HFP Support

[CDX-24]

Hello.
Great work, it works very smoothly with a PCM5102 board.
Would it be possible for the library to be compatible with the HFP protocol to hear phone calls from a smartphone?
Thanks !

[ariknel]

Hi CDX-24, i am also using the PCM5102 board but with this code i can't get any audio coming trough. How do you have the i2s pins hooked up? For me it is

GPIO22 --> LRCK
GPIO25 --> DATA
GPIO26 --> BCK

Also wondering the same question you asked btw ;)

[pschatzmann]

.bck_io_num = 26, .ws_io_num = 25, = LRCK .data_out_num = 22,

…

On 16 May 2021, at 19:40, Arik ***@***.***> wrote: Hi CDX-24, i am also using the PCM5102 board but with this code i can't get any audio coming trough. How do you have the i2s pins hooked up? For me it is GPIO22 --> LRCK GPIO25 --> DATA GPIO26 --> BCK Also wondering the same question you asked btw ;) — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub, or unsubscribe.

[ariknel]

Aha! That's why it is not working for me ;) thanks! Big love from Belgium. Without your code i would be stuck at one volume with the default epsressif code!

[CDX-24]

Hi @ariknel ! I wired my module to the ESP differently by changing the pins in the library code.

Module | ESP 32 Dev Module
SCK => N/C
BCK => GPIO4
DIN => GPIO 2
LCK => GPIO 15

and I changed the library code in BluetoothA2DPSink.cpp at line 55 to the following :

pin_config = { .bck_io_num = 4, .ws_io_num = 15, .data_out_num = 2, .data_in_num = I2S_PIN_NO_CHANGE };

I know that a method can be called to change the pins in the main code without needing to change the library but I was in a hurry ^^.

Also I had to solder several pads on my modules including the bridge between SCK to GND (if think it is GND, not sure though 😶 ).
Take a look at the picture I attached ;)

[ariknel]

Okay thanks! I just had sck, DEMP, FLT, FMT tied to ground!