On Tue, Nov 15, 2005 at 07:18:35PM -0800, David Wolfskill wrote: > On Tue, Nov 15, 2005 at 06:09:33PM -0800, Rob wrote: > > ... > > > > Yes. See above URL. The advantage is that you can > > > (hopefully) capture a log of your debug session. > > > Send a serial BREAK and you should get a DDB> > > > prompt. > > > > What is this "serial BREAK"? > > How do I "send a serial BREAK" at the serial > > console? Is this some magic key combination? > > I'm probably saying something about my age by doing this.... :-} > > A "BREAK" (in serial communications) is an absence of start or stop > bits for more than a character's worth of bits, is handled as a > "framing error," and is distinct from any character.
If your serial program has trouble sending a break, you can use the ALT_BREAK_TO_DEBUGGER config option which instead listens for a sequence of ascii input: #define KEY_CR 13 /* CR '\r' */ #define KEY_TILDE 126 /* ~ */ #define KEY_CRTLB 2 /* ^B */ Kris
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