[ECOS] Clarification on serial port drivers

Sergei Gavrikov sergei.gavrikov@gmail.com
Thu May 20 13:21:00 GMT 2010


On Thu, 20 May 2010, Manuel Borchers wrote:

[snip]

> But when I link my simple serial demo application, which tries to
> use /dev/haldiag, /dev/ser0 and printf directly, /dev/haldiag works
> fine. /dev/ser0 isnt't found and printf rises the assertion "
> Cyg_StdioStream::write() Stream object is not a valid stream!".
>
> So I used arm-eabi-nm to see if the serial routines have been linked in.
> And there I saw, that the netx_serial* functions aren't in there. only
> the general serial functions are there, but the serial_init() is never
> being called.

Hi Manuel,

You must enable next CDL component: CYGPKG_IO_SERIAL_DEVICES to built-in
your serial driver.

HIH

Sergei

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