Trimble Outdoors 58052-00 Benutzerhandbuch
Copernicus GPS Receiver 1 1 3
FIRMWARE UPGRADE 1 1
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.
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.
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.
portion of the Flash chip. The target returns either ACK or NAK indicating the result
of the operation.
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
Table 11.7
Erase Firmware Section
BYTE 0
BYTE 1
BYTE 2
BYTE 3
BYTE 4
BYTE 5
0x02
0x00
0x8F
0x00
0x8F
0x03