From: Craig H. <cr...@gu...> - 2005-09-22 22:21:30
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On Sep 22, 2005, at 3:14 PM, Jony Hudson wrote: > Craig Hughes wrote: > > >>> I's be surprised if the gumstix is failing in a way that >>> generates garbage on the serial port, but maybe it happens. I'd >>> imagine it would either work or just output nothing. >>> >> I've seen it happen a on a lot of gumstix where there's garbage >> at the beginning of flash. Bad ARM instruction which causes and >> exception, and guess what's in the exception handler? Yup, bad >> ARM instruction. >> > > Interesting. I've never looked at the PXA datasheet, so I'm > completely uninformed -- but I would have guessed that you'd need > to execute a reasonably unlikely set of instructions to get > anything out of the UARTs. Live and learn ... Yes, I agree -- very unlikely to get anything out of the UART. I thought you were saying it was likely you'd get something out. C |