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graph_accelerometer: Support axis-level comparison of adxl345 data 

Signed-off-by: Dmitry Butyugin <dmbutyugin@google.com>
This commit is contained in:
Dmitry Butyugin 2021-03-14 14:58:29 +01:00 committed by KevinOConnor
parent b6908e56aa
commit 2d8945dc1c
2 changed files with 8 additions and 3 deletions
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4
klippy/extras/shaper_calibrate.py
View File

@ -139,6 +139,8 @@ class CalibrationData:
self.psd_y = psd_y
self.psd_z = psd_z
self._psd_list = [self.psd_sum, self.psd_x, self.psd_y, self.psd_z]
self._psd_map = {'x': self.psd_x, 'y': self.psd_y, 'z': self.psd_z,
'all': self.psd_sum}
self.data_sets = 1
def join(self, other):
np = self.numpy
@ -159,6 +161,8 @@ class CalibrationData:
psd /= self.freq_bins + .1
# Remove low-frequency noise
psd[self.freq_bins < MIN_FREQ] = 0.
def get_psd(self, axis='all'):
return self._psd_map[axis]
CalibrationResult = collections.namedtuple(

7
scripts/graph_accelerometer.py
View File

@ -113,7 +113,7 @@ def plot_frequency(datas, lognames, max_freq):
fig.tight_layout()
return fig
def plot_compare_frequency(datas, lognames, max_freq):
def plot_compare_frequency(datas, lognames, max_freq, axis):
fig, ax = matplotlib.pyplot.subplots()
ax.set_title('Frequency responses comparison')
ax.set_xlabel('Frequency (Hz)')
@ -122,7 +122,7 @@ def plot_compare_frequency(datas, lognames, max_freq):
for data, logname in zip(datas, lognames):
calibration_data = calc_freq_response(data, max_freq)
freqs = calibration_data.freq_bins
psd = calibration_data.psd_sum[freqs <= max_freq]
psd = calibration_data.get_psd(axis)[freqs <= max_freq]
freqs = freqs[freqs <= max_freq]
ax.plot(freqs, psd, label="\n".join(wrap(logname, 60)), alpha=0.6)
@ -243,7 +243,8 @@ def main():
opts.error("Only 1 input is supported in specgram mode")
fig = plot_specgram(datas[0], args[0], options.max_freq, options.axis)
elif options.compare:
fig = plot_compare_frequency(datas, args, options.max_freq)
fig = plot_compare_frequency(datas, args, options.max_freq,
options.axis)
else:
fig = plot_frequency(datas, args, options.max_freq)