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  9. From: Derek A Benner <dbenner@pacbell.net>
  10. Newsgroups: alt.lang.delphi,aus.electronics,comp.dcom.modems,comp.home.automation,comp.lang.pascal.delphi.misc,comp.protocols.kermit.misc,sci.electronics.design
  11. Subject: Re: Xmodem specs required
  12. Date: Thu, 13 Nov 1997 08:21:26 -0800
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  24.  
  25. huisman wrote:
  26. > 
  27. > Hi,
  28. > I'm not sure which is best group for data communications but
  29. > does anyone have information regarding Xmodem protocol.
  30. > I am wanting to write 8051 code for data logger to communicate
  31. > with PC.(PC end will be Win 95 (Delphi 2 ) app.
  32. > 
  33. > Please email me if you can help.
  34. > 
  35. > Regards
  36. > Dave Huisman
  37.  
  38. Dave,
  39.  
  40. The very best, inexpensive resource for XMODEM, in *my* opinion, comes
  41. in the book, "The Programmer's Guide to Serial Communications".  This
  42. book, by Tim Kientzle and published by Coriolis Group Books, covers the
  43. XModem, YModem, ZModem and Kermit communications protocols and gives C
  44. source.  If you're writing for an 8051, you'll find C source incredibly
  45. useful as many good 8051-C compilers and cross-compilers exist.  It runs
  46. $39.95 with disk-USDollars and has the ISBN 1-883577-20-9.
  47.  
  48. HTH
  49.  
  50. Derek