Success is bldc init on startup of axis, and enable on machine on. This is the
hal fragment:
net machine-is-on halui.machine.is-on pid.0.enable
net estop-out iocontrol.0.user-enable-out bldc.0.init
hm2_7i43.0.3pwmgen.03.enable
net all-are-init bldc.0.init-done => iocontrol.0.emc-enable-in
Unsuccess is inability to get out of estop or turn machine on, with this
fragment:
net machine-is-on halui.machine.is-on pid.0.enable bldc.0.init
hm2_7i43.0.3pwmgen.03.enable
net all-are-init bldc.0.init-done => iocontrol.0.emc-enable-in
Looking at bldc.comp (version 1.3.2) lines 475 to 483, it would appear that a
new rising
edge on init after init-done is high should restart things:
if ((personality & 0x05) == 4){
if (init && !old_init && init_done) {
init_done = 0;
in_type = -1;
}
else {
old_init = init;
}
}
Thanks again,
-- Ralph
________________________________________
From: andy pugh [bodge...@gmail.com]
Sent: Wednesday, July 23, 2014 12:04 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] pins for bldc init and drive enable
On 23 July 2014 17:46, Ralph Stirling <ralph.stirl...@wallawalla.edu> wrote:
> I've tried, without success, connecting bldc.0.init to
> halui.machine.is-on.
What is the manifestation of the unsuccess?
I suspect that the problem is that bldc doesn't un-synch when un-enabled.
If you look at
http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=blob;f=src/hal/components/bldc.comp;h=20c882ed95966d2b727e8b402b1e639907d22b85;hb=f32900ca49781e03d6094f77aef25d5b6446814c#l467
(line 467 onwards) I don't see any way to get your in-type back to a
non-homed state, and it is a read-only parameter.
You could edit line 111 to make the param rw so that it can be re-set
to -1. You would need to then reset it with a halcmd script (as params
can't be part of a net)
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
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