Search found 47 matches

by nopnop2002
Thu May 23, 2024 5:04 am
Forum: ESP-IDF
Topic: ESP-IDF + DFPlayer = DFPlayerError:Get Wrong Stack
Replies: 1
Views: 1094

Re: ESP-IDF + DFPlayer = DFPlayerError:Get Wrong Stack

There are many variations of the MP3 IC installed in DF Player. I own three DF Players, two are JC AA18 and one is YX5200. YX5200 give me this error: sending:7e ff 6 3 0 0 1 fe f7 ef received:7e ff 6 40 0 0 4 fe b7 ef DFPlayerError:Check Sum Not Match In addition to this, there are YM5200, YM5300, M...
by nopnop2002
Mon Feb 05, 2024 11:00 pm
Forum: Sample Code
Topic: Support for file compression
Replies: 9
Views: 68016

Re: Support for file compression

@DrMickeyLauer >I wonder how zlib can have better compression ratios than brotli. If you don't consider memory limitations, you're right. You can try out several compression levels. brotli will always win. >Which compression levels are you comparing with brotli quality = 0; If you specify anything o...
by nopnop2002
Thu Jan 25, 2024 6:13 am
Forum: Sample Code
Topic: Support for file compression
Replies: 9
Views: 68016

Re: Support for file compression

I'm using zlib instead of miniz.

Try this:
https://github.com/nopnop2002/esp-idf-zlib
by nopnop2002
Tue Jan 23, 2024 10:13 am
Forum: ESP-IDF
Topic: How to get miniz working.
Replies: 7
Views: 7489

Re: How to get miniz working.

>Anyone who know about other compression lib that is more lightweight?

zlib is more lightweight.

Works with ESP32C2 with small RAM.

https://github.com/nopnop2002/esp-idf-zlib
by nopnop2002
Mon Jan 22, 2024 3:03 pm
Forum: General Discussion
Topic: zlib on esp32
Replies: 3
Views: 9996

Re: zlib on esp32

Here is a sample using zlib.

https://github.com/nopnop2002/esp-idf-zlib
by nopnop2002
Sat Jan 20, 2024 3:00 am
Forum: ESP-IDF
Topic: Building OpenCV for the ESP32 error
Replies: 6
Views: 31235

Re: Building OpenCV for the ESP32 error

It appears that the https://github.com/joachimBurket/esp32-opencv project depends on a specific version of ESP-IDF. I cross-compiled with ESP-IDF v5.1.2 on Linux, but a lot of errors occurred. --- https://github.com/joachimBurket/esp32-opencv This repository requires ESP32 with PARAM and ESP-IDF V4....
by nopnop2002
Sun Jan 14, 2024 8:20 am
Forum: ESP-IDF
Topic: Troubles with Wi-Fi iPerf example
Replies: 1
Views: 46602

Re: Troubles with Wi-Fi iPerf example

$ idf.py flash monitor -p your_port And type help I (750) main_task: Returned from app_main() iperf> help help Print the list of registered commands free Get the current size of free heap memory heap Get minimum size of free heap memory that was available during program execution version Get versio...
by nopnop2002
Sun Jan 14, 2024 8:12 am
Forum: ESP-IDF
Topic: Restart ESP32
Replies: 1
Views: 64252

Re: Restart ESP32

The official sample uses esp_restart().
https://github.com/espressif/esp-idf/bl ... main.c#L51