Steppig with an arduino timer interrupt is ridiculously simple just using a
simple squarewave
Just set steps to the number of steps to move and it will go.
#define TIMER_DELAY 80
volatile long steps = 0;
void setup()
{
// Initialize the digital pin as an output.
// Pin 13 has an LED connected on most Arduino boards
pinMode(ledPin, OUTPUT);
pinMode(stepPin, OUTPUT);
pinMode(dirPin, OUTPUT);
Timer1.initialize(TIMER_DELAY); // set a timer of length in microseconds
(or 0.1 sec - or 10Hz)
Timer1.attachInterrupt( timerIsr ); // attach the service routine here
// Status LED initially on.
digitalWrite(ledPin, HIGH);
}
/// --------------------------
/// Custom ISR Timer Routine
/// --------------------------
void timerIsr()
{
// Toggle LED
if(steps){
digitalWrite( ledPin, digitalRead( ledPin ) ^ 1 );
state = state ^ 1;
digitalWrite( stepPin, state );
steps--;
}
}
Rod Webster
*1300 896 832*
+61 435 765 611
Vehicle Modifications Network
www.vehiclemods.net.au
On Thu, 11 May 2023 at 21:53, andy pugh <bodge...@gmail.com> wrote:
> On Thu, 11 May 2023 at 12:45, gene heskett <ghesk...@shentel.net> wrote:
>
> > So I need to hack up in hal. or maybe python, something that could take
> > a true or false signal and issue the correct steps/dir to position the
> > motor in one of two positions.
>
> What two positions? Do do what?
>
> The latest version of the carousel.comp can output stephen position
> commands based on selected pocket.
> But might be overkill for what you need, or might also be inadequate.
>
> --
> 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, 1912
>
>
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