[ECOS] No RedBoot network after app start?

Gary Thomas gary@mlbassoc.com
Wed Jul 5 20:03:00 GMT 2006

Andre-John Mas wrote:
> Hi,
> I have a RedBoot that replies to pings when it is waiting at the command prompt and the user hasn't started typing ( _rb_gets blocks until enter is pressed ). I then load my application:
>   load -r -b 0x40000 app.bin
>   go 0x40000
> At this point my simple 'Hello World' displays its text. In the meantime the RedBoot stops replying to pings. My application is:
> #include <stdio.h>
> #include <stdlib.h>
> #include <sys/types.h>
> externC int  diag_printf( const char *fmt, ... );
> int main( int argc, char * argv[] )
> {
>     diag_printf("Hello world 1\n");
>     diag_printf("Hello world 2\n");
>     diag_printf("Hello world 3\n");
>     diag_printf("Hello world 4\n");
>     diag_printf("Hello world 5\n");
> }
> Does anyone have any ideas what could be wrong. My RedBoot is set up to be a 'ROM Monitor'. We are using an Adder II (MPC852T) based board.

Once your application starts, RedBoot is no longer running.
If you've connected via telnet and started the program, then
RedBoot can print messages via the telnet session, but pings
will go unanswered (until the next message is printed).

Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world

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