There are no special encoder signals which must be interpreted in real-time and the whole package of numbers could come from a single file, which maybe would be relatively big so that it would be a good idea to load it from a sd card or an external flash chip. The hardware would consist of three stepper-axis with the proper stepper drivers. At the moment I can't describe it more detailed.
#Image to gcode converter software Pc#
The special situation is that it must run without a pc because it should be very simple and portable. I want to Build a machine which does some 3-dimensional cnc-tasks.
Ok, i just want to describe more exactly why i do Not want to use a PC for my Project. "because that is how we always have done it". I notice that programs like Mach3 which control the steppers directly also take Gcode as the input from some other program.īut the biggest motivator is probably TRADITION. Well, may be that could be done with a lower-level software, too. On the other hand when spooling a print of an SD card, you can adjust some running parameters (like the speed) on the fly, as these are below the Gcode layer. (In fact I know of at least two equally used modes of comments - one where the line starting with # is a comment and one where enclosing text in round brackts is a comment. Also the slicer needs to know which dialect of Gcode the printer can cope with. "retract head slightly and the filament when moving to another section" Here the slicer generates several lines of Gcode to do something that should be internal. However most slicers need to know much of the printer anyhow in order to generate a good Gcode. Gcode in the 3D printer (or CNC etc) masks the interal workings of the device (turns/mm stuff, postive end stop), yes. While the Arduino is executing the move the PC can send the data for next move. The number of microseconds between each step for the X axis motor The total number of microseconds for the move (which will take account of desired tool speed) My intention is to send to the Arduino the following data for each move I am slowly (when the humour takes me) doing a project like this myself. When it comes time to use the numbers the PC will have a short program that just sends data from the numbers file as requested by the Arduino. The PC program would store the numbers in another file. Then you could have a small function for each command that would convert its data into the appropriate stepper numbers. It should be fairly straightforward to write a PC program that would work through a text file containing G-Code and pick out the different commands. I think you will see that there has to be a simple and fixed relationship between the G-Code numbers and the stepper numbers. (all numbers just chosen at random for illustration). Suppose the X stepper needs 1400 steps for 200mm and the Y stepper needs 882 steps for 147 mm. What do your stepper motors have to do to make that happen. I can't immediately remember how a G-Code line is specified but suppose it tells the tooltip to move 200mm on the X axis and 147mm on the Y axis. But it's not very difficult, at least for the more common GCodes.
#Image to gcode converter software software#
So do you know a pc software to convert my g code to a arduino-compatible and stepper-readable file? And, equally, it doesn’t matter how long it takes to convert the G-Code to numbers because there are no tool-movements anxiously waiting for the next movement data. Also if the interpretation of the G-Code is separated from the control of the motors it doesn’t use up valuable CPU time on the Arduino. The file might as well be just a set of numbers for the movements of the stepper motors that have already been figured out on the PC which has far more computing power. In either case data has to come from a file (on a PC or on an SD Card) because the Arduino doesn’t have enough SRAM to store a whole G-Code sequence. I’ve never understood why people choose to interpret G-Code on an Arduino rather than on a PC.
So do you know a pc software to convert my g code to a arduino-compatible and stepper-readable file?Ĭan you give more detail of what you want your Arduino to do? Maybe its not a real arduino problem in general to convert the g code nto stepper-numbers, but in a way it is, because i maybe need to communicate with some kind of arduino-specific stepper library. But how do i get a file in a form of a set of numbers for the stepper-movements?