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revert gr_gnuplot commit

This commit is contained in:
Max 2017-10-18 17:34:52 -04:00
parent e31207cf88
commit 77b21b5e32
1 changed files with 1 additions and 10 deletions
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11
op25/gr-op25_repeater/apps/gr_gnuplot.py
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@ -35,7 +35,6 @@ GNUPLOT = '/usr/bin/gnuplot'
FFT_AVG = 0.25
FFT_BINS = 512
PEAK_WIDTH = 0.050
class wrap_gp(object):
def __init__(self, sps=_def_sps):
@ -47,8 +46,6 @@ class wrap_gp(object):
self.freqs = ()
self.avg_pwr = np.zeros(FFT_BINS)
self.buf = []
self.peak_freq = None
self.peak_pwr = 0.0
self.attach_gp()
@ -92,20 +89,15 @@ class wrap_gp(object):
self.buf = []
plots.append('"-" with dots')
elif mode == 'fft':
self.peak_pwr = 0.0
self.ffts = np.fft.fft(self.buf * np.blackman(BUFSZ)) / (0.42 * BUFSZ)
self.ffts = np.fft.fftshift(self.ffts)
self.freqs = np.fft.fftfreq(len(self.ffts))
self.freqs = np.fft.fftshift(self.freqs)
tune_freq = (self.center_freq - self.relative_freq) / 1e6
if self.center_freq and self.width:
self.freqs = ((self.freqs * self.width) + self.center_freq) / 1e6
for i in xrange(len(self.ffts)):
self.avg_pwr[i] = ((1.0 - FFT_AVG) * self.avg_pwr[i]) + (FFT_AVG * np.abs(self.ffts[i]))
s += '%f\t%f\n' % (self.freqs[i], 20 * np.log10(self.avg_pwr[i]))
if (self.freqs[i] >= (tune_freq - PEAK_WIDTH)) and (self.freqs[i] <= (tune_freq + PEAK_WIDTH)) and (self.avg_pwr[i] > self.peak_pwr):
self.peak_pwr = self.avg_pwr[i]
self.peak_freq = self.freqs[i]
s += 'e\n'
self.buf = []
plots.append('"-" with lines')
@ -136,14 +128,13 @@ class wrap_gp(object):
if self.center_freq:
arrow_pos = (self.center_freq - self.relative_freq) / 1e6
h+= 'set arrow from %f, graph 0 to %f, graph 1 nohead\n' % (arrow_pos, arrow_pos)
h+= 'set title "Tuned to %f Mhz, peak signal offset %f"\n' % (arrow_pos, (self.peak_freq - arrow_pos))
h+= 'set title "Tuned to %f Mhz"\n' % ((self.center_freq - self.relative_freq) / 1e6)
dat = '%splot %s\n%s' % (h, ','.join(plots), s)
self.gp.stdin.write(dat)
return consumed
def set_center_freq(self, f):
self.center_freq = f
self.peak_freq = f
def set_relative_freq(self, f):
self.relative_freq = f