[En-Nut-Discussion] EIR pin multiplexing.

[samkelo tyatyantsi]

Hi Harald,
 
Thanks for the response, I did try to check if its possible to do this on the configurator, but I did'nt find any settings relating to RTS/CTS emulation, or do I need to define them in some file??
 
Regards.
Samkelo.
 
> Hi Samkelo,
> 
> On 15.11.2010 16:23, samkelo tyatyantsi wrote:
> > I'm trying to use USART1 hardware handshake lines, RTS1 and CTS1, but
> > these pins are used by the SDRAM as SDA10 and SDCKE respectively. Is
> > there a way to use those pins for both functions without causing
> > trouble to the board.
> 
> I think that there is no chance to make use of these pins without losing
> SDRAM contents.
> 
> Never tested it myself with the EIR, but in general Nut/OS supports
> RTS/CTS handshaking emulation with any GPIO pin. You need to define
> UART1_RTS_BIT, UART1_RTS_PIO_ID, UART1_CTS_BIT and UART1_CTS_PIO_ID in
> the Configurator and rebuild the libraries to enable this function.
> 
> Regards,
> 
> Harald