Got first rough prototype of the MidiP node going

src/dsp/node_midip.rs

@@ -85,8 +85,7 @@ impl DspNode for MidiP {
         outputs: &mut [ProcBuf],
         ctx_vals: LedPhaseVals,
     ) {
-        let out_i = out_idx::MidiP::freq();
-
+        let out_i = out_idx::MidiP::gate();
         let (freq, r) = outputs.split_at_mut(out_i);
         let (gate, vel) = r.split_at_mut(1);
         let freq = &mut freq[0];

src/nodes/note_buffer.rs

@@ -42,11 +42,18 @@ impl NoteBuffer {
         }
     }
 
+    #[inline]
+    pub fn step_to(&mut self, buf_idx: usize) {
+        while self.buf_idx < (buf_idx % MAX_BLOCK_SIZE) {
+            self.step();
+        }
+    }
+
     #[inline]
     pub fn step(&mut self) {
         let cur = self.buf_idx;
         let next = (self.buf_idx + 1) % MAX_BLOCK_SIZE;
-        println!("COPY {}..{} => {}", (cur * 16), ((cur + 1) * 16), next * 16);
+        //d// println!("COPY {}..{} => {}", (cur * 16), ((cur + 1) * 16), next * 16);
         self.interleaved_chans.copy_within((cur * 16)..((cur + 1) * 16), next * 16);
         self.buf_idx = next;
     }