Hello,

Can you tell me what BSP you are using, is it Logic's BSP? What are you using for a debug bootstring?

Thanks,

Yes, I use Logic's BSP.

exec rtc:rtc_a404_int:dbg_enet:91C111:dbg_enet_base:0x70000000:dbg_enet_irq:0x00000016:share_eth:1

The serial that dies is not the on that I use to boot or debug.

Rm

What bootstring are you using in the scenario where serial doesn't work?

load bin /cf/NK.BIN;exec rtc:rtc_a404_int

Can you verify that you have added the following to your Windows CE image?

Core OS > Services > Serial Port Support

Third Pary > Device Drivers > Serial > lpd_lh7a40x_uart_a40x_50_x_x_x

Also what COM port are you trying to use? They are mapped out on the LH7A40x as below in the Windows CE Driver:

A40x com port mappings:
COM2 - UART1/UARTC
COM3 - UART2/UARTA - debug serial port
COM4 - UART 3/UARTB



Thanks,

Yes. The drivers are installed.

The port with problem is COM4.

Hello,

If you're using the Zoom SDK you'll need to remember that the only UART that is tied to an external peripheral is COM3 - UART2/UARTA - debug serial port. For the others you'll need to hook up the UART to a serial port over the expansion headers on the Zoom SDK Application Board.

Thanks,

I have a custom board, where I use the 3 internal serial ports and another external uart with 4 extra serial ports.

I've been using 5 ports and it works.

About 5 months ago, we detected this problem, but because the problem did not occur in my development setup. I never took the time to fix it.

Now, I have to fix it.

My question is: why my board that I boot from PB 5.0 this problem does not occur and on all boards the I boot using the lolo script this problem happens.

What is different about the kitl connection, that does not let COM4 die? I am supposing it is because of the debug connection, what else it can be? I don't know. I am running out of ideas.

Thanks.

Hello,

A likely reason for this is that there's some library that Windows CE needs that probably isn't included in your workspace or your application. But when you're booted in a debug state CE uses the connection over KITL to actually go get the resources that it needs from the C:\WINCE500 folder.

Thanks,

But then, COM4 would never work.

COM4 works. But when I do something (I could not track where and what) in another thread (and the only thing that I know is that I am not acessing COM4 in this other thread at any time) that makes COM4 not respond anymore.

Thanks
Raul

ryoung,
Please send an email to platformsupport@logicpd.com about this issue. We will then contact you directly.

Thank You,
-Mike

I sent and the smtp server return me an error.

Please, send me another email address.


Thanks

ryoung,
That is the correct email address. Please double check that you used the right address or the other option is to use 'Ask A Question'.
https://www.logicpd.com/support/askaquestion.php

You must be registered to use the 'Ask a Question' feature.

Thanks,
-Mike