snapshot

libraries/audio-tools/examples/tests/timer/test-timercbx_rx/test-timercbx_rx.ino

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+
+#include "AudioTools.h"
+
+TimerCallbackAudioStream timerStream;
+
+uint16_t IRAM_ATTR callback(uint8_t *data, uint16_t len){
+    uint16_t result = len > 256 ? 256 : len;
+   
+    for (uint16_t j=0;j<result;j++){
+        data[j]=1;
+    }
+    return result;
+}
+
+
+void setup(){
+    Serial.begin(115200);
+    AudioLogger::instance().begin(Serial,AudioLogger::Info);
+
+    auto cfg = timerStream.defaultConfig();
+    cfg.rx_tx_mode = RX_MODE;
+    cfg.channels = 1;
+    cfg.sample_rate = 5000;
+    cfg.bits_per_sample = 16;
+    cfg.timer_function = TimerCallbackInThread; // Use separate Task
+    cfg.callback = callback;
+    timerStream.begin(cfg);
+
+}
+
+/// read from the TimerCallbackAudioStream
+void loop(){
+    uint8_t buffer[512];
+    while (true){
+        int len = timerStream.readBytes(buffer, 512);
+        for (int j=0;j<len;j++){
+            assert(buffer[j]==1);
+        }
+        Serial.println(len);
+        yield();
+    }
+}