How to reed data from 18F4550 EEPROM into EXCEL via PC USB interface?

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  1. - 30th May 2010, 05:50 #1
    ardhuru's Avatar
    ardhuru
    ardhuru is offline Senior Member
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    USB is not my forte (yet!), but from what little I understand (Bruce, Darrel or any of the other Gurus can confirm or rubbish this), if you use CDC descriptors on the pic side it would be equivalent to using a RS232-to-serial. Then, you dont need to worry about inputing data from USB into Excel; just assign a low com port to the virtual connection and Excel wouldnt even know the data is coming over USB, not the serial port.

    Regards,

    Anand
  2. - 30th May 2010, 08:02 #2
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    mackrackit
    mackrackit is offline SuperMod
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    Quote Originally Posted by ardhuru View Post
    USB is not my forte (yet!), but from what little I understand (Bruce, Darrel or any of the other Gurus can confirm or rubbish this), if you use CDC descriptors on the pic side it would be equivalent to using a RS232-to-serial. Then, you dont need to worry about inputing data from USB into Excel; just assign a low com port to the virtual connection and Excel wouldnt even know the data is coming over USB, not the serial port.

    Regards,

    Anand
    I am not a guru but you are correct.
    Dave
    Always wear safety glasses while programming.
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