Advanced Search

The connections look OK

If you set the PWM value to 0, does GPI0 017 go false?

I don't see that the PWM scale was set so anything >= 1 will be full scale
(default PWM scaling is 1.00 = full scale)

If the PWM values are in percent, you probably wantsetp hm2_7i76e.0.pwmgen.00.scale 100

in the hal file



 

I've got to get better at asking the right questions... Using the old config:

signal 'sj'
motion.analog-out-00, and
hm2_7i76e.0.pwmgen.00.value

All these values update as M67 changes the output.

hm2_7i76e.0.gpio.017.in toggles to True when the gcode starts running.

Does everything seem mapped right for the PWM to reach pin 1 on a 5 axis breakout board? Should that be on hm2_7i76e.0.gpio.017.in? Maybe the code is fine, and I should be chasing down a hardware issue?

Agreed, this has had me stall posting for a few weeks...Pretty sure I was using 2.7.14 when setting up the 7i76e, and 2.8.2 most recently.I've not been great with version control, while moving across computers and machines. These might be the last working files, but unsure...  Laser signal as 'sj' in line 39

Long story short, I need help getting laser control working again.

Setup was functional with the main diode laser (which failed one day), then edited to use a cheaper diode laser.  I tried switching everything back over after repairing the main laser, and it's been a downward spiral.

I'm now pot committed to starting from scratch.  Setup is a 7i76e, with a 5 axis BoB on expansion port P1.  OS has been upgraded to 2.9.4, and 7i76e_7i76x1_5abobpD.bit has been flashed to the board.   

The attached config is just a basic pncConf output.  Any guidance for implementing PWM would be greatly appreciated.