How to set RS232 speed in gdb in WinNT?
Chris Faylor
cgf@cygnus.com
Fri Mar 31 18:29:00 GMT 2000
On Sat, Apr 01, 2000 at 09:46:40AM +1000, David Williams wrote:
>Use -b command line option to change baud rate
>
>eg. gdb -b 115200
>to set baud rate 115200 baud.
>Dave.
Note that in some older versions of the Cygwin DLL (possibly in B20.1)
there was an error which caused the 115200 baud rate to be incorrectly
handled. Everything should work ok if you are using the Cygwin CD or if
you are using a later cygwin snapshot.
cgf
>Serge Nikulin wrote:
>> I use gdb for remote debugging of m68k target, compiled with MRI
>> <--host=i686-pc-cygwin32 --target=m68k-motorola-ieee>
>> Native MRI' X-Ray debugger does not support our home-made RTOS.
>> GDB works but I have few questions.
>>
>> 1) Currently ieee-695 bfd section is not connected to gdb, so I work without
>> src.
>> I've checked examples of coff and aout conections and it does not look
>> as a 1-day job for me
>> (including the fact that ieee-695 support in bfd is incomplete).
>> Does anyone have ieee + gdb experience?
>>
>> 2) In my gdb session under WinNT I use command "target remote com1"
>> In this case gdb connects to COM1 at 9600 baud. I'd like to change this
>> speed (say, to 38400) but I can't. I've changed default speed for COM1 in
>> WinNT's control panel but it did not help. It looks like I have to pass that
>> speed to cygwin.dll somehow. How can I do that?
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