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switch to shift_addfast_cc for better performance

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This commit is contained in:
Jakob Ketterl 2020-05-24 03:04:20 +02:00
parent 29b3f530d2
commit f1d9a4a28c
2 changed files with 3 additions and 9 deletions
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4
csdr/csdr.py
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@ -241,7 +241,7 @@ class dsp(object):
if self.fft_compression == "adpcm":
chain += ["csdr compress_fft_adpcm_f_u8 {fft_size}"]
return chain
chain += ["csdr shift_addition_cc --fifo {shift_pipe}"]
chain += ["csdr shift_addfast_cc --fifo {shift_pipe}"]
if self.decimation > 1:
chain += ["csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING"]
chain += ["csdr bandpass_fir_fft_cc --fifo {bpf_pipe} {bpf_transition_bw} HAMMING"]
@ -331,7 +331,7 @@ class dsp(object):
return chain
elif which == "bpsk31" or which == "bpsk63":
return chain + [
"csdr shift_addition_cc --fifo {secondary_shift_pipe}",
"csdr shift_addfast_cc --fifo {secondary_shift_pipe}",
"csdr bandpass_fir_fft_cc -{secondary_bpf_cutoff} {secondary_bpf_cutoff} {secondary_bpf_cutoff}",
"csdr simple_agc_cc 0.001 0.5",
"csdr timing_recovery_cc GARDNER {secondary_samples_per_bits} 0.5 2 --add_q",

8
owrx/source/resampler.py
View File

@ -1,10 +1,4 @@
from .direct import DirectSource
from . import SdrSource
import subprocess
import threading
import os
import socket
import time
import logging
@ -29,7 +23,7 @@ class Resampler(DirectSource):
def getCommand(self):
return [
"nc -v 127.0.0.1 {nc_port}".format(nc_port=self.sdr.getPort()),
"csdr shift_addition_cc {shift}".format(shift=self.shift),
"csdr shift_addfast_cc {shift}".format(shift=self.shift),
"csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING".format(
decimation=self.decimation, ddc_transition_bw=self.transition_bw
),