i found that it is used to connect the flash chip and it is not recommended. i am running out pins for my application so is there any way to use these pins.

Hi,

I have just tried the example code and it is working fine.
How can i generate the .wav file from the recorded data. is there any documentation on that.

thank you.

now its working

:| :| :|

here is the log

The hex output will come for around 30 sec and then nothing happens. I am getting the same result for every example codes.

the current version of xtensa tool-chain i am using is : crosstool-NG crosstool-ng-1.22.0-61-gab8375a
i have also tried :crosstool-NG crosstool-ng ...

Hi Kolban,

As always you are the first one offer some assit, thank you so much for all the support.

i am attaching the log message here.
also How can i update the extensa-toolchain? would that be the problem.

thanks for all the good work :)

I was using idf 2.0 and now i have updated the idf to release 2.1
But none of the example codes are not working, ie.. i am able to compile the code and flash it to the board. but it shows some hex values on the terminal.
what am i missing?
current version of ...

Hi,

I have upgraded the esp-idf to release 2.1 and after that none of the examples are working. the code compiles and i am able to program the device but its not working. it outputs some hex values in the terminal.
i have also updated the esptool to esptool.py v2.1
python version i am using is 2.7 ...

Thank you so much MR.Kolban,

My esp-idf was not updated,the problem solved when i have updated it.
I found your book very helpful. i appreciate the effort you took to develop such a book on esp32.

Thank you frax84 ,
I am also using the readresponse to send the data to ble client. if i find any updates on notification, will let you know.
wish you all the best.

Hi frax84,

Did you rectified the problem? i am also facing the same issue. :|
when i try to send notification with esp_ble_gatts_send_indicate(), it shows ccd error in nrf app. i have also enabled notifications through nrf app.
also i couldn't understand the significance '#define GATTS_DESCR_UUID ...