Hi Gary, 

Presume you mean the task watchdog timer (and not the interrupt watchdog 
timer), this can get triggered if a continuous higher priority task does not 
yield 
(https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/wdts.html),
 
<https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/wdts.html>
 did you try; 

- subscribing a task to the watchdog and feeding the timer, see - 
https://github.com/espressif/arduino-esp32/issues/595 
- yielding to FreeRTOS by doing a vTaskDelay every now and then in the task 
- if you are using arduino-esp32 there is an option to disable the watchdog 
timers on both cores, or using menuconfig / sdkconfig in esp-idf

Regards,
Andy
--
Email: andywil...@tuta.io


Feb 16, 2021, 17:56 by gary.wors...@gmail.com:

> Hi Andy,
>
> I don't know enough about ESP32 to know whether this will be an issue on this 
> board, but using one of the Lyra-T boards, or similar, I was not able to get 
> much Faust code running on it before I started hitting watchdog errors etc.  
> I outlined all of my tests and results in the ESP32 section of the Faust 
> Slack channel about a year ago.
>
> Gary
>
> On Sat, Feb 13, 2021 at 6:32 AM Andy Wilson via Faudiostream-users <> 
> faudiostream-users@lists.sourceforge.net> > wrote:
>
>> Hi everyone, 
>>
>> First post to the group here, just want to say firstly thanks to all the 
>> Faust developers for all the interesting DSP developments and ongoing work, 
>> and also to post about a new open source ESP32 development board for audio 
>> that some people may be interested in. Details are below, if anyone has any 
>> questions or feedback please reply and let me know, currently it is in final 
>> prototype stage and I hope to make it available in a few months;
>>
>>
>>
>> ESP32 Pico D4 Chip (silicon rev1), 4MB Additional PSRAM, 3D Antenna, WM8978 
>> Audio Codec.
>> Audio Line In on stereo 3.5mm connector. 
>> Audio Headphone / Line Out on stereo 3.5mm connector. 
>> Stereo Aux Line In, Audio Mono Out, Audio Speaker Out on GPIO Header. 
>> 2 x Knowles SMP0687LR5H-1 MEMS Microphones routed in low noise differential 
>> configuration.
>> ESD protection on all audio inputs and outputs. 
>> Breadboard friendly, 70mm x 24mm. 
>> 11 x GPIO pins broken out to 2.54mm pitch header, with access to both ESP32 
>> ADC channels, I2C and capacitive touch pins.
>> USB 2.0 over USB Type C connector.
>> 3.7/4.2v Lithium Polymer Rechargeable Battery or USB / 5V Powered, 
>> overvoltage protection
>> Power consumption in normal usage (Wi-Fi off, running audio DSP code with 
>> mics active) = 100mA, with Audio Codec in standby mode = 52.4mA, low power 
>> usage (Audio Codec in standby mode and ESP32 in deep sleep mode) = 5.7mA.
>> Battery voltage level detection.
>> ESD protection on USB data bus.
>> Note: The GPIOs are carefully selected based on experience and issues 
>> encountered with other ESP32 boards, I have attempted also to take into 
>> account things mentioned during the PAW workshop and conference, so for 
>> instance it is possible to use x4 ADC inputs and WiFi at the same time, USB 
>> is Type C connector, and most of the codec feature set is routed/broken out 
>> (Line Inputs, Aux Inputs, Mono Output, Speaker Output). A lot of the 
>> hardware design elements are finalised, but it is not too late to make some 
>> changes depending on what they are. 
>>
>> I'll post the details in the Slack channel also. 
>>
>> thanks,
>> Andy
>> --
>> Email: >> andywil...@tuta.io
>> http://www.factmag.com/2017/07/29/pbmix-3-pocket-mixer-review/
>> _______________________________________________
>> Faudiostream-users mailing list
>> Faudiostream-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/faudiostream-users
>>

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