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Compex WPJ342

This document explains several ways to compile compile qMp for a Compex WPJ342.

Standard compilation

1) Get the OpenWrt Attitude Adjustment 12.09 SDK for the WPJ342 from Compex: http://www.compex.com.sg/openwrtdownload.aspx

2) Save the OpenWrt SDK file to your working directory and extract it (as of 23rd July 2014, the latest version is sdkowrt-140604.tar.bz2, which comes inside the file b140604.rar):

tar -xf sdkowrt-140604.tar.bz2

and enter to the newly created directory "sdkowrt-140604".

3) By default this SDK builds the firmware for the WPJ344 board, not the WPJ342. The Makefile file needs to be slightly changed. Open it with your text editor and find the section "standard_config:":

standard_config:
    cp $(CONFIG_PATH)/wpj344.config $(OWRT_DIST_LOCAL_PATH)/.config
    rm -rf $(OWRT_DIST_LOCAL_PATH)/tmp

Replace it with:

standard_config:
    cp $(CONFIG_PATH)/wpj342.config $(OWRT_DIST_LOCAL_PATH)/.config
    rm -rf $(OWRT_DIST_LOCAL_PATH)/tmp

4) Run make to compile OpenWrt (without qMp, by now):

make

This will take a while and will download several megabytes of files to ~/dl-openwrt. If you want extra verbosity, run make V=99 to get details of the compilation.

5) The compilation will fail, since the hotplug2 package sources are no longer available at the destination stated in its Makefile. Edit openwrt/package/hotplug2/Makefile with your favourite editor and replace this:

PKG_SOURCE_PROTO:=svn
PKG_SOURCE_VERSION:=$(PKG_REV)
PKG_SOURCE_SUBDIR:=hotplug2-$(PKG_VERSION)
PKG_SOURCE_URL:=http://svn.nomi.cz/svn/isteve/hotplug2
PKG_SOURCE:=$(PKG_SOURCE_SUBDIR).tar.gz
#PKG_SOURCE_URL:=http://isteve.bofh.cz/~isteve/hotplug2
#PKG_MD5SUM:=ea2c01d027b4002e4e6b0ff266f51a51

with this:

PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://downloads.openwrt.org/sources/
PKG_MD5SUM:=7bab8ba67555a8400424f3c92ec67579

See https://dev.openwrt.org/changeset/41503 for details.

6) Retry compilation:

make

7) Compilation should finish successfully, showing this last message and no more errors:

make[1]: Leaving directory '/B/qMp/WPJ342/WPJ342_36088/openwrt'

8) The binary file openwrt-ar71xx-generic-wpj342-squashfs-factory.img in the openwrt/bin/ar71xx/ directory:

$ ls openwrt/bin/ar71xx/openwrt-ar71xx-generic-wpj342-squashfs-factory.img 
openwrt/bin/ar71xx/openwrt-ar71xx-generic-wpj342-squashfs-factory.img

Now OpenWrt is compiled. qMp packages still have to be added to the compilation.

9) Enter the openwrt directory and edit the file feeds.conf.default and add the following line:

src-git qmp git://qmp.cat/qmp.git
src-git routing git://github.com/openwrt-routing/packages.git 

If you intend to compile qMp 3.0.1 Clearance, add instead these two lines:

src-git qmp git://qmp.cat/qmp.git
src-svn routing https://github.com/openwrt-routing/packages@670

10) Update and install the feeds:

./scripts/feeds update -a
./scripts/feeds install -a

11) Using menuconfig select the qmp-small-node package:

make menuconfig

Browse to qMp and select qmp-small-node:

<*> qmp-small-node................... Required addons for small qMp mesh node

12) Exit saving the configuration.

13) Compile again:

make

14) After the compilation process, the qMp image for the Compex WPJ342 is located at openwrt/bin/ar71xx/openwrt-ar71xx-generic-wpj342-squashfs-factory.img. You can flash it using your preferred method (web interface, TFPT, etc.). If you use TFTP, it seems that the board does not reboot automatically after writing the image to the NAND flash memory, so this must be done manually.

15) The image comes without a password for the root user. Log in via telnet or using the web interface and set it.

Compex WPJ342 running qMp 3.0.1 Clearance
qMp 3.0.1 Clearance running on a Compex WPJ342The NC software architecture diagram. Click on the image to see it full-size.

Compiling with the latest OpenWrt Attitude Adjustment 12.09 revision

The OpenWrt SDK provided by Compex is based on Attitude Adjustment 12.09 revision 36088, which does not contain several bugfixes and repository changes included in the following ones. It can be a good idea to build OpenWrt from the last revision, still version Attitude Adjustment 12.09.

1) Follow steps 1 to 3 in the Standard Compilation section.

2) Check the latest revision number for OpenWrt. Go to https://dev.openwrt.org/changeset and get the last change/revision number (as of 23rd July 2014 it is 41811).

3) Edit the Makefile with your favourite text editor and replace this:

OWRT_DIST_SVN_REV = 36088

...

OWRT_PKGS_SVN_REV = 36089

with the latest revision:

OWRT_DIST_SVN_REV = 41811

...

OWRT_PKGS_SVN_REV = 41811

4) Check the latest revision number for LuCi. Go to http://svn.luci.subsignal.org and get the last revision number (as of 23rd July 2014 it is 10459).

5) Edit the Makefile with your favourite text editor and replace this:

FEEDS_LUCI_SVN_REV = 9656

with the latest revision:

FEEDS_LUCI_SVN_REV = 10459

6) Edit the file config/wpj342.config with your favourite editor. Replace this:

# CONFIG_PACKAGE_libip6tc is not set

with this:

CONFIG_PACKAGE_libip6tc=y

Also add the line CONFIG_PACKAGE_libjson-c=y, for instance just before this:

CONFIG_PACKAGE_libjson=y

like here:

CONFIG_PACKAGE_libjson-c=y
CONFIG_PACKAGE_libjson=y

Otherwise compilation will fail.

7) Run make to start compilation:

make

or make V=99 for extra verbosity.

8) Compilation should finish successfully. The binary file openwrt-ar71xx-generic-wpj342-squashfs-factory.img in the openwrt/bin/ar71xx/ directory:

$ ls openwrt/bin/ar71xx/openwrt-ar71xx-generic-wpj342-squashfs-factory.img 
openwrt/bin/ar71xx/openwrt-ar71xx-generic-wpj342-squashfs-factory.img

Now OpenWrt is compiled. qMp packages still have to be added to the compilation.

9) Enter the openwrt directory and edit the file feeds.conf.default.

Remove ;for-12.09.x" from the line @src-git routing git://github.com/openwrt-routing/packages.git;for-12.09.x and add the qMp packages feed. From this:

src-git routing git://github.com/openwrt-routing/packages.git;for-12.09.x

to this:

src-git routing git://github.com/openwrt-routing/packages.git
src-git qmp git://qmp.cat/qmp.git

10) Update and install the feeds:

./scripts/feeds update -a
./scripts/feeds install -a

11) Using menuconfig select the qmp-small-node package:

make menuconfig

Browse to qMp and select qmp-small-node:

<*> qmp-small-node................... Required addons for small qMp mesh node

12) Exit saving the configuration.

13) Compile again:

make

14) After the compilation process, the qMp image for the Compex WPJ342 is located at openwrt/bin/ar71xx/openwrt-ar71xx-generic-wpj342-squashfs-factory.img. You can flash it using your preferred method (web interface, TFPT, etc.). If you use TFTP, it seems that the board does not reboot automatically after writing the image to the NAND flash memory, so this must be done manually.

15) The image comes without a password for the root user. Log in via telnet or using the web interface and set it.

Compiling from OpenWrt trunk

1) Get the OpenWrt trunk SDK for the WPJ342 from Compex: http://www.compex.com.sg/openwrtdownload.aspx

2) Save the OpenWrt SDK file to your working directory and extract it (as of 23rd July 2014, the latest version is sdk-r40719-b140527-ath10k.tar.bz2):

tar -xf sdk-r40719-b140527-ath10k.tar.bz2

3) Enter the newly created directory sdk-r40719-b140527-ath10k.

4) If you want to compile with the latest trunk revision, check the latest revision number for OpenWrt. Go to https://dev.openwrt.org/changeset and get the last change/revision number (as of 23rd July 2014 it is 41811). Edit the Makefile and replace this:

OWRT_DIST_SVN_REV = 40719

with:

OWRT_DIST_SVN_REV = 41811

5) Run make, or make V=99 for extra compilation verbosity:

make

Compex_WPE342-qMp_3.0.1_Clearance.jpg Visualitzar - Compex WPE342 running qMp 3.0.1 Clearance (212 KB) Roger Pueyo Centelles, 23-07-2014 17:50

Compex_WPJ342-qMp_3.0.1_Clearance.jpg Visualitzar - Compex WPJ342 running qMp 3.0.1 Clearance (212 KB) Roger Pueyo Centelles, 23-07-2014 17:52