LPC Link2 Usb driver

[jeanvaljean]

Gentlemen,

my system is Windows7, LPCXpresso 8.1.4, fresh installed. I also bought a brand new OM13058 LPC11U68 Xpresso v2 board, rev.C

The board comes with a built-in example, the blinky. It works properly.

I tried to modify the source of this blinky project. It compiles without error.

When I try to download it, LPCXpresso cannot connect to the debugger.

JP3: Link DFU is removed, I also tried it connected, same result.

JP1: removed.

JP2: 1-2 is connected.

On the Start -> Devices and Printers, nothing appears.

I installed LPCXpresso with all the defaults, just clicking "next, next".

My computer is rebooted after the installation.

I do not find information about manually installing the necessary USB driver. Is it possible?

What else may I try to have this board work?

[lpcxpresso_supp · Accepted solution]

So - as recommended in the Troubleshooting section of the "Booting LPC-Link2" FAQ previously referenced - does removing all other non-essential USB devices, such as your USB-serial device make any difference?

Also, try connecting via a power USB hub (or directly to your PC if already using a hub).

And just to confirm - which USB socket on your board are you plugging your USB cable into? It should be the lower one as shown at LPCXpresso Board for LPC11U68|NXP  (and  typically labelled LINK on the board itself).

Note - When you connect this to your PC, you would also expect to see at least one, non-blinking, LED come on (typically labelled PWR).

Regards,

LPCXpresso Support

[jeanvaljean]

Ohhh, my God ...

It was the other USB connector what I tried.

I also tried this lower one before, but now, it required roughly 2-3 minutes for all the necessary driver installation. It was 5-6 different one ...

This 2-3 minutes solved the problem, this time is, what I didn't wait before.

All this stupid failure could be due to the earlier experience with LPCXpresso 1769 board, it has only one USB connector, at the middle of the board edge :-) and it immediately worked when the first time connected.

Thank you for the help, and I'm sorry to waste your time.

[jeanvaljean]

Just a few more info: I tried both USB connectors on LPC board, also, more USB cables and connectors on my computer.

Windows doesn't seem to recognize if LPC board is plugged in to USB.

I've been a local administrator during LPCXpresso installation.

[lpcxpresso_supp]

Go through this FAQ and report what you see:

Booting LPC-Link2

And also double check this :

LPC-Link2 fails to enumerate with CMSIS-DAP firmware

Regards,

LPCXpresso Support

[jeanvaljean]

For the FAQ Booting LPC-Link2: This board is brand new, it has never worked before.

In the Windows devices and printers section, I do not see any LPC devices.

Your second option (... fails to enumerate...):

Microsoft Windows [Version 6.1.7601]

Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\istvanfi_b>cd c:\

c:\>cd nxp

c:\nxp>dir

Volume in drive C is System

Volume Serial Number is 2080-52B1

Directory of c:\nxp

11.07.2016  09:08    <DIR>          .

11.07.2016  09:08    <DIR>          ..

11.07.2016  09:09    <DIR>          LPCXpresso_8.1.4_606

               0 File(s)              0 bytes

               3 Dir(s)  127,840,866,304 bytes free

c:\nxp>cd LPCXpresso_8.1.4_606\lpcxpresso\bin

c:\nxp\LPCXpresso_8.1.4_606\lpcxpresso\bin>boot_link2

Nothing to boot

c:\nxp\LPCXpresso_8.1.4_606\lpcxpresso\bin>boot_link2

Nothing to boot

c:\nxp\LPCXpresso_8.1.4_606\lpcxpresso\bin

I tried it with LPCboard disconnected, and also, connected. Same result.

In windows device manager, I do not see any LPC or nxp USB devices. All are from Intel, Microsoft, one is from FTDI, it's a USB-Serial converter.

[avt]

so your PC does not see link2 on USB. Try a different USB port and different USB cable.

[jeanvaljean]

Thanks, I did it at the very beginning.

I even tried on another computer, with the same results.

I also tried to add the driver manually, but it failed.