Quote1284_16.build.variant=1284pI don't think the default install has a 1284p variant;
@Steph:thanks for your reply.The Ax enumeration isn't a problem, in the past I've already encountered this issue.Can I ask you more about:1) pin_arduino.h file: which variant did you use? I used the one from Maniaccbug's core;2) when you recompiled the bootloader, did you only modify the make file to create the new entry for 1284p or did you modify the bootloader code too?
It appears that the DIP version of the 1284p has a communications issue on UART0 (Atmel issue). I assume that you are using CrossRoads SMD 1284p board, so it will not affect your setup. We did get it to work properly using the 16MHz external resonator but not the crystal (don't ask...). So, while not perfect, everything is somewhat workable.
Can someone tell me more about this issue?
@leo72: You can use the 16MHz crystals with westfw's UART1 variant of Optiboot for the 1284p. It just means you have to upload your sketches through UART1 and change the Serial to Serial1 in the sketches.
QuoteCan someone tell me more about this issue?http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=107115
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