JTAG GDB Server on Linux 2.6.36 and later doesn't work

Started by George in AT91SAM ARM11 years ago

I am having a very strange issue with JTAG debugging and my embedded linux build. Up to and including Linux 2.5.35.9, I have been able to start...

I am having a very strange issue with JTAG debugging and my embedded linux build. Up to and including Linux 2.5.35.9, I have been able to start the JLink JTAG debugger and kernel debug using remote GDB while linux was running. Withe 2.6.36 and later, I can no longer debug. The gdb server can break and read jtag data during boot, up to point where udev runs and I get the console prompt. After th...


SAM7S jtag tool update

Started by kjell_eirik in AT91SAM ARM16 years ago 11 replies

Hi ! My web-page with jtag tools for SAM7S is upgraded. It contains a flash programmer, a gdb server and directions for making a cheap USB...

Hi ! My web-page with jtag tools for SAM7S is upgraded. It contains a flash programmer, a gdb server and directions for making a cheap USB jtag adapter. Check http://kjell.e.andersen.googlepages.com/ -kjell eirik


Sam9260 JTAG / FT2232 based debugger

Started by in AT91SAM ARM15 years ago 7 replies

Hi guys, I've build my own SAM9260 board and now trying to get the hardware working. My problem at the moment is the JTAG interface. The...

Hi guys, I've build my own SAM9260 board and now trying to get the hardware working. My problem at the moment is the JTAG interface. The PEEDI from Ronetix show me a BYPASS error, but ignores it and so it is possibe to access the registers and configure the 9260 via JTAG. My FT2232 based debugger with OpenOCD fails due to a JTAG error. I think this is because of the BYPASS error. ...


Connecting AT91SAM7S-EK by JTAG interface

Started by drag...@gmail.com in AT91SAM ARM12 years ago 8 replies

Hello friends, i recently get my AT91SAM7S-EK; for JTAG connection i got an ARM wiggler that goes from JTAG port to DB25. Since my lap has no DB25...

Hello friends, i recently get my AT91SAM7S-EK; for JTAG connection i got an ARM wiggler that goes from JTAG port to DB25. Since my lap has no DB25 port i have to connect the wiggler to a DB25 - DB9 - USB cable. (which means that i have a device that converts a DB25 to DB9 and that DB9 output is then connected to a DB9-to-USB cable) Now, i'm working with openOCD but i don't exactly now what i ha...


Xilinx JTAG Schematic

Started by Mark Higgins in AT91SAM ARM16 years ago 3 replies

I'm a complete noob to the ARM controllers. I picked up an AT91ARM7S 256 and I'm making up a prototype board of my own. I'd like to make up a...

I'm a complete noob to the ARM controllers. I picked up an AT91ARM7S 256 and I'm making up a prototype board of my own. I'd like to make up a DIY JTAG as well. Will this Xilinx schematic work with WinARM or GNUARM? I've seen other schematics that are based on the 74HC244, like the one in the files section of the Yahoo group, but I've already thrown this into Eagle, and I already have ...


JTAG wiggler

Started by Aravind in AT91SAM ARM15 years ago 2 replies

Hi i recently bought an ARM7 kit from olimex SAM7EX256.i plan to put together my own jtag wiggler. but there seem to be so many schematics on...

Hi i recently bought an ARM7 kit from olimex SAM7EX256.i plan to put together my own jtag wiggler. but there seem to be so many schematics on the net. Does anyone have the schematic of the wiggler which is known to work with the olimex board or any olimex board with SAM7?


JTAG suggestions

Started by Ryan in AT91SAM ARM15 years ago 1 reply

I am following the tutorial by James Lynch entitled "Using Open Source Tools for AT91SAM7S Cross Development" to get development up and running...

I am following the tutorial by James Lynch entitled "Using Open Source Tools for AT91SAM7S Cross Development" to get development up and running on my ATSAM7S-EK development board. His tutorial guides you through set up for windows based development although my previous experience has been in Linux. The tutorial makes several suggestions as far as JTAG goes and I am not sure which way to go....


Is it possible to fully debug a program without JTAG interface?

Started by Ali Beirami in AT91SAM ARM13 years ago 2 replies

Hi Fellas, I am working on a project and no JTAG debugger is available for me. The current approach I'm using is simply printing variables to...

Hi Fellas, I am working on a project and no JTAG debugger is available for me. The current approach I'm using is simply printing variables to DBGU port and frustrating trial/error process. There are three wires connecting to my device now ( beside supply voltage) that are capable of data transfer : DBGU (Currently Debugging), USB (ISP and Data) and Ethernet (Data) interfaces which are all fu...


Parallel Port JTAG wiggler

Started by vishnu_tadepalli in AT91SAM ARM14 years ago 3 replies

Hai All, Iam having a parallel port JTAG wiggler from olimex.I want to use it to debug linux kernel,drivers etc. I have some questions...

Hai All, Iam having a parallel port JTAG wiggler from olimex.I want to use it to debug linux kernel,drivers etc. I have some questions which I want to have clarity: 1)what kind of parallel port cable is neccesary to use the wiggler? 2)Are there any extra connections neccesary? 3)One of the documents available on the net specifies that there needs to be a short between pins 8 and 15 on t...


Getting error: "Could not find supported CPU core on JTAG chain"

Started by trwinok in AT91SAM ARM14 years ago 4 replies

Hello Group I'm using IAR embedded workbench and SAM-ICE with the AT91SAM7L-STK and I keep getting the error "Could not find supported CPU...

Hello Group I'm using IAR embedded workbench and SAM-ICE with the AT91SAM7L-STK and I keep getting the error "Could not find supported CPU core on JTAG chain" when I try to download and debug. jlink.exe shows the same thing. Does the SAM-ICE not support the new AT91SAM7L128??? Thanks! trwinok ------------------------------------


new bee for at91sam

Started by manhar_varu in AT91SAM ARM14 years ago 3 replies

hi, please let me know that for programming this cheap, i need only jtag ? can we program the this chip directly via parallel port? if yes...

hi, please let me know that for programming this cheap, i need only jtag ? can we program the this chip directly via parallel port? if yes then please send me software links.... can you please help me? because i dont have any flash programmer .... Thanks manhar. ------------------------------------


SOS

Started by byt_pejman in AT91SAM ARM15 years ago 3 replies

dear all I want to know how can i fast flash program my at91sam7 mcu? there is a simple way by using ULINK, J-Link or JTAG-ICE But they are...

dear all I want to know how can i fast flash program my at91sam7 mcu? there is a simple way by using ULINK, J-Link or JTAG-ICE But they are very expensive. I mean that i need to have simple and cheap programmer. please offer me a hardware or pin configuration.


Problem with at91sam7x256 crystal

Started by MichaƂ in AT91SAM ARM14 years ago

Hello, I having trouble with programming my custom made board based on AT91SAM7X256. I am using CrossWorks for flashing through usbscarab2...

Hello, I having trouble with programming my custom made board based on AT91SAM7X256. I am using CrossWorks for flashing through usbscarab2 JTAG. When I connect to my target everything seems to be ok, but if I try to do anything with it (e.g. Erase all) I get message saying ?Cannot stop target?. After discovering that problem I started checking my hardware and there are a few st


Newbie

Started by neer...@ptgrey.com in AT91SAM ARM12 years ago 1 reply

Hi I am new in the world of ARM, I have been researching the web to find a proper start up tutorial on ARM. For example if I have an ARM...

Hi I am new in the world of ARM, I have been researching the web to find a proper start up tutorial on ARM. For example if I have an ARM board how do I create the startup code and set up the environment to compile C code to a format that I can download via JTAG to the processor. Thanks. Any help would be greatly appreciated. ------------------------------------


AT91SAM7S64 GCC samples

Started by Anonymous in AT91SAM ARM17 years ago 3 replies

Hi all, I'm working on setting up a development environment using Kdevelop and FreeRTOS for the SAM7S64. It's taken a bit of work...

Hi all, I'm working on setting up a development environment using Kdevelop and FreeRTOS for the SAM7S64. It's taken a bit of work because the FreeRTOS port and demo app weren't finished and all of the ISRs had to be rewritten, among other things. I've also got it working (to some extent at least) with a remote J-Link JTAG pod. For troubleshoot


I need jtag programmer schematic

Started by omid hamidi in AT91SAM ARM15 years ago 1 reply

Hi I need help me for start programmer at91sam7x256 please let me know how to program...

Hi I need help me for start programmer at91sam7x256 please let me know how to program at91sam7x256 ____________________________________________________________________________________ 8:00? 8:25? 8:40? Find a flick in no time with the Yahoo! Search movie showtime shortcut. http://tools.search.yahoo.com/shortcuts/#news


Embedded Linux on AT91SAM, which config do you use?

Started by Andre Gompel in AT91SAM ARM15 years ago 2 replies

Gentlemen: if you are using embedded Linux, with an AT91SAM7x, then could you share your experience: * Which Linux * Which Tools...

Gentlemen: if you are using embedded Linux, with an AT91SAM7x, then could you share your experience: * Which Linux * Which Tools (Compiler, JTAG interface, debugger...) * Which AT91SAM7S and which config (external DRAM? etc...) * What is the good, the bad etc... Thank you. a.g Andre Gompel a...@yahoo.com _______________________________________________________________...


AT91SAM7S256-Program pitfalls

Started by anil kumar in AT91SAM ARM11 years ago 1 reply

hi everyone. this is anil, currently persuing M-Tech(Embedded systems). I would like to take part in this group. currently i'm working as an...

hi everyone. this is anil, currently persuing M-Tech(Embedded systems). I would like to take part in this group. currently i'm working as an intern in Thotaka Technologies pvt ltd. presently i'm doing a project, based on AT91SAM7S256 controller. Recently i tried to program on at91sam7s256 using H-JTAG with parallel port. At first the target was detected.But when i tried to program it...


DEBUG UART

Started by majun in AT91SAM ARM17 years ago 3 replies

I am new user of AT91SAM7S64, can I use the DEBUG UART to DEBUG programn like JTAG or only use it to download programn to flash through...

I am new user of AT91SAM7S64, can I use the DEBUG UART to DEBUG programn like JTAG or only use it to download programn to flash through SAM-BA?


yagarto for AT91SAM9261

Started by sjmanion in AT91SAM ARM14 years ago 3 replies

I'm having some trouble programming the AT91SAM9261, and I'm hoping someone out there can point me in the right direction. I'm using the...

I'm having some trouble programming the AT91SAM9261, and I'm hoping someone out there can point me in the right direction. I'm using the latest yagarto tool chain to program the AT91SAM9261. I'm connecting to the chip using the Atmel SAM-ICE JTAG via USB. I have tried to follow the sometimes conflicting setup info in the documents "Using Open Source Tools for AT91SAM7S Cross Development ...