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Strange characters on debug console

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Tuesday, March 22 2011, 08:25 PM
biga
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Hi! I successfully setup the serial debug console on my board, I see the whole boot process on the host with good characters, but when I want to type any command to the prompt, I get strange characters instead of what I am typing. Host: ubuntu 10.10. I get this behavior under minicom and gtkterm too. I use the igepv2 serial debug cable with a null modem cable connected to my laptop\\\'s serial port. Serial settings: 115200/8/N/1, whitout any flow control. What could be the problem? Thanks for your answers. bigA.
Responses (12)
  • Accepted Answer

    mcaro
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    Tuesday, March 22 2011, 08:38 PM - #permalink
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    Did you follow this howto? [url=http://labs.igep.es/index.php/How_to_setup_the_IDC10_cable]http://labs.igep.es/index.php/How_to_se ... DC10_cable[/url] Cheers Manel
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  • Accepted Answer

    biga
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    Tuesday, March 22 2011, 08:52 PM - #permalink
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    I found this howto but I thought it only applies to the usb232 conversion. But then I will cut the cable as described in the article. Thanks for your answer.
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  • Accepted Answer

    mcaro
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    Tuesday, March 22 2011, 11:08 PM - #permalink
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    It applies to all Full RS232 (with USB conversor or without it) connected to the debug /dual port UART connector (IGEPv2-RC boards) Cheers Manel
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  • Accepted Answer

    fewe
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    Thursday, April 07 2011, 12:46 PM - #permalink
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    so if for example I have a USB (male) to RS232 (female) + RS232 (male to male) + the cable you provide with the board (rs232 female to board), I will have to cut wre on the 3 cables?
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  • Accepted Answer

    mcaro
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    Thursday, April 07 2011, 01:04 PM - #permalink
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    Yes Manel
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  • Accepted Answer

    fewe
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    Thursday, April 07 2011, 01:27 PM - #permalink
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    Well how can i do this without tearing up and destroying my cables?
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  • Accepted Answer

    mcaro
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    Thursday, April 07 2011, 01:31 PM - #permalink
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    You only must cut the IDC-10 cable as it\\\'s described here: [url=http://labs.igep.es/index.php/How_to_setup_the_IDC10_cable]http://labs.igep.es/index.php/How_to_se ... DC10_cable[/url] Manel
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  • Accepted Answer

    fewe
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    Thursday, April 07 2011, 01:34 PM - #permalink
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    ok so i cut all 3 wires or only the cable your provide (you told me 30 minutes ago that i have to cut all 3 cables)? because I can\\\'t do both. If I don\\\'t have to cut all 3 cables, then I have a problem, because I set up Putty just like you say in the manual, and i have nothing at all (on linux and win 7, without RS232 to USB adapter, and on win 7 with the RS232 to usb adapter), with 112500 1N8, no flow control.
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  • Accepted Answer

    mcaro
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    Thursday, April 07 2011, 01:42 PM - #permalink
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    [b] Just follow the link and cut the (ONLY) IDC cable. You don\\\'t need do anything more ... [/b]
    Manel
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  • Accepted Answer

    fewe
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    Thursday, April 07 2011, 01:46 PM - #permalink
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    Well then I have a problem: whatever I try I don\\\'t have any data on the terminal. I will try to flash it, but I thought that you were supposed to flash it before you send it to customers.
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  • Accepted Answer

    mcaro
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    Thursday, April 07 2011, 02:49 PM - #permalink
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    Are you using a cross cable - Null Modem? Manel
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  • Accepted Answer

    fewe
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    Thursday, April 07 2011, 07:24 PM - #permalink
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    Ok i thought the null modem was wired on the cable you provide. It works thank you.
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