NavCom Sapphire Rev.J User Manual
Page 445

Sapphire Technical Reference Manual Rev. J
445
PC
Receiver Bootloader1 or Bootloader2
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
unsynchronization of changing baud rate between
PC and receiver. It is suggested that this command
be sent out at 1 Hz rate until a reply is received.
10. Reply “[BOOTLOADB]NB_PingRep”
11. Send “[BOOTLOADB]NB_SetupCmd”
12. Reply “[BOOTLOADB]NB_SetupRep”
13. Send “[BOOTLOADB]NB_LoadDataCmd”
14. Reply “[BOOTLOADB]NB_LoadDataRep”
15. Repeat step 13 and 14 until all the software
image data are sent
16. Send “[BOOTLOADB]NB_ChkCrcCmd”
17. Reply “[BOOTLOADB]NB_ChkCrcRep”
18. Send “[BOOTLOADB]NB_ProgCmd”
19. Start to erase Flash and send out
“[BOOTLOADB]NB_Working” at 1 Hz rate
20. Re
ply “[BOOTLOADB]NB_EraseRep” when
finished erasing the Flash
21. Start to write new data to Flash and send out
“[BOOTLOADB]NB_Working” at 1 Hz rate
22. Reply “[BOOTLOADB]NB_WriteFRep” when
finished writing new data to the Flash
23. Send
“[BOOTLOADB]NB_ResetCmd”
24. Reply “[BOOTLOADB]NB_ResetRep” and do
GNSS software reset.