test-volumestream.ino with global variable

Author: pschatzmann

examples/tests/conversion/test-volumestream/test-volumestream.ino

@@ -12,7 +12,8 @@ SineWaveGenerator<int16_t> sineWave(32000);                // subclass of SoundG
 GeneratedSoundStream<int16_t> sound(sineWave);    
 CsvOutput<int16_t> out(Serial); 
 VolumeStream vol(out);     
-StreamCopy copier(vol, sound);                             // copies sound to out
+StreamCopy copier(vol, sound);     
+float f_volume = 0.1;
 
 // Arduino Setup
 void setup(void) {  
@@ -23,7 +24,7 @@ void setup(void) {
   // Define CSV Output
   out.begin(audio_info);
   vol.begin(audio_info);
-  vol.setVolume(0.1);
+  vol.setVolume(f_volume);
 
   // Setup sine wave
   sineWave.begin(audio_info, N_B4);