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paloncho

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    LabVIEW 2009
  • Since
    2009

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  1. Hello Guys, I am a little bit stucked with my final project at the university. I chose to make a RS422/ MIL-STD 1553 converter on vhdl lenguage. I'm not gonna make the circuit implementation, just to make a simulation on vhdl and show that it's possible to communicate both protocols (well, if we can name RS422 as protocol, I'd name it an standard). We're using intel uC 8051 embedded into vhdl (I found all 8051 functional blocks programmed in vhdl). So, to summarize, "uC 8051" is gonna be the converter between 422 and 1553, ok? vhdl programming was going to be very rough, so I decided to go some levels up.... I'm using keil uVision3: I'm programing BC and RT functions in C, then keil gives me assembler codes and the idea is to convert that code to get binary code (a colleague has a tool that does that). This binary code is going to be insert into RAM module of 8051 vhdl code to try this "simulated" uC 8051 make the protocol convertion. I have C code working ok..... I mean, it builds and unbuilds 1553 protocol well. I'm not really complaining about RS422.... I'm just gonna put 8 bits each time on a RS422 port and send them. As where I know, RS422 has an UART port that "packages" 8 bits with an start and stop bit. So, there is no protocol in fact... Am I wrong? My HUGE question is..... Do you thing it's gonna be possible that vhdl code does the same that I obtain with C code (after making the 2 translations I mencioned before)? I mean, build and unbuild 1553 protocol doing these steps? Do you think this is so crazy? I'll wait for your answer...... If you don't get anything, please let me know, I'll try to be more specific. Thanks a lot for your help and time. BR, Pablo.-
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