[ECOS] Serial communications

grahamlab graham.labdon@cranems.co.uk
Tue Jul 7 09:29:00 GMT 2009




John Dallaway-2 wrote:
> 
> Hi Graham
> 
> grahamlab wrote:
> 
>> I decided to try and get the serial tests working but have run into some
>> problems - here is what I do
>> 
>> In a cmd window I type the command 'ser_filter -t 9000 /dev/ttyS0 38400'
>> this gives the following output - [b7cc18c0 Tu 07:33:38]
>> ConnectSocketToSerial : socket 3 <--> /dev/ttyS0 [b7cc18c0 Tu 07:33:38]
>> Applysettings baud=38400 bParity=0 stopbits=1 databits=8 [b7cc18c0 Tu
>> 07:33:38] Changing configuration...
>> [b7cc18c0 Tu 07:33:38] Done.
>> [b7cc18c0 Tu 07:33:38] ConnectSocketToSerial: waiting for connection...
>> 
>> In another cmd window I type the command arm-eabi-gdb  -x gdb.init
>> ../../DevBoard_install/tests/io/serial/v3_0/tests/serial3
>> At the gdb prompt I type the following commands set remotebaud 38400 set
>> remote memory-write-packet-size 64 target remote localhost:9000
>> 
>> The ser_filter program shows that a connection has been made - [b7cc18c0
>> Tu
>> 07:43:12] Connection accepted from localhost - socket 5 [b7cc18c0 Tu
>> 07:43:12] ConnectSocketToSerial: connected
>> 
>> At the gdb prompt I type 'c' but nothing further happens.
>> 
>> What am I doing wrong?
> 
> Assuming eCos is built for RAM startup, you will need to use the GDB
> "load" command to download the test to your target:
> 
>   (gdb) target remote localhost:9000
>   (gdb) load
>   (gdb) continue
> 
> John Dallaway
> 
> -- 
> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
> 
> 
> 
When I use load I get the same result!!
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