[lwip-users] Installed the new version, since all the changes and turned on the ASSERT debug

[Joolz [RSD]]

My code now stops with the following message.

Asserion p->flags==PBUF_FLAG_RAM || p->flags==PBUF_FLAG_POOL failed at
line 487 in lwip2/src/core/pbuf.c

Now in my code what I do is the following

...
Struct pbuf *data;
Unsigned char *tempBuffer;

        data = pbuf_alloc( PBUF_RAW, PAYLOAD_SIZE, PBUF_ROM);
        tempBuffer = pvMalloc( PAYLOAD_SIZE);
// Allocate my buffer from my memory

Now further in the code I need to fill a buffer from a circular buffer
and if the data does not wrap around I do the following

        data->payload = currentBufferAddress;
        udp_send( outUdp, data);

If the buffer will wrap around I copy the two parts into the temp buffer
allocated at the start 
        memcpy( tempBuffer, curren....
        memcpy( tempBuffer+whatsLeft, ....
        data->payload = tempBuffer;
        udp_send( outUdp, data);

So what is the best way because I don't want to copy the data when I do
not need to.


Best Regards

Julian Gardner

Director / Software Development Manager
RSD Communications Ltd
Unit 2, 8 Borrowmeadow Road
Stirling Scotland FK7 7UW

Tel    +44 [0]1786 450572 Ext 238
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