On 10/26/19 10:16 PM, andy pugh wrote:
On Sat, 26 Oct 2019 at 00:23, Marshland Engineering <
[email protected]> wrote:
Can a PI be used directly to drive the 2 stepper drives for this
application ? Maybe just needs a break out board for the IO connections.
I don't think it is 100% simple with LinuxCNC as there isn't a hal
driver for the Pi GPIO.
https://github.com/LinuxCNC/linuxcnc/tree/master/src/hal/drivers
Machinekit has one (hal_gpio)
https://github.com/machinekit/machinekit/tree/master/src/hal/drivers
But it hasn't been ported across to LinuxCNC. I don't know how much
work it would be to do so.
re: rpi hal_gpio module
a gent named K L Chan wrote it
and I posted it in the wikia while back
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?RPi3BPreemptRT#buildhalgpio
4) ADD THE MAGIC hal_gpio module TO DRIVE REAL MOTORS, READ LIMITS, AND
RULE THE WORLD PINKY
hth
tomp tjtr33*
*
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