Search found 6 matches

by vtomix
Sat Jun 13, 2020 9:45 am
Forum: Hardware
Topic: External PSRAM 8MB TEST OK, but malloc failed.
Replies: 0
Views: 381

External PSRAM 8MB TEST OK, but malloc failed.

Hello! I have a custom board with ESP32-WROOM-32D 16MB and externally routed ESP-PSRAM64H (3.3V) chip. I routed it to the suggested PINS with one exception: https://docs.espressif.com/projects/esp-idf/en/v4.0.1/api-guides/external-ram.html PSRAM /CE (pin 1) - ESP32 GPIO 16 PSRAM SO (pin 2) - flash D...
by vtomix
Tue Nov 13, 2018 9:35 pm
Forum: ESP-IDF
Topic: Conflict between UDP multicast and TCP server
Replies: 2
Views: 1154

Re: Conflict between UDP multicast and TCP server

I found the problem. My UDP task uses select(). If I eliminate select() the tcp server accept() works. So the select() is not a thread safe function?
by vtomix
Mon Nov 12, 2018 9:11 pm
Forum: ESP-IDF
Topic: Conflict between UDP multicast and TCP server
Replies: 2
Views: 1154

Conflict between UDP multicast and TCP server

I have a FreeRTOS task for the ipv4 udp multicast rx and an other realize a simple tcp server (both based on the examples). If both task are run the TCP task cant accept connections: Unable to accept connection: errno 113. If only the tcp server is running, it works perfect. Could be any conflict th...
by vtomix
Sat Oct 27, 2018 7:28 pm
Forum: General Discussion
Topic: tcp_server example not able to reconnect the server after disconnect
Replies: 25
Views: 9946

Re: tcp_server example not able to reconnect the server after disconnect

I just ran into this problem too. Do you have any solution? I tied with ethernet.
by vtomix
Mon Sep 10, 2018 9:00 pm
Forum: ESP-IDF
Topic: mDNS does not work
Replies: 4
Views: 3542

mDNS does not work

I’m working on an esp32 project in c based on esp-idf and I would like to integrate mdns component. I don’t know what is my mistake but the mdns example project doesn’t work for me. I can’t see the added services with mdns scanner, and i cant ping the device with hostname only with ip addr. Can anyo...

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