On Friday 19 June 2020 13:05:35 Gene Heskett wrote: > On Friday 19 June 2020 12:58:06 Chris Albertson wrote: > > I few more things about Marlin 2.0 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > You likey will not be able to turn on all the features at the same > > time because it will not fit into memory. You can determin this on > > your Linux system. Simply download from Github and do a compile in > > the Arduino IDE and see the size of the image. No need to connect > > any hardware to do this. Just run the compiler. > > > > THis new Marlin 2.0 suports 32-bit controler cardsbased on ARM. > > These cards have dramatically more memory than Marlin can use. So > > you can enable "everything" like automatic bed leveling, SD card > > reading, Touch screen and power failure recovery. Aneat feature to > > have a filament sensor to stop prints if there is no filament (the > > sensor is just a microswitch.) With an 8-bit AVR chip you have to > > pick and choose features > > > > Theother way to add better features to the printer is OctoPrint. > > It runs on Linux and adds a web based interface to the printer with > > drag and drop printing. Also it has very good status > > checking including a webcam interface so you can look. > > That sounds interesting, I'll see if I can find it. Thanks. > I did, $125 for the full kit. I'll have to see if I last long enough to use it.
> > Go to the Marlin Github page and clone the repository. Then sign up > > for change notifications. If using Marlin you REALLY need to be > > using Git so you have a localhistory of you experiments and edits. > > and then when the master on github changes you can merge with local > > edits. > > > > On Fri, Jun 19, 2020 at 9:35 AM Chris Albertson > > <albertson.ch...@gmail.com> > > > > wrote: > > > You can't connect directly to a PC. You physically wire an > > > Arduino "Uno" to the controller board, Then install programmer > > > software in the Arduino, in effect turning the Arduino into a > > > programmer. Then the Arduino is connected via USB to a PC. The > > > PC can run any OS. > > > > > > Then what you load onto the controller board is NOT the new Marlin > > > firmware but a "boot loader". A boot loader is what is inside > > > every Arduino and is what makes them an "Arduino and not just a > > > dumb AVR chip. Using an Arduino to install a bootloader is a > > > common thing and is not special to the Ender3 printer. > > > > > > OK, now that you have and Ender with a bootloader you can use any > > > PC, Linux, Mac or whatever to load "sketches" into the Arduino > > > board you now have in your printer. > > > > > > Why is there no boot loader in your printer? I don't know but > > > one guess is they wanted to use the memory for something else. > > > Boot loader take up a few hunderd bytes and on these tiny 8-bit > > > chips EVERY byte matters. > > > > > > On Linux CNC to modify a configuration you edit an INI file or a > > > HAL file and re-launch the software. In Marlin you must edit the > > > C++ code, re-compile and re-flash the chip. Many times you need > > > to disable features to make the code fit. > > > > > > If you are going to swap firmware, you might first verify you know > > > how to re-install the factory frmware, just incase you find you > > > can't fit Marlin 2.0 into the controller's memory or if you make a > > > mistake with the editor and introduce a bug. In any case, you > > > need an Arduino to use as a programmer. > > > > > > The Arduino IDE is identical under windows, Mac or Linux. Get that > > > and play with it and see if you can do simple exercises like make > > > an LED blink with different patterns BEFORE trying to change the > > > firmware. > > > > > > If you have to buy an Arduino, the cheap eBay clones are just as > > > good. Arduino is "Open Source" so the clones are made from > > > published designes and really do work identically. Buy two of > > > them soyou can test out the new Marlin 2.0 on a $6 Arduino before > > > you commit to loading it to the printer. > > > > > > > > > Then there are peopleusing LinuxCNC to drive 3D printers. Seems > > > silly to use a PC and a Mesa card when a $6 Aruduino can do the > > > same job. > > > > > > On Fri, Jun 19, 2020 at 7:28 AM Gene Heskett > > > <ghesk...@shentel.net> > > wrote: > > >> On Friday 19 June 2020 10:10:16 Gene Heskett wrote: > > >> > I can see bed, nozzle tmps, as they heat from a locally > > >> > launched render of yet another 5x5x5, but not the filename or > > >> > anything else the printer might be doing. > > >> > > > >> > Am I supposed to see it all? > > >> > > > >> > Thanks, but puzzled. I'll let it finish the 5x5x5 so I can > > >> > check dimensions since I can't stop it from this machine. I > > >> > have it useing enough string now so the 5x5x5 is probably fat. > > >> > > > >> > It finds the printer but I haven't actually added it to the > > >> > list, maybe it takes that to do it all? I can't abort this > > >> > locally started print from here. > > >> > > > >> > Cheers, Gene Heskett > > >> > > >> And I just found a limitation that pisses me off, there is better > > >> firmware, Marlin 2.0, for it, but it only installs from a winders > > >> box over spi via a presumably very short cable from some sort of > > >> an spi adapter. Has anyone made that work from Linux? > > >> > > >> Thanks. > > >> > > >> Cheers, Gene Heskett > > >> -- > > >> "There are four boxes to be used in defense of liberty: > > >> soap, ballot, jury, and ammo. Please use in that order." > > >> -Ed Howdershelt (Author) > > >> If we desire respect for the law, we must first make the law > > >> respectable. - Louis D. Brandeis > > >> Genes Web page <http://geneslinuxbox.net:6309/gene> > > >> > > >> > > >> _______________________________________________ > > >> Emc-users mailing list > > >> Emc-users@lists.sourceforge.net > > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > -- > > > > > > Chris Albertson > > > Redondo Beach, California > > Cheers, Gene Heskett Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
