Knowledge Base

Configuration: 29 result(s) found
Installation: 17 result(s) found
Hardware: 8 result(s) found
Miscellaneous: 28 result(s) found
Troubleshooting: 26 result(s) found


There are 33 search results for ""
What ports are used with the ADDP protocol?
Category: Configuration, Hardware, Installation, Troubleshooting
ADDP uses udp port 2362 and a mulicast ip address of You will need to enable these on your firewall for the ADDP protocol to work for the device discovery utility.
How to install and use Wireshark (Ethereal) for Ethernet Packet Sniffing
Category: Installation, Miscellaneous, Troubleshooting
Wireshark Installation and Usage This document was put together to assist in the installation and usage of an Ethernet packet sniffing utility called Wireshark. To install Wireshark you will need to go to ...
Use of content from Digi manuals
Category: Miscellaneous
Content from Digi manuals may be used by our OEM customers in their own documentation subject to the following conditions: Clearly state: "Parts of this manual are used by permission of Digi, Inc." Submit a copy of the...
Building JFFS2 rootfs fails due to mkfs.jffs2 returns non zero exit code (Aborted). E.g.: /usr/local/DigiEL-5.0/scripts/ line 98: 9723 Aborted mkfs.jffs2 ...
Category: Installation, Troubleshooting
This is a bug in the Linux tool mkfs.jffs2 occuring on some processors/Linux distributions. To fix it, install an updated mkfs.jffs2 binary into your toolchain, e.g. into: /usr/local/LxNETES-2.3/arm-elf/bin/mkfs.jffs2 /targets/yourproject/LxNETES-...
How do I program my Linux images onto a Digi embedded module?
Category: Configuration, Installation, Miscellaneous
Single (or batch) modules you get for Linux, will only come with a pre-installed unreleased U-Boot intended for quality test purposes at Digi. Be aware this version will change from time to time: so always reprogram with your own customized U-Boot ve...
creating partitions and updating U-Boot from U-Boot bootscript / autoscript does not work due to interactive inputs required
Category: Configuration, Miscellaneous, Troubleshooting
U-Boot autoscript feature is described in /usr/local/DigiEL-5.2/docs/Software/U-Boot_Reference_Manual.pdf Revision H in section 6. However when using this for production, it does not allow to run "flpart" or "update uboot" from this, as those command...
How do I recompile Digi pre-compiled binaries with different options, with Digi Embedded Linux 5.7 toolchain. Example: wpa_supplicant
Category: Configuration, Installation, Miscellaneous, Troubleshooting
Mount the Digi Embedded Linux 5.7 Live DVD and copy the Digi toolchain patches to a local directory: example package: wpa_supplicant # cp -r /media/DigiEL_LiveDVD/toolchain/del_toolchain/packages/wpa_supplicant/ ~ # chmod -R u+rwX ~/wpa_supplica...
How to create multiple users in Digi Embedded Linux (5.7 onwards)
Category: Configuration, Miscellaneous
1. Create a default FULL Project in DEL , build and update these images onto target (eg: ccwmx51). 2. Connect to serial console of target. 3. By default you will be having a user 'default' UID:1000 with group 'users' GID:100 . p { margi...
How do I get a user login prompt in Digi Embedded Linux bootup on Connect & ConnectCore devices ?
Category: Configuration, Miscellaneous
DEL with kernel or above will support multiple users on target boards. ie: 5.7, 5.8, 5.9 etc. To get user login prompt in Linux boot follow the below :- Create a DigiEL-Kernel/Rootfs/U-boot Project in Digi ESP for DEL Edit work...
Ping command doesn't work in second ethernet interface in linux if both are configured in same subnet
Category: Configuration, Miscellaneous, Troubleshooting
If two interfaces are in same subnet then there could be a chance for linux kernel to choose the first to appear on routing table. use route command to cross check routing table. Because chances are there in linux kernel where it sees...
How to recompile Qt with Digi Embedded Linux 5.8
Category: Configuration, Installation, Miscellaneous, Troubleshooting
On a Linux PC where you have installed your Digi Embedded Linux ESP and toolchain, typically under /usr/local/DigiEL-*/ create a local working directory and change into it. E:g. # mkdir ~/DEL58toolchain # cd ~/DEL58toolchain Mount the Digi Emb...
ConnectCore NAND Flash has bad blocks, how to get rid of it?
Category: Configuration, Hardware, Miscellaneous, Troubleshooting, Installation
Bad Blocks are inherent to Nand Flash. Once a block become bad, it is useless forever, you cannot get rid of it. These are maintained in Flash using a Bad Blocks Table(BBT) and bad blocks marking functionality. ->>What is Nand Fla...
How to disable the cursor when displaying a full screen splash image in Linux
Category: Configuration, Troubleshooting, Miscellaneous
to disable the frame buffer console cursor, you can pass the following to the kernel command line via U-Boot: setenv std_bootarg vt.global_cursor_default=0 saveenv You can re-enable it during runtime from Linux command line with: # echo -e ...
How to display a full resolution Linux boot logo
Category: Configuration, Miscellaneous, Troubleshooting
When trying to use your own Linux boot logo (instead of Tux penguin splash) according to Digi ESP instructions to change logo_custom_clut224.ppm, you will notice that higher resolution logos will not be displayed. In order allow higher or...
How to display a centered Linux boot logo with DEL5.6 or DEL5.7
Category: Configuration, Installation, Miscellaneous, Troubleshooting
Kernel config option for a centered boot logo is available since DEL5.8. To add this feature to Digi Embedded Linux 5.6 (DEL5.6) or DEL5.7 please save patch below as "centeredlogo.patch" and apply the patch. For DEL5.6: # cd /usr/local/Digi...
How to find out the date code and manufacturing location information of Digi Products.
Category: Configuration, Hardware, Installation, Miscellaneous
Depending on the location the units are built effects the orientation, linked below is the date code from USA or Thailand.  The date code is 4 digits, 2 digit year and 2 digit week (YYWW) so in these examples the 26th week of 2012. Thailand M...
uboot tftp transfer is not working on office/work laptop, but works on desktop, why?
Category: Configuration, Hardware, Installation, Troubleshooting
Office laptops usually will have VPN installed. It appears that some VPN Clients will reconfigure MTU value to 1300 bytes, presumably as a requirement of the VPN tunnel or to minimize delays. This means that when using a TFTP server with the opti...
how to use different GPIOs for gpio_test_c example
Category: Configuration, Hardware, Troubleshooting, Miscellaneous
The gpio_test example is using BUTTON2 and LED2 on (Wi-)i.MX53. In order to use different pins, you need to modify the example application gpio_test.c: } plat_list[PLAT_NONE + 1] = { .. MK(CCMX53JS, "ccmx53js", "BUTTON2", "LED2", MX5X_GPIO(4,1), ...
Booting Linux or Android, you observe a message like: Ganges-SDIO WLAN: probe of mmc0:fffd:1 failed with error 1 and you notice WiFi does not work.
Category: Configuration, Miscellaneous, Troubleshooting
During manufacturing test, Digi operations switches driver to RF evaluation mode. On some batches Digi missed to switch back to normal mode, which is causing the Linux WLAN drivers not to work. To fix the problem set U-Boot environment variable w...
Wi-i.MX53 or i.MX53 modules seem not to boot reliably on a Digi Wi-i.MX53 JumpStart board
Category: Troubleshooting, Miscellaneous, Hardware, Configuration
The JSCCWMX53 has an autoboot circuit. This circuit is used to select if we want to press the "Power" button for booting or if we want to boot when the supplies are ON. The autoboot circuit generates a low level pulse, simulating a power button pres...
By default Linux kernel logo will be disabled after about 10min. Meaning the screen gets blank. This holds also for custom kernel logos.
Category: Configuration, Miscellaneous, Troubleshooting
In order to keep the logo being displayed, you can pass consoleblank=0 kernel command line during boot (from U-Boot command line prompt): # setenv std_bootarg consoleblank=0; saveenv Or during runtime (e.g. with a script in /etc/init.d) dis...
Understanding MTBF (Mean Time Between Failures)
Category: Hardware, Installation, Miscellaneous
MTBF is defined as the point in time at which 1/e devices on average will still be operational (1/e is approximately 37%) Furthermore, MTBF specifically excludes wear-out factors.  A fan’s MTBF may be dozens of years but it will  i...
How to install multiple releases of Digi Embedded Linux(DEL) together
Category: Configuration, Installation, Miscellaneous, Troubleshooting
Default DEL installation folder is /usr/local/DigiEL-x.y and should not be installed as root. Declarations: Digi Embedded Linux package comes with an Eclipse based IDE 'Digi ESP' .  Digi has tested Digi ESPs on - 5.2 on Kubuntu 8.10 ...
WiFi interface not working on Wi-i.MX28, Wi-i.MX51 or Wi-i.MX53  Linux
Category: Configuration, Installation, Miscellaneous, Troubleshooting
If your Wi-i.MX28 boots up with a boot log message like: Starting network. modprobe: chdir( No such file or directory Loading ath6kl_sdio module: [FAILED] ifconfig: SIOCGIFFLAGS: No such device Starting dropbear sshd: OK...
How to run D-Bus session bus on DEL modules?
Category: Configuration, Miscellaneous, Troubleshooting
When you work with QT's Inter-Process Communication (IPC) and Remote Procedure Calling (RPC) mechanism , ie: D-Bus , you might have faced some errors like shown below: Failed to start message bus:Failed to read directory '/etc/dbus-1/session....
How to work with ADDP device discovery protocol and devices running embedded Linux like ConnectCore, ConnectCard, Digi Connect ME 9210
Category: Configuration, Installation, Miscellaneous, Troubleshooting
In order to be able to search for embedded Linux devices in your local network with the ADDP protocol using broadcasts/multicasts you need to add the "addpd" to your root file system. This can be done in Digi Embedded Linux ESP in a rootfs project j...
How to recover a ConnectCore Wi-i.MX53 module using SD or MircoSD card, programming the card under Windows.
Category: Configuration, Miscellaneous, Troubleshooting
If U-Boot in flash fails to boot & NO output is being observed on the serial port during Power up, you can try recovery using a MicroSD Card or SD Card. For the recovery you need: JSK Development board. A Micro SD Card or SD Ca...
Running QT application on DEL modules shows NO output in LCD display
Category: Configuration, Hardware, Troubleshooting
A Qt for Embedded Linux application requires a server application to be running, or to be the server application itself. Any Qt for Embedded Linux application can be the server application by constructing the QApplication object with the QApplication...
Digi Embedded Linux (DEL) graphical project or kernel configuration fails with: make -k xconfig HOSTCXX scripts/kconfig/qconf.o make: ***[xconfig] Error 2
Category: Configuration, Installation, Miscellaneous, Troubleshooting
Sometimes you see more details, e.g.: make -k xconfig   CHECK   qt sed < /usr/local/DigiEL-5.9/scripts/scripts/kconfig/lkc_proto.h > scripts/kconfig/lkc_defs.h 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'   HOSTCC&n...
U-Boot prompt change is not reflected. Prompt remains unchanged.
Category: Configuration, Troubleshooting
The following patch which will be released with DUB-1.6.4.x or higher fixing the problem. You need to patch the U-Boot (1.6.3.x) sources in /usr/local/DigiEL-5.9/bootloader/u-boot-denx/ and after patching create a new U-Boot project (delete the old ...
U-Boot project rebuild throws error
Category: Troubleshooting, Miscellaneous, Configuration
When using DEL- rebuilding an U-Boot project you will get: make -k rebuild Generating include/ Generating include/ make[1]: *** No rule to make target `ccardwmx28js_config'. make: *** [uboot_distclean] Error ...
When running Android installer under Linux, getting: 2: Syntax error: end of file unexpected (expecting ")")
Category: Installation, Troubleshooting, Configuration, Miscellaneous
The Android installer is maybe a 32bit LSB ELF executable. You can check this with: file showing you something about 32bit. If you are running a 64bit Ubuntu you have to install the 32bit libraries: sudo apt-get install ...
OpenSSL Heartbleed fix for Digi Embedded Yocto 1.4
Category: Configuration, Installation, Miscellaneous
The OpenSSL Heartbleed fix for Digi Embedded Yocto 1.4  is available in the github repositories. The instructions to fetch the Digi Embedded Yocto 1.4.1 update are as follows -  For customers who are deploying Digi Embedded Yocto for t...
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