[U-Boot-Users] what is the purpose of "serial_tstc()"?
Frank
frannk_m1 at yahoo.com
Wed Apr 27 16:56:49 CEST 2005
It returns a true if there is a char in the serial input buffer.
I usually use it when I'm in an inifinit loop and want to break
out if some hits the keyboard. Similar to "?key" in Forth.:-)
--- wnlee1109 at gmail.com wrote:
>
> Hello, u-boot community,
>
> When I wrote the hardware dependent parts of serial functions,
>
> I cannot understand what should I write for "serial_tstc()".
>
> What is the purpose of "serial_tstc()"?
> Does anyone know?
>
> Thanks
> Wayne
>
>
>
>
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