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From: | Tom Rondeau |
Subject: | Re: [Discuss-gnuradio] tag debug |
Date: | Mon, 4 Jan 2016 09:50:44 -0500 |
hello alli am using fec mode of gnuradio,and this is my grc
when i run the grc i got the message->Executing: '/usr/bin/python2 -u /home/cdl/gmsk_fec/gmsk_fec.py'Using Volk machine: sse4_2_32bits per symbol = 1M&M clock recovery omega = 10.000000M&M clock recovery gain mu = 0.175000M&M clock recovery mu = 0.500000M&M clock recovery omega rel. limit = 0.005000frequency error = 0.000000DEBUG: nout: 32768 nin: 400 ret: 812DEBUG: nout: 32768 nin: 400 ret: 812DEBUG: nout: 32768 nin: 400 ret: 812FATAL: Missing a required length tag on port 0 at item #812thread[thread-per-block[22]: <block fec_tagged_decoder (8)>]: Missing length tag.this mean in the fec_decoder block ,there is no length tag,but the tag debug block message isTag Debug:Input Stream: 00Offset: 11100 Source: n/a Key: packet_len Value: 50Offset: 11150 Source: n/a Key: packet_len Value: 50Offset: 11200 Source: n/a Key: packet_len Value: 50Offset: 11250 Source: n/a Key: packet_len Value: 50Offset: 11300 Source: n/a Key: packet_len Value: 50Offset: 11350 Source: n/a Key: packet_len Value: 50Offset: 11400 Source: n/a Key: packet_len Value: 50Offset: 11450 Source: n/a Key: packet_len Value: 50,i want to know what's the real problem of this grc,and how can i fix this problemthank you--Ekko
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