Re: [Discuss-gnuradio] How to stor hexadecimal transmitted data in ./benchmark_tx

[Jérémy Skelton]

Hi Vaibhav,

You may have a look at this :

f = open('file', 'a')
f.write('%X\t' % (data))

I didn't try but it should be the way to print in hexadecimal and  
appending to the file.


Le 26-nov.-08 à 15:06, Vaibhav Bhatnagar a écrit :

> I would like to capture all packets, when it generates in the file
> benchmark_tx.py at 2.4Ghz like this:
>
> # generate and send packets
>    nbytes = int(1e6 * options.megabytes)
>    n = 0
>    pktno = 0
>    pkt_size = int(options.size)
>
>    while n < nbytes:
>        if options.from_file is None:
>            data = (pkt_size - 2) * chr(pktno & 0xff)
>
>
> <<<< here I would like to write this data in file and   
> concatenate>>>>>>
>
>        payload = struct.pack('!H', pktno & 0xffff) + data
>        send_pkt(payload)
>        n += len(payload)
>        sys.stderr.write('.')
>
>
> I tried to write it like:
> f=open('a','w')
> f.write(data), but it doesn't work because, data is not one value  
> it's a
> sequence of specific size. I dig a bit more in python got no idea.
>
> can somebody give me an idea how I can store these value so that I can
> compare these data after capturing on receiving end by  
> usrp_rx_cfile.py
> --
> Posted via http://www.ruby-forum.com/.
>
>
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