LPC Microcontrollers中的主题 Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:53 GMT

Content originally posted in LPCWare by OllieK on Fri Jan 17 20:28:42 MST 2014
Today, I was a beginner in LPC4370 programming using
- LPCXpresso IDE
- Two LPC-Link2 boards (OM13054)

I had difficulties to find the simplified instructions and hope that the following will be useful for other newbies.

1. Download LPCXpresso (www.lpcware.com/lpcxpresso/download)
2. Create a user account (www.lpcware.com)
3. Register LPCXpressor
4. Download LPC-Link 2 Configuration tool (www.lpcware.com/content/project/dfu-download-programming-utility-and-security-lpcdfusec-tool)
5. Both LPC-Link2 boards have one jumper connector. Use one jumper on first board in JP2 (or connect USB power on second board).
6. Start the configuration tool (DFUSec.exe)
7. Select CMSIS-DAP LPC-Link 2 image
8. Enable Auto-Program (there is no program button in the board)
9. Connect USB cable to the first board
10. Wait that the red text in "Start Program" and "Verify Program" turns green in few seconds
11. Disconnect USB cable
12. Add the second jumper on first board in JP1
13. Use one of the small flat cables to connect J7 on first board (debugger) to J2 on the second board (target)
14. Connect USB cable again
15. In LPCXpresso, use the Debug Configurations option (down arrow from the green bug), select the Debugger tab
16. In Debugger Options under Target configuration, select Debug Protocol and cange it to SWD
17. Build your project and start debugger

Good luck with your new high performance board. 8-)

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:54 GMT

Content originally posted in LPCWare by lpcxpresso-support on Sat Jan 18 04:19:36 MST 2014
Thank you for contributing your experiences of using LPC-Link2 as a probe and an eval board.

You should note though that there is no need to program an LPC-Link2 up with CMSIS-DAP firmware in order to use it with LPCXpresso IDE. The recommended way to use an LPC-Link2 is with the "redlink" firmware that LPCXpresso will automatically download into the probe (if you connect the probe without JP1 connected).

For more details, please see:
[list]
[*]http://www.lpcware.com/content/faq/lpcxpresso/lpc-link2-support
[*]http://www.lpcware.com/lpclink2
[/list]

You can also find additional information on using LPC-Link2 as an eval board at:

[list]
[*]http://www.lpcware.com/content/faq/lpcxpresso/using-lpclink2-as-lpc4370-eval
[/list]
And more general information on using LPCXpresso for LPC43 development at:

[list]
[*]http://www.lpcware.com/content/faq/lpcxpresso/lpc18-lpc43-support
[/list]

Regards,
LPCXpresso Support

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:54 GMT

Content originally posted in LPCWare by OllieK on Sat Jan 18 12:07:07 MST 2014
Thanks for all relevant links. I had seen some of them, but not all.

When I am trying to connect to an LPC-Link2 from LPCXpresso using "Redlink" (by removing the jumper from JP1), I am getting an error message that the Redlink Server initilization failed. After that I am getting a selection list, but there are no options.

In the Debugger Confugurations the selected Protocol is JTAG and Emulator is Redlink Server. [u]What should I do to get debugger access to both processors (M0 and M4)?[/u]

Another question is related to my plans to use the LPC-Link2 as a controller in my robotics projects. [u]What kind of cabling is available to connect the 1.27 mm pitch connectors to my own component board that uses the 2.54 mm pitch holes?[/u] None of the standard flat cable connectors and accessories are not able to do that.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:55 GMT

Content originally posted in LPCWare by JohnR on Sun Jan 19 13:14:44 MST 2014
The connectors are made by Samtec (www.Samtec.com)

They can make up cable assemblies eg, http://www.samtec.com/technical-specifications/default.aspx?SeriesMaster=SFSD. The circuit diagram published by EA for the LPC_Link2 card shows the connector part numbers.

I ordered a couple of sets of matching connectors for the sockets on the LPC_Link2 card, which were delivered very promptly and reasonably priced.

JohnR

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:56 GMT

Content originally posted in LPCWare by OllieK on Sun Jan 19 19:43:29 MST 2014
JohnR,

That is a good hint. I would like to learn more from you about your experience in LPC-Link2 usage in applications.

How you connected J3 (FTSH-107-01-L-DV) into your application board? Perhaps this is not a relevant question in case your board has 0.05 (1.27 mm) pitch available and the connection was without a flat cable.

In J9 (FTSH-112-01-L-DV) all odd pins are grounded. Could you leave them out an use one of the 0.1 pitch ground pins (next to 3V3, J1-p7, J6-p8)?

In J4 (FTSH-110-01-L-DV), is there a mistake in EA documentation for J4-p4 and J4-p10? Now the signal names are:
   p4: EXP_ADC0_DAC
   p10: EXP_ADC3

I was expecting the names to be
   p4: EXP_ADC0
   p10: EXP_ADC3_DAC

How you are doing the debugging of your LPC-Link2 application? Which I/O pins in LPC-Link2 you have allocated for M4, M0 coprocessor, and M0 subsystem?

I have still problems in getting my LPCXpresso debugger running with LPC-Link2. Do you have any advice what I could try?

Best regards.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:56 GMT

Content originally posted in LPCWare by lpcxpresso-support on Mon Jan 20 05:50:34 MST 2014

Quote: OllieK

I have still problems in getting my LPCXpresso debugger running with LPC-Link2. Do you have any advice what I could try?

If you want assistance here, then please post some details of what problems you are actually having. Seeing the text from debug log would be helpful, and please also confirm the version of LPCXpresso that you are using and on what host operating system:

http://www.lpcware.com/content/faq/lpcxpresso/debug-log

The typical problem with LPC43xx multi core parts is choosing the wrong cpu on the JTAG scan chain for your connection. Make sure you study…

http://www.lpcware.com/content/faq/lpcxpresso/lpc43xx-multicore-apps

As a slight aside, when we did a demonstration of using LPCXpresso/LPC-Link2 to debug an LPC4370 on a Link2 a while ago, using some GPIOs coming out on the 24way J9 connector, we obtained some Samtec FFSD-12-D-03.00-01-N-R cables, cut them in two, then soldered some pins onto the appropriate wires of the Samtec cable and plugged the pins onto a breadboard.

Regards,
LPCXpresso Support.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:57 GMT

Content originally posted in LPCWare by JohnR on Mon Jan 20 07:03:57 MST 2014
Hi Ollie,

J3: is connected to a matching connector on my custom-designed PCB, for which I designed a set of footprints to match.

J9: I guess that would be OK.

J4: I think the LPC_Link manual is wrong. Pin 4 is ADCHS_0 (chip pin A2) only. Pin 10 EXP_ADC3 is actually ADCHS_NEG (chip pin A3), which is the common return pin. See page 1313 of the manual - "12-bit high-speed ADC reference voltage output or negative
differential input."

For debugging I use a RedProbe+ with the adapter board and cable connected to J2 LPC_Link. Initially I used a simple project from NXP (ledblinky4370 ?) to test the new card. I also purchased a NXP LabTool card mainly to see how the analog circuitry was interfaced.

As to M4 and M0 development, NXP have published documentation and examples which are a good starting point.

Hope this helps,

JohnR.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:58 GMT

Content originally posted in LPCWare by OllieK on Mon Jan 20 13:37:20 MST 2014
Thanks John :)

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:42:59 GMT

Content originally posted in LPCWare by OllieK on Mon Jan 20 14:37:02 MST 2014
Thanks for your hand holding. Both LCP4370 and LPCXpressor are new to me and I am doing the typical newbie mistakes. The main problem is that I am keepin hitting my head on the wall because, I have had difficulties to find the answers in internet.

My main problem is that I am not able even to start JTAG based debugging on my Windows 8.0 using USB2 port connected to LPC-Link2. On that board I have the JP1 removed and after starting LPCXpresso (v6.1.2 [Build 177] [2013-11-28]) with LedBlinky4370, I am disconnecying/reconecting the USB cable. To get back to initial stage, I do delete the LPC4370_LEDblinky Debug setting and create a new one without changing anything. After building all, I do start the debugger, and get the dialog box with the text "Unable to Initialize Redlink Server (found 2). Connect one Redlink Server at time."

When I am opening the Display Selected Consoles, I don't see the Blinky Debug Messages. and both gdb windows are closed as shown in the attached screenshot.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:00 GMT

Content originally posted in LPCWare by JohnR on Mon Jan 20 16:46:39 MST 2014
Hi,
I am not sure I can help with your current problems. Partly it may be a Windows8 related problem with your USB connections - I run Win7 and am dreading the time that I have to change to Win8.

I assume that you have read:
http://www.lpcware.com/content/faq/lpcxpresso/using-lpclink2-as-lpc4370-eval

It might be worth getting one of the inexpensive LPCXpresso cards, eg the LPC1343, LPC1769 and following some of the code examples to get familiar with the environment. These cards come with the LPC_Link already attached which makes life easier.

I am sorry I can't help more - I went through the same hoops when I started with the LPC4370 and it's not fun.

CodeRed and NXP are most helpful - so it might be worth starting a new thread based on possible USB problems with Win8.

JohnR.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:00 GMT

Content originally posted in LPCWare by nmz787 on Mon Jan 20 23:42:15 MST 2014
Ollie,
based on your image, you need to go into the "Debug" mode/view of LPCXpresso, for me it's in the top-right corner of the IDE. From there you should be able to right-click on any entries in the debug list and terminate and remove them. These dead/zombie sessions seemed to give me troubles starting a new debug session.

Also, if it's telling you "found 2" maybe you have 2 LPC Link2 boards plugged into your computer at once? If so, try using the debugger with no jumper on JP1, but on the target you wish to program add JP1. You could also just disconnect the target from the computer, and power it from a 5V USB-type power source (i.e. cell phone charger, unconnected but powered USB hub).

Here are some links that might prove useful... I'm just starting to work through these myself:
http://www.lpcware.com/content/faq/lpcxpresso/lpc43xx-multicore-apps
http://www.lpcware.com/content/project/lpc43xx-dual-core-examples
http://support.code-red-tech.com/CodeRedWiki/LPC43DualCoreProjects
http://www.freertos.org/FreeRTOS_Support_Forum_Archive/April_2013/freertos_LPC43xx_Dual_Core_Application_7273923.html
https://github.com/micromint

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:01 GMT

Content originally posted in LPCWare by lpcxpresso-support on Tue Jan 21 09:00:57 MST 2014
@OllieK.

It sounds like you have both LPC-Link2's connected over USB to your PC, and both configured to be DFU-bootable (and hence LPCXpresso IDE is trying to use both of them as debug probes - causing the issues you are having).

Please make sure you go and read the FAQ at:
http://www.lpcware.com/content/faq/lpcxpresso/using-lpclink2-as-lpc4370-eval

in particular the points about power and jumpers. For getting started, it is probably easiest to have the target Link2 powered from the debug probe Link2. Thus:

Target Link2 - connect JP1 only
Debug probe Link2 - connect JP2 only

If you are still having problems, please provide exact details of how you are powering both board, which is connected to your PC, and what jumpers you have configured.

Regards,
LPCXpresso Support

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:01 GMT

Content originally posted in LPCWare by OllieK on Tue Jan 21 18:31:06 MST 2014
@nmz787 & @lpcXpresso-support,

Thank you for your quick and helpful replies.

My first LPC Link2 board (debugger) has the following:
- no JP1 jumper
- connected to USB2 in my Win 8.0 PC
- J7 flat cable connected to the target board

My second LPC Link2 board (target) has the following
- JP1 jumper
- connected to USB charger (not to PC)
- J2 flat cable connected from the debugger board

When I do start LCPXpresso, I can see the red squares (Terminate/Disconnect All). When I open the debug perspective the list Debug List is empty.
See the attached screenshot.

When I do start the debugger with the green bug button, I am getting the error message claiming that 2 Redlink servers were found. The debug list shows only one.
See the attached screenshot.

When I do start the debugger with the green triangle (Run debug command), there is no error message and one line is shown in debug list. The problem is that no real debug session is starting.
See the attached screenshot.

At this stage, I am willing to do almost anything to get this issue resolved. Instead of a large number of "generic" information in different places, I would like to repeat a series of steps in a vanilla system for JTAG based debugging.

I have not seen that type of list of required microsteps. Is it possible that somebody could provide that?

Instead I have seen some discussion threads, where people seem to have issues with the LCPXpresso debugger.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:02 GMT

Content originally posted in LPCWare by lpcxpresso-support on Wed Jan 22 02:57:00 MST 2014
Before we go any further, please make sure that you have you read the LPCXpresso Getting Started Guide, supplied in the product install directory, as well as in the LPCXpresso built in help. One of the things this explains is the recommended way of starting a debug session - which is to use the Debug entry in the Quickstart Panel (bottom left of the LPCXpresso window). I am concerned that you are getting yourself into a mess by trying to configure things manually yourself.

Anyway, the error message you are seeing - "Unable to initialize Redlink Server (found 2). Connect one Redlink Server at a time." suggests that you have two LPC-Link2 boards connected to your PC (or at least two boards that are DFU bootable). Check what your PC thinks is connected - for example on my Windows 7 install, if I go to:

Control Panel\Hardware and Sound\Devices and Printers

and I connect two LPC-Link2 boards (with JP1 open), then I will see two "LPC" entries displayed.

Anyway here are a series of steps that I suggest you follow:

[list]
[*]Disconnect all probes / boards from your PC

[*]Ensure that you are using LPCXpresso IDE with a new, empty workspace. The simplest way to do this is if you already have LPCXpresso IDE running is to select

[list]
[*]File -> Switch Workspace -> Other…
[/list]

and enter the name of a directory that you know does not exist (e.g. C:\testwkspace)

[*]Download LPC4370_LPCLink2_LEDblinky.zip from http://www.lpcware.com/content/faq/lpcxpresso/using-lpclink2-as-lpc4370-eval and use Quickstart Panel -> Import option to import the project into your workspace. As per the FAQ, you will also need to import CMSIS_LPC43xx_DriverLib project from the LPCXpresso Examples directory.

[*]Use Quickstart Panel -> Build option to build the LPC4370_LPCLink2_LEDblinky project.

[*]Now take one of your LPC-Link2 boards, and connect a jumper across JP2. Leave JP1 open. Plug a 10-pin debug cable into J7. This LPC-Link2 will be used as your debug probe.

[*]Now take the other LPC-Link2 board - which will be used as the target board. Leave JP2 open and connect a jumper across JP1. Now plug the 10-pin debug cable from the probe into J2 on the target board.

[*]Now connect a USB cable from your PC to the LPC-Link2 that is being used as a debug probe. Do NOT connect the USB connector on the LPC-Link2 target board to anything.

[*]Now start a debug session for LPC4370_LPCLink2_LEDblinky using the Quickstart -> Debug option. The Redlink firmware should be downloaded to the LPC-Link2 debug probe.

[*] You will need to select this LPC-Link2 as the probe to be used for this project (as detailed in the LPCXpresso User Guide) and then also select the appropriate CPU within the LPC4370 to debug. You want the Cortex-M4, which is the one with TAP Id = 0x4ba00477. For more information on this

[list]
[*]http://www.lpcware.com/content/faq/lpcxpresso/lpc43xx-multicore-apps
[/list]

[*]Hopefully you should now be connected and able to debug/run your code.
[/list]

Note that for ongoing development work, I would suggest that you use LPCOpen rather than the CMSIS_LPC43xx_DriverLib code base. To obtain this, visit:

http://www.lpcware.com/content/nxpfile/lpcopen-software-development-platform-lpc43xx-packages

Regards,
LPCXpresso Support

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:03 GMT

Content originally posted in LPCWare by OllieK on Wed Jan 22 12:34:29 MST 2014
@lpcXpresso-support,

Thank you for your patience. My impression is that the core problem is in the error message "Unable to initialize Redlink Server (found 2). Connect one Redlink Server at a time." I did check it multiple times that there are no other debuggers connected to my PC. At any point of time there has been only one LPC Link2 connected to my PC.

I did repeat your instructions 3 times with 3 new workspaces. The results were the same in every case. On first time, I had a significant delay because I was not able to read that "from the LPCXpresso Examples directory" was a short hand for "from the LPCXpresso Examples\NXP\LPC4000\LPC43xx\LPC43xx_DriverLib directory".

After starting the debugger, I am still getting the original error message as shown in the atached screen shot. There is only one LCP device at the time when the error message is shown. This can be seen in the second screen shot. That LCP device is created at the time I am connecting the LPC Link2 board to USB port.

After exiting and restarting LCPXpresso, I am still seeing the phantom debugging session going on as shown in the third screen shot.

A potential explanation for these symptoms could be in the other development tools I have installed in my PC. None of these tools were running at the time I was using LCPXpresso. These tools are:

[list]
[*]EmBlocks
[*]IAR Embedded Workbench
[*]J-Flash
[*]J-Link
[*]Keil uVision5
[*]STM32 ST-LINK Utility
[*]emIDE
[/list]

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:03 GMT

Content originally posted in LPCWare by nmz787 on Wed Jan 22 13:34:48 MST 2014
Ollie, have you tried clicking the two red colored buttons that are next to each other, just left of the middle of the toolbar? One icon looks like a chain-link, and the other a boot. Try clicking the boot "Boot Redlink Server".

I'd also look in "Device Manager" to determine what the computer sees connected. You should be able to right-click on "Computer" or "My Computer" then click "Properties" and on the window that opens, click "Device Manager".

On another note, from your first post where you outlined all the steps to get up and running, it seemed like you got things to work. Did it work, then stopped working? Have you tried using the LPC Link 2 Config-Tool again lately, does it work?

You could also try this, in the "Project Explorer" panel, right-click on the project you've just built, then hover over "Debug As", then from the sub-menu click "Debug Configurations". The configuration you want to be running should be under the "C/C++ (NXP Semiconductors) MCU Application" sub-list. If you don't have a config with "NXP Semiconductors", then click "C/C++ (NXP Semiconductors) MCU Application" then click the "New launch configuration" button (white piece of paper with + sign icon). In the window that opens click the "Debugger" tab, make sure the "Emulator selection" is set to "Redlink Server". You can click "Edit JTAG Configuration" and it should attempt to communicate with the connected LPC Link2.

See attached pics.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:04 GMT

Content originally posted in LPCWare by OllieK on Wed Jan 22 14:21:23 MST 2014
nmz787,

Thanks again for your help. I have been using the "red boot" to clean up some error messages I have seen (unexpectedly) when using the SWD debugger. Please see the attached screen shot to confirm that the Devices and Printers window shows the same information as Device Manager related to the connected LCP devices.

I have been able to do debugging with my LCP Link2 application board, but only with SWD protocol. Today, I did repeat similar tests with multi-core blinky_m4. Using all the default settings in a clean project (JTAG), I am getting the same error message. See the attached screen shot.

The only change I am doing is, change the protocol from JTAG to SWD and insert the JP1 and reboot the debugger device. After that everything works as shown in the attached screen shot,

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:04 GMT

Content originally posted in LPCWare by lpcxpresso-support on Wed Jan 22 14:37:43 MST 2014
Please open a command window in the lpcxpresso\bin directory and the enter

dfu-util -l

And post the output.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:05 GMT

Content originally posted in LPCWare by OllieK on Wed Jan 22 16:06:27 MST 2014
The output is

E:\nxp\LPCXpresso_6.1.2_177\lpcxpresso\bin>dfu-util -l
dfu-util 0.7

Copyright 2005-2008 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2012 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to dfu-util@lists.gnumonks.org


E:\nxp\LPCXpresso_6.1.2_177\lpcxpresso\bin>

Please find the enclosed screen shot of the command window.

Re: Beginners hints for LPC-Link2 as an LPC4370 evaluation board

lpcware — Wed, 15 Jun 2016 18:43:06 GMT

Content originally posted in LPCWare by nmz787 on Wed Jan 22 18:24:34 MST 2014
Ollie, is that with an LPC link2 connected (which doesn't have JP1 connected)?