Search found 3 matches

by oursland
Tue May 03, 2022 8:02 pm
Forum: Hardware
Topic: ESP32-S3 JTAG pins and USB-JTAG
Replies: 1
Views: 1605

ESP32-S3 JTAG pins and USB-JTAG

When using the ESP32-S3 with internal USB-JTAG, may the external JTAG pins (GPIO39, GPIO40, GPIO41, GPIO42) be used for another purpose? My confusion comes from the somewhat conflicting information of the Tips and Quirks ( https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/api-guides/jtag...
by oursland
Tue May 03, 2022 5:19 pm
Forum: ESP-IDF
Topic: ESP32-S3 deep sleep and USB/JTAG
Replies: 3
Views: 2508

Re: ESP32-S3 deep sleep and USB/JTAG

I have filed the issue https://github.com/espressif/esp-idf/issues/8889 . While investigating, if found the problem to be in the `monitor` program that resets the chip on connect. As the USB port is not persistent during deep sleep, the monitor resets the chip each time it reattaches. My current wor...
by oursland
Mon May 02, 2022 8:17 am
Forum: ESP-IDF
Topic: ESP32-S3 deep sleep and USB/JTAG
Replies: 3
Views: 2508

ESP32-S3 deep sleep and USB/JTAG

I'm attempting to run the deep sleep example with the ESP32-S3 using the current `master` branch, sha `a82e6e63d98bb051d4c59cb3d440c537ab9f74b0`. I needed to enable the ULP coprocessor to get RTC memory to remain persistent upon wake-up. After doing so, the application behaved as expected when conne...