How to get FPGA_MODE_LOOPBACK in usrp2

GNU Radio
1

Hi,

Am using usrp2, and using gnuradio-3.2.2 stable version, compiled with
only --enable-usrp2 option. While reading the code, i observed in the
usrp, usrp_standard_rx::usrp_standard_rx(), the mode as a parameter, and
using the member shown below. I want to try similar kind of feature in
the usrp2, want to write small example that transmit the samples, and
the same samples loopbacks and receives at the receiver. Please can show
some examples where to look at.

best regards,
srinivas.

=========================================
bool
usrp_standard_rx::set_fpga_mode (int mode)
{
return _write_fpga_reg (FR_MODE, mode);
}

2

On Mon, Jan 04, 2010 at 10:16:38PM +0530, srinivas naga vutukuri wrote:

best regards,
srinivas.

=========================================
bool
usrp_standard_rx::set_fpga_mode (int mode)
{
return _write_fpga_reg (FR_MODE, mode);
}

Sorry, It’s not implemented on the USRP2.

It was basically a test feature that we used when bringing up the
USRP1…

Eric