To use the node in your project you should have the jdavis-nodes/fastaccelstepper library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_DO
node {
void evaluate(Context ctx) {
// Get the stepper instance
auto stepper = getValue<input_DEV>(ctx);
if (isSettingUp()) {
// Short-circuit DEV and DEV'
emitValue<output_DEVU0027>(ctx, stepper);
}
// Check for valid stepper instance
if (!stepper) {
raiseError(ctx); // Invalid stepper instance
return;
}
// Handle new move command
if (isInputDirty<input_DO>(ctx)) {
// Get the position parameter
auto position = getValue<input_POS>(ctx); // Target position in steps
// Start moving to the position
stepper->moveTo(position);
emitValue<output_ACK>(ctx, 1);
}
}
}