User's Manual

CHAPTER3
BootingtheA753
17
CommandsavailableinBootloaderMode
For a list of the available commands, type HELP at the > prompt.
Note: Square brackets (like “[arg]” or “[arg1 arg2]”) enclose optional
arguments,which may be omitted
HELP
Available commands:
upgrade [type] [baudrate] ... upgrade (firmware/
coprocessor, 19200/115200)
version ... show the version of the bootloader
state ... show the board state
reboot [id] ... reboot the RTU
firmware ... start the firmware
help ... display this helptext
0
>
Note: The output of the HELP command may differ depending on the RTU
type.
The STATE command can be used to check the battery level, solar
charger state and the RTU’s current temperature.
STATE
Battery: 6.2 V (full charge)
Temperature: 26 degree Celsius
0
>
FirmwareMode
When you enter firmware mode by typing the command FIRMWARE,
the following message is displayed in the Hyperterminal window:
FIRMWARE
Checking firmware ........... found!
Checking storage ............... ok!
46339 0
#
The bootloader scans the program memory for a valid firmware by
testing the checksum, which takes a moment. If everything is correct,
the "firmware found!" message appears.