Yacht Devices YDNU-02NF, Руководство пользователя

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X. Programming Considerations
We welcome software developers who are interested in supporting Gateway protocols, and especially
RAW mode protocol. We promise free technical support within reasonable limits and free testing
of your products, even if you do not have a Device.
Table 1. Recommended mode activation sequences
Mode Recommended
activation
sequence
(hexadecimal)
Comments
0183 24 0A Mode can be activated also by sending a valid NMEA 0183 sentence
starting with ‘$’ (hexadecimal 24) or ‘!’ (hexadecimal 21) symbols.
RAW 30 0A Mode can be activated also by sending of valid message in RAW format.
Or by any sequence starting with ‘0’..’9’, ‘a’...’f’ or ‘A’..’F’ characters.
See appendix E for details.
N2K 10 02 A1 03 11 02
00 49 10 03
This sequence is used in the Canboat application to turn on “Receive
All Messages” mode on ActiSense NGT. Any sequence starting
with 10 02 bytes will activate N2K mode on the Device.
1. A copy of Appendix B of NMEA 2000 Standard must be purchased from the National Marine
Electronics Association ( www.nmea.org ) to develop software which supports N2K or RAW mode.
2. The application must enable DTR signaling or manually set the DTR signal after opening
the Device port and reset the DTR signal on close. In Microsoft Windows, this can be done
with EscapeCommFunction and SetCommState API functions.
3. You should assume that the Device functions in AUTO operation mode, and you must not try
to switch the mode with the YDNU MODE command without permission from the user if a mode that
is non-compatible with your application is active.