Difference between revisions of "User:Pau pajuelo"

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m (→‎DM3730: Decode an AAC audio file (OK))
 
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−
= Write your First C Program using ECLIPSE IDE =
+
= TODO:  =
  
−
== Overview  ==
+
Categorize new tutorials
  
−
ECLIPSE IDE is a software development environtment, this software package is very popular because you can extend its functionalities installing pluggins. C source code applications can be compiled in ECLIPSE using Autoconf tools or a Makefile. Autoconf tools can be useful if you want to develop a huge application with a lot of software dependencies, but this method can be tedious if you develop a simple application.
+
How to manage the kernel modules on Linux
  
−
At IGEP v3.0 VM, ECLIPSE includes Linux tools and Yocto plugin to develop C applications for IGEP firmware as quickly and easily as possible.
+
How do I edit my kernel command line
  
−
== Requisites ==
+
== AUDIO DSP-ARM==
  
−
In this how-to, we use:
+
===Included (IGEP GST DSP):===
 +
'''AACHEDEC -> DEC AACHE (OK)'''
  
−
*VMware or VirtualBox virtualization software
+
http://download.wavetlan.com/SVV/Media/HTTP/FAAC-HE-AAC.aac
−
*IGEP SDK v3.0 Virtual Machine RC2 with ECLIPSE IDE<br>
 
−
*IGEP BOARD with Ethernet communication (for example IGEPv2)<br>
 
−
*MANUAL IGEP SDK v3.0 VM
 
−
*Hello world example for ECLIPSE
 
  
−
== Getting started ==
+
gst-launch --gst-debug-level=2 filesrc location=sampleaache.m4a ! TIAuddec1 codecName=aachedec engineName=codecServer ! volume volume=0.25 ! alsasink sync=false
  
−
First at all, you should read MANUAL IGEP SDK v3.0 VM and follow the next instructions:
+
outofthebox->ok
  
−
*Install your Virtual Machine
+
----
−
*Install your Virtual Machine Guest additions
 
−
*Prepare your Rootfs in your Micro SD Card
 
−
*Connect to your IGEP Board using Ethernet Commnication
 
−
*Build programs using ECLIPSE IDE
 
  
−
= ECLIPSE IDE  =
+
'''MP3DEC -> DEC MP3 (AUDIO ERRORS)'''
  
−
Eclipse IDE is a software development environtment., this software package is very popular because you can extend its functionalities installing pluggins. At IGEP v3.0 VM Eclipse includes Linux tools and Yocto plugin to develop C applications for IGEP firmware.  
+
- Followed README file from ISEE - IGEP DSP - GST + DMAI Support Package 3.40.00
  
−
Source code C applications can be compiled in Eclipse using a simple Makefile or Autoconf tools. Autoconf tools can be useful if you want to develop a huge application with a lot of dependencies, VM Eclipse Examples use Autotools, this method can be tedious and is not recomended for simple programs.
+
http://www.stephaniequinn.com/Music/Canon.mp3
  
−
= Write your First Program using ECLIPSE =
+
gst-launch --gst-debug-level=2 filesrc location=Canon.mp3 ! TIAuddec1 codecName=mp3dec engineName=codecServer ! volume volume=0.25 ! alsasink sync=false
  
−
ECLIPSE IDE
+
'''Random fatal bit error'''
  
 +
'''mp3-plugin doesn't resolve the error'''
  
 +
----
  
−
At "Getting started chapter" you compiled some source example programs for ECLIPSE that use Autoconf
+
'''G711DEC -> DEC PCM uLAW (speech) (NOT TESTED)'''
 +
 
 +
'''G711ENC -> ENC PCM uLAW (speech) (NOT TESTED)'''
 +
 
 +
===Not included  (IGEP GST DSP):===
 +
'''ACCLCDEC -> DEC AACLE (NOT TESTED)'''
 +
 
 +
'''AACLDDEC -> DEC AACLD (NOT TESTED)'''
 +
 
 +
'''WMA9 -> DEC WMA9 (COMPILING ISSUES)'''
 +
 
 +
'''ACCLCENC -> ENC AACLE (NOT TESTED)'''
 +
 
 +
'''ACCHEENC -> ENC AACHE (NOT TESTED)'''
 +
 
 +
'''AACLDENC -> ENC AACLD (NOT TESTED)'''
 +
 
 +
'''WMA8 -> ENC WMA8 (NOT TESTED)'''
 +
 
 +
'''Problems adding codecs into igep-gst-dsp'''
 +
 
 +
== DM3730==
 +
 
 +
=== DM3730: Decode a MP3 file (OK) (ADDED TO REPOSISTORIES)===
 +
 
 +
'''under contruction'''
 +
 
 +
'''does not have an accelerated audio decoder element'''
 +
 
 +
- Compiled gst-plugins-ugly using yocto tools
 +
 
 +
- rpm -igst-plugins-ugly-0.*.rpm
 +
 
 +
- rpm -i libmad0-0.*.rpm
 +
 
 +
- rpm -i gst-plugins-ugly-mad-0.*.rpm
 +
 
 +
- gst-launch filesrc location=sample.mp3 ! mad ! volume volume=0.25 ! alsasink
 +
 
 +
=== DM3730: Decode a RA or RM audio file (ERRORS)===
 +
 
 +
gst-launch --gst-debug-level=3 filesrc location=sample.ra ! rmdemux ! volume volume=0.25 ! alsasink
 +
 
 +
http://www.superluminal.com/andalib/ra/listen.ra
 +
 
 +
gst-plugins-ugly-rmdemux-0.10.19-r1.armv7a.rpm
 +
 
 +
libgstsdp-0.10-0-0.10.36-r3.armv7a.rpm:
 +
libgstsdp-0.10-0
 +
libgstsdp-0.10.so.0
 +
 
 +
libgstrtsp-0.10-0-0.10.36-r3.armv7a.rpm:
 +
libgstrtsp-0.10-0
 +
libgstrtsp-0.10.so.0
 +
 
 +
'''Error:'''
 +
 
 +
0:00:00.084839071  1550  0xa137b0 WARN                rmdemux rmdemux.c:1012:gst_rmdemux_chain:<rmdemux0> Bogus looking header, unprintable FOURCC
 +
 
 +
0:00:00.085052695  1550  0xa137b0 WARN                rmdemux rmdemux.c:1012:gst_rmdemux_chain:<rmdemux0> Bogus looking header, unprintable FOURCC
 +
 
 +
0:00:00.085540976  1550  0xa137b0 WARN                rmdemux rmdemux.c:1057:gst_rmdemux_chain:<rmdemux0> Unknown object_id .ra4
 +
 
 +
0:00:00.085693564  1550  0xa137b0 WARN                rmdemux rmdemux.c:1012:gst_rmdemux_chain:<rmdemux0> Bogus looking header, unprintable FOURCC
 +
 
 +
0:00:00.085815634  1550  0xa137b0 WARN                rmdemux rmdemux.c:1012:gst_rmdemux_chain:<rmdemux0> Bogus looking header, unprintable FOURCC
 +
 
 +
0:00:00.085907187  1550  0xa137b0 WARN                rmdemux rmdemux.c:1057:gst_rmdemux_chain:<rmdemux0> Unknown object_id RaTC
 +
 
 +
=== DM3730: Decode an AAC audio file (OK)===
 +
 
 +
EXTRA_OECONF += "--disable-examples --disable-experimental --disable-sdl --disable-cdaudio --disable-directfb \
 +
                --with-plugins=musicbrainz,wavpack,ivorbis,mpegvideoparse,'''faad2''' --disable-vdpau --disable-apexsink \
 +
                --disable-orc"
 +
Install:
 +
 
 +
 
 +
faad2-2.7-r2.armv7a.rpm
 +
libfaad2-2.7-r2.armv7a.rpm
 +
gst-plugins-bad-faad-0.10.23-r2.armv7a.rpm
 +
 
 +
'''maybe there are necessary more packages, compare actual gst-bad-recipe and add changes. Necessary add faad2 recipe'''
 +
<pre>bitbake faad2 gst-plugins-bad</pre>
 +
<pre> rpm -i faad2-2.7-r2.armv7a.rpm
 +
rpm -i libfaad2-2.7-r2.armv7a.rpm
 +
rpm -i gst-plugins-bad-faad-0.10.23-r2.1.armv7a.rpm
 +
</pre>
 +
 
 +
gst-launch --gst-debug-level=3 filesrc location=sample.aac ! faad ! volume volume=0.10 ! alsasink
 +
 
 +
==== DM3730: Decode an WMA audio file (OK)====
 +
 
 +
<pre>bitbake gst-ffmpeg</pre>
 +
 
 +
<pre>gst-launch -v filesrc location=sample.wma ! asfdemux ! decodebin ! audioconvert ! volume volume=0.25 ! alsasink  </pre>
 +
 
 +
=== DM3730: Decode an OGG audio file (OK)===
 +
 
 +
'''Into repositories (base plugins):'''
 +
 
 +
http://upload.wikimedia.org/wikipedia/en/0/04/Rayman_2_music_sample.ogg
 +
 
 +
gst-launch -v filesrc location=sample.ogg ! oggdemux ! vorbisdec ! audioconvert ! volume volume=0.25 ! alsasink
 +
 
 +
== BASE0033 CONNECTOR SUMMARY TABLE==
 +
 
 +
== Configure a static IP using the same private network range ==
 +
 
 +
'''under construction'''
 +
 
 +
IGEP Firmware Yocto uses the following Ethernet network configuration (IP addresses)
 +
 
 +
*eth0 − 192.168.5.1
 +
*eth0:0 − assigned via dhcp.
 +
 
 +
This Ethernet network configuration is really useful when you work using a Linux operating system like IGEP SDK Virtual Machine. Because you use eth0 device to communicate easily with your board and eth0:0 device to get Internet acces using dhcp protocol.
 +
 
 +
But some scenarios this network configuration is not useful, for example: if you use a non-Linux operating system, connect to two IP private range interfaces is not simple. This How-to can be useful to
 +
 
 +
(Make diagram one: IGEP and Linux defualt communication. Diagram 2 IGEP and other SO alternative configuration)
 +
 
 +
= igep.ini parameters  =
 +
 
 +
The kernel command line syntax is name=value1. These next parameters are supported in igep.ini since IGEP-X_Loader 2.4.0-2:
 +
 
 +
=== [kernel]  ===
 +
 
 +
{| align="JUSTIFY" cellpadding="1" border="1" style="width: 900px; height: 240px;"
 +
|-
 +
| '''Parameter Name'''
 +
| '''Description'''
 +
| '''Default value'''
 +
| '''Comments'''
 +
|-
 +
| kaddress
 +
| Kernel copy address
 +
| =0x80008000
 +
| Hex memory address
 +
|-
 +
| rdaddress
 +
| Ram Disk location address
 +
| =0x81600000
 +
| Hex memory address;<br>disabled by default
 +
|-
 +
| serial.low
 +
| Serial number (low part)
 +
| =00000001
 +
| Numeric
 +
|-
 +
| serial.high
 +
| Serial number (high part)
 +
| =00000000
 +
| Numeric
 +
|-
 +
| revision
 +
| Revision ID
 +
| =0003
 +
| Numeric
 +
|-
 +
| kImageName
 +
| Kernel, binary image name
 +
| =zImage
 +
| Kernel or binary image name
 +
|-
 +
| kRdImageName
 +
| Kernel RAM Disk Image Name
 +
| -
 +
| Ram Disk image name
 +
|-
 +
| MachineID
 +
| Machine ID (kernel ID)
 +
| ;IGEPv2<br>=2344
 +
| ;Module<br>=2717<br>;Proton<br>=3203
 +
|-
 +
| Mode
 +
| Boot Mode
 +
| ;Linux kernel<br>=kernel
 +
| ;Other image (like uboot)<br>[binary image]
 +
|}
 +
 
 +
=== [kparams]  ===
 +
 
 +
{| align="JUSTIFY" cellpadding="1" border="1" style="width: 900px; height: 1095px;"
 +
|-
 +
| '''Parameter Name'''
 +
| '''Description'''
 +
| '''Default value'''
 +
| '''Comments'''
 +
|-
 +
| buddy
 +
| Enable/disable expansion board support
 +
| &nbsp;;IGEPv2 Expansion Board support<br>=igep0022
 +
| &nbsp;;Berlin and Paris Expansion Board support<br>=base0010<br>New York Expansion<br>=ilms0015
 +
|-
 +
| console
 +
| Setup the kernel console parameters
 +
| =ttyO2,115200n8
 +
| -
 +
|-
 +
| earlyprintk
 +
| Enable early printk
 +
| -
 +
| -
 +
|-
 +
| mem
 +
| Setup the Board Memory Configuration
 +
| =430M
 +
| -
 +
|-
 +
| boot_delay
 +
| Setup the boot delay
 +
| =0
 +
| -
 +
|-
 +
| mpurate
 +
| Setup ARM Processor Speed
 +
| -
 +
| -
 +
|-
 +
| loglevel
 +
| Setup the loglevel
 +
| -
 +
| -
 +
|-
 +
| debug
 +
| Enable kernel debug output
 +
| -
 +
| -
 +
|-
 +
| fixrtc
 +
| Fix RTC variable
 +
| -
 +
| -
 +
|-
 +
| nocompcache
 +
| Configure nocompcache variable
 +
| =1
 +
| -
 +
|-
 +
| omapfb.mode
 +
| Configure frame bugger configuration
 +
| =dvi:hd720-16@50
 +
| &nbsp;;Other configuration<br>=dvi:1280x720MR-16@60
 +
|-
 +
| vram
 +
| Configure Video RAM assigned to every frame buffer
 +
| -
 +
| -
 +
|-
 +
| omapfb.vram
 +
| Configure Video RAM assigned to every frame buffer
 +
| -
 +
| -
 +
|-
 +
| omapfb.debug
 +
| Configure frame buffer debug output
 +
| -
 +
| -
 +
|-
 +
| omapdss.debug
 +
| Configure DSS Video debug output
 +
| -
 +
| -
 +
|-
 +
| smsc911x.mac0
 +
| Configure Board Ethernet Mac Address
 +
| =0xb2,0xb0,0x14,0xb5,0xcd,0xde
 +
| For IGEP BERLIN
 +
|-
 +
| smsc911x.mac1
 +
| Configure Board Ethernet Mac Address
 +
| =0xb2,0xb0,0x14,0xb5,0xcd,0xdf
 +
| For IGEP BERLIN (only with IGEP PROTON)
 +
|-
 +
| smsc911x.mac
 +
| Configure Board Ethernet Mac Address
 +
| =0xb2,0xb0,0x14,0xb5,0xcd,0xde
 +
| For IGEPv2, IGEP PROTON, IGEP PARIS and IGEP BERLIN
 +
|-
 +
| ubi.mtd
 +
| Fot UBI FS boot
 +
| -
 +
| -
 +
|-
 +
| root
 +
| Configure root directory for MMC, NFS or UBI
 +
| &nbsp;;For mmc memory<br>=/dev/mmcblk0p2 rw rootwait
 +
| &nbsp;;For flash memory<br>=/dev/mtdblock2
 +
|-
 +
| nfsroot
 +
| For NFS boot
 +
| -
 +
| -
 +
|-
 +
| rootfstype
 +
| For UBI FS boot
 +
| -
 +
| -
 +
|-
 +
| ip
 +
| For NFS boot
 +
| -
 +
| -
 +
|-
 +
| init
 +
| Assign init program
 +
| -
 +
| -
 +
|-
 +
| musb_hdrc.debug
 +
| USB debug
 +
| -
 +
| -
 +
|-
 +
| musb_hdrc.use_dma
 +
| USB over network
 +
| -
 +
| -
 +
|-
 +
| libertas.libertas_debug
 +
| Configure libertas debug
 +
| -
 +
| -
 +
|-
 +
| board.ei485
 +
| Enable/disable RS485
 +
| &nbsp;;Enable RS485<br>=yes
 +
| &nbsp;;Disable RS485<br>=no
 +
|-
 +
| board.modem
 +
| Enable/disable GPRS modem
 +
| &nbsp;;Enable modem (IGEPv2 Expansion)<br>=no
 +
| &nbsp;;Enable modem (IGEPv2 Expansion)<br>=yes
 +
|-
 +
| buddy.revision
 +
| Enable hardware buddy revision [A or B]
 +
| Only for base0010<br>=A
 +
| Only for base0010<br>=B
 +
|}

Latest revision as of 15:28, 5 September 2014

TODO:

Categorize new tutorials

How to manage the kernel modules on Linux

How do I edit my kernel command line

AUDIO DSP-ARM

Included (IGEP GST DSP):

AACHEDEC -> DEC AACHE (OK)

http://download.wavetlan.com/SVV/Media/HTTP/FAAC-HE-AAC.aac

gst-launch --gst-debug-level=2 filesrc location=sampleaache.m4a ! TIAuddec1 codecName=aachedec engineName=codecServer ! volume volume=0.25 ! alsasink sync=false

outofthebox->ok

MP3DEC -> DEC MP3 (AUDIO ERRORS)

- Followed README file from ISEE - IGEP DSP - GST + DMAI Support Package 3.40.00

http://www.stephaniequinn.com/Music/Canon.mp3

gst-launch --gst-debug-level=2 filesrc location=Canon.mp3 ! TIAuddec1 codecName=mp3dec engineName=codecServer ! volume volume=0.25 ! alsasink sync=false

Random fatal bit error

mp3-plugin doesn't resolve the error

G711DEC -> DEC PCM uLAW (speech) (NOT TESTED)

G711ENC -> ENC PCM uLAW (speech) (NOT TESTED)

Not included (IGEP GST DSP):

ACCLCDEC -> DEC AACLE (NOT TESTED)

AACLDDEC -> DEC AACLD (NOT TESTED)

WMA9 -> DEC WMA9 (COMPILING ISSUES)

ACCLCENC -> ENC AACLE (NOT TESTED)

ACCHEENC -> ENC AACHE (NOT TESTED)

AACLDENC -> ENC AACLD (NOT TESTED)

WMA8 -> ENC WMA8 (NOT TESTED)

Problems adding codecs into igep-gst-dsp

DM3730

DM3730: Decode a MP3 file (OK) (ADDED TO REPOSISTORIES)

under contruction

does not have an accelerated audio decoder element

- Compiled gst-plugins-ugly using yocto tools

- rpm -igst-plugins-ugly-0.*.rpm

- rpm -i libmad0-0.*.rpm

- rpm -i gst-plugins-ugly-mad-0.*.rpm

- gst-launch filesrc location=sample.mp3 ! mad ! volume volume=0.25 ! alsasink

DM3730: Decode a RA or RM audio file (ERRORS)

gst-launch --gst-debug-level=3 filesrc location=sample.ra ! rmdemux ! volume volume=0.25 ! alsasink

http://www.superluminal.com/andalib/ra/listen.ra

gst-plugins-ugly-rmdemux-0.10.19-r1.armv7a.rpm

libgstsdp-0.10-0-0.10.36-r3.armv7a.rpm: libgstsdp-0.10-0 libgstsdp-0.10.so.0

libgstrtsp-0.10-0-0.10.36-r3.armv7a.rpm: libgstrtsp-0.10-0 libgstrtsp-0.10.so.0

Error:

0:00:00.084839071 1550 0xa137b0 WARN rmdemux rmdemux.c:1012:gst_rmdemux_chain:<rmdemux0> Bogus looking header, unprintable FOURCC

0:00:00.085052695 1550 0xa137b0 WARN rmdemux rmdemux.c:1012:gst_rmdemux_chain:<rmdemux0> Bogus looking header, unprintable FOURCC

0:00:00.085540976 1550 0xa137b0 WARN rmdemux rmdemux.c:1057:gst_rmdemux_chain:<rmdemux0> Unknown object_id .ra4

0:00:00.085693564 1550 0xa137b0 WARN rmdemux rmdemux.c:1012:gst_rmdemux_chain:<rmdemux0> Bogus looking header, unprintable FOURCC

0:00:00.085815634 1550 0xa137b0 WARN rmdemux rmdemux.c:1012:gst_rmdemux_chain:<rmdemux0> Bogus looking header, unprintable FOURCC

0:00:00.085907187 1550 0xa137b0 WARN rmdemux rmdemux.c:1057:gst_rmdemux_chain:<rmdemux0> Unknown object_id RaTC

DM3730: Decode an AAC audio file (OK)

EXTRA_OECONF += "--disable-examples --disable-experimental --disable-sdl --disable-cdaudio --disable-directfb \ 

                --with-plugins=musicbrainz,wavpack,ivorbis,mpegvideoparse,faad2 --disable-vdpau --disable-apexsink \
                --disable-orc"

Install:


faad2-2.7-r2.armv7a.rpm libfaad2-2.7-r2.armv7a.rpm gst-plugins-bad-faad-0.10.23-r2.armv7a.rpm

maybe there are necessary more packages, compare actual gst-bad-recipe and add changes. Necessary add faad2 recipe 

bitbake faad2 gst-plugins-bad
 rpm -i faad2-2.7-r2.armv7a.rpm
rpm -i libfaad2-2.7-r2.armv7a.rpm
rpm -i gst-plugins-bad-faad-0.10.23-r2.1.armv7a.rpm

gst-launch --gst-debug-level=3 filesrc location=sample.aac ! faad ! volume volume=0.10 ! alsasink

DM3730: Decode an WMA audio file (OK)

bitbake gst-ffmpeg
gst-launch -v filesrc location=sample.wma ! asfdemux ! decodebin ! audioconvert ! volume volume=0.25 ! alsasink

DM3730: Decode an OGG audio file (OK)

Into repositories (base plugins):

http://upload.wikimedia.org/wikipedia/en/0/04/Rayman_2_music_sample.ogg

gst-launch -v filesrc location=sample.ogg ! oggdemux ! vorbisdec ! audioconvert ! volume volume=0.25 ! alsasink

BASE0033 CONNECTOR SUMMARY TABLE

Configure a static IP using the same private network range

under construction

IGEP Firmware Yocto uses the following Ethernet network configuration (IP addresses)

  • eth0 − 192.168.5.1
  • eth0:0 − assigned via dhcp.

This Ethernet network configuration is really useful when you work using a Linux operating system like IGEP SDK Virtual Machine. Because you use eth0 device to communicate easily with your board and eth0:0 device to get Internet acces using dhcp protocol.

But some scenarios this network configuration is not useful, for example: if you use a non-Linux operating system, connect to two IP private range interfaces is not simple. This How-to can be useful to

(Make diagram one: IGEP and Linux defualt communication. Diagram 2 IGEP and other SO alternative configuration)

igep.ini parameters

The kernel command line syntax is name=value1. These next parameters are supported in igep.ini since IGEP-X_Loader 2.4.0-2:

[kernel]

Parameter Name Description Default value Comments
kaddress Kernel copy address =0x80008000 Hex memory address
rdaddress Ram Disk location address =0x81600000 Hex memory address;
disabled by default
serial.low Serial number (low part) =00000001 Numeric
serial.high Serial number (high part) =00000000 Numeric
revision Revision ID =0003 Numeric
kImageName Kernel, binary image name =zImage Kernel or binary image name
kRdImageName Kernel RAM Disk Image Name - Ram Disk image name
MachineID Machine ID (kernel ID)  ;IGEPv2
=2344 		 ;Module
=2717
;Proton
=3203
Mode Boot Mode  ;Linux kernel
=kernel 		 ;Other image (like uboot)
[binary image]

[kparams]

Parameter Name Description Default value Comments
buddy Enable/disable expansion board support  ;IGEPv2 Expansion Board support
=igep0022 		 ;Berlin and Paris Expansion Board support
=base0010
New York Expansion
=ilms0015
console Setup the kernel console parameters =ttyO2,115200n8 -
earlyprintk Enable early printk - -
mem Setup the Board Memory Configuration =430M -
boot_delay Setup the boot delay =0 -
mpurate Setup ARM Processor Speed - -
loglevel Setup the loglevel - -
debug Enable kernel debug output - -
fixrtc Fix RTC variable - -
nocompcache Configure nocompcache variable =1 -
omapfb.mode Configure frame bugger configuration =dvi:hd720-16@50  ;Other configuration
=dvi:1280x720MR-16@60
vram Configure Video RAM assigned to every frame buffer - -
omapfb.vram Configure Video RAM assigned to every frame buffer - -
omapfb.debug Configure frame buffer debug output - -
omapdss.debug Configure DSS Video debug output - -
smsc911x.mac0 Configure Board Ethernet Mac Address =0xb2,0xb0,0x14,0xb5,0xcd,0xde For IGEP BERLIN
smsc911x.mac1 Configure Board Ethernet Mac Address =0xb2,0xb0,0x14,0xb5,0xcd,0xdf For IGEP BERLIN (only with IGEP PROTON)
smsc911x.mac Configure Board Ethernet Mac Address =0xb2,0xb0,0x14,0xb5,0xcd,0xde For IGEPv2, IGEP PROTON, IGEP PARIS and IGEP BERLIN
ubi.mtd Fot UBI FS boot - -
root Configure root directory for MMC, NFS or UBI  ;For mmc memory
=/dev/mmcblk0p2 rw rootwait 		 ;For flash memory
=/dev/mtdblock2
nfsroot For NFS boot - -
rootfstype For UBI FS boot - -
ip For NFS boot - -
init Assign init program - -
musb_hdrc.debug USB debug - -
musb_hdrc.use_dma USB over network - -
libertas.libertas_debug Configure libertas debug - -
board.ei485 Enable/disable RS485  ;Enable RS485
=yes 		 ;Disable RS485
=no
board.modem Enable/disable GPRS modem  ;Enable modem (IGEPv2 Expansion)
=no 		 ;Enable modem (IGEPv2 Expansion)
=yes
buddy.revision Enable hardware buddy revision [A or B] Only for base0010
=A 		Only for base0010
=B
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