set-position

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);
        }

        // Only proceed if the DO input is dirty (pulsed)
        if (!isInputDirty<input_DO>(ctx))
            return;

        // Get the mode and speed value
        //auto mode = getValue<input_MODE>(ctx); // 0 = us, 1 = ticks, 2 = Hz, 3 = milliHz
        
        auto new_pos = getValue<input_POS>(ctx); // Speed value in selected unit

        int8_t result = -1;

        result = stepper->setCurrentPosition(int32_t new_pos);

        // Check if the operation was successful
        if (result != 0) {
            raiseError(ctx); // Speed setting failed
            return;
        }

        // Emit a pulse to indicate the action was successful
        emitValue<output_ACK>(ctx, 1);
    }
}