Add AudioEffectEmpty

AudioEffectEmpty_F32.h

@@ -0,0 +1,49 @@
+/*
+ * AudioEffectEmpty_F32
+ * 
+ * Created: Chip Audette, Feb 2017
+ * Purpose: This module does nothing.  It is an empty algorithm that can one
+ *			can build from to make their own algorithm
+ *          
+ * This processes a single stream fo audio data (ie, it is mono)       
+ *          
+ * MIT License.  use at your own risk.
+*/
+
+#ifndef _AudioEffectEmpty_F32_h
+#define _AudioEffectEmpmty_F32_h
+
+#include <arm_math.h> //ARM DSP extensions.  for speed!
+#include <AudioStream_F32.h>
+
+class AudioEffectEmpty_F32 : public AudioStream_F32
+{
+  //GUI: inputs:1, outputs:1  //this line used for automatic generation of GUI node
+  //GUI: shortName:passthru
+  public:
+    //constructor
+    AudioEffectEmpty_F32(void) : AudioStream_F32(1, inputQueueArray_f32) {};
+
+    //here's the method that does all the work
+    void update(void) {
+		
+		//Serial.println("AudioEffectEmpty_F32: updating.");  //for debugging.
+		audio_block_f32_t *block;
+		block = AudioStream_F32::receiveWritable_f32();
+		if (!block) return;
+
+		//add your processing here!
+		
+		
+		//transmit the block and be done
+		AudioStream_F32::transmit(block);
+		AudioStream_F32::release(block);
+    }
+
+    
+  private:
+    audio_block_f32_t *inputQueueArray_f32[1]; //memory pointer for the input to this module
+
+};
+
+#endif

OpenAudio_ArduinoLibrary.h

@@ -3,6 +3,7 @@
 //include <AudioControlSGTL5000_Extended.h>
 #include <control_tlv320aic3206.h>
 #include <AudioConvert_F32.h>
+#include "AudioEffectEmpty_F32.h"
 #include <AudioEffectGain_F32.h>
 #include <AudioEffectCompressor_F32.h>
 #include <AudioFilterFIR_F32.h>

keywords.txt

@@ -32,6 +32,7 @@ AudioMemoryUsage_F32	KEYWORD1
 AudioMemoryUsageMax_F32	KEYWORD1
 AudioMemoryUsageMaxReset_F32	KEYWORD1
 AudioMixer4_F32		KEYWORD1
+AudioMixer8_F32		KEYWORD1
 AudioMultiply_F32	KEYWORD1
 AudioOutputI2S_F32	KEYWORD1
 AudioPlayQueue_F32	KEYWORD1