DRAFT LORA

Author: pschatzmann

examples/examples-communication/esp-now/pcm/communication-espnow-receive/communication-espnow-receive.ino

@@ -1,5 +1,5 @@
 /**
- * @file example-serial-receive.ino
+ * @file example-espnow-receive.ino
  * @author Phil Schatzmann
  * @brief Receiving audio via ESPNow
  * @version 0.1

examples/examples-communication/esp-now/pcm/communication-espnow-receive_csv/communication-espnow-receive_csv.ino

@@ -1,5 +1,5 @@
 /**
- * @file example-serial-receive_csv.ino
+ * @file example-espnow-receive_csv.ino
  * @author Phil Schatzmann
  * @brief Receiving audio via ESPNow
  * @version 0.1

examples/examples-communication/esp-now/pcm/communication-espnow-receive_measure/communication-espnow-receive_measure.ino

@@ -1,5 +1,5 @@
 /**
- * @file example-serial-receive_measure.ino
+ * @file example-espnow-receive_measure.ino
  * @author Phil Schatzmann
  * @brief Receiving audio via ESPNow with max speed to measure thruput
  * @version 0.1

examples/examples-communication/esp-now/pcm/communication-espnow-send/communication-espnow-send.ino

@@ -1,5 +1,5 @@
 /**
- * @file example-serial-send.ino
+ * @file example-espnow-send.ino
  * @author Phil Schatzmann
  * @brief Sending audio over ESPNow
  * @version 0.1

examples/examples-communication/lora/communication-lora-receive/communication-lora-receive.ino

@@ -0,0 +1,36 @@
+/**
+ * @file example-lora-receive_measure.ino
+ * @author Phil Schatzmann
+ * @brief Receiving audio via LoRa with max speed to measure thruput.
+ * @version 0.1
+ * @date 2023-11-09
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+
+#include "AudioTools.h"
+#include "AudioTools/Communication/LoRaStream.h"
+
+LoRaStream lora;
+MeasuringStream out;  // or CSVStream<uint8_t>
+StreamCopy copier(out, lora);     
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+  while(!Serial);
+
+  auto cfg = lora.defaultConfig();
+  lora.begin(cfg);
+
+  // start output
+  Serial.println("starting Out...");
+  out.begin();
+
+  Serial.println("Receiver started...");
+}
+
+void loop() { 
+  copier.copy();
+}

examples/examples-communication/lora/communication-lora-send/communication-lora-send.ino

@@ -0,0 +1,45 @@
+/**
+ * @file example-lora-send.ino
+ * @author Phil Schatzmann
+ * @brief Sending data over LoRa. We use a Heltec WiFi LoRa V3 board for testing.
+ * V3 boards use the SX1262.
+ * @version 0.1
+ * @date 2023-11-09
+ *
+ * @copyright Copyright (c) 2022
+ */
+
+#include "AudioTools.h"
+#include "AudioTools/Communication/LoRaStream.h"
+
+AudioInfo info(8000, 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
+LoRaStream lora;
+StreamCopy copier(lora, sound);  // copies sound into i2s
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+  while(!Serial);
+  Serial.println("starting...");
+
+  // Setup LoRa 
+  Serial.printf("SCK: %d, MISO: %d, MOSI: %d, SS=%d", SCK,MISO,MOSI,SS);
+  SPI.begin(SCK, MISO, MOSI, SS);
+  auto cfg = lora.defaultConfig();
+  cfg.copyFrom(info);
+  if (!lora.begin(cfg)){
+    Serial.println("LoRa failed");
+    stop();
+  }
+
+  // Setup sine wave
+  sineWave.begin(info, N_B4);
+
+  Serial.println("Sender started...");
+}
+
+void loop() { 
+  copier.copy();
+}

src/AudioTools/Communication/RadioHeadStream.h

@@ -4,7 +4,6 @@
 
 namespace audio_tools {
 
-
 /**
  * @brief Arduino Stream which is using the RadioHead library to send and
  * receive data. We use the river API directly.