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Code Issues Releases Wiki Activity

Improve DUV decoder 

* Support arbtrary sampling rate
* Add UDP sink for the decoded frames
This commit is contained in:
Manolis Surligas 2018-08-19 21:08:48 +03:00
parent d824b95369
commit 58d6a32ad0
2 changed files with 431 additions and 323 deletions
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622
apps/flowgraphs/satellites/amsat_fox_duv_decoder.grc
View File

@ -101,7 +101,7 @@
</param>
<param>
<key>_coordinate</key>
<value>(1704, 52)</value>
<value>(968, 868)</value>
</param>
<param>
<key>_rotation</key>
@ -128,7 +128,7 @@
</param>
<param>
<key>_coordinate</key>
<value>(928, 1028)</value>
<value>(1080, 932)</value>
</param>
<param>
<key>_rotation</key>
@ -155,34 +155,7 @@
</param>
<param>
<key>_coordinate</key>
<value>(1704, 260)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>filter_rate</value>
</param>
<param>
<key>value</key>
<value>250000</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1040, 1028)</value>
<value>(1080, 868)</value>
</param>
<param>
<key>_rotation</key>
@ -197,108 +170,6 @@
<value>3000</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value>SDR device
TX sampling rate</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1088, 860)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samp_rate_rx</value>
</param>
<param>
<key>value</key>
<value>satnogs.hw_rx_settings[rx_sdr_device]['samp_rate']</value>
</param>
</block>
<block>
<key>variable_low_pass_filter_taps</key>
<param>
<key>beta</key>
<value>6.76</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>cutoff_freq</key>
<value>100e3</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(48, 716)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>gain</key>
<value>12.0</value>
</param>
<param>
<key>id</key>
<value>taps</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate_rx</value>
</param>
<param>
<key>width</key>
<value>60000</value>
</param>
<param>
<key>win</key>
<value>firdes.WIN_HAMMING</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1704, 164)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>xlate_filter_taps</value>
</param>
<param>
<key>value</key>
<value>firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)</value>
</param>
</block>
<block>
<key>analog_quadrature_demod_cf</key>
<param>
@ -319,7 +190,50 @@ TX sampling rate</value>
</param>
<param>
<key>_coordinate</key>
<value>(864, 412)</value>
<value>(1368, 188)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>gain</key>
<value>1.0</value>
</param>
<param>
<key>id</key>
<value>analog_quadrature_demod_cf_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
</block>
<block>
<key>analog_quadrature_demod_cf</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1280, 380)</value>
</param>
<param>
<key>_rotation</key>
@ -331,7 +245,7 @@ TX sampling rate</value>
</param>
<param>
<key>id</key>
<value>analog_quadrature_demod_cf_0</value>
<value>analog_quadrature_demod_cf_0_0</value>
</param>
<param>
<key>maxoutbuf</key>
@ -389,6 +303,53 @@ TX sampling rate</value>
<value>satnogs.not_set_antenna</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value>For compatibility, not used</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(160, 1028)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>baudrate</value>
</param>
<param>
<key>label</key>
<value></value>
</param>
<param>
<key>short_id</key>
<value></value>
</param>
<param>
<key>hide</key>
<value>none</value>
</param>
<param>
<key>type</key>
<value>eng_float</value>
</param>
<param>
<key>value</key>
<value>9600.0</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
@ -437,7 +398,7 @@ TX sampling rate</value>
</param>
</block>
<block>
<key>rational_resampler_xxx</key>
<key>blocks_rotator_cc</key>
<param>
<key>alias</key>
<value></value>
@ -450,21 +411,13 @@ TX sampling rate</value>
<key>affinity</key>
<value></value>
</param>
<param>
<key>decim</key>
<value>125</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>fbw</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(1196, 263)</value>
<value>(248, 364)</value>
</param>
<param>
<key>_rotation</key>
@ -472,11 +425,7 @@ TX sampling rate</value>
</param>
<param>
<key>id</key>
<value>blks2_rational_resampler_xxx_1</value>
</param>
<param>
<key>interp</key>
<value>24</value>
<value>blocks_rotator_cc_0</value>
</param>
<param>
<key>maxoutbuf</key>
@ -487,12 +436,8 @@ TX sampling rate</value>
<value>0</value>
</param>
<param>
<key>taps</key>
<value>[]</value>
</param>
<param>
<key>type</key>
<value>ccc</value>
<key>phase_inc</key>
<value>-2.0 * math.pi * (lo_offset / satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))</value>
</param>
</block>
<block>
@ -515,7 +460,7 @@ TX sampling rate</value>
</param>
<param>
<key>_coordinate</key>
<value>(598, 530)</value>
<value>(520, 484)</value>
</param>
<param>
<key>_rotation</key>
@ -660,7 +605,7 @@ TX sampling rate</value>
</param>
<param>
<key>_coordinate</key>
<value>(1348, 773)</value>
<value>(1360, 640)</value>
</param>
<param>
<key>_rotation</key>
@ -699,7 +644,7 @@ TX sampling rate</value>
</param>
<param>
<key>_coordinate</key>
<value>(1093, 598)</value>
<value>(928, 460)</value>
</param>
<param>
<key>_rotation</key>
@ -883,65 +828,6 @@ TX sampling rate</value>
<value>test.ogg</value>
</param>
</block>
<block>
<key>freq_xlating_fir_filter_xxx</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>center_freq</key>
<value>lo_offset</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>decim</key>
<value>int(samp_rate_rx/filter_rate)</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(680, 268)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>freq_xlating_fir_filter_xxx_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate_rx</value>
</param>
<param>
<key>taps</key>
<value>xlate_filter_taps</value>
</param>
<param>
<key>type</key>
<value>ccc</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
@ -1123,11 +1009,11 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(1064, 368)</value>
<value>(1008, 140)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
<value>0</value>
</param>
<param>
<key>gain</key>
@ -1198,15 +1084,15 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(390, 494)</value>
<value>(512, 332)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
<value>180</value>
</param>
<param>
<key>gain</key>
<value>1.0</value>
<value>1</value>
</param>
<param>
<key>id</key>
@ -1253,7 +1139,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>bw0</key>
<value>samp_rate_rx</value>
<value>satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)</value>
</param>
<param>
<key>dc_offset_mode0</key>
@ -2541,7 +2427,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(16, 376)</value>
<value>(16, 276)</value>
</param>
<param>
<key>_rotation</key>
@ -2637,13 +2523,76 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>sample_rate</key>
<value>samp_rate_rx</value>
<value>satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)</value>
</param>
<param>
<key>sync</key>
<value></value>
</param>
</block>
<block>
<key>pfb_arb_resampler_xxx</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(528, 164)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>pfb_arb_resampler_xxx_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>nfilts</key>
<value>32</value>
</param>
<param>
<key>rrate</key>
<value>audio_samp_rate/satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)</value>
</param>
<param>
<key>samp_delay</key>
<value>0</value>
</param>
<param>
<key>atten</key>
<value>100</value>
</param>
<param>
<key>taps</key>
<value></value>
</param>
<param>
<key>type</key>
<value>ccf</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
@ -2817,7 +2766,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(805, 590)</value>
<value>(688, 452)</value>
</param>
<param>
<key>_rotation</key>
@ -2950,6 +2899,53 @@ max_modulation_freq = 3000</value>
<value>usrpb200</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(48, 1028)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samp_rate_rx</value>
</param>
<param>
<key>label</key>
<value></value>
</param>
<param>
<key>short_id</key>
<value></value>
</param>
<param>
<key>hide</key>
<value>none</value>
</param>
<param>
<key>type</key>
<value>eng_float</value>
</param>
<param>
<key>value</key>
<value>satnogs.not_set_samp_rate_rx</value>
</param>
</block>
<block>
<key>satnogs_ccsds_rs_decoder_mm</key>
<param>
@ -2970,7 +2966,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(877, 773)</value>
<value>(888, 640)</value>
</param>
<param>
<key>_rotation</key>
@ -3009,7 +3005,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(352, 276)</value>
<value>(296, 184)</value>
</param>
<param>
<key>_rotation</key>
@ -3029,7 +3025,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>sampling_rate</key>
<value>samp_rate_rx</value>
<value>satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)</value>
</param>
<param>
<key>target_freq</key>
@ -3060,7 +3056,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(1125, 761)</value>
<value>(1136, 628)</value>
</param>
<param>
<key>_rotation</key>
@ -3103,7 +3099,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(535, 759)</value>
<value>(544, 640)</value>
</param>
<param>
<key>_rotation</key>
@ -3142,7 +3138,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(279, 779)</value>
<value>(280, 628)</value>
</param>
<param>
<key>_rotation</key>
@ -3189,7 +3185,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(1376, 132)</value>
<value>(776, 52)</value>
</param>
<param>
<key>_rotation</key>
@ -3201,7 +3197,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>scale</key>
<value>32767</value>
<value>16768</value>
</param>
<param>
<key>status</key>
@ -3232,11 +3228,11 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(327, 363)</value>
<value>(1560, 172)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
<value>0</value>
</param>
<param>
<key>id</key>
@ -3271,7 +3267,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(1308, 618)</value>
<value>(1200, 484)</value>
</param>
<param>
<key>_rotation</key>
@ -3318,7 +3314,7 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(16, 204)</value>
<value>(16, 140)</value>
</param>
<param>
<key>_rotation</key>
@ -3354,7 +3350,50 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>interval</key>
<value>1000/doppler_correction_per_sec</value>
<value>1000</value>
</param>
</block>
<block>
<key>satnogs_udp_msg_sink</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(280, 692)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
</param>
<param>
<key>id</key>
<value>satnogs_udp_msg_sink_0_0</value>
</param>
<param>
<key>addr</key>
<value>udp_IP</value>
</param>
<param>
<key>mtu</key>
<value>1500</value>
</param>
<param>
<key>port</key>
<value>udp_port</value>
</param>
</block>
<block>
@ -3389,11 +3428,11 @@ max_modulation_freq = 3000</value>
</param>
<param>
<key>_coordinate</key>
<value>(1488, 248)</value>
<value>(512, 28)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
<value>180</value>
</param>
<param>
<key>id</key>
@ -3412,6 +3451,53 @@ max_modulation_freq = 3000</value>
<value>audio_samp_rate</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(296, 1028)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>udp_port</value>
</param>
<param>
<key>label</key>
<value></value>
</param>
<param>
<key>short_id</key>
<value></value>
</param>
<param>
<key>hide</key>
<value>none</value>
</param>
<param>
<key>type</key>
<value>intx</value>
</param>
<param>
<key>value</key>
<value>16887</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
@ -3459,12 +3545,6 @@ max_modulation_freq = 3000</value>
<value>/tmp/waterfall.dat</value>
</param>
</block>
<connection>
<source_block_id>analog_quadrature_demod_cf_0</source_block_id>
<sink_block_id>low_pass_filter_1</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>analog_quadrature_demod_cf_0</source_block_id>
<sink_block_id>satnogs_ogg_encoder_0</sink_block_id>
@ -3472,20 +3552,14 @@ max_modulation_freq = 3000</value>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
<sink_block_id>low_pass_filter_0</sink_block_id>
<source_block_id>analog_quadrature_demod_cf_0_0</source_block_id>
<sink_block_id>low_pass_filter_1</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
<sink_block_id>satnogs_iq_sink_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
<sink_block_id>satnogs_waterfall_sink_0</sink_block_id>
<source_block_id>blocks_rotator_cc_0</source_block_id>
<sink_block_id>satnogs_coarse_doppler_correction_cc_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
@ -3508,14 +3582,14 @@ max_modulation_freq = 3000</value>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
<sink_block_id>blks2_rational_resampler_xxx_1</sink_block_id>
<source_block_id>low_pass_filter_0</source_block_id>
<sink_block_id>analog_quadrature_demod_cf_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>low_pass_filter_0</source_block_id>
<sink_block_id>analog_quadrature_demod_cf_0</sink_block_id>
<sink_block_id>analog_quadrature_demod_cf_0_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
@ -3527,7 +3601,25 @@ max_modulation_freq = 3000</value>
</connection>
<connection>
<source_block_id>osmosdr_source_0</source_block_id>
<sink_block_id>satnogs_coarse_doppler_correction_cc_0</sink_block_id>
<sink_block_id>blocks_rotator_cc_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>pfb_arb_resampler_xxx_0</source_block_id>
<sink_block_id>low_pass_filter_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>pfb_arb_resampler_xxx_0</source_block_id>
<sink_block_id>satnogs_iq_sink_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>pfb_arb_resampler_xxx_0</source_block_id>
<sink_block_id>satnogs_waterfall_sink_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
@ -3545,7 +3637,7 @@ max_modulation_freq = 3000</value>
</connection>
<connection>
<source_block_id>satnogs_coarse_doppler_correction_cc_0</source_block_id>
<sink_block_id>freq_xlating_fir_filter_xxx_0</sink_block_id>
<sink_block_id>pfb_arb_resampler_xxx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
@ -3561,6 +3653,12 @@ max_modulation_freq = 3000</value>
<source_key>raw</source_key>
<sink_key>frame</sink_key>
</connection>
<connection>
<source_block_id>satnogs_fox_telem_mm_0</source_block_id>
<sink_block_id>satnogs_udp_msg_sink_0_0</sink_block_id>
<source_key>raw</source_key>
<sink_key>in</sink_key>
</connection>
<connection>
<source_block_id>satnogs_quad_demod_filter_ff_0</source_block_id>
<sink_block_id>digital_binary_slicer_fb_0_0</sink_block_id>

132
apps/flowgraphs/satellites/satnogs_amsat_fox_duv_decoder.py
View File

@ -5,16 +5,18 @@
# Title: AMSAT FOX DUV Decoder
# Author: Thanos Giolias (agiolias@csd.uoc.gr), Nikos Karamolegos (karamolegkos.n@gmail.com), Manolis Surligas (surligas@gmail.com)
# Description: A DUV Decoder for the AMSAT FOX satellites
# Generated: Mon Jul 30 13:36:42 2018
# Generated: Sun Aug 19 21:41:34 2018
##################################################
from gnuradio import analog
from gnuradio import blocks
from gnuradio import digital
from gnuradio import eng_notation
from gnuradio import filter
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from gnuradio.filter import pfb
from optparse import OptionParser
import math
import osmosdr
@ -24,13 +26,14 @@ import time
class satnogs_amsat_fox_duv_decoder(gr.top_block):
def __init__(self, antenna=satnogs.not_set_antenna, bb_gain=satnogs.not_set_rx_bb_gain, decoded_data_file_path='/tmp/.satnogs/data/data', dev_args=satnogs.not_set_dev_args, doppler_correction_per_sec=20, enable_iq_dump=0, file_path='test.ogg', if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=100e6, rx_sdr_device='usrpb200', waterfall_file_path='/tmp/waterfall.dat'):
def __init__(self, antenna=satnogs.not_set_antenna, baudrate=9600.0, bb_gain=satnogs.not_set_rx_bb_gain, decoded_data_file_path='/tmp/.satnogs/data/data', dev_args=satnogs.not_set_dev_args, doppler_correction_per_sec=20, enable_iq_dump=0, file_path='test.ogg', if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=100e6, rx_sdr_device='usrpb200', samp_rate_rx=satnogs.not_set_samp_rate_rx, udp_port=16887, waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "AMSAT FOX DUV Decoder")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.baudrate = baudrate
self.bb_gain = bb_gain
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
@ -45,18 +48,14 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.samp_rate_rx = samp_rate_rx
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[rx_sdr_device]['samp_rate']
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.taps = taps = firdes.low_pass(12.0, samp_rate_rx, 100e3, 60000, firdes.WIN_HAMMING, 6.76)
self.max_modulation_freq = max_modulation_freq = 3000
self.filter_rate = filter_rate = 250000
self.deviation = deviation = 5000
self.audio_samp_rate = audio_samp_rate = 48000
@ -64,20 +63,27 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source("127.0.0.1", rigctl_port, False, 1000/doppler_correction_per_sec, 1500)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink('udp_IP', udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source("127.0.0.1", rigctl_port, False, 1000, 1500)
self.satnogs_quad_demod_filter_ff_0 = satnogs.quad_demod_filter_ff(1.2)
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(32767, iq_file_path, False, enable_iq_dump)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False, enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(decoded_data_file_path, 0)
self.satnogs_fox_telem_mm_0 = satnogs.fox_telem_mm()
self.satnogs_decoder_8b10b_0 = satnogs.decoder_8b10b('0011111010', 960)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(rx_freq, samp_rate_rx)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(rx_freq, satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.satnogs_ccsds_rs_decoder_mm_0 = satnogs.ccsds_rs_decoder_mm()
self.root_raised_cosine_filter_0 = filter.fir_filter_fff(1, firdes.root_raised_cosine(
1, 1, 2.4, 0.5, 512))
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
audio_samp_rate/satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx),
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.handle_rx_dev_args(rx_sdr_device, dev_args) )
self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
self.osmosdr_source_0.set_sample_rate(satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
@ -87,23 +93,18 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
self.osmosdr_source_0.set_bandwidth(satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 0)
self.low_pass_filter_1 = filter.fir_filter_fff(100, firdes.low_pass(
1.0, audio_samp_rate, 195, 10, firdes.WIN_HAMMING, 6.76))
1, audio_samp_rate, 195, 10, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, audio_samp_rate, deviation+max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate_rx/filter_rate), (xlate_filter_taps), lo_offset, samp_rate_rx)
self.digital_clock_recovery_mm_xx_0_0_0 = digital.clock_recovery_mm_ff((audio_samp_rate/100.0) / 200, 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=24,
decimation=125,
taps=None,
fractional_bw=None,
)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.2)
self.blocks_rotator_cc_0 = blocks.rotator_cc(-2.0 * math.pi * (lo_offset / satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)))
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(1.2)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0)
@ -113,21 +114,23 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
self.msg_connect((self.satnogs_ccsds_rs_decoder_mm_0, 'pdu'), (self.satnogs_fox_telem_mm_0, 'in'))
self.msg_connect((self.satnogs_decoder_8b10b_0, 'pdu'), (self.satnogs_ccsds_rs_decoder_mm_0, 'in'))
self.msg_connect((self.satnogs_fox_telem_mm_0, 'raw'), (self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_fox_telem_mm_0, 'raw'), (self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.satnogs_ogg_encoder_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.low_pass_filter_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_iq_sink_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_waterfall_sink_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.blocks_rotator_cc_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.dc_blocker_xx_0, 0), (self.root_raised_cosine_filter_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.satnogs_decoder_8b10b_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0_0, 0), (self.satnogs_quad_demod_filter_ff_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.dc_blocker_xx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.satnogs_iq_sink_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.satnogs_waterfall_sink_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_clock_recovery_mm_xx_0_0_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.satnogs_quad_demod_filter_ff_0, 0), (self.digital_binary_slicer_fb_0_0, 0))
def get_antenna(self):
@ -137,6 +140,12 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
self.antenna = antenna
self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
def get_baudrate(self):
return self.baudrate
def set_baudrate(self, baudrate):
self.baudrate = baudrate
def get_bb_gain(self):
return self.bb_gain
@ -193,7 +202,7 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
def set_lo_offset(self, lo_offset):
self.lo_offset = lo_offset
self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0)
self.freq_xlating_fir_filter_xxx_0.set_center_freq(self.lo_offset)
self.blocks_rotator_cc_0.set_phase_inc(-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx)))
def get_ppm(self):
return self.ppm
@ -228,11 +237,30 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
def set_rx_sdr_device(self, rx_sdr_device):
self.rx_sdr_device = rx_sdr_device
self.set_samp_rate_rx(satnogs.hw_rx_settings[self.rx_sdr_device]['samp_rate'])
self.pfb_arb_resampler_xxx_0.set_rate(self.audio_samp_rate/satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_sample_rate(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0)
self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0)
self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0)
self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
self.osmosdr_source_0.set_bandwidth(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx), 0)
self.blocks_rotator_cc_0.set_phase_inc(-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx)))
def get_samp_rate_rx(self):
return self.samp_rate_rx
def set_samp_rate_rx(self, samp_rate_rx):
self.samp_rate_rx = samp_rate_rx
self.pfb_arb_resampler_xxx_0.set_rate(self.audio_samp_rate/satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_sample_rate(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_bandwidth(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx), 0)
self.blocks_rotator_cc_0.set_phase_inc(-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx)))
def get_udp_port(self):
return self.udp_port
def set_udp_port(self, udp_port):
self.udp_port = udp_port
def get_waterfall_file_path(self):
return self.waterfall_file_path
@ -240,28 +268,6 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
def set_waterfall_file_path(self, waterfall_file_path):
self.waterfall_file_path = waterfall_file_path
def get_samp_rate_rx(self):
return self.samp_rate_rx
def set_samp_rate_rx(self, samp_rate_rx):
self.samp_rate_rx = samp_rate_rx
self.set_xlate_filter_taps(firdes.low_pass(1, self.samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76))
self.osmosdr_source_0.set_sample_rate(self.samp_rate_rx)
self.osmosdr_source_0.set_bandwidth(self.samp_rate_rx, 0)
def get_xlate_filter_taps(self):
return self.xlate_filter_taps
def set_xlate_filter_taps(self, xlate_filter_taps):
self.xlate_filter_taps = xlate_filter_taps
self.freq_xlating_fir_filter_xxx_0.set_taps((self.xlate_filter_taps))
def get_taps(self):
return self.taps
def set_taps(self, taps):
self.taps = taps
def get_max_modulation_freq(self):
return self.max_modulation_freq
@ -269,12 +275,6 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
self.max_modulation_freq = max_modulation_freq
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.audio_samp_rate, self.deviation+self.max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76))
def get_filter_rate(self):
return self.filter_rate
def set_filter_rate(self, filter_rate):
self.filter_rate = filter_rate
def get_deviation(self):
return self.deviation
@ -287,7 +287,8 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
def set_audio_samp_rate(self, audio_samp_rate):
self.audio_samp_rate = audio_samp_rate
self.low_pass_filter_1.set_taps(firdes.low_pass(1.0, self.audio_samp_rate, 195, 10, firdes.WIN_HAMMING, 6.76))
self.pfb_arb_resampler_xxx_0.set_rate(self.audio_samp_rate/satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.low_pass_filter_1.set_taps(firdes.low_pass(1, self.audio_samp_rate, 195, 10, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.audio_samp_rate, self.deviation+self.max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76))
self.digital_clock_recovery_mm_xx_0_0_0.set_omega((self.audio_samp_rate/100.0) / 200)
@ -298,6 +299,9 @@ def argument_parser():
parser.add_option(
"", "--antenna", dest="antenna", type="string", default=satnogs.not_set_antenna,
help="Set antenna [default=%default]")
parser.add_option(
"", "--baudrate", dest="baudrate", type="eng_float", default=eng_notation.num_to_str(9600.0),
help="Set baudrate [default=%default]")
parser.add_option(
"", "--bb-gain", dest="bb_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_bb_gain),
help="Set bb_gain [default=%default]")
@ -340,6 +344,12 @@ def argument_parser():
parser.add_option(
"", "--rx-sdr-device", dest="rx_sdr_device", type="string", default='usrpb200',
help="Set rx_sdr_device [default=%default]")
parser.add_option(
"", "--samp-rate-rx", dest="samp_rate_rx", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_samp_rate_rx),
help="Set samp_rate_rx [default=%default]")
parser.add_option(
"", "--udp-port", dest="udp_port", type="intx", default=16887,
help="Set udp_port [default=%default]")
parser.add_option(
"", "--waterfall-file-path", dest="waterfall_file_path", type="string", default='/tmp/waterfall.dat',
help="Set waterfall_file_path [default=%default]")
@ -350,7 +360,7 @@ def main(top_block_cls=satnogs_amsat_fox_duv_decoder, options=None):
if options is None:
options, _ = argument_parser().parse_args()
tb = top_block_cls(antenna=options.antenna, bb_gain=options.bb_gain, decoded_data_file_path=options.decoded_data_file_path, dev_args=options.dev_args, doppler_correction_per_sec=options.doppler_correction_per_sec, enable_iq_dump=options.enable_iq_dump, file_path=options.file_path, if_gain=options.if_gain, iq_file_path=options.iq_file_path, lo_offset=options.lo_offset, ppm=options.ppm, rf_gain=options.rf_gain, rigctl_port=options.rigctl_port, rx_freq=options.rx_freq, rx_sdr_device=options.rx_sdr_device, waterfall_file_path=options.waterfall_file_path)
tb = top_block_cls(antenna=options.antenna, baudrate=options.baudrate, bb_gain=options.bb_gain, decoded_data_file_path=options.decoded_data_file_path, dev_args=options.dev_args, doppler_correction_per_sec=options.doppler_correction_per_sec, enable_iq_dump=options.enable_iq_dump, file_path=options.file_path, if_gain=options.if_gain, iq_file_path=options.iq_file_path, lo_offset=options.lo_offset, ppm=options.ppm, rf_gain=options.rf_gain, rigctl_port=options.rigctl_port, rx_freq=options.rx_freq, rx_sdr_device=options.rx_sdr_device, samp_rate_rx=options.samp_rate_rx, udp_port=options.udp_port, waterfall_file_path=options.waterfall_file_path)
tb.start()
tb.wait()