Search found 4 matches

by Adrian
Mon Feb 17, 2020 7:16 am
Forum: ESP32 IDF
Topic: Ethernet MAC-to-MAC connection possible for ESP32?
Replies: 3
Views: 580

Re: Ethernet MAC-to-MAC connection possible for ESP32?

That sounds good. And are there any coding examples?
I tried to understand the LAN8720 driver from ESP-IDF, but it seems quite strongly intertwined with the serial management interface (MDIO/MDC signals), which I don't need for that purpose.
by Adrian
Fri Feb 14, 2020 10:17 am
Forum: ESP32 IDF
Topic: Ethernet MAC-to-MAC connection possible for ESP32?
Replies: 3
Views: 580

Ethernet MAC-to-MAC connection possible for ESP32?

Hello everyone, I was wondering if it would be possible to directly attach the ESP32 to an ethernet MAC interface, e.g. a switch like KSZ9896 ? It would greatly reduce BOM cost and current consumption if we could remove the PHY layer in the connection from the ESP to the Ethernet Switch. Obviously t...
by Adrian
Wed Mar 20, 2019 9:24 am
Forum: ESP32 IDF
Topic: Updated esp-idf and now KeyError: 'liblwip.a' [solved: sdkconfig]
Replies: 7
Views: 1493

Re: Updated esp-idf and now KeyError: 'liblwip.a' [solved: sdkconfig]

I figured out that this error occurs if you enable "LWIP IRAM optimization" in make menuconfig. A GitHub issue is already opened for this error in esp-idf project.

https://github.com/espressif/esp-idf/issues/3173
by Adrian
Wed Mar 20, 2019 8:58 am
Forum: ESP32 IDF
Topic: Updated esp-idf and now KeyError: 'liblwip.a' [solved: sdkconfig]
Replies: 7
Views: 1493

Re: Updated esp-idf and now KeyError: 'liblwip.a' [solved: sdkconfig]

I have the same error. Do you have any new insights on this problem?

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