snapshot

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

@@ -0,0 +1,37 @@
+
+#include "AudioTools.h"
+
+TimerCallbackAudioStream timerStream;
+
+// Reads the data in the callback driven by a timer
+uint16_t IRAM_ATTR callback(uint8_t *data, uint16_t len){
+    for (int j=0;j<len;j++){
+        assert(data[j]==1);
+    }
+    return len;
+}
+
+
+void setup(){
+    Serial.begin(115200);
+    AudioLogger::instance().begin(Serial,AudioLogger::Info);
+
+    auto cfg = timerStream.defaultConfig();
+    cfg.rx_tx_mode = TX_MODE;
+    cfg.channels = 1;
+    cfg.sample_rate = 5000;
+    cfg.bits_per_sample = 16;
+    cfg.callback = callback;
+    timerStream.begin(cfg);
+}
+
+
+// write to the TimerCallbackAudioStream 
+void loop(){
+    uint8_t buffer[512];
+    memset(buffer,1,512);
+    while (true){
+        int len = timerStream.write(buffer, 512);
+        Serial.println(len);
+    }
+}