From ffcea81e57c5690013307ff638cfe717ed74e9b7 Mon Sep 17 00:00:00 2001
From: Christian Colglazier <christian@cacolglazier.com>
Date: Fri, 4 Feb 2022 21:24:02 -0500
Subject: [PATCH] Basic sequencer controls

---
 src/droplets/sequencer_droplet.cpp | 21 ++++++++++++++++++++-
 src/droplets/sequencer_droplet.h   |  6 +++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/src/droplets/sequencer_droplet.cpp b/src/droplets/sequencer_droplet.cpp
index caaf747..0b5f862 100644
--- a/src/droplets/sequencer_droplet.cpp
+++ b/src/droplets/sequencer_droplet.cpp
@@ -5,6 +5,7 @@ SequencerDroplet::SequencerDroplet(DaisyPatch* m_patch,
 				 float sample_rate) :
   Droplet(m_patch,
 	  m_state) {
+  SetControls();
 }
 
 SequencerDroplet::~SequencerDroplet() {}
@@ -16,11 +17,20 @@ void SequencerDroplet::Control() {
   if(Patch()->gate_input[1].Trig()) {
     Reset();
   }
+
+  for (size_t chn = GetChannelMin(); chn < GetChannelMax(); chn++) {
+    sequence[chn+selected] = control[chn].Process();
+  }
+  
 }
 
 void SequencerDroplet::Process(AudioHandle::InputBuffer in,
 			      AudioHandle::OutputBuffer out,
 			      size_t size) {
+  for(size_t i = 0; i < size; i++) {
+    Patch()->seed.dac.WriteValue(DacHandle::Channel::ONE,
+				 sequence[step] * 819.2f);
+  }
 }
 
 void SequencerDroplet::Draw() {
@@ -30,7 +40,16 @@ void SequencerDroplet::Draw() {
 
 void SequencerDroplet::UpdateStateCallback() {}
 
-void SequencerDroplet::SetControls() {}
+void SequencerDroplet::SetControls() {
+  control[0].Init(Patch()->controls[Patch()->CTRL_1],
+	      0.0, 5.0f, Parameter::LINEAR);
+  control[1].Init(Patch()->controls[Patch()->CTRL_2],
+	      0.0, 5.0f, Parameter::LINEAR);
+  control[2].Init(Patch()->controls[Patch()->CTRL_3],
+	      0.0, 5.0f, Parameter::LINEAR);
+  control[3].Init(Patch()->controls[Patch()->CTRL_4],
+	      0.0, 5.0f, Parameter::LINEAR);
+}
 
 void SequencerDroplet::Step() {
   step = (step + 1) % MAX_SEQUENCE_LENGTH;
diff --git a/src/droplets/sequencer_droplet.h b/src/droplets/sequencer_droplet.h
index dccb159..24e749a 100644
--- a/src/droplets/sequencer_droplet.h
+++ b/src/droplets/sequencer_droplet.h
@@ -10,11 +10,15 @@
 #include "../util.h"
 
 #define MAX_SEQUENCE_LENGTH 32
+#define CONTROL_DEADZONE = 0.01f
 
 class SequencerDroplet: public Droplet {
 private:
   int step = 0;
-  float swquence[MAX_SEQUENCE_LENGTH] = { 0.0f };
+  int selected = 0;
+  float sequence[MAX_SEQUENCE_LENGTH] = { 0.0f };
+  Parameter control[4];
+  float last_control_value[4] = { 0.0f };
 
   /*
    * Set the sequencer to the next step.