| #!/usr/bin/python3 |
| |
| import binascii |
| |
| # Fetch and trim whitespace from the wlan mac |
| with open('/sys/class/net/wlan0/address') as mac_address_file: |
| mac_address = mac_address_file.read().strip() |
| |
| # Split the address on :, reverse the order, rejoin and convert to binary. |
| # This gives it to us in the proper endianness to write into the EEPROM. |
| mac_address_bin = binascii.a2b_hex(''.join(reversed(mac_address.split(':')))) |
| |
| # Overwrite the EEPROM at the correct offset. |
| # With this as a real value instead of zeroes, the bluetooth driver |
| # will use the address instead of generating a random one. |
| with open('/lib/firmware/EEPROM_MT7668.bin', 'r+b') as eeprom: |
| eeprom.seek(0x384) |
| eeprom.write(mac_address_bin) |
