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Discussion Groups | TMS320C54x | Re: regarding hpi
Technical discussions about the TI C54x DSPs (including the c5401, c5402, c5402a, c5404, c5407, c5409, c5409a, c5410, c5410a, c5416, c5420, c5421, c5441, c549, c5470 and c5471).
regarding hpi - AJIT S - Apr 22 7:12:00 2004
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hi i have 2 questions to ask. 1) why do we need to run api' on visual c++? 2) what process r included in interfacing hpi that is in creating a channel(tms320c6711dsk)? |
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Re: regarding hpi - Jeff Brower - Apr 22 17:08:00 2004
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Ajit S.H. > i have 2 questions to ask. > 1) why do we need to run api' on visual c++? > 2) what process r included in interfacing hpi that is > in creating a channel(tms320c6711dsk)? Using that method, you can communicate at medium rate (up to 200 to 300 kbyte/sec) with DSP. Data moves from parallel port to CPLD logic interface (on DSK board) to HPI port on DSP. People typically do this for 2 reasons: -data transfer rate is than what CCS can normally do with the DSK board using JTAG, and -to allow development of programs that use the DSK board in popular coding environments such as C++ and Visual Basic without CCS being involved The above applies to DSK C6711 and DSK C5402. -Jeff |
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