From b4900fe21eaff9cdac6e42de93e36bd65d3f0832 Mon Sep 17 00:00:00 2001 From: Manolis Surligas Date: Sun, 12 Jun 2016 15:31:56 +0300 Subject: [PATCH] Improve AFSK transmission Add also an AFSK receiver for easier debugging. --- apps/flowgraphs/upsat_afsk_receiver.grc | 3376 ++++++++++++++++++++ apps/flowgraphs/upsat_afsk_transmitter.grc | 988 +++++- 2 files changed, 4357 insertions(+), 7 deletions(-) create mode 100644 apps/flowgraphs/upsat_afsk_receiver.grc diff --git a/apps/flowgraphs/upsat_afsk_receiver.grc b/apps/flowgraphs/upsat_afsk_receiver.grc new file mode 100644 index 0000000..16c5796 --- /dev/null +++ b/apps/flowgraphs/upsat_afsk_receiver.grc @@ -0,0 +1,3376 @@ + + + + Sun Jun 12 15:05:28 2016 + + options + + author + + + + window_size + 1768,1080 + + + category + Custom + + + comment + + + + description + + + + _enabled + True + + + _coordinate + (16, 13) + + + _rotation + 0 + + + generate_options + qt_gui + + + hier_block_src_path + .: + + + id + upsat_afsk_receiver + + + max_nouts + 0 + + + qt_qss_theme + + + + realtime_scheduling + + + + run_command + {python} -u {filename} + + + run_options + prompt + + + run + True + + + thread_safe_setters + + + + title + + + + + variable + + comment + FSK baud rate + + + _enabled + True + + + _coordinate + (656, 13) + + + _rotation + 0 + + + id + baud_rate + + + value + 1200 + + + + variable_qtgui_range + + comment + + + + value + 0 + + + _enabled + True + + + _coordinate + (1296, 17) + + + gui_hint + + + + _rotation + 0 + + + id + bb_gain_rx + + + label + BB Gain RX + + + min_len + 200 + + + orient + Qt.Horizontal + + + start + 0 + + + step + 0.5 + + + stop + 40 + + + rangeType + float + + + widget + counter_slider + + + + variable + + comment + Decimation factor +for the RX after the +SDR received samples + + + _enabled + True + + + _coordinate + (192, 13) + + + _rotation + 0 + + + id + decimation_rx + + + value + 40 + + + + variable + + comment + The FSK frequency deviation + + + _enabled + True + + + _coordinate + (472, 13) + + + _rotation + 0 + + + id + deviation + + + value + 1.25e3 + + + + variable_qtgui_range + + comment + + + + value + 0 + + + _enabled + True + + + _coordinate + (1184, 17) + + + gui_hint + + + + _rotation + 0 + + + id + if_gain_rx + + + label + IF Gain RX + + + min_len + 200 + + + orient + Qt.Horizontal + + + start + 0 + + + step + 0.5 + + + stop + 40 + + + rangeType + float + + + widget + counter_slider + + + + variable + + comment + To avoid the SDR carrier at the DC +we shift the LO a little further + + + _enabled + 1 + + + _coordinate + (896, 13) + + + _rotation + 0 + + + id + lo_offset + + + value + 100e3 + + + + variable + + comment + + + + _enabled + True + + + _coordinate + (8, 213) + + + _rotation + 0 + + + id + modulation_index + + + value + deviation / (baud_rate / 2.0) + + + + variable_qtgui_range + + comment + + + + value + 0 + + + _enabled + True + + + _coordinate + (1072, 17) + + + gui_hint + + + + _rotation + 0 + + + id + rf_gain_rx + + + label + RF Gain RX + + + min_len + 200 + + + orient + Qt.Horizontal + + + start + 0 + + + step + 0.5 + + + stop + 40 + + + rangeType + float + + + widget + counter_slider + + + + variable + + comment + The RX center frequency + of the system + + + _enabled + True + + + _coordinate + (760, 13) + + + _rotation + 0 + + + id + rx_frequency + + + value + 145.835e6 + + + + variable + + comment + + + + _enabled + True + + + _coordinate + (16, 117) + + + _rotation + 0 + + + id + samp_rate + + + value + samp_rate_rx/decimation_rx + + + + variable + + comment + SDR device +TX sampling rate + + + _enabled + True + + + _coordinate + (344, 13) + + + _rotation + 0 + + + id + samp_rate_rx + + + value + 2.5e6 + + + + variable_low_pass_filter_taps + + beta + 6.76 + + + comment + + + + cutoff_freq + 20000 + + + _enabled + 1 + + + _coordinate + (1416, 18) + + + _rotation + 0 + + + gain + 1.0 + + + id + taps + + + samp_rate + samp_rate_rx + + + width + 60000 + + + win + firdes.WIN_HAMMING + + + + 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1 + + + _coordinate + (360, 478) + + + _rotation + 180 + + + id + satnogs_udp_msg_sink_0 + + + addr + "10.2.110.42" + + + mtu + 1500 + + + port + 16886 + + + + satnogs_upsat_fsk_frame_acquisition + + alias + + + + check_crc + False + + + comment + + + + affinity + + + + _enabled + 1 + + + preamble + [0x33]*8 + + + _coordinate + (640, 369) + + + _rotation + 180 + + + id + satnogs_upsat_fsk_frame_acquisition_0 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + sync_word + [0x7A, 0x0E] + + + ax_25 + True + + + manchester + False + + + whitening + False + + + + analog_quadrature_demod_cf_0_0 + pfb_arb_resampler_xxx_0 + 0 + 0 + + + digital_clock_recovery_mm_xx_0 + qtgui_time_sink_x_0 + 0 + 0 + + + digital_clock_recovery_mm_xx_0 + satnogs_upsat_fsk_frame_acquisition_0 + 0 + 0 + + + freq_xlating_fir_filter_xxx_0 + analog_quadrature_demod_cf_0_0 + 0 + 0 + + + freq_xlating_fir_filter_xxx_0 + qtgui_freq_sink_x_0 + 0 + 0 + + + freq_xlating_fir_filter_xxx_0 + qtgui_waterfall_sink_x_0 + 0 + 0 + + + osmosdr_source_0 + freq_xlating_fir_filter_xxx_0 + 0 + 0 + + + pfb_arb_resampler_xxx_0 + digital_clock_recovery_mm_xx_0 + 0 + 0 + + + satnogs_upsat_fsk_frame_acquisition_0 + satnogs_multi_format_msg_sink_0 + pdu + in + + + satnogs_upsat_fsk_frame_acquisition_0 + satnogs_multi_format_msg_sink_0_0 + pdu + in + + + satnogs_upsat_fsk_frame_acquisition_0 + satnogs_udp_msg_sink_0 + pdu + in + + diff --git a/apps/flowgraphs/upsat_afsk_transmitter.grc b/apps/flowgraphs/upsat_afsk_transmitter.grc index 9bea6ba..4c93f3c 100644 --- a/apps/flowgraphs/upsat_afsk_transmitter.grc +++ b/apps/flowgraphs/upsat_afsk_transmitter.grc @@ -89,7 +89,7 @@ value - 0.9 + 0.5 _enabled @@ -97,7 +97,7 @@ _coordinate - (760, 9) + (744, 9) gui_hint @@ -195,7 +195,7 @@ value - 1.19e3 + 1.25e3 @@ -335,7 +335,7 @@ is too great and becomes a bottlneck. _coordinate - (1144, 258) + (1264, 180) _rotation @@ -370,7 +370,7 @@ is too great and becomes a bottlneck. const - -atten + atten affinity @@ -409,6 +409,787 @@ is too great and becomes a bottlneck. 1 + + digital_clock_recovery_mm_xx + + alias + + + + comment + + + + affinity + + + + _enabled + 0 + + + _coordinate + (992, 552) + + + _rotation + 180 + + + gain_mu + 0.05 + + + gain_omega + 0.25*0.175*0.175 + + + id + digital_clock_recovery_mm_xx_0 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + mu + 0.5 + + + omega_relative_limit + 0.005 + + + omega + 8.0 + + + type + float + + + + qtgui_time_sink_x + + autoscale + False + + + alias + + + + comment + + + + ctrlpanel + True + + + affinity + + + + entags + True + + + _enabled + 0 + + + _coordinate + (1000, 414) + + + gui_hint + + + + _rotation + 0 + + + grid + False + + + id + qtgui_time_sink_x_0 + + + legend + True + + + alpha1 + 1.0 + + + color1 + "blue" + + + label1 + + + + marker1 + 2 + + + style1 + 1 + + + width1 + 1 + + + alpha10 + 1.0 + + + color10 + "blue" + + + label10 + + + + marker10 + -1 + + + style10 + 1 + + + width10 + 1 + + + alpha2 + 1.0 + + + color2 + "red" + + + label2 + + + + marker2 + -1 + + + style2 + 1 + + + width2 + 1 + + + alpha3 + 1.0 + + + color3 + "green" + + + label3 + + + + marker3 + -1 + + + style3 + 1 + + + width3 + 1 + + + alpha4 + 1.0 + + + color4 + "black" + + + label4 + + + + marker4 + -1 + + + style4 + 1 + + + width4 + 1 + + + alpha5 + 1.0 + + + color5 + "cyan" + + + label5 + + + + marker5 + -1 + + + style5 + 1 + + + width5 + 1 + + + alpha6 + 1.0 + + + color6 + "magenta" + + + label6 + + + + marker6 + -1 + + + style6 + 1 + + + width6 + 1 + + + alpha7 + 1.0 + + + color7 + "yellow" + + + label7 + + + + marker7 + -1 + + + style7 + 1 + + + width7 + 1 + + + alpha8 + 1.0 + + + color8 + "dark red" + + + label8 + + + + marker8 + -1 + + + style8 + 1 + + + width8 + 1 + + + alpha9 + 1.0 + + + color9 + "dark green" + + + label9 + + + + marker9 + -1 + + + style9 + 1 + + + width9 + 1 + + + name + "" + + + nconnections + 1 + + + size + 1024 + + + srate + baud_rate + + + tr_chan + 0 + + + tr_delay + 0 + + + tr_level + 0.0 + + + tr_mode + qtgui.TRIG_MODE_FREE + + + tr_slope + qtgui.TRIG_SLOPE_POS + + + tr_tag + "" + + + type + float + + + update_time + 0.10 + + + ylabel + Amplitude + + + yunit + "" + + + ymax + 1 + + + ymin + -1 + + + + qtgui_time_sink_x + + autoscale + False + + + alias + + + + comment + + + + ctrlpanel + True + + + affinity + + + + entags + True + + + _enabled + 0 + + + _coordinate + (1208, 350) + + + gui_hint + + + + _rotation + 0 + + + grid + False + + + id + qtgui_time_sink_x_0_0 + + + legend + True + + + alpha1 + 1.0 + + + color1 + "blue" + + + label1 + + + + marker1 + 2 + + + style1 + 1 + + + width1 + 1 + + + alpha10 + 1.0 + + + color10 + "blue" + + + label10 + + + + marker10 + -1 + + + style10 + 1 + + + width10 + 1 + + + alpha2 + 1.0 + + + color2 + "red" + + + label2 + + + + marker2 + -1 + + + style2 + 1 + + + width2 + 1 + + + alpha3 + 1.0 + + + color3 + "green" + + + label3 + + + + marker3 + -1 + + + style3 + 1 + + + width3 + 1 + + + alpha4 + 1.0 + + + color4 + "black" + + + label4 + + + + marker4 + -1 + + + style4 + 1 + + + width4 + 1 + + + alpha5 + 1.0 + + + color5 + "cyan" + + + label5 + + + + marker5 + -1 + + + style5 + 1 + + + width5 + 1 + + + alpha6 + 1.0 + + + color6 + "magenta" + + + label6 + + + + marker6 + -1 + + + style6 + 1 + + + width6 + 1 + + + alpha7 + 1.0 + + + color7 + "yellow" + + + label7 + + + + marker7 + -1 + + + style7 + 1 + + + width7 + 1 + + + alpha8 + 1.0 + + + color8 + "dark red" + + + label8 + + + + marker8 + -1 + + + style8 + 1 + + + width8 + 1 + + + alpha9 + 1.0 + + + color9 + "dark green" + + + label9 + + + + marker9 + -1 + + + style9 + 1 + + + width9 + 1 + + + name + "" + + + nconnections + 1 + + + size + 1024 + + + srate + samp_rate_tx + + + tr_chan + 0 + + + tr_delay + 0 + + + tr_level + 0.0 + + + tr_mode + qtgui.TRIG_MODE_FREE + + + tr_slope + qtgui.TRIG_SLOPE_POS + + + tr_tag + "" + + + type + float + + + update_time + 0.10 + + + ylabel + Amplitude + + + yunit + "" + + + ymax + 1 + + + ymin + -1 + + rational_resampler_xxx @@ -468,6 +1249,65 @@ is too great and becomes a bottlneck. fff + + rational_resampler_xxx + + alias + + + + comment + + + + affinity + + + + decim + 5 + + + _enabled + 0 + + + fbw + 0 + + + _coordinate + (1232, 559) + + + _rotation + 180 + + + id + rational_resampler_xxx_0_0 + + + interp + 1 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + taps + + + + type + fff + + satnogs_debug_msg_source @@ -508,7 +1348,7 @@ is too great and becomes a bottlneck. msg - "HELLO" + "HELLO"*4 minoutbuf @@ -519,6 +1359,41 @@ is too great and becomes a bottlneck. True + + satnogs_multi_format_msg_sink + + alias + + + + comment + + + + affinity + + + + _enabled + 0 + + + _coordinate + (424, 452) + + + _rotation + 180 + + + id + satnogs_multi_format_msg_sink_0 + + + format + 0 + + satnogs_udp_msg_source @@ -541,7 +1416,7 @@ similar to produce dynamic payloads. _coordinate - (192, 382) + (136, 366) _rotation @@ -572,6 +1447,69 @@ similar to produce dynamic payloads. 16886 + + satnogs_upsat_fsk_frame_acquisition + + alias + + + + check_crc + False + + + comment + + + + affinity + + + + _enabled + 0 + + + preamble + [0x33]*8 + + + _coordinate + (672, 417) + + + _rotation + 180 + + + id + satnogs_upsat_fsk_frame_acquisition_0 + + + maxoutbuf + 0 + + + minoutbuf + 0 + + + sync_word + [0x7A, 0x0E] + + + ax_25 + True + + + manchester + False + + + whitening + False + + satnogs_upsat_fsk_frame_encoder @@ -665,12 +1603,42 @@ similar to produce dynamic payloads. 0 0 + + blocks_multiply_const_vxx_0 + qtgui_time_sink_x_0_0 + 0 + 0 + + + blocks_multiply_const_vxx_0 + rational_resampler_xxx_0_0 + 0 + 0 + + + digital_clock_recovery_mm_xx_0 + qtgui_time_sink_x_0 + 0 + 0 + + + digital_clock_recovery_mm_xx_0 + satnogs_upsat_fsk_frame_acquisition_0 + 0 + 0 + rational_resampler_xxx_0 blocks_multiply_const_vxx_0 0 0 + + rational_resampler_xxx_0_0 + digital_clock_recovery_mm_xx_0 + 0 + 0 + satnogs_debug_msg_source_0 satnogs_upsat_fsk_frame_encoder_0 @@ -683,6 +1651,12 @@ similar to produce dynamic payloads. msg pdu + + satnogs_upsat_fsk_frame_acquisition_0 + satnogs_multi_format_msg_sink_0 + pdu + in + satnogs_upsat_fsk_frame_encoder_0 rational_resampler_xxx_0