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the missing
volatile
onbool dhcp_acquired
in CNetIf.h caused problems for WiFi DHCP too. The waiting for DHCP ended only on timeout, but status() check then was OK because the IP address was set. So WiFi.begin just took long time.I use Uno R4 to test Renesas Core LwIP networking. For WiFi I have an esp32 with the Hosted firmware on SPI and for Ethernet I replaced the EthernetDriver implementation with one over the W5500 driver (Ethernet 2 shied) from the esp8266 core. So I use
Ethernet.begin
methods with the MAC address parameter where some of this bugs appeared. The missingrestartAsyncRequest();
insetMacAddress
stopped the periodic task so DHCP then timed out. After that I had in EthernetDriver a buffer smaller than the DHCP packet and the code just hang. It was the the assert in CEth::output).tested with LegacyEthernetTest
EthernetDriverW5500.cpp should work on Portenta C33 with MKR ETH shield too