[En-Nut-Discussion] problem using fflush() (Klaus Kloos)

Harald Kipp harald.kipp at egnite.de
Tue Oct 25 19:50:36 CEST 2011

Hi Henrik,

On 25.10.2011 14:59, Henrik Maier wrote:

> One dirty trick to use the UART rather GPIO with DMX512 is switching the 
> baudrate form 250kbit/s to 57600 and then to send a nul (0x00) character 
> to simulate the break and then back to 250kbit/s. The 88 us length 
> requirement is a minimum, so it can be longer.

Aha! So that's what Klaus already tried to do when switching to 9600 Baud.

Hopefully my hint about the watermark will help him to get rid of the delay.



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