StreamRecorded with latest CODAL contains pulses at regular intervals

[microbit-carlos]

With the latest CODAL StreamRecorded raw data has peaks every ~23ms.

Bottom is a build with the latest CODAL, top is using the StreamRecorder hex from:

• https://github.com/microbit-foundation/dev-docs/issues/169

• Old CODAL wav file: old-build.wav.zip
  • Old CODAL raw data: 9904360249624e45005160190000003b000000009796990b.txt
• Current CODAL wave file: latest-codal.wav.zip
  • Current CODAL raw data: 99063602000528202803be62c2d82852000000006e052820.txt

#include "MicroBit.h"
#include "SerialStreamer.h"

MicroBit uBit;

int main() {
    uBit.init();

    SerialStreamer *streamer = new SerialStreamer(uBit.audio.processor->output, SERIAL_STREAM_MODE_BINARY);
    uBit.audio.requestActivation();
    uBit.audio.activateMic();

    while (true) {
        uBit.sleep(1000);
    }
}

MICROBIT.hex.zip

[microbit-carlos]

PR:

• https://github.com/lancaster-university/microbit-v2-samples/pull/72