: > > I think Iceweasel is the default web browser. Iceweasel chokes when I got to the Dropbox sight. > When using older OS > on low powered hardware, stick with defaults. But I think you can get > Firefox to work but why? > > > On Sat,

Re: [Emc-users] Mali Drivers are Open Source Now

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 15:45:57 bari wrote: > http://linux-sunxi.org/Mali > > This is good news if you want a totally open source system using many > of the Allwinner or Rockchop multicore ARM SOC's for Linuxcnc. > > Needs no funny binary blob like the Rpi for boot ot GPU. > > -Bari > Typical,

Re: [Emc-users] CANopen: SOEM/SOES, CANfestival, anything more? --> Not fast enough

2019-03-09 Thread Nicklas Karlsson
On Sat, 9 Mar 2019 10:59:15 -0800 "John Dammeyer" wrote: > Hi Nicklas > > When CANopen first came out I was quite resistant to the protocol. But as > I've used it more I've come to appreciate it's positives. A lot of COTS > devices out there don't support the whole concept of everything

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread John Dammeyer
Hey Chris, AFAIK, the Pi has better HDMI support compared to the Beagle but then it was designed more for multimedia. The Beagle PRUs have the advantage that they have access to some of the Beagle Processor RAM. That gives them a bit of an advantage over the PI/32 bit hybrid using SPI. > >

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Chris Albertson
On Sat, Mar 9, 2019 at 12:39 PM Gene Heskett wrote: > > Thats doing pretty good, but you're in the realm of on-offs no one else > can fix too. I find thats the major objection to the pi, no one knows > how it works but me. > Sorry, but I completely missed this comment? "the realm of on-offs

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 16:49:34 Chris Albertson wrote: > On Sat, Mar 9, 2019 at 12:39 PM Gene Heskett wrote: > > Thats doing pretty good, but you're in the realm of on-offs no one > > else can fix too. I find thats the major objection to the pi, no one > > knows how it works but me. > >

Re: [Emc-users] Emc-users Digest, Vol 155, Issue 37

2019-03-09 Thread Alan Condit
Gene, Pine64 says Rock64 available LTS until 2022. So, the RockPro64 hasn’t replaced it, just supplemented it. Even the A64+ that I bought is still available, although there is an upgraded A64+ LTS available for $3 more, so why would you buy it. I still like the feature set of the RockPro64, I

Re: [Emc-users] LinuxCNC HAL contol flow

2019-03-09 Thread andy pugh
On Sat, 9 Mar 2019 at 16:31, John Dammeyer wrote: > How does a simple test like: > > if (COOLANT_SWITCH == 1) PUMP1 = 1; else PUMP1 = 0; > > become abstracted through the HAL into the actual low level? Skipping all the other stuff that I can't answer In HAL that is "net some_signal

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Nicklas Karlsson
> ... The PID loops work fine even > using low-end STM32 chips Yes these chips are really good. ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 14:12:43 Chris Albertson wrote: > Gene, > > Yes, the Pi has slow I/O but this thread is about the "Blue Pill" > board that costs $2.60 with free shipping. > > SO what I do is build a hybrid. The cheap little STM32F103 has many > I/O pins that are robust and even 5

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread John Dammeyer
> -Original Message- > From: Chris Albertson [mailto:albertson.ch...@gmail.com] > The STM32 has no problem with MHz level bit flipping. Reading or > creating is MHz level is not hard. > And the Pi3 has to be about the most well understood and documented > machines on Earth. they >

Re: [Emc-users] STM32 Blue Pill

2019-03-09 Thread Kirk Wallace
On 3/8/19 11:55 PM, Chris Albertson wrote: The easy way to program a "Blue Pill" is with the Arduino IDE. ... The way you program this is to just connect them to the USB port like an Arduino. But the key is you need to first load a boot loader into the chip. ... Which boot loader? I got my

[Emc-users] I think this new stuff hates me.

2019-03-09 Thread Gene Heskett
Greetings all; I tore the new conact probe apart today to see if I could get a better switching action out of it, polishing the oxide off both faces of its single contact. Looks like its working well although I had to turn the spacing down about 2 thou to make the led on a CiG rev 4 bob, the

Re: [Emc-users] LCNC logic

2019-03-09 Thread Jon Elson
On 03/09/2019 12:05 PM, a k wrote: hi i am interesting in LCNC logic - how it work for situation when LCNC command to axis to move 4" , and in case if axis moved only 3" ,for any reason like 1- axis hit obstacle; 2- power wire broke; question-- how LCNC knows that need E-STOP? If your servo

Re: [Emc-users] Mali Drivers are Open Source Now

2019-03-09 Thread bari
On 3/9/19 6:05 PM, Gene Heskett wrote: > On Saturday 09 March 2019 15:45:57 bari wrote: > >> http://linux-sunxi.org/Mali >> >> This is good news if you want a totally open source system using many >> of the Allwinner or Rockchop multicore ARM SOC's for Linuxcnc. >> >> Needs no funny binary blob

Re: [Emc-users] LinuxCNC HAL contol flow

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 21:01:02 andy pugh wrote: > On Sat, 9 Mar 2019 at 16:31, John Dammeyer wrote: > > How does a simple test like: > > > > if (COOLANT_SWITCH == 1) PUMP1 = 1; else PUMP1 = 0; > > > > become abstracted through the HAL into the actual low level? > > Skipping all the other

Re: [Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread Erik Christiansen
On 10.03.19 02:40, andy pugh wrote: > On Sat, 9 Mar 2019 at 17:55, Gene Heskett wrote: > > > Electricity could with the right push, be solar. It is increasingly so in Australia, Gene. The nascent multi-billion push to build pumped hydro storage, a decade earlier than thought likely, is because

Re: [Emc-users] OT: Where's them fires. [Was: Re Converational mode.

2019-03-09 Thread andy pugh
On Sat, 9 Mar 2019 at 17:55, Gene Heskett wrote: > Electricity could with the right push, be solar. I would rather it was fusion. it looks like we can get by at the current level with renewables. One day a couple of years ago the UK was > 50% renewable. (low load sunny and windy day) We have

Re: [Emc-users] OT: Where's them fires. [Was: Re Conversational mode.

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 21:40:10 andy pugh wrote: > On Sat, 9 Mar 2019 at 17:55, Gene Heskett wrote: > > Electricity could with the right push, be solar. > > I would rather it was fusion. > > it looks like we can get by at the current level with renewables. One > day a couple of years ago the

Re: [Emc-users] LinuxCNC HAL contol flow

2019-03-09 Thread John Dammeyer
> > On Sat, 9 Mar 2019 at 16:31, John Dammeyer > wrote: > > > How does a simple test like: > > > > > > if (COOLANT_SWITCH == 1) PUMP1 = 1; else PUMP1 = 0; > > > > > > become abstracted through the HAL into the actual low level? > > > > Skipping all the other stuff that I can't answer > > > >

Re: [Emc-users] LinuxCNC HAL contol flow

2019-03-09 Thread Gene Heskett
On Saturday 09 March 2019 22:44:19 John Dammeyer wrote: > > > On Sat, 9 Mar 2019 at 16:31, John Dammeyer > > > > > > > wrote: > > > > How does a simple test like: > > > > > > > > if (COOLANT_SWITCH == 1) PUMP1 = 1; else PUMP1 = 0; > > > > > > > > become abstracted through the HAL into the actual

[Emc-users] Fixing the deserts.

2019-03-09 Thread Marshland Engineering
Hi Erik I know you are up to eyeballs at the moment, but here is a really interesting TED talk. https://www.ted.com/talks/allan_savory_how_to_green_the_world_s_deserts_and_reverse_climate_change#t-1320745 Can this work in Aus ? PS I'm originally from Africa, Zambia. Thanking you Wallace

Re: [Emc-users] LinuxCNC HAL contol flow

2019-03-09 Thread andy pugh
On Sun, 10 Mar 2019 at 03:46, John Dammeyer wrote: > But I don't think LinuxCNC nor MachineKit compiles this into C code. So how > is this indirection used? Each component reads its inputs and computes its outputs every thread cycle (servo or base, depending on which one it is addf-ed to)

Re: [Emc-users] LinuxCNC HAL contol flow

2019-03-09 Thread John Dammeyer
Thanks Andy, Busy studying (again) http://linuxcnc.org/docs/2.7/html/hal/basic-hal.html John > -Original Message- > From: andy pugh [mailto:bodge...@gmail.com] > Sent: March-09-19 7:55 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] LinuxCNC HAL contol flow > > On

Re: [Emc-users] OT: Where's them fires. [Was: Re Conversational mode.

2019-03-09 Thread Gregg Eshelman via Emc-users
Three Mile Island's containment worked. Only a small amount of radioactive steam got outside. What prolonged the incident was the location of an indicator lamp. While the crew was clustered in one spot trying to figure out where all the water they were pumping into the core was going, the light