Example #1
0
rxdecdsp = dsp.resample.Resample(outputRate=44000)
rxlimitdsp = dsp.limiter.Limiter(mi=-1, ma=1)
rxsndsink = dsp.sink.Sink(sndDev)
rxplotdsp = dsp.plot.Plot("RX Demodulated fm")
rxplotfm = dsp.plot.Plot("RX decimated td")
rxplotfft = dsp.fftPlot.FftPlot("RX Decimated spectrum", nmax=512)
rxplotfftfull = dsp.fftPlot.FftPlot("RX full spectrum", nmax=512)
rxplotfftfir = dsp.fftPlot.FftPlot("RX firfiltered full spectrum", nmax=512)
rxsquelch = dsp.squelch.Squelch(threshold=0.01, hold=0.00000)
rxac = dsp.acCouple.AcCouple()
rxac2 = dsp.acCouple.AcCouple()

rxstatdsp = dsp.status.Status()
rxdsp = dspPipeLine.DspPipeLine([[rxsdrsrc], [rxac],
                                 [rxplotfftfull], [rxfirdsp], [rxplotfftfir],
                                 [rxdecdsp], [rxplotfft], [rxplotfm],
                                 [rxsquelch], [rxfmdsp], [rxac2], [rxplotdsp],
                                 [rxagcdsp], [rxsndsink], [rxstatdsp]])
#rxdsp = dspPipeLine.DspPipeLine([ [rxsdrsrc], [rxac], [rxplotfftfull], [rxfirdsp],[rxplotfftfir], [rxdecdsp], [rxplotfft], [rxsquelch], [rxfmdsp],[rxac2], [rxagcdsp],[rxsndsink], [rxstatdsp]])

print("starting tx pipeline")
print("starting rx pipeline")
rxdsp.start()
try:
    while True:
        time.sleep(10)
        rxdsp.status()
except KeyboardInterrupt:
    print("stopping dsp pipeline")
    rxdsp.stop()
    txdsp.stop()
Example #2
0
limitdsp = dsp.limiter.Limiter(mi=-1, ma=1)
sndsink = dsp.sink.Sink(sndDev)
plotdsp = dsp.plot.Plot("Demodulated fm")
plotfm = dsp.plot.Plot("decimated td")
plotfft = dsp.fftPlot.FftPlot("Decimated spectrum", nmax=512)
plotfftfull = dsp.fftPlot.FftPlot("full spectrum", nmax=512)
plotfftfir = dsp.fftPlot.FftPlot("firfiltered full spectrum", nmax=512)
squelch = dsp.squelch.Squelch(threshold=0.01, hold=0.00000)
ac = dsp.acCouple.AcCouple()
ac2 = dsp.acCouple.AcCouple()

statdsp = dsp.status.Status()
tunedsp = dsp.tuner.Tuner(nco=-150000)
dsp = dspPipeLine.DspPipeLine([
    [sdrsrc], [tunedsp], [ac], [plotfftfull], [firdsp], [plotfftfir], [decdsp],
    [plotfft], [plotfm], [squelch], [fmdsp], [ac2], [plotdsp], [agcdsp],
    [sndsink], [statdsp]
])  # [agcdsp], [sndsink], [fftdsp], [dbdsp, limitdsp], [plotdsp]])

print "starting pipeline"
dsp.start()
try:
    while True:
        time.sleep(10)
        dsp.status()
except KeyboardInterrupt:
    print "stopping dsp pipeline"
    dsp.stop()
    sndDev.stop()
exit(0)
Example #3
0
txagcproc = dsp.agc.Agc(rate=0.01 * 5)
txfir = dsp.fir.Fir(taps=128, passBand=0.1, transition=0.01)
txfmmod = dsp.fmMod.FmMod(6000)
txplotdsp = dsp.plot.Plot("TX AF time")
txplotfilt = dsp.plot.Plot("TX Filtered")
txplotfft = dsp.fftPlot.FftPlot("TX AF freq", nmax=2048)
txplotfm = dsp.plot.Plot("TX FM time")
txplotfftfm = dsp.fftPlot.FftPlot("TX FM freq", nmax=2048)
txrfplotdsp = dsp.plot.Plot("TX RF time")
txrfplotfft = dsp.fftPlot.FftPlot("TX RF freq", nmax=2048)
txresamp = dsp.resample.Resample(outputRate=4e6)
txsink = dsp.sink.Sink(sdr)
txstatdsp = dsp.status.Status()
txdsp = dspPipeLine.DspPipeLine([[txsndsrc], [txplotdsp], [txplotfft], [txfir],
                                 [txplotfilt], [txsquelch], [txfmmod],
                                 [txplotfm], [txplotfftfm], [txresamp],
                                 [txrfplotdsp], [txrfplotfft], [txsink],
                                 [txstatdsp]])

rxsdrsrc = dsp.source.Source(sdr,
                             samples=32768,
                             fc=sdr.getFrequency()['rx'],
                             rate=sdr.getSampleRate()['rx'])
rxfirdsp = dsp.fir.Fir(taps=256, passBand=0.00001)
rxfmdsp = dsp.fmDemod.FmDemod()
rxagcdsp = dsp.agc.Agc(target=1, maxAmp=10, rate=0.01)
rxfftdsp = dsp.fft.Fft(samples=4096)
rxdbdsp = dsp.db.Db()
rxdecdsp = dsp.resample.Resample(outputRate=44000)
rxlimitdsp = dsp.limiter.Limiter(mi=-1, ma=1)
rxsndsink = dsp.sink.Sink(sndDev)
Example #4
0
import dsp.resample
import dsp.printer
import dsp.fir
import dsp.fmMod
import dsp.agc
import dsp.squelch
import time

print("Creating sound device")
sndDev = soundDevice.SoundDevice()

print("Setting up processors")
sndsrc = dsp.source.Source(sndDev, samples=512, fc=0, rate=44000)
sndsnk = dsp.sink.Sink(sndDev)
plot = dsp.plot.Plot("AF time")
plotFrequency = dsp.fftPlot.FftPlot("AF frequency")
statdsp = dsp.status.Status()
dsp = dspPipeLine.DspPipeLine([[sndsrc], [plot], [plotFrequency], [sndsnk],
                               [statdsp]])
print("starting pipeline")
dsp.start()
try:
    while True:
        time.sleep(10)
        dsp.status()
except KeyboardInterrupt:
    print("stopping dsp pipeline")
    dsp.stop()
    sndDev.stop()
exit(0)
Example #5
0
        
        
sdr = openSdr()
print "Creating sound device"
sndDev  = soundDevice.SoundDevice()

print "Setting up processors for tx pipe"
txsndsrc = dsp.source.Source(sndDev, samples=512, fc = 0, rate = 44000);
txsquelch = dsp.squelch.Squelch(threshold=0.2, hold = 0.2)
txagcproc = dsp.agc.Agc(rate = 0.01*5)
txfir = dsp.fir.Fir(taps = 128, passBand = 0.1, transition = 0.01)
txfmmod = dsp.fmMod.FmMod(6000)
txresamp = dsp.resample.Resample(outputRate = 4e6)
txsink = dsp.sink.Sink(sdr)
txstatdsp = dsp.status.Status()
txdsp = dspPipeLine.DspPipeLine([ [txsndsrc], [txfir],[txsquelch], [txfmmod] , [txresamp], [txsink], [txstatdsp]])


rxsdrsrc = dsp.source.Source(sdr, samples = 32768, fc = sdr.getFrequency()['rx'], rate = sdr.getSampleRate()['rx'])
rxfirdsp = dsp.fir.Fir(taps = 256, passBand=0.00001);
rxfmdsp = dsp.fmDemod.FmDemod()
rxagcdsp = dsp.agc.Agc(target=1, maxAmp = 10, rate =0.01)
rxfftdsp = dsp.fft.Fft(samples=4096)
rxdbdsp = dsp.db.Db()
rxdecdsp = dsp.resample.Resample(outputRate=44000)
rxlimitdsp = dsp.limiter.Limiter(mi=-1, ma = 1)
rxsndsink = dsp.sink.Sink(sndDev);
rxsquelch = dsp.squelch.Squelch(threshold = 0.01, hold = 0.00000)
rxac = dsp.acCouple.AcCouple()
rxac2 = dsp.acCouple.AcCouple()
Example #6
0
squelch = dsp.squelch.Squelch(threshold=0.2, hold=0.2)
agcproc = dsp.agc.Agc(rate=0.01 * 5)
fir = dsp.fir.Fir(taps=128, passBand=0.1, transition=0.01)
fmmod = dsp.fmMod.FmMod(6000)
plotdsp = dsp.plot.Plot("AF time")
plotfilt = dsp.plot.Plot("Filtered")
plotfft = dsp.fftPlot.FftPlot("AF freq", nmax=2048)
plotfm = dsp.plot.Plot("FM time")
plotfftfm = dsp.fftPlot.FftPlot("FM freq", nmax=2048)
rfplotdsp = dsp.plot.Plot("RF time")
rfplotfft = dsp.fftPlot.FftPlot("RF freq", nmax=2048)
resamp = dsp.resample.Resample(outputRate=4e6)
sink = dsp.sink.Sink(sdr)
statdsp = dsp.status.Status()
dsp = dspPipeLine.DspPipeLine([[sndsrc], [plotdsp], [plotfft], [fir],
                               [plotfilt], [squelch], [fmmod], [plotfm],
                               [plotfftfm], [resamp], [rfplotdsp], [rfplotfft],
                               [sink], [statdsp]])
#dsp = dspPipeLine.DspPipeLine([ [sndsrc],[resamp],[sink]])
print "starting pipeline"
dsp.start()
try:
    while True:
        time.sleep(10)
        dsp.status()
except KeyboardInterrupt:
    print "stopping dsp pipeline"
    dsp.stop()
    sndDev.stop()
exit(0)
Example #7
0
            np.linspace(o, ((40 * np.pi) * (nsample - 1) / nsample) + o,
                        nsample))
        time.sleep(0.001)
        return samples


sigsrc = SineSource()

print("Setting up processors")
sndsrc = dsp.source.Source(sigsrc, fc=0, rate=44000, samples=16)
plotdsp = dsp.plot.Plot("AF time ")
plotfft = dsp.fftPlot.FftPlot("AF freq", nmax=512)
decdsp = dsp.resample.Resample(44000 * 10)
plotdspd = dsp.plot.Plot("AF time resample")
plotfftd = dsp.fftPlot.FftPlot("AF freq resample", nmax=512)
statdsp = dsp.status.Status()
dsp = dspPipeLine.DspPipeLine([[sndsrc], [plotdsp], [plotfft], [decdsp],
                               [plotdspd], [plotfftd], [statdsp]])

print("starting pipeline")
dsp.start()
try:
    while True:
        time.sleep(10)
        dsp.status()
except KeyboardInterrupt:
    print("stopping dsp pipeline")
    dsp.stop()
    sndDev.stop()
exit(0)