Re: [Gumstix-users] Enabling HWUART

[Chris D. <cg...@co...>]

On 6/21/06, Ryan Rapetti <rjr...@uc...> wrote:
> We're trying to enable the HWUART on a connex 400xm, no bluetooth.  We
> don't need the cfstix.  I found several places on the wiki that show how
> to set the gpio lines.  Neither seems to work completely. The gumstix
> can recieve but not send using kermit.  It smells like a flow control
> problem, and I also saw something somewhere about patching the kernel to
> disable flow control, but the patch was not on the page.  I'm reasonably
> certain that the cables are ok, but I'll check anyhow.  Any ideas?

Ryan,

You shouldn't need to patch the kernel as long as you disable flow
control in whatever you're using to talk to the serial port.  In
ckermit, I believe the command you want is "set flow none".

best,
-chris