Extruder and firmware

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Ricky1966
Posts: 49
Joined: Wed Oct 17, 2018 8:56 pm

Extruder and firmware

Post by Ricky1966 » Tue Feb 19, 2019 9:10 pm

Hi everybody. I want to dive inside an hard upgrade of my A10. I want to try to implement a three channels hotend. Now in order to this, I want to understand in the deep the firmware. I've take the Configuretion.h files of both firmware of A10 and A10M, and looking for founding the difference between.I expected to find a #define EXTRUDER 2 on A10M and #define EXTRUDER 1 on A10, but all have 1. My question is, where I can find the setup of second stepper (extruder motor)?

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William
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Posts: 6331
Joined: Tue Jun 07, 2016 9:38 am

Re: Extruder and firmware

Post by William » Wed Feb 20, 2019 10:59 am

I think I should correct it.
The A10M use the 2-in-1 hotend with 2 extruder.
It means you need to define the mixer setting on Configuration.h.


/**
* "Mixing Extruder"
* - Adds a new code, M165, to set the current mix factors.
* - Extends the stepping routines to move multiple steppers in proportion to the mix.
* - Optional support for Repetier Firmware M163, M164, and virtual extruder.
* - This implementation supports only a single extruder.
* - Enable DIRECT_MIXING_IN_G1 for Pia Taubert's reference implementation
*/
#define MIXING_EXTRUDER
#if ENABLED(MIXING_EXTRUDER)
#define MIXING_STEPPERS 2 // Number of steppers in your mixing extruder
#define MIXING_VIRTUAL_TOOLS 16 // Use the Virtual Tool method with M163 and M164
//#define DIRECT_MIXING_IN_G1 // Allow ABCDHI mix factors in G1 movement commands
#define GRADIENT_MIX // Apply a gradient between mixes over several layers
#endif
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