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README

README

Section 1. Intro
=====================================================================
This is an attempt to publicly and non-offically update the core
OS (linux) for the Syanspe Wireless E10. 

Synapse Wireless's E10 page:
http://www.synapse-wireless.com/index.php?mainID=3&subID=3&type=product&prodID=10

Synapse Wireless's E10 product brief:
http://www.synapse-wireless.com/documents/products/SYNAPSE_SNAP_Connect_E10.pdf

The E10 comes in a few varieties, but they all essentially have the same basic
hardware. An Atmel AT91SAM9G20 processor, 64 MB Ram, 256 MB Nand Flash, and a
RF Engine of some kind. (RF100/RF200/RF300)

Synapse Wireless's RF Engine overview:
http://www.synapse-wireless.com/index.php?mainID=3&subID=3&type=product&prodID=3

The main purpose of the E10 is to run software called Snap Connect. Snap 
Connect is python code to interface between the RF Engine and some other
system. The "some other system" is your system of choice. Some people have
the E10 collect data from the RF Engines, then upload the data with HTTP 
calls. There are other ways, but this is about upgrading the core OS of
the E10. 

Section 1.A Why upgrade the E10 OS?
=====================================================================
The stock E10 OS/applications run fine. (Linux 2.6.33, python 2.6.6, 
buildroot 2010.02, busybox 1.13.x)
Do you need more USB Wifi (802.11 b/g/n) cards supported? 
Do you need more USB Cellular Data Modems supported?

Those were my primary reasons for updating. I hear python 2.7 adds 
some nice features and libraries. Since Snap Connect is python 
based, and your main application on the E10 is in python, this will
help with some issues. 

This build is based on Linux 3.0.4, buildroot 2011.11-git, python 
2.7.2, busybox 1.19.2. 

The updated linux kernel add support for many newer USB Cell/Wifi
devices. The updated buildroot updates many packages, including
python, busybox, (adds udev), the gcc compiler, and many other
packages used. 

Section 2. How to upgrade the E10?
=====================================================================
I have spent a considerable ammount of time to ease the upgrade 
process. The output of this set of directories and scripts is a zip
file. 

*BACKUP YOUR IMPORTANT FILES!* *BACKUP YOUR IMPORTANT FILES!*
*BACKUP YOUR IMPORTANT FILES!* *BACKUP YOUR IMPORTANT FILES!*

- backup important files on the E10! The E10 will be erased!
- Get a FAT or FAT32 formatted USB Flash Drive
- Extract zip file (e10-next-datetime.zip) to the root direcotry
  of the flash drive.
- plug flash drive into E10
- Connect to (USB) serial port of the E10
- Login to you E10, type reboot
- Press any key to interrupt U-Boot when it counts down
- Copy/Paste the following commands into U-boot at the U-Boot> 
  prompt:
setenv loadaddr '0x21000000'
setenv bootargs 'console=ttyS0,115200 root=/dev/mtdblock1 mtdparts=atmel_nand:16M(kernel)ro,120M(rootfs),4M(kernel2),16M(recovery),-(logs) rw rootfstype=jffs2'
setenv bootcmd 'run bootsnap;run upgrade;run bootswrecovery'
setenv bootsnap 'nboot 0x21000000 0 a0000'
setenv bootswrecovery 'nboot 0x21000000 0 400000'
setenv ubootargs 'setenv bootargs console=ttyS0,115200 root=/dev/mtdblock1 mtdparts=atmel_nand:16M(kernel),120M(rootfs),4M(kernel2),16M(recovery),-(logs) rw rootfstype=jffs2'
setenv upgrade 'run ubootargs;usb start;fatload usb 0 0x21000000 uImage-e10i;bootm 0x21000000'
setenv ubenv 'usb start;fatload usb 0 0x21000000 setenv.img;source 0x21000000'
saveenv
run upgrade

- This will load the upgrade kernel from the USB Drive and 
  boot it
- login as root with no password
- ./upgrade.sh
- If everything goes fine, type reboot

At this point, unplug the USB drive. Login to your freshly instaled
E10 linux. Things to do:
- Install snap connect
- set root password (type passwd)
- setup networking: 
  Defaults to DHCP on eth0 (wired ethernet)
  Edit /etc/network/interfaces if you want static ip
  Edit /etc/wpa_supplicant.conf for your wireless AP/Key
- As part of the upgrade, your /root directory was backed up to
  /var/log/rootbkup.tar

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