dbug image

Started by in comp.arch.embedded16 years ago 2 replies

Hi, I am trying to setup ucLinux on MCF5282 EVB from Motorola. However I have deleted internal dbug, with which I can download Linux kernel....

Hi, I am trying to setup ucLinux on MCF5282 EVB from Motorola. However I have deleted internal dbug, with which I can download Linux kernel. Does anybody know where to download an image of dbug, which I could store to Flash memory of 5282 using CFlasher program of Motorola? Thanks in advance, G.B.


Building the Board Support Packages

Started by piyushpandey in comp.arch.embedded8 years ago 7 replies

Hello TO all guys I want to know that how to make a BSP ( Board support Packages ) for a new hardware using Linux kernel. I mean is there...

Hello TO all guys I want to know that how to make a BSP ( Board support Packages ) for a new hardware using Linux kernel. I mean is there any tutorial in regard with this topic. Also what are the basic requirements in order to move in this direction. Actually I want to practice it and want to test it on the virtual emulator like Qemu and than I will port it to my new hardware. ...


Problem Porting nucleus onto AT91RM9200

Started by psriniva in comp.arch.embedded14 years ago 1 reply

Hi, I am trying to port Nucleus Kernel onto the AT91RM9200 Target (on Cogent CSB337) using Nucleus EDGE IDE. I am facing some problem with the...

Hi, I am trying to port Nucleus Kernel onto the AT91RM9200 Target (on Cogent CSB337) using Nucleus EDGE IDE. I am facing some problem with the Stack handling especially while servicing the interrupts. Has anyone been able to successfully prot Nucleus RTOS onto AT91RM9200? Please let me know. Thanks and Regards, Prashanth


Anyone have schematics of Agenda VR3 ?

Started by Sun Ge in comp.arch.embedded12 years ago

hi, I bought a linux PDA - Agenda VR3, it's based on VR4181 CPU and a custom Linux kernel. In order to know more about hardware...

hi, I bought a linux PDA - Agenda VR3, it's based on VR4181 CPU and a custom Linux kernel. In order to know more about hardware details, Could anyone offer me a copy of its schematics? The schematics maybe available on the Internet, but I cannot find it with google. Thank you very much. Best Regards, Sun Ge


USB & Windows

Started by -Giacomo- in comp.arch.embedded10 years ago 5 replies

Hello, we are using a home brewed USB kernel driver to communicate with our equipment. This system in working fine on Windows Vista32, but our...

Hello, we are using a home brewed USB kernel driver to communicate with our equipment. This system in working fine on Windows Vista32, but our customers are moving to Seven32. We build a few tens units per year and each unit has two different driver, so we are not so happy to pay 2*500$/years for certifications. Is it possible to install our custom drivers on the new OS freely? Thank...


what can i do with those gpio ?

Started by RusH in comp.arch.embedded15 years ago 9 replies

I'v got a mips SoC running Linux kernel, 16(maybe 32 if i sacrifice some memory) GPIO pins sitting bored (16 can initiate interrupt). There is...

I'v got a mips SoC running Linux kernel, 16(maybe 32 if i sacrifice some memory) GPIO pins sitting bored (16 can initiate interrupt). There is also UART port (22MHz clock = very fast, 40ns cycles). I'm evaluating my options about using them : -IDE/CF interface -SD/MMC interfase ? -Camera -LPT (printserver) -USB host controller ? -... ? I would love to see such a project with a sam...


Software UART driver

Started by Daniel Doron in comp.arch.embedded5 years ago 22 replies

Hi all, I have tried to look an answer for this on the web, but I mainly got "no can do" (timing issue). Kernel: 2.6.3x MCU: atmel at91...

Hi all, I have tried to look an answer for this on the web, but I mainly got "no can do" (timing issue). Kernel: 2.6.3x MCU: atmel at91 (9263) I wish to get/write a driver to bitbang a couple of gpios to emulate a uart. the communication is with a remote PIC (PIC12F683) to which I have already wrote the software and checked with linux terminal. the communication does not have to be fas...


help needed to boot from compact flash

Started by Everett X. Wang in comp.arch.embedded15 years ago 5 replies

Hi All, I have trying to move my linux from harddrive to a compact flash without much success for a week. Here is what I am trying to...

Hi All, I have trying to move my linux from harddrive to a compact flash without much success for a week. Here is what I am trying to do: I already have my own kernel and modules, tested successfully on my computer on hard drive. I followed the three article series from Bruce Perens here to make busybox and file system: part 1 for busybox http://www.linuxdevices.com/articles/AT614...


x on ml300?

Started by Jason Zheng in comp.arch.embedded15 years ago 5 replies

Hi, I'm trying to write a graphics demo program on an ML-300 board with embedded PowerPC CPU and 128MB of RAM, no graphics acceleration chip....

Hi, I'm trying to write a graphics demo program on an ML-300 board with embedded PowerPC CPU and 128MB of RAM, no graphics acceleration chip. I got the linux kernel running, and have been advised that regular X11 will not run because it takes too much memory and I need to run some other memory-extensive tasks on the background. Does anyone know of a good widget toolkit that can solve...


Question about inline asm for ARM

Started by Anonymous in comp.arch.embedded6 years ago 3 replies

Hi, I want to use ARM A8 performance counter. I find a post on line, but I do not understand its grammar. ARM inforcenter does not help much. I...

Hi, I want to use ARM A8 performance counter. I find a post on line, but I do not understand its grammar. ARM inforcenter does not help much. I especially do not understand the '::'. Could you explain it to me? Or point to some links for it. Thanks, ................. Accessing the performance counters isn't difficult, but you have to enable them from kernel-mode. By default the counter...


Hardware platform for embedded linux

Started by Anonymous in comp.arch.embedded14 years ago 6 replies

Hi I am looking to create a small linux based device with the following functionality: 1. Must run apache (or other PHP compatible)...

Hi I am looking to create a small linux based device with the following functionality: 1. Must run apache (or other PHP compatible) webserver 2. Must have ethernet connectivity 3. Must be fanless 4. Must be able to run off solid state disk (eg CF card) 5. Ideally should run 2.6 kernel 6. Should have a good BSP for development 7. Ideally should have its own enclosure 8. Ideall...


Interrupt latency

Started by Anonymous in comp.arch.embedded12 years ago 26 replies

Hi, I am writing my own real-time kernel for x86. Now I face something really strange (or may be rather it's not; it has been some time...

Hi, I am writing my own real-time kernel for x86. Now I face something really strange (or may be rather it's not; it has been some time since I was in the details of x86 microarchitecture). I measured CPU clocks elapsed between the first assembly instruction executed at interrupt's entry point in IDT and beginning of the C code of user-defined interrupt handler and the result was a big ...


how to upgrade from linux 2.4 to 2.6? and RamDisk

Started by mindovator in comp.arch.embedded14 years ago 3 replies

how to upgrade from linux kernel 2.4 to 2.6 on arm? and how to build RamDisk?

how to upgrade from linux kernel 2.4 to 2.6 on arm? and how to build RamDisk?


Porting (uITRON )TOPPERS/JSP on MCB2100

Started by jomcyp in comp.arch.embedded12 years ago 1 reply

Hi, I would like to port TOPPERS/JSP kernel in MCB2100 . I am going to use GNU ARM Cross compiler with keil IDE. If any one knows any other...

Hi, I would like to port TOPPERS/JSP kernel in MCB2100 . I am going to use GNU ARM Cross compiler with keil IDE. If any one knows any other port of the same in any ARM boards please send me the details


Avoiding priority inversion with software design

Started by ssubbarayan in comp.arch.embedded12 years ago 12 replies

Dear experts, I was going through the query regarding Design of UCOS-II kernel.Most of the repliers have specified that to avoid...

Dear experts, I was going through the query regarding Design of UCOS-II kernel.Most of the repliers have specified that to avoid priority inversion one must take care in design. 1)I am just curious to understand the specifics(How to stuff) of the design.Can some one throw some light on this or provide some links which shows how to design such an architecture?Mainly the server based ap...


Getting i2c touchscreen to work on TS4900

Started by Anonymous in comp.arch.embedded2 years ago

Hey everyone, I've been working on a project that's using a Technologic Systems TS4900 module as its core. For peripherals we've got two USB...

Hey everyone, I've been working on a project that's using a Technologic Systems TS4900 module as its core. For peripherals we've got two USB ports, ethernet, + sound and touchscreen. The board is running Debian jessie with The part I've been toiling away at is the touchscreen, which is a Newhaven NHD-7.0-800480EF-ASXV#-CTP. My first problem was finding a kernel driver and devi


Open Source EC++ Implementation?

Started by Himanshu Chauhan in comp.arch.embedded13 years ago 36 replies

Dear all, Is there any opensource EC++ implementation available? All I found was from IARs and others. I think Mac OS X uses EC++ for their...

Dear all, Is there any opensource EC++ implementation available? All I found was from IARs and others. I think Mac OS X uses EC++ for their kernel mode driver framework and they use GCC as their compiler. But I can't find any EC++ implementation (library). Neither does GCC support EC++. Any pointers for information? Also, I quick question for dear veterans. Given an option option of cho...


When is more than one PIT needed?

Started by Spoon in comp.arch.embedded13 years ago 3 replies

Hello, I need to be able to put a process to sleep for 100-1000 microseconds (until now, I've been using a generic Linux kernel on a...

Hello, I need to be able to put a process to sleep for 100-1000 microseconds (until now, I've been using a generic Linux kernel on a low-voltage x86 CPU). AFAIU, the x86 platform comes with several timers[*] and I had hoped one of them would prove useful in my situation. [*] I tried to list all the timers in: http://groups.google.com/group/comp.arch/msg/6be4741f4f92be6 (I found PIT, ...


problem with using Signal with Xilinx

Started by Greg in comp.arch.embedded12 years ago 2 replies

I am using the Xilinx Kernel for the Xilinx FPGA core. I am attempting to use the Signal catch to send a packet out once every second on a...

I am using the Xilinx Kernel for the Xilinx FPGA core. I am attempting to use the Signal catch to send a packet out once every second on a ping. I included the signal.h and unistd.h files but when I call alarm to try and trigger a signal each second the compiler complains. The errors are as follows. /cygdrive/c/DOCUME~1/s262256/LOCALS~1/Temp/ccikIBdx.o: In function `sig_alrm': /cygdriv...


Looking for tool chain for ARM9 with nand flash devices

Started by GS in comp.arch.embedded13 years ago 1 reply

Is there any tools chain available to compile Linux kernel and some application code for ARM9 board with nand flash devices. Thanks. GS.

Is there any tools chain available to compile Linux kernel and some application code for ARM9 board with nand flash devices. Thanks. GS.