[Grbl_Esp32 Issue#597] Multiple spindel modes in parallel (Laser PWM & Servo PWM)

#1 – bdring 于 2020-09-18

We are working on a feature to dynamically change hardware features. This means you could probably create a macro to change modes at the click of a button in the WebUI.

We have no plans to have multiple spindle types active at the same time.

#2 – dnmnsmith 于 2020-10-13

Looking forward to it.

I’m doing the same, switching between Laser and Relay type spindles on different pins. It’s tricky in the code as it stands, as they are both PWM variants, so they pick up the same pin definitions.

My solution at the moment is a default constructor on PWM passing the pins:

PWM(uint8t outputpin = UNDEFINEDPIN, uint8t enablepin = UNDEFINEDPIN);

The default in PWM is to take the normal pin definitions (SPINDLEOUTPUTPIN etc) if the pins are UNDEFINED, as above or accept these values if set.

Laser can then over-ride the pins for its usage:

Laser() : PWM( LASEROUTPUTPIN, LASERENABLEPIN ) { }

However, I suspect the best solution is more general purpose than this; with the more general purpose config settings the pins would probably better be set that way for each spindle type. I don’t want to offer my changes for merge for this reason, but if anyone wants to use this in the meantime until the official solution is avaible, do shout.