177 | | |
178 | | reciver node:path.../gnuradio/gr-utils/src/python# ./usrp_fft.py -R A -f 5M -d 128 |
179 | | }}} |
180 | | |
| 177 | receiver node:path.../gnuradio/gr-utils/src/python# ./usrp_fft.py -R A -f 5M -d 128 |
| 178 | }}} |
| 179 | |
| 180 | If you're X11 exports are working on the receiver you should see:[[BR]] |
| 181 | [[Image(usrp-gmsk-250kbps-fft.jpg)]] |
| 182 | |
| 183 | You can decode the transmitted waveform by using the command: |
| 184 | {{{ |
| 185 | receiver node:path.../gnuradio/gnuradio-examples/python/digital# ./benchmark_rx.py -f 5M -r 125k -R A -v |
| 186 | >>> gr_fir_fff: using SSE |
| 187 | bits per symbol = 1 |
| 188 | M&M clock recovery omega = 2.000000 |
| 189 | M&M clock recovery gain mu = 0.175000 |
| 190 | M&M clock recovery mu = 0.500000 |
| 191 | M&M clock recovery omega rel. limit = 0.005000 |
| 192 | frequency error = 0.000000 |
| 193 | |
| 194 | Receive Path: |
| 195 | Using RX d'board A: Basic Rx |
| 196 | Rx gain: 10 |
| 197 | modulation: gmsk_demod |
| 198 | bitrate: 125kb/s |
| 199 | samples/symbol: 2 |
| 200 | decim: 256 |
| 201 | Rx Frequency: 5M |
| 202 | ok = True pktno = 1 n_rcvd = 1 n_right = 1 |
| 203 | ok = True pktno = 2 n_rcvd = 2 n_right = 2 |
| 204 | ok = True pktno = 3 n_rcvd = 3 n_right = 3 |
| 205 | ok = True pktno = 4 n_rcvd = 4 n_right = 4 |
| 206 | ok = True pktno = 5 n_rcvd = 5 n_right = 5 |
| 207 | ok = True pktno = 6 n_rcvd = 6 n_right = 6 |
| 208 | ok = True pktno = 7 n_rcvd = 7 n_right = 7 |
| 209 | ok = True pktno = 8 n_rcvd = 8 n_right = 8 |
| 210 | }}} |
| 211 | |
| 212 | And you will see the decoded packet count as output. |
| 213 | |
| 214 | |