How to Fix MicroPython Driver Bugs with WIZnet W5500 on ESP32?
This maker project debugs the MicroPython wiznet5k.py driver used with WIZnet W5500 on an ESP32-based Ethernet node.
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Project description
How to Fix MicroPython Driver Bugs with WIZnet W5500 on ESP32? Summary This maker project debugs the MicroPython wiznet5k.py driver used with WIZnet W5500 on an ESP32-based Ethernet node. The source identifies two practical driver issues: reset-pin handling when the W5500 reset line is wired to a GPIO instead of tied high, and incorrect remote TCP port reconstruction caused by using the high byte twice instead of combining high and low bytes. W5500 provides the wired Ethernet MAC/PHY, hardware TCP/IP stack, socket registers, and packet buffering; the ESP32 MicroPython driver must still…
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