diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
index 9464297..3de9f53 100644
--- a/apps/CMakeLists.txt
+++ b/apps/CMakeLists.txt
@@ -32,5 +32,6 @@ GR_PYTHON_INSTALL(
flowgraphs/satnogs_apt_demod.py
flowgraphs/satnogs_fsk9600_ax25.py
flowgraphs/satnogs_fsk9600_g3ruh_ax25.py
+ flowgraphs/satnogs_afsk1200_ax25.py
DESTINATION bin
)
diff --git a/apps/flowgraphs/afsk1200_ax25.grc b/apps/flowgraphs/afsk1200_ax25.grc
new file mode 100644
index 0000000..0006626
--- /dev/null
+++ b/apps/flowgraphs/afsk1200_ax25.grc
@@ -0,0 +1,3666 @@
+
+
+
+ Thu May 5 00:22:45 2016
+
+ options
+
+ author
+ Manolis Surligas (surligas@gmail.com), Vardakis Giorgos (vardakis.grg@gmail.com)
+
+
+ window_size
+ 3000, 3000
+
+
+ category
+ Custom
+
+
+ comment
+
+
+
+ description
+ AFSK1200 AX.25 decoder
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (8, 8)
+
+
+ _rotation
+ 0
+
+
+ generate_options
+ no_gui
+
+
+ hier_block_src_path
+ .:
+
+
+ id
+ satnogs_afsk1200_ax25
+
+
+ max_nouts
+ 0
+
+
+ qt_qss_theme
+
+
+
+ realtime_scheduling
+
+
+
+ run_command
+ {python} -u {filename}
+
+
+ run_options
+ run
+
+
+ run
+ True
+
+
+ thread_safe_setters
+
+
+
+ title
+ AFSK1200 AX.25 decoder
+
+
+
+ variable
+
+ comment
+ Decimation factor
+for the RX after the
+SDR received samples
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (550, 690)
+
+
+ _rotation
+ 0
+
+
+ id
+ audio_gain
+
+
+ value
+ satnogs.fm_demod_settings[rx_sdr_device]['audio_gain']
+
+
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (686, 873)
+
+
+ _rotation
+ 0
+
+
+ id
+ audio_samp_rate
+
+
+ value
+ 48000
+
+
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (111, 769)
+
+
+ _rotation
+ 0
+
+
+ id
+ baud_rate
+
+
+ value
+ 1200
+
+
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (31, 769)
+
+
+ _rotation
+ 0
+
+
+ id
+ deviation
+
+
+ value
+ 5000
+
+
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (327, 1073)
+
+
+ _rotation
+ 0
+
+
+ id
+ filter_rate
+
+
+ value
+ 250000
+
+
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (343, 769)
+
+
+ _rotation
+ 0
+
+
+ id
+ max_modulation_freq
+
+
+ value
+ 3000
+
+
+
+ variable
+
+ comment
+ SDR device
+RX sampling rate
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (574, 873)
+
+
+ _rotation
+ 0
+
+
+ id
+ samp_rate_rx
+
+
+ value
+ satnogs.hw_rx_settings[rx_sdr_device]['samp_rate']
+
+
+
+ variable_low_pass_filter_taps
+
+ beta
+ 6.76
+
+
+ comment
+
+
+
+ cutoff_freq
+ 100e3
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (31, 542)
+
+
+ _rotation
+ 0
+
+
+ gain
+ 12.0
+
+
+ id
+ taps
+
+
+ samp_rate
+ samp_rate_rx
+
+
+ width
+ 60000
+
+
+ win
+ firdes.WIN_HAMMING
+
+
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (167, 1073)
+
+
+ _rotation
+ 0
+
+
+ id
+ xlate_filter_taps
+
+
+ value
+ firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)
+
+
+
+ analog_quadrature_demod_cf
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (1364, 578)
+
+
+ _rotation
+ 0
+
+
+ gain
+ ((audio_samp_rate/10) / baud_rate)/(math.pi*1)
+
+
+ id
+ analog_quadrature_demod_cf_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+
+ analog_quadrature_demod_cf
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (574, 394)
+
+
+ _rotation
+ 180
+
+
+ gain
+ (2*math.pi*deviation)/audio_samp_rate
+
+
+ id
+ analog_quadrature_demod_cf_0_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+
+ analog_sig_source_x
+
+ amp
+ 1
+
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ freq
+ -(1200 + 2200) / 2
+
+
+ _coordinate
+ (750, 646)
+
+
+ _rotation
+ 0
+
+
+ id
+ analog_sig_source_x_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ offset
+ 0
+
+
+ type
+ complex
+
+
+ samp_rate
+ audio_samp_rate
+
+
+ waveform
+ analog.GR_COS_WAVE
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (263, 865)
+
+
+ _rotation
+ 0
+
+
+ id
+ antenna
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ string
+
+
+ value
+ satnogs.not_set_antenna
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (175, 865)
+
+
+ _rotation
+ 0
+
+
+ id
+ bb_gain
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ eng_float
+
+
+ value
+ satnogs.not_set_rx_bb_gain
+
+
+
+ rational_resampler_xxx
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ decim
+ int(samp_rate_rx / (int(samp_rate_rx/filter_rate)))
+
+
+ _enabled
+ True
+
+
+ fbw
+ 0
+
+
+ _coordinate
+ (1125, 271)
+
+
+ _rotation
+ 0
+
+
+ id
+ blks2_rational_resampler_xxx_1
+
+
+ interp
+ 48000
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ taps
+ []
+
+
+ type
+ ccc
+
+
+
+ blocks_float_to_complex
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (686, 550)
+
+
+ _rotation
+ 0
+
+
+ id
+ blocks_float_to_complex_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ vlen
+ 1
+
+
+
+ blocks_multiply_xx
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (957, 566)
+
+
+ _rotation
+ 0
+
+
+ id
+ blocks_multiply_xx_0
+
+
+ type
+ complex
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ num_inputs
+ 2
+
+
+ vlen
+ 1
+
+
+
+ dc_blocker_xx
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (534, 538)
+
+
+ _rotation
+ 0
+
+
+ id
+ dc_blocker_xx_0
+
+
+ length
+ 1024
+
+
+ long_form
+ True
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ type
+ ff
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (175, 586)
+
+
+ _rotation
+ 0
+
+
+ id
+ decoded_data_file_path
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ string
+
+
+ value
+ /tmp/.satnogs/data/data
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (470, 690)
+
+
+ _rotation
+ 0
+
+
+ id
+ dev_args
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ string
+
+
+ value
+ satnogs.not_set_dev_args
+
+
+
+ digital_binary_slicer_fb
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (1771, 582)
+
+
+ _rotation
+ 0
+
+
+ id
+ digital_binary_slicer_fb_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+
+ digital_clock_recovery_mm_xx
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (1563, 550)
+
+
+ _rotation
+ 0
+
+
+ gain_mu
+ 0.175
+
+
+ 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
+ (48e3/10)/baud_rate
+
+
+ type
+ float
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (31, 690)
+
+
+ _rotation
+ 0
+
+
+ id
+ doppler_correction_per_sec
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ intx
+
+
+ value
+ 1000
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (343, 865)
+
+
+ _rotation
+ 0
+
+
+ id
+ enable_iq_dump
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ intx
+
+
+ value
+ 0
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (167, 945)
+
+
+ _rotation
+ 180
+
+
+ id
+ file_path
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ string
+
+
+ value
+ test.wav
+
+
+
+ freq_xlating_fir_filter_xxx
+
+ alias
+
+
+
+ center_freq
+ lo_offset
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ decim
+ int(samp_rate_rx/filter_rate)
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (680, 268)
+
+
+ _rotation
+ 0
+
+
+ id
+ freq_xlating_fir_filter_xxx_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ samp_rate
+ samp_rate_rx
+
+
+ taps
+ xlate_filter_taps
+
+
+ type
+ ccc
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (95, 865)
+
+
+ _rotation
+ 0
+
+
+ id
+ if_gain
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ eng_float
+
+
+ value
+ satnogs.not_set_rx_if_gain
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (470, 865)
+
+
+ _rotation
+ 0
+
+
+ id
+ iq_file_path
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ string
+
+
+ value
+ /tmp/iq.dat
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+ To avoid the SDR carrier at the DC
+we shift the LO a little further
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (263, 945)
+
+
+ _rotation
+ 0
+
+
+ id
+ lo_offset
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ eng_float
+
+
+ value
+ 100e3
+
+
+
+ low_pass_filter
+
+ beta
+ 6.76
+
+
+ alias
+
+
+
+ comment
+ Using the Carson bandwidth rule for filter width:
+width = 2*(deviation + max_modulation_freq).
+For the majority of FM transmissions we can expect
+max_modulation_freq = 3000
+
+
+ affinity
+
+
+
+ cutoff_freq
+ deviation+max_modulation_freq
+
+
+ decim
+ 1
+
+
+ _enabled
+ True
+
+
+ type
+ fir_filter_ccf
+
+
+ _coordinate
+ (861, 351)
+
+
+ _rotation
+ 180
+
+
+ gain
+ 1
+
+
+ id
+ low_pass_filter_0
+
+
+ interp
+ 1
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ samp_rate
+ audio_samp_rate
+
+
+ width
+ 3000
+
+
+ win
+ firdes.WIN_HAMMING
+
+
+
+ low_pass_filter
+
+ beta
+ 6.76
+
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ cutoff_freq
+ (mark_frequency - space_frequency)/2.0
+
+
+ decim
+ 10
+
+
+ _enabled
+ True
+
+
+ type
+ fir_filter_ccf
+
+
+ _coordinate
+ (1148, 534)
+
+
+ _rotation
+ 0
+
+
+ gain
+ 10
+
+
+ id
+ low_pass_filter_1
+
+
+ interp
+ 1
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ samp_rate
+ audio_samp_rate
+
+
+ width
+ 1000
+
+
+ win
+ firdes.WIN_HAMMING
+
+
+
+ parameter
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (23, 1113)
+
+
+ _rotation
+ 0
+
+
+ id
+ mark_frequency
+
+
+ label
+
+
+
+ short_id
+
+
+
+ type
+ eng_float
+
+
+ value
+ 2200.0
+
+
+
+ osmosdr_source
+
+ alias
+
+
+
+ ant0
+ satnogs.handle_rx_antenna(rx_sdr_device, antenna)
+
+
+ bb_gain0
+ satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain)
+
+
+ bw0
+ samp_rate_rx
+
+
+ dc_offset_mode0
+ 2
+
+
+ corr0
+ ppm
+
+
+ freq0
+ rx_freq - lo_offset
+
+
+ gain_mode0
+ False
+
+
+ if_gain0
+ satnogs.handle_rx_if_gain(rx_sdr_device, if_gain)
+
+
+ iq_balance_mode0
+ 0
+
+
+ gain0
+ satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain)
+
+
+ ant10
+
+
+
+ bb_gain10
+ 20
+
+
+ bw10
+ 0
+
+
+ dc_offset_mode10
+ 0
+
+
+ corr10
+ 0
+
+
+ freq10
+ 100e6
+
+
+ gain_mode10
+ False
+
+
+ if_gain10
+ 20
+
+
+ iq_balance_mode10
+ 0
+
+
+ gain10
+ 10
+
+
+ ant11
+
+
+
+ bb_gain11
+ 20
+
+
+ bw11
+ 0
+
+
+ dc_offset_mode11
+ 0
+
+
+ corr11
+ 0
+
+
+ freq11
+ 100e6
+
+
+ gain_mode11
+ False
+
+
+ if_gain11
+ 20
+
+
+ iq_balance_mode11
+ 0
+
+
+ gain11
+ 10
+
+
+ ant12
+
+
+
+ bb_gain12
+ 20
+
+
+ bw12
+ 0
+
+
+ dc_offset_mode12
+ 0
+
+
+ corr12
+ 0
+
+
+ freq12
+ 100e6
+
+
+ gain_mode12
+ False
+
+
+ if_gain12
+ 20
+
+
+ iq_balance_mode12
+ 0
+
+
+ gain12
+ 10
+
+
+ ant13
+
+
+
+ bb_gain13
+ 20
+
+
+ bw13
+ 0
+
+
+ dc_offset_mode13
+ 0
+
+
+ corr13
+ 0
+
+
+ freq13
+ 100e6
+
+
+ gain_mode13
+ False
+
+
+ if_gain13
+ 20
+
+
+ iq_balance_mode13
+ 0
+
+
+ gain13
+ 10
+
+
+ ant14
+
+
+
+ bb_gain14
+ 20
+
+
+ bw14
+ 0
+
+
+ dc_offset_mode14
+ 0
+
+
+ corr14
+ 0
+
+
+ freq14
+ 100e6
+
+
+ gain_mode14
+ False
+
+
+ if_gain14
+ 20
+
+
+ iq_balance_mode14
+ 0
+
+
+ gain14
+ 10
+
+
+ ant15
+
+
+
+ bb_gain15
+ 20
+
+
+ bw15
+ 0
+
+
+ dc_offset_mode15
+ 0
+
+
+ corr15
+ 0
+
+
+ freq15
+ 100e6
+
+
+ gain_mode15
+ False
+
+
+ if_gain15
+ 20
+
+
+ iq_balance_mode15
+ 0
+
+
+ gain15
+ 10
+
+
+ ant16
+
+
+
+ bb_gain16
+ 20
+
+
+ bw16
+ 0
+
+
+ dc_offset_mode16
+ 0
+
+
+ corr16
+ 0
+
+
+ freq16
+ 100e6
+
+
+ gain_mode16
+ False
+
+
+ if_gain16
+ 20
+
+
+ iq_balance_mode16
+ 0
+
+
+ gain16
+ 10
+
+
+ ant17
+
+
+
+ bb_gain17
+ 20
+
+
+ bw17
+ 0
+
+
+ dc_offset_mode17
+ 0
+
+
+ corr17
+ 0
+
+
+ freq17
+ 100e6
+
+
+ gain_mode17
+ False
+
+
+ if_gain17
+ 20
+
+
+ iq_balance_mode17
+ 0
+
+
+ gain17
+ 10
+
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+ 0
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+ gain9
+ 10
+
+
+ comment
+
+
+
+ affinity
+
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+ args
+ satnogs.handle_rx_dev_args(rx_sdr_device, dev_args)
+
+
+ _enabled
+ 1
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+ (15, 319)
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+ clock_source5
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+ clock_source7
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+ time_source7
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+ 0
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+ 1
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+ 1
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+
+ type
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+
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+ samp_rate_rx
+
+
+ sync
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+
+
+
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+ comment
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+ True
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+ (470, 945)
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+ True
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+ (303, 690)
+
+
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+ True
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+ (191, 690)
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+
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+ 0
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+
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+
+
+
+ short_id
+
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+
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+
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+ 1
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+
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+
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+ True
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+ False
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+
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+ (1563, 662)
+
+
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+ 180
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+
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+
+
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+
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+ 1024
+
+
+ minoutbuf
+ 0
+
+
+ promisc
+ True
+
+
+ addr
+ 'GND'
+
+
+ ssid
+ 0
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+
+
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+
+ alias
+
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+ comment
+
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+ affinity
+
+
+
+ _enabled
+ True
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+
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+ (352, 276)
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+
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+
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+
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+
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+ target_freq
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+
+ satnogs_frame_file_sink
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+
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+
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+
+
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+ scale
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+
+ status
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+
+
+ satnogs_ogg_encoder
+
+ alias
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+
+
+ comment
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+
+
+ affinity
+
+
+
+ _enabled
+ True
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+
+ filename
+ file_path
+
+
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+ (630, 99)
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+ 0
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+
+ id
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+
+
+ quality
+ 1.0
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+
+ samp_rate
+ audio_samp_rate
+
+
+
+ satnogs_tcp_rigctl_msg_source
+
+ alias
+
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+
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+
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+
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+
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+ 1
+
+
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+ (16, 204)
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+ 0
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+
+
+ addr
+ "127.0.0.1"
+
+
+ mtu
+ 1500
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+
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+ 0
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+
+ minoutbuf
+ 0
+
+
+ mode
+ False
+
+
+ port
+ rigctl_port
+
+
+ interval
+ 1000
+
+
+
+ satnogs_waterfall_sink
+
+ alias
+
+
+
+ center_freq
+ 0.0
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ fft_size
+ 1024
+
+
+ filename
+ waterfall_file_path
+
+
+ _coordinate
+ (1486, 255)
+
+
+ _rotation
+ 0
+
+
+ id
+ satnogs_waterfall_sink_0
+
+
+ mode
+ 1
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+ 10
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+ audio_samp_rate
+
+
+
+ parameter
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+ comment
+
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+ True
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+ (23, 1033)
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+
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+ comment
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+ _enabled
+ True
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+ (23, 945)
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+
+ _rotation
+ 0
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+ id
+ waterfall_file_path
+
+
+ label
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+
+
+ short_id
+
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+
+ type
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+
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+ value
+ /tmp/waterfall.dat
+
+
+
+ analog_quadrature_demod_cf_0
+ digital_clock_recovery_mm_xx_0
+ 0
+ 0
+
+
+ analog_quadrature_demod_cf_0_0
+ dc_blocker_xx_0
+ 0
+ 0
+
+
+ analog_quadrature_demod_cf_0_0
+ satnogs_ogg_encoder_0
+ 0
+ 0
+
+
+ analog_sig_source_x_0
+ blocks_multiply_xx_0
+ 0
+ 1
+
+
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+ low_pass_filter_0
+ 0
+ 0
+
+
+ blks2_rational_resampler_xxx_1
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+ 0
+ 0
+
+
+ blks2_rational_resampler_xxx_1
+ satnogs_waterfall_sink_0
+ 0
+ 0
+
+
+ blocks_float_to_complex_0
+ blocks_multiply_xx_0
+ 0
+ 0
+
+
+ blocks_multiply_xx_0
+ low_pass_filter_1
+ 0
+ 0
+
+
+ dc_blocker_xx_0
+ blocks_float_to_complex_0
+ 0
+ 0
+
+
+ digital_binary_slicer_fb_0
+ satnogs_ax25_decoder_bm_0
+ 0
+ 0
+
+
+ digital_clock_recovery_mm_xx_0
+ digital_binary_slicer_fb_0
+ 0
+ 0
+
+
+ freq_xlating_fir_filter_xxx_0
+ blks2_rational_resampler_xxx_1
+ 0
+ 0
+
+
+ low_pass_filter_0
+ analog_quadrature_demod_cf_0_0
+ 0
+ 0
+
+
+ low_pass_filter_1
+ analog_quadrature_demod_cf_0
+ 0
+ 0
+
+
+ osmosdr_source_0
+ satnogs_coarse_doppler_correction_cc_0
+ 0
+ 0
+
+
+ satnogs_ax25_decoder_bm_0
+ satnogs_frame_file_sink_0_1_0
+ pdu
+ frame
+
+
+ satnogs_coarse_doppler_correction_cc_0
+ freq_xlating_fir_filter_xxx_0
+ 0
+ 0
+
+
+ satnogs_tcp_rigctl_msg_source_0
+ satnogs_coarse_doppler_correction_cc_0
+ freq
+ freq
+
+
diff --git a/apps/flowgraphs/satnogs_afsk1200_ax25.py b/apps/flowgraphs/satnogs_afsk1200_ax25.py
new file mode 100755
index 0000000..dc1c71b
--- /dev/null
+++ b/apps/flowgraphs/satnogs_afsk1200_ax25.py
@@ -0,0 +1,398 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+##################################################
+# GNU Radio Python Flow Graph
+# Title: AFSK1200 AX.25 decoder
+# Author: Manolis Surligas (surligas@gmail.com), Vardakis Giorgos (vardakis.grg@gmail.com)
+# Description: AFSK1200 AX.25 decoder
+# Generated: Sun Nov 26 22:43:03 2017
+##################################################
+
+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 optparse import OptionParser
+import math
+import osmosdr
+import satnogs
+import time
+
+
+class satnogs_afsk1200_ax25(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=1000, enable_iq_dump=0, file_path='test.wav', if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, mark_frequency=2200.0, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=100e6, rx_sdr_device='usrpb200', space_frequency=1200.0, waterfall_file_path='/tmp/waterfall.dat'):
+ gr.top_block.__init__(self, "AFSK1200 AX.25 decoder ")
+
+ ##################################################
+ # Parameters
+ ##################################################
+ self.antenna = antenna
+ self.bb_gain = bb_gain
+ self.decoded_data_file_path = decoded_data_file_path
+ self.dev_args = dev_args
+ self.doppler_correction_per_sec = doppler_correction_per_sec
+ self.enable_iq_dump = enable_iq_dump
+ self.file_path = file_path
+ self.if_gain = if_gain
+ self.iq_file_path = iq_file_path
+ self.lo_offset = lo_offset
+ self.mark_frequency = mark_frequency
+ self.ppm = ppm
+ self.rf_gain = rf_gain
+ self.rigctl_port = rigctl_port
+ self.rx_freq = rx_freq
+ self.rx_sdr_device = rx_sdr_device
+ self.space_frequency = space_frequency
+ 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.baud_rate = baud_rate = 1200
+ self.audio_samp_rate = audio_samp_rate = 48000
+ self.audio_gain = audio_gain = satnogs.fm_demod_settings[rx_sdr_device]['audio_gain']
+
+ ##################################################
+ # 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, 1500)
+ self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(file_path, audio_samp_rate, 1.0)
+ self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, '/tmp/iq.bin', False, enable_iq_dump)
+ self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink('/tmp/afsk1200_crc_ok', 1)
+ self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(rx_freq, samp_rate_rx)
+ self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm('GND', 0, True, False, 1024, 1)
+ 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_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)
+ self.osmosdr_source_0.set_iq_balance_mode(0, 0)
+ self.osmosdr_source_0.set_gain_mode(False, 0)
+ self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
+ 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.low_pass_filter_1 = filter.fir_filter_ccf(10, firdes.low_pass(
+ 10, audio_samp_rate, (mark_frequency - space_frequency)/2.0, 1000, 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 = digital.clock_recovery_mm_ff((48e3/10)/baud_rate, 0.25*0.175*0.175, 0.5, 0.175, 0.005)
+ self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
+ self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
+ self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
+ self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
+ self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc(
+ interpolation=48000,
+ decimation=int(samp_rate_rx / (int(samp_rate_rx/filter_rate))),
+ taps=None,
+ fractional_bw=None,
+ )
+ self.analog_sig_source_x_0 = analog.sig_source_c(audio_samp_rate, analog.GR_COS_WAVE, -(1200 + 2200) / 2, 1, 0)
+ self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf((2*math.pi*deviation)/audio_samp_rate)
+ self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(((audio_samp_rate/10) / baud_rate)/(math.pi*1))
+
+ ##################################################
+ # Connections
+ ##################################################
+ self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_frame_file_sink_0_1_0, 'frame'))
+ 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.digital_clock_recovery_mm_xx_0, 0))
+ self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.dc_blocker_xx_0, 0))
+ self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.satnogs_ogg_encoder_0, 0))
+ self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
+ 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.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0, 0))
+ self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_1, 0))
+ self.connect((self.dc_blocker_xx_0, 0), (self.blocks_float_to_complex_0, 0))
+ self.connect((self.digital_binary_slicer_fb_0, 0), (self.satnogs_ax25_decoder_bm_0, 0))
+ self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_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, 0))
+ self.connect((self.low_pass_filter_1, 0), (self.analog_quadrature_demod_cf_0, 0))
+ self.connect((self.osmosdr_source_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0))
+ self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
+
+ def get_antenna(self):
+ return self.antenna
+
+ def set_antenna(self, antenna):
+ self.antenna = antenna
+ self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
+
+ def get_bb_gain(self):
+ return self.bb_gain
+
+ def set_bb_gain(self, bb_gain):
+ self.bb_gain = bb_gain
+ self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0)
+
+ def get_decoded_data_file_path(self):
+ return self.decoded_data_file_path
+
+ def set_decoded_data_file_path(self, decoded_data_file_path):
+ self.decoded_data_file_path = decoded_data_file_path
+
+ def get_dev_args(self):
+ return self.dev_args
+
+ def set_dev_args(self, dev_args):
+ self.dev_args = dev_args
+
+ def get_doppler_correction_per_sec(self):
+ return self.doppler_correction_per_sec
+
+ def set_doppler_correction_per_sec(self, doppler_correction_per_sec):
+ self.doppler_correction_per_sec = doppler_correction_per_sec
+
+ def get_enable_iq_dump(self):
+ return self.enable_iq_dump
+
+ def set_enable_iq_dump(self, enable_iq_dump):
+ self.enable_iq_dump = enable_iq_dump
+
+ def get_file_path(self):
+ return self.file_path
+
+ def set_file_path(self, file_path):
+ self.file_path = file_path
+
+ def get_if_gain(self):
+ return self.if_gain
+
+ def set_if_gain(self, if_gain):
+ self.if_gain = if_gain
+ self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0)
+
+ def get_iq_file_path(self):
+ return self.iq_file_path
+
+ def set_iq_file_path(self, iq_file_path):
+ self.iq_file_path = iq_file_path
+
+ def get_lo_offset(self):
+ return self.lo_offset
+
+ 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)
+
+ def get_mark_frequency(self):
+ return self.mark_frequency
+
+ def set_mark_frequency(self, mark_frequency):
+ self.mark_frequency = mark_frequency
+ self.low_pass_filter_1.set_taps(firdes.low_pass(10, self.audio_samp_rate, (self.mark_frequency - self.space_frequency)/2.0, 1000, firdes.WIN_HAMMING, 6.76))
+
+ def get_ppm(self):
+ return self.ppm
+
+ def set_ppm(self, ppm):
+ self.ppm = ppm
+ self.osmosdr_source_0.set_freq_corr(self.ppm, 0)
+
+ def get_rf_gain(self):
+ return self.rf_gain
+
+ def set_rf_gain(self, rf_gain):
+ self.rf_gain = rf_gain
+ self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0)
+
+ def get_rigctl_port(self):
+ return self.rigctl_port
+
+ def set_rigctl_port(self, rigctl_port):
+ self.rigctl_port = rigctl_port
+
+ def get_rx_freq(self):
+ return self.rx_freq
+
+ def set_rx_freq(self, rx_freq):
+ self.rx_freq = rx_freq
+ self.satnogs_coarse_doppler_correction_cc_0.set_new_freq_locked(self.rx_freq)
+ self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0)
+
+ def get_rx_sdr_device(self):
+ return self.rx_sdr_device
+
+ 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.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.set_audio_gain(satnogs.fm_demod_settings[self.rx_sdr_device]['audio_gain'])
+
+ def get_space_frequency(self):
+ return self.space_frequency
+
+ def set_space_frequency(self, space_frequency):
+ self.space_frequency = space_frequency
+ self.low_pass_filter_1.set_taps(firdes.low_pass(10, self.audio_samp_rate, (self.mark_frequency - self.space_frequency)/2.0, 1000, firdes.WIN_HAMMING, 6.76))
+
+ def get_waterfall_file_path(self):
+ return self.waterfall_file_path
+
+ 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
+
+ def set_max_modulation_freq(self, max_modulation_freq):
+ 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
+
+ def set_deviation(self, deviation):
+ self.deviation = deviation
+ 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.analog_quadrature_demod_cf_0_0.set_gain((2*math.pi*self.deviation)/self.audio_samp_rate)
+
+ def get_baud_rate(self):
+ return self.baud_rate
+
+ def set_baud_rate(self, baud_rate):
+ self.baud_rate = baud_rate
+ self.digital_clock_recovery_mm_xx_0.set_omega((48e3/10)/self.baud_rate)
+ self.analog_quadrature_demod_cf_0.set_gain(((self.audio_samp_rate/10) / self.baud_rate)/(math.pi*1))
+
+ def get_audio_samp_rate(self):
+ return self.audio_samp_rate
+
+ 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(10, self.audio_samp_rate, (self.mark_frequency - self.space_frequency)/2.0, 1000, 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.analog_sig_source_x_0.set_sampling_freq(self.audio_samp_rate)
+ self.analog_quadrature_demod_cf_0_0.set_gain((2*math.pi*self.deviation)/self.audio_samp_rate)
+ self.analog_quadrature_demod_cf_0.set_gain(((self.audio_samp_rate/10) / self.baud_rate)/(math.pi*1))
+
+ def get_audio_gain(self):
+ return self.audio_gain
+
+ def set_audio_gain(self, audio_gain):
+ self.audio_gain = audio_gain
+
+
+def argument_parser():
+ description = 'AFSK1200 AX.25 decoder'
+ parser = OptionParser(usage="%prog: [options]", option_class=eng_option, description=description)
+ parser.add_option(
+ "", "--antenna", dest="antenna", type="string", default=satnogs.not_set_antenna,
+ help="Set antenna [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]")
+ parser.add_option(
+ "", "--decoded-data-file-path", dest="decoded_data_file_path", type="string", default='/tmp/.satnogs/data/data',
+ help="Set decoded_data_file_path [default=%default]")
+ parser.add_option(
+ "", "--dev-args", dest="dev_args", type="string", default=satnogs.not_set_dev_args,
+ help="Set dev_args [default=%default]")
+ parser.add_option(
+ "", "--doppler-correction-per-sec", dest="doppler_correction_per_sec", type="intx", default=1000,
+ help="Set doppler_correction_per_sec [default=%default]")
+ parser.add_option(
+ "", "--enable-iq-dump", dest="enable_iq_dump", type="intx", default=0,
+ help="Set enable_iq_dump [default=%default]")
+ parser.add_option(
+ "", "--file-path", dest="file_path", type="string", default='test.wav',
+ help="Set file_path [default=%default]")
+ parser.add_option(
+ "", "--if-gain", dest="if_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_if_gain),
+ help="Set if_gain [default=%default]")
+ parser.add_option(
+ "", "--iq-file-path", dest="iq_file_path", type="string", default='/tmp/iq.dat',
+ help="Set iq_file_path [default=%default]")
+ parser.add_option(
+ "", "--lo-offset", dest="lo_offset", type="eng_float", default=eng_notation.num_to_str(100e3),
+ help="Set lo_offset [default=%default]")
+ parser.add_option(
+ "", "--mark-frequency", dest="mark_frequency", type="eng_float", default=eng_notation.num_to_str(2200.0),
+ help="Set mark_frequency [default=%default]")
+ parser.add_option(
+ "", "--ppm", dest="ppm", type="intx", default=0,
+ help="Set ppm [default=%default]")
+ parser.add_option(
+ "", "--rf-gain", dest="rf_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_rf_gain),
+ help="Set rf_gain [default=%default]")
+ parser.add_option(
+ "", "--rigctl-port", dest="rigctl_port", type="intx", default=4532,
+ help="Set rigctl_port [default=%default]")
+ parser.add_option(
+ "", "--rx-freq", dest="rx_freq", type="eng_float", default=eng_notation.num_to_str(100e6),
+ help="Set rx_freq [default=%default]")
+ parser.add_option(
+ "", "--rx-sdr-device", dest="rx_sdr_device", type="string", default='usrpb200',
+ help="Set rx_sdr_device [default=%default]")
+ parser.add_option(
+ "", "--space-frequency", dest="space_frequency", type="eng_float", default=eng_notation.num_to_str(1200.0),
+ help="Set space_frequency [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]")
+ return parser
+
+
+def main(top_block_cls=satnogs_afsk1200_ax25, 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, mark_frequency=options.mark_frequency, 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, space_frequency=options.space_frequency, waterfall_file_path=options.waterfall_file_path)
+ tb.start()
+ tb.wait()
+
+
+if __name__ == '__main__':
+ main()
diff --git a/examples/afsk1200_example.grc b/examples/afsk1200_example.grc
new file mode 100644
index 0000000..209cac4
--- /dev/null
+++ b/examples/afsk1200_example.grc
@@ -0,0 +1,1278 @@
+
+
+
+ Thu Nov 2 16:30:33 2017
+
+ options
+
+ author
+ Manolis Surligas (surligas@gmail.com)
+
+
+ window_size
+
+
+
+ category
+ [GRC Hier Blocks]
+
+
+ comment
+
+
+
+ description
+ An AFSK1200 decoder
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (8, 8)
+
+
+ _rotation
+ 0
+
+
+ generate_options
+ qt_gui
+
+
+ hier_block_src_path
+ .:
+
+
+ id
+ afsk1200_example
+
+
+ max_nouts
+ 0
+
+
+ qt_qss_theme
+
+
+
+ realtime_scheduling
+
+
+
+ run_command
+ {python} -u {filename}
+
+
+ run_options
+ prompt
+
+
+ run
+ True
+
+
+ thread_safe_setters
+
+
+
+ title
+
+
+
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (8, 160)
+
+
+ _rotation
+ 0
+
+
+ id
+ samp_rate
+
+
+ value
+ 48000
+
+
+
+ analog_quadrature_demod_cf
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (813, 179)
+
+
+ _rotation
+ 0
+
+
+ gain
+ 1.0
+
+
+ id
+ analog_quadrature_demod_cf_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+
+ analog_sig_source_x
+
+ amp
+ 1
+
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ freq
+ -(1200 + 2200) / 2
+
+
+ _coordinate
+ (191, 167)
+
+
+ _rotation
+ 0
+
+
+ id
+ analog_sig_source_x_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ offset
+ 0
+
+
+ type
+ complex
+
+
+ samp_rate
+ samp_rate
+
+
+ waveform
+ analog.GR_COS_WAVE
+
+
+
+ blocks_float_to_complex
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (686, 47)
+
+
+ _rotation
+ 0
+
+
+ id
+ blocks_float_to_complex_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ vlen
+ 1
+
+
+
+ blocks_multiply_xx
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (414, 167)
+
+
+ _rotation
+ 0
+
+
+ id
+ blocks_multiply_xx_0
+
+
+ type
+ complex
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ num_inputs
+ 2
+
+
+ vlen
+ 1
+
+
+
+ blocks_throttle
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (494, 43)
+
+
+ _rotation
+ 0
+
+
+ id
+ blocks_throttle_0
+
+
+ ignoretag
+ True
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ samples_per_second
+ samp_rate*100
+
+
+ type
+ float
+
+
+ vlen
+ 1
+
+
+
+ dc_blocker_xx
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (869, 299)
+
+
+ _rotation
+ 180
+
+
+ id
+ dc_blocker_xx_0
+
+
+ length
+ 1024
+
+
+ long_form
+ True
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ type
+ ff
+
+
+
+ digital_binary_slicer_fb
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (398, 311)
+
+
+ _rotation
+ 180
+
+
+ id
+ digital_binary_slicer_fb_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+
+ digital_clock_recovery_mm_xx
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (638, 279)
+
+
+ _rotation
+ 180
+
+
+ gain_mu
+ 0.175
+
+
+ gain_omega
+ 0.25*0.175*0.175
+
+
+ id
+ digital_clock_recovery_mm_xx_1
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ mu
+ 0.5
+
+
+ omega_relative_limit
+ 0.005
+
+
+ omega
+ 4
+
+
+ type
+ float
+
+
+
+ digital_costas_loop_cc
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (885, 63)
+
+
+ _rotation
+ 0
+
+
+ id
+ digital_costas_loop_cc_0
+
+
+ w
+ 2*math.pi/100.0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ order
+ 2
+
+
+ use_snr
+ False
+
+
+
+ import
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (7, 227)
+
+
+ _rotation
+ 0
+
+
+ id
+ import_0
+
+
+ import
+ import math
+
+
+
+ low_pass_filter
+
+ beta
+ 6.76
+
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ cutoff_freq
+ 1000/2.0
+
+
+ decim
+ 10
+
+
+ _enabled
+ True
+
+
+ type
+ fir_filter_ccf
+
+
+ _coordinate
+ (590, 135)
+
+
+ _rotation
+ 0
+
+
+ gain
+ 1
+
+
+ id
+ low_pass_filter_0
+
+
+ interp
+ 1
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ samp_rate
+ samp_rate
+
+
+ width
+ 1000
+
+
+ win
+ firdes.WIN_HAMMING
+
+
+
+ qtgui_time_sink_x
+
+ autoscale
+ False
+
+
+ axislabels
+ True
+
+
+ alias
+
+
+
+ comment
+
+
+
+ ctrlpanel
+ True
+
+
+ affinity
+
+
+
+ entags
+ True
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (1077, 163)
+
+
+ gui_hint
+
+
+
+ _rotation
+ 0
+
+
+ grid
+ False
+
+
+ id
+ qtgui_time_sink_x_0
+
+
+ legend
+ True
+
+
+ alpha1
+ 1.0
+
+
+ color1
+ "blue"
+
+
+ label1
+
+
+
+ marker1
+ -1
+
+
+ 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
+ 8192
+
+
+ srate
+ samp_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
+
+
+
+ satnogs_ax25_decoder_bm
+
+ n_sync_flags
+ 1
+
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ descrambling
+ False
+
+
+ _coordinate
+ (159, 406)
+
+
+ _rotation
+ 0
+
+
+ id
+ satnogs_ax25_decoder_bm_0
+
+
+ maxoutbuf
+ 0
+
+
+ max_frame_len
+ 256
+
+
+ minoutbuf
+ 0
+
+
+ promisc
+ True
+
+
+ addr
+ 'GND'
+
+
+ ssid
+ 0
+
+
+
+ satnogs_multi_format_msg_sink
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ filename
+
+
+
+ _coordinate
+ (718, 410)
+
+
+ _rotation
+ 0
+
+
+ id
+ satnogs_multi_format_msg_sink_0
+
+
+ outstream
+ True
+
+
+ timestamp
+ True
+
+
+ format
+ 0
+
+
+
+ satnogs_ogg_source
+
+ alias
+
+
+
+ channels
+ 1
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ filename
+ /home/surligas/Dropbox/job/satnogs/afsk1200/satnogs_24717_2017-10-28T19-14-22.ogg
+
+
+ _coordinate
+ (223, 35)
+
+
+ _rotation
+ 0
+
+
+ id
+ satnogs_ogg_source_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ repeat
+ False
+
+
+
+ analog_quadrature_demod_cf_0
+ dc_blocker_xx_0
+ 0
+ 0
+
+
+ analog_quadrature_demod_cf_0
+ qtgui_time_sink_x_0
+ 0
+ 0
+
+
+ analog_sig_source_x_0
+ blocks_multiply_xx_0
+ 0
+ 1
+
+
+ blocks_float_to_complex_0
+ digital_costas_loop_cc_0
+ 0
+ 0
+
+
+ blocks_multiply_xx_0
+ low_pass_filter_0
+ 0
+ 0
+
+
+ blocks_throttle_0
+ blocks_float_to_complex_0
+ 0
+ 0
+
+
+ dc_blocker_xx_0
+ digital_clock_recovery_mm_xx_1
+ 0
+ 0
+
+
+ digital_binary_slicer_fb_0
+ satnogs_ax25_decoder_bm_0
+ 0
+ 0
+
+
+ digital_clock_recovery_mm_xx_1
+ digital_binary_slicer_fb_0
+ 0
+ 0
+
+
+ digital_costas_loop_cc_0
+ blocks_multiply_xx_0
+ 0
+ 0
+
+
+ low_pass_filter_0
+ analog_quadrature_demod_cf_0
+ 0
+ 0
+
+
+ satnogs_ax25_decoder_bm_0
+ satnogs_multi_format_msg_sink_0
+ pdu
+ in
+
+
+ satnogs_ogg_source_0
+ blocks_throttle_0
+ 0
+ 0
+
+
diff --git a/lib/ax25_decoder_bm_impl.cc b/lib/ax25_decoder_bm_impl.cc
index a154eea..5a7a466 100644
--- a/lib/ax25_decoder_bm_impl.cc
+++ b/lib/ax25_decoder_bm_impl.cc
@@ -103,7 +103,16 @@ namespace gr
{
case NO_SYNC:
if (d_shift_reg == AX25_SYNC_FLAG) {
- enter_sync_state ();
+ /*
+ * If the user asked for only one leading AX.25 SYNC flag
+ * start immediately the decoding
+ */
+ if (d_sync_flags_thr == 0) {
+ enter_decoding_state ();
+ }
+ else {
+ enter_sync_state ();
+ }
}
break;
case IN_SYNC:
@@ -211,7 +220,16 @@ namespace gr
{
case NO_SYNC:
if (d_shift_reg == AX25_SYNC_FLAG) {
- enter_sync_state ();
+ /*
+ * If the user asked for only one leading AX.25 SYNC flag
+ * start immediately the decoding
+ */
+ if(d_sync_flags_thr == 0) {
+ enter_decoding_state ();
+ }
+ else {
+ enter_sync_state ();
+ }
}
break;
case IN_SYNC:
diff --git a/lib/multi_format_msg_sink_impl.cc b/lib/multi_format_msg_sink_impl.cc
index 64c97dd..9c9b039 100644
--- a/lib/multi_format_msg_sink_impl.cc
+++ b/lib/multi_format_msg_sink_impl.cc
@@ -98,7 +98,10 @@ namespace gr
switch (d_format)
{
case 0:
- std::cout << s << std::endl;
+ for (size_t i = 0; i < pmt::blob_length (msg); i++) {
+ std::cout << s[i];
+ }
+ std::cout << std::endl;
break;
case 1:
su = (uint8_t *) pmt::blob_data (msg);