Interupted sound

[kuzmanzs]

Problem Description

Hi,

I am trying to run bt_music_sender.ino
with following setup:
ESP32-WROOM32
ESP-IDF 4.3.6
Visual studio + platformio

I hear the sinus sound but it is interupted in every lets say 100-200msec. It sounds like a morse code.

I have tried with example from ESP-IDF the noise as well and it also sound also interupted.

static int32_t bt_app_a2d_data_cb(uint8_t *data, int32_t len)
{
    if (data == NULL || len < 0) {
        return 0;
    }

    int16_t *p_buf = (int16_t *)data;
    for (int i = 0; i < (len >> 1); i++) {
        p_buf[i] = rand() % (1 << 16);
    }

    return len;
}

1. If I just build I run the example source code of ESP-IDF it sounds without any interuption
2. If I run your "bt_music_sender_write" there is no any interruption. It sound well.

So what I am wrong with the "bt_music_sender" example?

I have another question. If I run the ESP-IDF example sender my speaker stops the connection after 120sec.
I think heartbeat is running, what I miss?

Thx

Device Description

ESP32-WROOM32
ESP-IDF 4.3.6
Visual studio + platformio

Sketch

bt_music_sender

Other Steps to Reproduce

No response

Provide your Version of the EP32 Arduino Core (or the IDF Version)

ESP-IDF 4.3.6

I have checked existing issues, discussions and online documentation

• I confirm I have checked existing issues, discussions and online documentation

[BlackyBlacksky]

Same problem here. :/

[Phil Schatzmann]

Try to add some delay(0) or delay(1)...