openWRT

openWRT - BT Home Hub 5 how to install

There are plenty of tutorials out in the internet with extensive explanation about the pros and cons of installing openWRT in a home router.

This tutorial is to meant to grab only the relevant steps of the installation process :

The table below is very important cause a common mistake will be to connect the TX to TX and RX to RX, however it is the opposite.

Pin No.	USB Serial to TTL Adapter	Wire Colour	Home Hub Connection Point
1	n/a	White	boot_sel2 / R45 Pad
2	n/a	n/a	GND / Use the USB socket ground/case pin
3	TX	Green	RX / R78 Pad
4	RX	Red	TX / R77 Pad
5	GND	n/a	GND / Use the ground plane connection of the capacitor

Turn on the device with boot_sel2 connected to GND and as soon as you see the terminal output below disconnect it from ground.

Type [C-a] [C-h] to see available commands
Terminal ready

ROM VER: 1.1.4
CFG 04
UART

And, follow this tutorial to upload the modifed boot loader image to the router.

It's been a bit of trouble to set the TFTP server on my linux distro.

A service was already running on port 69 and preventing tftpd-hpa to start and it had to be stopped :

service inetutils-inetd stop

External Links