snapshot

libraries/audio-tools/examples/examples-dsp/examples-faust/streams-i2s-faust_copy-i2s/Copy.dsp

@@ -0,0 +1,3 @@
+declare filename "copy.dsp";
+declare name "copy";
+process = _,_;

libraries/audio-tools/examples/examples-dsp/examples-faust/streams-i2s-faust_copy-i2s/Copy.h

@@ -0,0 +1,106 @@
+/* ------------------------------------------------------------
+name: "Copy"
+Code generated with Faust 2.68.1 (https://faust.grame.fr)
+Compilation options: -lang cpp -ct 1 -es 1 -mcd 16 -single -ftz 0
+------------------------------------------------------------ */
+
+#ifndef  __mydsp_H__
+#define  __mydsp_H__
+
+#ifndef FAUSTFLOAT
+#define FAUSTFLOAT float
+#endif 
+
+#include <algorithm>
+#include <cmath>
+#include <cstdint>
+
+#ifndef FAUSTCLASS 
+#define FAUSTCLASS mydsp
+#endif
+
+#ifdef __APPLE__ 
+#define exp10f __exp10f
+#define exp10 __exp10
+#endif
+
+#if defined(_WIN32)
+#define RESTRICT __restrict
+#else
+#define RESTRICT __restrict__
+#endif
+
+
+class mydsp : public dsp {
+	
+ private:
+	
+	int fSampleRate;
+	
+ public:
+	mydsp() {}
+
+	void metadata(Meta* m) { 
+		m->declare("compile_options", "-lang cpp -ct 1 -es 1 -mcd 16 -single -ftz 0");
+		m->declare("filename", "Copy.dsp");
+		m->declare("name", "Copy");
+	}
+
+	virtual int getNumInputs() {
+		return 2;
+	}
+	virtual int getNumOutputs() {
+		return 2;
+	}
+	
+	static void classInit(int sample_rate) {
+	}
+	
+	virtual void instanceConstants(int sample_rate) {
+		fSampleRate = sample_rate;
+	}
+	
+	virtual void instanceResetUserInterface() {
+	}
+	
+	virtual void instanceClear() {
+	}
+	
+	virtual void init(int sample_rate) {
+		classInit(sample_rate);
+		instanceInit(sample_rate);
+	}
+	
+	virtual void instanceInit(int sample_rate) {
+		instanceConstants(sample_rate);
+		instanceResetUserInterface();
+		instanceClear();
+	}
+	
+	virtual mydsp* clone() {
+		return new mydsp();
+	}
+	
+	virtual int getSampleRate() {
+		return fSampleRate;
+	}
+	
+	virtual void buildUserInterface(UI* ui_interface) {
+		ui_interface->openVerticalBox("Copy");
+		ui_interface->closeBox();
+	}
+	
+	virtual void compute(int count, FAUSTFLOAT** RESTRICT inputs, FAUSTFLOAT** RESTRICT outputs) {
+		FAUSTFLOAT* input0 = inputs[0];
+		FAUSTFLOAT* input1 = inputs[1];
+		FAUSTFLOAT* output0 = outputs[0];
+		FAUSTFLOAT* output1 = outputs[1];
+		for (int i0 = 0; i0 < count; i0 = i0 + 1) {
+			output0[i0] = FAUSTFLOAT(float(input0[i0]));
+			output1[i0] = FAUSTFLOAT(float(input1[i0]));
+		}
+	}
+
+};
+
+#endif

libraries/audio-tools/examples/examples-dsp/examples-faust/streams-i2s-faust_copy-i2s/streams-i2s-faust_copy-i2s.ino

@@ -0,0 +1,43 @@
+/**
+ * @file streams-i2s-faust_copy-i2s.ino
+ * @author Phil Schatzmann
+ * @brief Example how to use Faust to write and process a stereo signal. The data
+ * is just copied, keeping the left and right signal separate.
+ * @version 0.1
+ * @date 2022-04-22
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+
+#include "AudioTools.h"
+#include "AudioTools/AudioLibs/AudioBoardStream.h"
+#include "AudioTools/AudioLibs/AudioFaust.h"
+#include "Copy.h"
+
+AudioBoardStream io(AudioKitEs8388V1); 
+FaustStream<mydsp> faust(io);  // final output to io
+StreamCopy copier(faust, io);  // copy mic to faust
+
+// Arduino Setup
+void setup(void) {  
+  // Open Serial 
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
+
+  // Setup Faust
+  auto cfg = faust.defaultConfig();
+  faust.begin(cfg);
+
+
+  // start I2S
+  auto cfg_i2s = io.defaultConfig(RXTX_MODE);
+  cfg_i2s.copyFrom(cfg);
+  io.begin(cfg_i2s);
+
+}
+
+// Arduino loop - copy sound to out 
+void loop() {
+  copier.copy();
+}