CARAMBOLA2 FLASH MANUAL (linux version)

The carambola flashing script is written in python. The function which it performs is:

Step 1

Download the prepared archive with the flashing scripts. Scripts are written in python and by default you will need extra modules.

Step 2

After extracting the zip file. Run following commands:

apt-get update
apt-get install python-paramiko
apt-get install python-serial
apt-get install tftpd-hpa

Step 3

Place the tftpboot folder at the root directory "/" mv carambola_atheros/tftpboot /tftpboot. Path will be /tftpboot.

Step 4

Edit tftp-hpa configuration file at /etc/default/tftpd-hpa accordingly:

TFTP_USERNAME="tftp"
TFTP_DIRECTORY="/tftpboot"
TFTP_ADDRESS="0.0.0.0:69"
TFTP_OPTIONS="--secure"

Step 5

Navigate to carambola_atheros folder.

Open vi carambola_cfg.ini and edit start and end of MAC ranges.

Open vi atheros_start.py and change IP addresses and serial interface if needed, by default interface on linux is /dev/ttyUSB0

Step 6

Plug serial cable to carambola2 and to PC

Step 7

Enter the command below to start script sudo python atheros_start.py. Push reset button on the board to restart it.

If all steps completed successfully you will have window similar to the one below and the flashing procedure will start:

IMPORTANT: after each serial cable unplugging you will have to reload the atheros_start.py script with: sudo python atheros_start.py