snapshot

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

@@ -0,0 +1,63 @@
+/**
+ * @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();
+}