WIZ820io with Arduino 1.8.2/Teensyduino 1.3.6 doesn't work.

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nlecaude

Well-known member
Hello,

I've been using the Ethernet library with Teensy 3.2 + Wiz820IO + the adaptator board for months without issue. I recently updated my software to Arduino 1.8.2 and Teensyduino 1.36 and it doesn't seem to work anymore. I tried several sketches all with the same issue. To reproduce, you can test the DhcpAddressPrinter example sketch. It hangs forever and never gets assigned an address. The lights on the wiz820io never blink.
If I revert back to the older versions I was using (Arduino 1.6.12 and Teensyduino 1.31) it starts working again. Seems like something broke...

I also tried with a fixed IP and it prints 0.0.0.0 instead of the fixed IP I choose.
I tested this both on Mac OS 10.12, Mac OS 10.11.

Thanks !
 
Just to confirm above as I read it: the Ethernet library with Teensy 3.6 + Wiz820IO works with Arduino 1.6.12 and Teensyduino 1.31 but not with Arduino 1.8.2 and Teensyduino 1.36
 
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