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Today's Topics:
1. Re: UHD Announcement - February 25rd 2011 (Thomas Tsou)
----------------------------------------------------------------------
Message: 1
Date: Tue, 1 Mar 2011 11:55:21 -0500
From: Thomas Tsou <[email protected]>
To: Josh Blum <[email protected]>
Cc: [email protected], "[email protected]"
<[email protected]>
Subject: Re: [USRP-users] UHD Announcement - February 25rd 2011
Message-ID: <[email protected]>
Content-Type: text/plain; charset=us-ascii
On Fri, Feb 25, 2011 at 8:32 PM, Josh Blum <[email protected]> wrote:
> Hello list,
>
> In preparation for the coming gnuradio release, and the cut-over from
> next to master, changes have been pushed to both the uhd.git master
> branch and the gnuradio.git next branch.
I'm getting the following timeouts after the update. I presume this has
something to do with buffering since it always occurs at the same packet
number - code change at end. Same result on e100 and rlt NIC's.
[ttsou@fischer examples]$ ./tx_timed_samples --secs 4 --nsamps 400000 --rate
400e3 --dilv --spp 864
linux; GNU C++ version 4.5.1 20100924 (Red Hat 4.5.1-4); Boost_104400;
UHD_003.20110226000831.77641c6
Creating the usrp device with: ...
Current recv sock buff size: 50000000 bytes
mboard0 MIMO master
Using Device: Single USRP:
Device: USRP2/N Series device
Mboard 0: USRP-N210 mboard
RX DSP 0: USRP-N210 ddc0
RX Channel: 0
RX Dboard: USRP-N210 dboard (rx unit)
RX Subdev: Unknown - Unknown (0xffff)
TX DSP 0: USRP-N210 duc0
TX Channel: 0
TX Dboard: USRP-N210 dboard (tx unit)
TX Subdev: Basic TX (0x0000) - AB
Setting TX Rate: 0.400000 Msps...
Actual TX Rate: 0.400000 Msps...
Setting TX Freq: 0.000000 Mhz...
Actual TX Freq: 0.000000 Mhz...
Setting device timestamp to 0...
Send timeout... Sent 362 samples of packet 237
Send timeout... Sent 0 samples of packet 238
Send timeout... Sent 0 samples of packet 239
Send timeout... Sent 0 samples of packet 240
Send timeout... Sent 0 samples of packet 241
...
Thomas
---
host/examples/tx_timed_samples.cpp | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/host/examples/tx_timed_samples.cpp
b/host/examples/tx_timed_samples.cpp
index f10d7e4..1f87ae3 100644
--- a/host/examples/tx_timed_samples.cpp
+++ b/host/examples/tx_timed_samples.cpp
@@ -106,7 +106,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
//send will backup into the host this many seconds before sending:
seconds_in_future + 0.1 //timeout (delay before transmit + padding)
);
- if (num_tx_samps < samps_to_send) std::cout << "Send timeout..." <<
std::endl;
+ if (num_tx_samps < samps_to_send)
+ std::cout << "Send timeout... Sent " << num_tx_samps << " samples
of packet " << i << std::endl;
if(verbose) std::cout << std::endl << boost::format("Sent %d samples")
% num_tx_samps << std::endl;
}
--
------------------------------
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