snapshot

libraries/audio-tools/examples/examples-communication/ip/communication-ip-receive/communication-ip-receive.ino

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+/**
+ * @file example-serial-receive.ino
+ * @author Phil Schatzmann
+ * @brief Receiving audio via IP and writing to I2S
+ * @version 0.1
+ * @date 2022-03-09
+ * 
+ * @copyright Copyright (c) 2022
+ */
+
+#include "AudioTools.h"
+#include <WiFi.h>
+
+const char *ssid = "ssid";
+const char *password = "password";
+
+AudioInfo info(16000, 1, 16);
+uint16_t port = 8000;
+WiFiServer server(port);
+WiFiClient client; 
+I2SStream out; 
+MeasuringStream outTimed(out);
+StreamCopy copier(outTimed, client);     
+
+void connectWifi(){
+  // connect to WIFI
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+      delay(500);
+      Serial.print(".");
+  }
+  Serial.println();
+  Serial.println(WiFi. localIP());
+
+  // Performance Hack              
+  WiFi.setSleep(false);
+}
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  connectWifi();
+
+  // start server
+  server.begin();
+
+  // start I2S
+  Serial.println("starting I2S...");
+  auto config = out.defaultConfig(TX_MODE);
+  config.copyFrom(info); 
+  config.buffer_size = 512;
+  config.buffer_count = 6;
+  out.begin(config);
+
+  Serial.println("started...");
+}
+
+void loop() { 
+  // get a new connection if necessary
+  if (!client){
+    client = server.available();  
+  }
+  
+  // copy data if we are connected
+  if (client.connected()){
+    copier.copy();
+  } else {
+    // feed the dog
+    delay(100);
+  }
+}

libraries/audio-tools/examples/examples-communication/ip/communication-ip-receive_measure/communication-ip-receive_measure.ino

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+/**
+ * @file example-serial-receive.ino
+ * @author Phil Schatzmann
+ * @brief Receiving audio via IP and just measuring the thruput
+ * @version 0.1
+ * @date 2022-03-09
+ * 
+ * @copyright Copyright (c) 2022
+ */
+
+#include "AudioTools.h"
+#include <WiFi.h>
+
+const char *ssid = "ssid";
+const char *password = "password";
+
+AudioInfo info(16000, 1, 16);
+uint16_t port = 8000;
+WiFiServer server(port);
+WiFiClient client; 
+MeasuringStream out;
+StreamCopy copier(out, client);     
+
+void connectWifi() {
+  // connect to WIFI
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+      delay(500);
+      Serial.print(".");
+  }
+  Serial.println();
+  Serial.println(WiFi. localIP());
+
+  // Performance Hack              
+  WiFi.setSleep(false);
+}
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  connectWifi();
+
+  // start server
+  server.begin();
+
+  // start out
+  out.begin();
+
+  Serial.println("started...");
+}
+
+void loop() { 
+  // get a new connection if necessary
+  if (!client){
+    client = server.available();  
+  }
+  // copy data if we are connected
+  if (client.connected()){
+    copier.copy();
+  } else {
+    // feed the dog
+    delay(100);
+  }
+}

libraries/audio-tools/examples/examples-communication/ip/communication-ip-send/communication-ip-send.ino

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+/**
+ * @file example-serial-send.ino
+ * @author Phil Schatzmann
+ * @brief Sending audio over IP
+ * @version 0.1
+ * @date 2022-03-09
+ *
+ * @copyright Copyright (c) 2022
+ */
+
+#include "AudioTools.h"
+#include <WiFi.h>
+
+AudioInfo info(16000, 1, 16);
+SineWaveGenerator<int16_t> sineWave( 32000);  // subclass of SoundGenerator with max amplitude of 32000
+GeneratedSoundStream<int16_t> sound( sineWave);  // Stream generated from sine wave
+WiFiClient client;                  
+MeasuringStream clientTimed(client);
+StreamCopy copier(clientTimed, sound, 256);  // copies sound into MeasuringStream 
+const char *ssid = "ssid";
+const char *password = "password";
+const char *client_address = "192.168.1.33"; // update based on your receive ip
+uint16_t port = 8000;
+
+void connectWifi() {
+  // connect to WIFI
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+      delay(500);
+      Serial.print(".");
+  }
+  Serial.println();
+  Serial.println(WiFi. localIP());
+
+  // Performance Hack              
+  //esp_wifi_set_ps(WIFI_PS_NONE);
+  WiFi.setSleep(WIFI_PS_NONE);
+  client.setNoDelay(true);
+}
+
+void connectIP() {
+  if (!client.connected()){
+    while (!client.connect(client_address, port)) {
+      Serial.println("trying to connect...");
+      delay(5000);
+    }    
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  connectWifi();
+  // Setup sine wave
+  sineWave.begin(info, N_B4);
+  Serial.println("started...");
+}
+
+void loop() { 
+  connectIP();  // e.g if client is shut down we try to reconnect
+  copier.copy();
+}