NavCom Sapphire Rev.J - Manual (Page 70)

Sapphire Technical Reference Manual Rev. J
70
PC Receiver Navigation Software
6. If the PC wants to change the baud rate, send
“[BOOTLOADB]NB_BaudCmd”; otherwise, go to
step 11.

This command is not sent under certain
circumstances. Refer to section 1.19.3.3
for more details.
7. Send “[BOOTLOADB]NB_BaudRep” and start to
change receiver baud rate.
8. After receiving “[BOOTLOADB]NB_BaudRep”,
change PC baud rate.
9. Send “[BOOTLOADB]NB_PingCmd” again at
new baud rate. This message may need to be
sent multiple times before a reply is received,
due to lack of synchronization between PC and
receiver because of the changing baud rate.
Sending this command at 1 Hz rate until a reply
is received is recommended.
10. Reply with “[BOOTLOADB]NB_PingRep”
11. Send “[BOOTLOADB]NB_SetupCmd” 12. Reply with “[BOOTLOADB]NB_SetupRep”
13. Send “[BOOTLOADB]NB_LoadDataCmd” 14. Reply with “[BOOTLOADB]NB_LoadDataRep”
15. Repeat step 13 and 14 until all the software
image data are sent
16. Send “[BOOTLOADB]NB_ChkCrcCmd” 17. Reply with “[BOOTLOADB]NB_ChkCrcRep”
18. Send “[BOOTLOADB]NB_ProgCmd” 19. Start to erase Flash and send out
“[BOOTLOADB]NB_Working” at 1 Hz rate
20. Reply with “[BOOTLOADB]NB_EraseRep”
when finished erasing the Flash
21. Start to write new data to Flash and send
“[BOOTLOADB]NB_Working” at 1 Hz rate
22. Reply with “[BOOTLOADB]NB_WriteFRep”
when finished writing new data to the Flash
23. Send “[BOOTLOADB]NB_ResetCmd” 24. Reply with “[BOOTLOADB]NB_ResetRep” and
do GNSS software reset.

For information on loading firmware without using StarUtil 3000, see Appendix G.