types and testtone

src/main_testtone.cc

@@ -1,11 +1,11 @@
-#include "daisy_seed.h"
-#include "daisysp.h"
+#include "types.hh"
 
-namespace ld = daisy;
-namespace dsp = daisysp;
+namespace Heck {
+    namespace Constants {
+    }
 
-static ld::DaisySeed hardware;
-static dsp::Oscillator osc;
+    ld::DaisySeed hw{};
+    dsp::Oscillator osc{};
 
     void AudioCallback(
         ld::AudioHandle::InterleavingInputBuffer in,
@@ -14,30 +14,41 @@ void AudioCallback(
     {
         float osc_out;
         osc.SetFreq(1000);
+
         for (size_t i = 0; i < size; i += 2) {
             osc.SetAmp(1.0);
             osc_out = osc.Process();
-        osc_out *= 0.01;
+            osc_out *= 0.005;
             out[i] = osc_out;
             out[i + 1] = osc_out;
         }
     }
 
-
-int main(void)
+    void init()
     {
-    hardware.Configure();
-    hardware.Init();
-    hardware.SetAudioBlockSize(4);
-
-    float samplerate = hardware.AudioSampleRate();
+        hw.Configure();
+        hw.Init();
+        hw.SetAudioBlockSize(4);
+        float samplerate = hw.AudioSampleRate();
 
         osc.Init(samplerate);
         osc.SetWaveform(osc.WAVE_SIN);
         osc.SetAmp(1.f);
         osc.SetFreq(1000);
 
-    hardware.StartAudio(AudioCallback);
+        hw.StartAudio(AudioCallback);
+    }
+
+    void mainloop()
+    {
+        for (;;) {}
+    }
+} // namespace Heck
+
 
-    while (true) {}
+int main(void)
+{
+    Heck::init();
+    Heck::mainloop();
+    return 0;
 }

src/types.hh

@@ -7,7 +7,7 @@
 
 namespace Heck {
 
-    // Types
+    // fundamental types
     using u8 = uint8_t;
     using u16 = uint16_t;
     using u32 = uint32_t;
@@ -24,6 +24,10 @@ namespace Heck {
     // namespace aliases
     namespace ld = daisy;
     namespace dsp = daisysp;
+
+    // type aliases from libs
+    using Samplerate = ld::SaiHandle::Config::SampleRate;
+
 } // namespace Heck