[En-Nut-Discussion] UART Problem

Ole Reinhardt ole.reinhardt at kernelconcepts.de
Wed Oct 27 13:27:03 CEST 2004


Hi!

> does anyone know why I can't see any output on rs232 by using self made 
> atmega128 board, on Ethernut original HW there is no problem?

Have you set the compiler flag: -DNUT_CPU_FREQ=x where x is your CPU
frequency? You need to set this if you'r design does not have a 32Khz
crystal installed and / or you dont use the same clock frequency.

Regards,

Ole Reinhardt

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