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Re: [Discuss-gnuradio] how does Packet Header Generator module handle ta

From: Marcus Müller
Subject: Re: [Discuss-gnuradio] how does Packet Header Generator module handle tags
Date: Sun, 20 Jul 2014 15:15:57 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

Hi Tiankun,

what's your GNU Radio version [1]? Where did you find that tx_ofdm.py?
There is no tx_ofdm.py in my GNU Radio source tree (in none of v3.7.4, v3.6.5 or v3.4.2). There is a tx_ofdm.grc, which can be used to generate a tx_ofdm.py, but that does not (and shouldn't) contain a "set_tag_propagation_policy" line.


[1] you can find out by running "gnuradio-config-info -v"
On 20.07.2014 14:54, Tiankun Hu wrote:
Hi Experts,
I was reading tx_ofdm.py. I found this module use
'set_tag_propagation_policy(TPP_DONT)' to handle tags by itself, but I
cann't find the code that used to handle tag in this module.
I knew this module will call 'packet_header_ofdm.header_formatter()' and
'packet_header_default.header_formatter()', but I also cann't find the
handle tag code in these functions.
Anyone can help me figure out where does this module process tags?


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