On 17 May 2018 at 13:34, Maxime Lemonnier <maxime.lemonn...@gmail.com> wrote:
> I would like to configure HAL to simply zero-out channel 7 when it receives
> the trigger pulse, then I would write a comp that output the position at
> which the trigger was pulsed using the delta between encoder 3 and 7.
If you are writing a custom .comp then I would source the index-enable
signal from that.
It isn't clear from your description precisely when you want this to
happen, but I imagine that choosing the conditions is also something
easiest inside the custom component.
HAL comps for jobs like this tend to be coded as a state machine:
pin out signed state = 0;
pin in float input1;
pin in float input2;
pin out float output;
...
;;
switch state{
case 0: //readiness state
if (conditions){
state = 1;
index_enable = 1;
}
case 1: // waiting for index
if (! index_enable){
state = 2;
output = input1 - input2;
state = 2;
}
case 2: // we don't really need this state
state = 0;
}
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916
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