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Re: SPORT Hang on 21065L

Started by canb...@yahoo.co.in May 25, 2007
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> I am using the ADSP21065L chip and right now just implementing a
>simple sport transfer between a PC serial port and the DSP chip on a
>custom board(with a RS-232 Transceiver). I am sending a 32 bit
>value to the DSP chip and echoing it back to the PC. What seems to
>happen after a while is that the DSP SPORT receive interrupt no
>longer gets yanked. I have tried to RESET the sport by setting the
>control regisiter to 0x00 and then setting it to it's working value,
>but the DSP chip still does not respond to a transmission of a
>serial word. If I halt the process and check the IMASK regsiter the
>correct sport receive interrupt is enabled.
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>Any ideas why my SPORT might be hanging??
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>thanks much
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>ryan
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> i am also having the same problem as yours while transfering data in a similar way......but when i check in the memory content,most of the time intended task is done but i could not see the interrupt happening while i check the processor state......if you have solve your problem please help me...
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