Begin init patches

patches/init/oscillator/Makefile

@@ -0,0 +1,18 @@
+# Project Name
+TARGET = Oscillator
+
+# Source Files
+CPP_SOURCES = oscillator.cpp
+
+# Library Directories
+LIBDAISY_DIR = ../../../vendor/libDaisy
+LIBCORTEX_DIR = ../../../lib/cortex
+
+# Include Cortex library
+C_INCLUDES += -I$(LIBCORTEX_DIR)/src
+LIBS += -lcortex
+LIBDIR += -L$(LIBCORTEX_DIR)/target/release
+
+# Include Daisy library Makefile
+SYSTEM_FILES_DIR = $(LIBDAISY_DIR)/core
+include $(SYSTEM_FILES_DIR)/Makefile

patches/init/oscillator/oscillator.cpp

@@ -0,0 +1,39 @@
+#include "daisy_patch_sm.h"
+#include "cortex.h"
+
+using namespace daisy;
+using namespace patch_sm;
+
+DaisyPatchSM hardware;
+cortex::Oscillator oscillator(cortex::DEFAULT_CONTEXT, 220.0f);
+
+void AudioCallback(AudioHandle::InterleavingInputBuffer in,
+    AudioHandle::InterleavingOutputBuffer out,
+    size_t size)
+{
+    hardware.ProcessAllControls();
+
+    float coarse_knob = hardware.GetAdcValue(CV_1);
+    float coarse = cortex::map(coarse_knob, 36.f, 96.f);
+
+    float voct_cv = hardware.GetAdcValue(CV_5);
+    float voct = cortex::map(voct_cv, 0.f, 60.f);
+
+    float midi_nn = cortex::clamp(coarse + voct, 0.f, 127.f);
+    float freq = cortex::midi_to_frequency(midi_nn);
+
+    oscillator.SetFrequency(freq);
+
+    for (size_t idx = 0; idx < size; idx += 2) {
+        auto sample = (float) oscillator.Generate();
+        out[idx] = sample;
+        out[idx + 1] = sample;
+    }
+}
+
+int main(void) {
+    hardware.Init();
+    hardware.StartAudio(AudioCallback);
+
+    while(1) {}
+}

patches/seed/oscillator/oscillator.cpp

@@ -5,21 +5,14 @@ using namespace daisy;
 using namespace cortex;
 
 DaisySeed hardware;
-
-Context context {
-    (size_t)hardware.AudioSampleRate(),
-    2,
-    hardware.AudioBlockSize(),
-};
-
-Oscillator oscillator(context, 110.0f);
+Oscillator oscillator(DEFAULT_CONTEXT, 110.0f);
 
 void AudioCallback(AudioHandle::InterleavingInputBuffer in,
     AudioHandle::InterleavingOutputBuffer out,
     size_t size)
 {
     for (size_t idx = 0; idx < size; idx += 2) {
-        auto sample = (float)oscillator.Generate();
+        auto sample = (float) oscillator.Generate();
         out[idx] = sample;
         out[idx + 1] = sample;
     }