Search found 9 matches

by wnoliveira
Wed Mar 25, 2020 6:55 pm
Forum: Hardware
Topic: ESP Boot fail after restoring power from lack of power source.
Replies: 1
Views: 2704

ESP Boot fail after restoring power from lack of power source.

Hi all. I am facing a problem with ESP32-WROOM (chip revision 1). I have two boards with this same chip: -> Board "A" has an old power supply with a rise time (from Vcc = 0V to Vcc = 3.3V) around 50ms. -> Board "B" is a new board, with a newer power supply. This rise time is around 0.7 ms. Both boar...
by wnoliveira
Mon Sep 23, 2019 12:47 pm
Forum: ESP-IDF
Topic: Issues migrating from IDF 3.x to IDF 4
Replies: 1
Views: 3520

Issues migrating from IDF 3.x to IDF 4

Hi all. I recently tried to migrate a project that was made on IDF 3 and the classic gnu make build system to IDF 4 and CMAKE. It's just impossible to me. My project stop working with many failures (such as spi display stop working and some more). Does anyone know if there is a tutorial or known iss...
by wnoliveira
Sat Mar 23, 2019 12:48 pm
Forum: General Discussion
Topic: Unable to setup esp AT commands bin
Replies: 8
Views: 9178

Re: Unable to setup esp AT commands bin

Hi guys. It's basically open the flash addresses in /ESP32_AT_BIN/download.config (open this as a text file). After, be careful to use serial 2 to send and receive AT commands, not the main serial (those standard for dev kits).
by wnoliveira
Tue Feb 26, 2019 4:16 pm
Forum: General Discussion
Topic: AT firmware Hostname error
Replies: 1
Views: 2799

AT firmware Hostname error

Hi all.

I am using the AT command binary to interface my wi-fi application. In order to identify the device over a network, I've changed the Hostname to a known name, but when I scan the network, the Hostname still being "Espressif". Does anyone knows how to fix that? :?
by wnoliveira
Fri Feb 22, 2019 12:53 pm
Forum: General Discussion
Topic: AT firmware IP error
Replies: 0
Views: 1870

AT firmware IP error

Hi all. I was having troubles when trying to connect to a TCP sever. I don't know exactly how, but the source of my problems is that the STA IP is set to "0.0.0.0". I tried to rewrite this IP, to a valid one, but without success. If you notice, the command AT+CIFSR keeps returning the IP "0.0.0.0". ...
by wnoliveira
Thu Feb 07, 2019 2:10 pm
Forum: General Discussion
Topic: Unable to setup esp AT commands bin
Replies: 8
Views: 9178

Re: Unable to setup esp AT commands bin

Hi all.

Problem solved :D

The default serial for AT commands are not the same that show logs and download the bin. There is another serial for that.

All is working fine now.

Thanks a lot for the help.
by wnoliveira
Thu Feb 07, 2019 12:41 pm
Forum: General Discussion
Topic: Unable to setup esp AT commands bin
Replies: 8
Views: 9178

Re: Unable to setup esp AT commands bin

The flashing addresses are in /ESP32_AT_BIN/download.config. Ok, I didn't notice that. That helps me a lot! I successfully downloaded the binaries, as you can see in the module's response in my serial monitor: https://i.imgur.com/Sd3V3FR.png However, the module doesn't answer the "AT"+CR+LF echo te...
by wnoliveira
Thu Feb 07, 2019 10:37 am
Forum: General Discussion
Topic: Unable to setup esp AT commands bin
Replies: 8
Views: 9178

Re: Unable to setup esp AT commands bin

Definitely.

But it's really not clarifying to what I should download at what addr... :?
by wnoliveira
Wed Feb 06, 2019 6:54 pm
Forum: General Discussion
Topic: Unable to setup esp AT commands bin
Replies: 8
Views: 9178

Unable to setup esp AT commands bin

Hi all. I am trying yo setup the at-commands module by flashing the esp-at.bin into the esp32 flash. However, I've trie to follow all the instructions on AT commands PDF and also some videos, but nothing works yet. In the last AT version (https://www.espressif.com/en/support/download/at - V1.13) the...