Files
klubhaus-doorbell/libraries/audio-tools/examples/tests/concurrency/synchRingBuffer/synchRingBuffer.ino
2026-02-12 21:00:02 -08:00

69 lines
1.5 KiB
C++

/**
* @file synchBufferRTOS.ino
* @author Phil Schatzmann
* @brief Multitask with SynchronizedBuffer using RingBuffer
* @version 0.1
* @date 2022-11-25
*
* @copyright Copyright (c) 2022
*
*/
#include "AudioTools.h"
#include "AudioTools/Concurrency/RTOS.h"
MutexRTOS mutex;
RingBuffer<int16_t> nbuffer(512 * 4);
SynchronizedBuffer<int16_t> buffer(nbuffer, mutex);
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;
}
assert(buffer.writeArray(data, 512)==512);
delay(1);
});
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
assert(buffer.readArray(data, 512)==512);
delay(1);
// 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); }