REFERENCE MANUAL - FTP Directory Listing - Trimble

FIRMWARE UPGRADE 11
Packet ID – 0x86 (Change Baud Rate)
This packet forces the target system to change the serial baud rate to the specified
rate. The valid baud rate values are listed in the table below. The target system returns
ACK in the old baud rate before the change and another ACK in the new baud rate if
the change succeeds. If the baud rate change fails, the unit returns NAK in the old
baud rate.
Table 11.5
Change Baud Rate
BYTE 0 BYTE 1 BYTE 2 BYTE 3 BYTE 4 BYTE 5
0x02 0x00 0x86 Baud CHKSM 0x03
Table 11.6
Change Baud Rate
Parameter Data Type Description
Baud Rate Byte Baud Rate:
5 – 2400 bps
6 – 4800 bps
7 – 9600 bps
8 – 19200 bps
9 – 38400 bps
10 – 57600 bps
11 – 115200 bps
Packet ID – 0x8F (Erase Firmware Section)
This packet initiates the erase operation on the target. It only erases the firmware
portion of the Flash chip. The target returns either ACK or NAK indicating the result
of the operation.
Table 11.7
Erase Firmware Section
BYTE 0 BYTE 1 BYTE 2 BYTE 3 BYTE 4 BYTE 5
0x02 0x00 0x8F 0x00 0x8F 0x03
Copernicus GPS Receiver 113