Changes between Version 27 and Version 28 of Tutorials/k0SDR/Tutorial25

Timestamp:

Nov 22, 2017, 7:19:31 PM (7 years ago)

Author:

tingjunchen

Comment:

—

Tutorials/k0SDR/Tutorial25

@@ -31 +31 @@
  * Turn on the node: {{{omf tell -a on -t node11-10}}}
  * Login into the node: {{{ssh root@node11-10}}}
-
-After login into the node, there is a {{{flexicon_orbit}}} folder under the home directory of {{{node11-10}}} which contains the source code of this example. You can always retrieve the most recently updated code from [https://github.com/Wimnet/flexicon_orbit here].
+ After login into the node, a {{{flexicon_orbit}}} folder should exist under the home directory of {{{node11-10:~/}}} which contains the source code of this example. You can always retrieve the most recently updated code from [https://github.com/Wimnet/flexicon_orbit here].
 
 
@@ -38 +37 @@
 You will need to login into the full-duplex node (by {{{ssh root@node11-10}}}) in two separate terminal windows lo for running the experiment: one for the main full-duplex transceiver UHD program and one for controlling the RF canceller
 
- 1. In window 1 (UHD):
+==== In Terminal 1 (UHD) ====
  * Build the example:
 {{{
-cd ~/flexicon_orbit/fd_transceiver_simple/uhd
+cd ~/flexicon_orbit/fd_transceiver_simple/uhd/
 mkdir build
 cd build
@@ -47 +46 @@
 make
 }}}
-
- * Check the serial number of the USRP N210 (it should be {{{F331D4}}}): {{{uhd_find_devices}}}
-
+ * Check the conection and serial number of the USRP N210 at {{{node11-10}}}: {{{uhd_find_devices}}}. The serial number should be {{{F331D4}}}.
  * Run the example with IQ rate {{{rate}}}, carrier frequency {{{freq}}}, TX gain {{{tx-gain}}}, and RX gain {{{rx-gain}}}:
 {{{
 ./fd_transceiver_simple --tx-args="serial=F331D4" --rx-args="serial=F331D4" --rate 1e6 --freq 900e6 --tx-gain 10 --rx-gain 10
 }}}
-The default sine wave has an amplitude {{{ampl = 0.3}}} and wave frequency {{{wave-freq = 100e3}}} (100kHz).
+ The default sine wave has an amplitude {{{ampl = 0.3}}} and wave frequency {{{wave-freq = 100e3}}} (100kHz). This terminal window will show the power level at RX baseband, after RF cancellation (before digital) and after digital cancellation, respetively.
 
- 2. In window 2 (SUB-20):
+==== In Terminal 2 (SUB-20) ====
+ * Build the RF canceller configuration code:
+{{{
+cd ~/flexicon_orbit/fd_transceiver_simple/sub20/
+make
+}}}
+ * Check the connection to the SUB-20 device: {{{lbusb}}}. You should see a XDIMAX devices connected to the USB hub.
 
 
+