The EtherTen combines an Uno-equivalent Arduino-compatible board and Wiznet-based Ethernet support, along with a microSD card slot and Power-over-Ethernet support. [Product page]
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I have the TFTP bootloader working for on boards and can upload a sketch once via tftp. Once that has been uploaded it works but I cannot get the board to accept another upload via tftp. Upon reset the board never flashes the led to indicate it is waiting for an upload anymore. Any ideas anyone?
I ended up using a different bootloader and got this working. The bootloader I started using has issues with reading ip settings from the eeprom. I didn't debug that and instead just changed the address settings in the bootloader code and flashed that. This was in some ways better for my application. It works quite nicely now.