On 16 August 2013 15:15, Troy Jacobson <t...@thismuch.net> wrote: > I've started a Python module to control heaters for extruders and build > platforms.
I am slightly puzzled about what this module does that the existing PID controller can't do. > Right now, it does two things: > 1) Bypasses the PID controller during the initial heating period. When the > heater temperature is below the set temperature by some value > (configurable), a constant value (configurable) will be sent to the PWM > controller. This sounds similar in function to the existing PID output limit. > 2) Monitors the heater temperature, and when it is within a range > (configurable) of the set temperature for a period of time (configurable), > it will set a bit indicating that the heater is ready. This bit is used by > the "set temp and wait" M codes. And this sounds like the PID "is-saturated" pin would have a similar effect. (or a wcomp on the error output). Also, why in Python? "comp" makes writing realtime HAL components really easy. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
