[U-Boot-Users] U-Boot/Kermit Problem

ganapathi ganapathi at isofttech.com
Thu Apr 29 09:35:58 CEST 2004


Hi Ashish,
    Check whether your serial_getc() function is returning 0. Your
serial_get() function should not return 0 if LSR_DR is 0.
I hope this will solve your problem.

Regards
Ganapathi C

----- Original Message ----- 
From: "Ashish R Dhawane" <ashish at cdotb.ernet.in>
To: <u-boot-users at lists.sourceforge.net>
Sent: Thursday, April 29, 2004 12:28 PM
Subject: [U-Boot-Users] U-Boot/Kermit Problem


>
> I am facing a problem in loading a binary file from minicom.
> Whenver I try to load, it is going in an infinite loop.
>
> => loadb 100000
> ## Ready for binary (kermit) download to 0x00100000 at 9600 bps...
>
>
> I configured kermit as told in the DULG/SystemSetup Manual....
> Only change I made is
>
> set speed 9600 instead of 115200
>
> I am getting stuck here. After going through the u-boot source code ....
> The calling sequence is ....
>
> -load_serial_bin
> -k_recv
>
> Inside k_recv the code where I stucked up here is ...
>
> ----------------------------ACTUAL CODE-----------------------------------
>                 /* get a packet */
>                 /* wait for the starting character or ^C */
>                 for (;;) {
>                         switch (serial_getc ()) {
>                         case START_CHAR:   /* start packet */
>                                 goto START;
>                         case ETX_CHAR:  /* ^C waiting for packet*/
>                                 return (0);
>                         default:
>                                 ;
>                         }
>                 }
> ----------------------------ACTUAL CODE UP TO HERE------------------------
>
> I think it continiously in the for loop.
> When I press control-C then it will come comeout saying ....
>
> ## Total Size      = 0x00000000 = 0 Bytes
> ## Start Addr      = 0x00100000
>
> Can anyabody help me why it is happening ?
> Any help will be appreciated.
>
> -regards,
> -Ashish
>
>
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> Ashish R Dhawane
> Research Engineer
> W-CDMA Group (3G RAN)
>
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