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Discussion Groups | Analog Devices DSPs | adsp2191 one confused problem!
Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).
adsp2191 one confused problem! - zhangzs0422 - Oct 18 9:29:00 2004
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Using adsp2191,i maked a board.i found a problem that the dmpg1/dmpg2 is can only be set to 0.if it is others,when the read or write operation appear the programme stopped! is there other body who ever met it? please tell me the reason Thank you for your advice! |
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Re: adsp2191 one confused problem! - duhlynn - Oct 18 12:16:00 2004
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Zhang, So you made a board with some external memory or mapped I/O devices? And, your program hangs because you change the DMPG1 and DMPG2? Do you interrupts enabled? If so, are you preserving the state of DMPG1 and DMPG2? By the way, DMPG1/DMPG2 do not have secondary registers. Regards, Tim Dahlin --- In , "zhangzs0422" <zhangzs0422@y...> wrote: > Using adsp2191,i maked a board.i found a problem that the dmpg1/dmpg2 > is can only be set to 0.if it is others,when the read or write > operation appear the programme stopped! > is there other body who ever met it? please tell me the reason > Thank you for your advice! |
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