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libraries/audio-tools/examples/tests/concurrency/BufferRTOS/BufferRTOS.ino

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+/**
+ * @file synchBufferRTOS.ino
+ * @author Phil Schatzmann
+ * @brief Multitask with BufferRTOS
+ * @version 0.1
+ * @date 2022-11-25
+ *
+ * @copyright Copyright (c) 2022
+ *
+ */
+#include "AudioTools.h"
+#include "AudioTools/Concurrency/RTOS.h"
+
+BufferRTOS<int16_t> buffer(512 * 10);
+
+Task writeTask("write", 3000, 10, 0);
+
+Task readTask("read", 3000, 10, 1);
+
+void setup() {
+  Serial.begin(115200);
+
+  writeTask.begin([]() {
+    int16_t data[512];
+    for (int j = 0; j < 512; j++) {
+      data[j] = j;
+    }
+    
+    size_t len = buffer.writeArray(data, 512);
+
+  });
+
+  readTask.begin([]() {
+    static uint64_t start = millis();
+    static size_t total_bytes = 0;
+    static size_t errors = 0;
+    static int16_t data[512];
+
+    // read data
+    size_t read = buffer.readArray(data, 512);
+    assert(read==512);
+
+    // check data
+    for (int j = 0; j < 512; j++) {
+      if (data[j] != j) errors++;
+    }
+    // calculate bytes per second
+    total_bytes += sizeof(int16_t) * 512;
+    if (total_bytes >= 1024000) {
+      uint64_t duration = millis() - start;
+      float mbps = static_cast<float>(total_bytes) / duration / 1000.0;
+
+      // print result
+      Serial.print("Mbytes per second: ");
+      Serial.print(mbps);
+      Serial.print(" with ");
+      Serial.print(errors);
+      Serial.println(" errors");
+
+      start = millis();
+      errors = 0;
+      total_bytes = 0;
+    }
+  });
+}
+
+void loop() { delay(1000); }