summaryrefslogtreecommitdiff
path: root/lib/keysightdlog.py
diff options
context:
space:
mode:
authorDaniel Friesel <daniel.friesel@uos.de>2020-05-28 12:04:37 +0200
committerDaniel Friesel <daniel.friesel@uos.de>2020-05-28 12:04:37 +0200
commitc69331e4d925658b2bf26dcb387981f6530d7b9e (patch)
treed19c7f9b0bf51f68c104057e013630e009835268 /lib/keysightdlog.py
parent23927051ac3e64cabbaa6c30e8356dfe90ebfa6c (diff)
use black(1) for uniform code formatting
Diffstat (limited to 'lib/keysightdlog.py')
-rwxr-xr-xlib/keysightdlog.py136
1 files changed, 85 insertions, 51 deletions
diff --git a/lib/keysightdlog.py b/lib/keysightdlog.py
index 0cf8da1..89264b9 100755
--- a/lib/keysightdlog.py
+++ b/lib/keysightdlog.py
@@ -8,69 +8,74 @@ import struct
import sys
import xml.etree.ElementTree as ET
+
def plot_y(Y, **kwargs):
plot_xy(np.arange(len(Y)), Y, **kwargs)
-def plot_xy(X, Y, xlabel = None, ylabel = None, title = None, output = None):
- fig, ax1 = plt.subplots(figsize=(10,6))
+
+def plot_xy(X, Y, xlabel=None, ylabel=None, title=None, output=None):
+ fig, ax1 = plt.subplots(figsize=(10, 6))
if title != None:
fig.canvas.set_window_title(title)
if xlabel != None:
ax1.set_xlabel(xlabel)
if ylabel != None:
ax1.set_ylabel(ylabel)
- plt.subplots_adjust(left = 0.1, bottom = 0.1, right = 0.99, top = 0.99)
+ plt.subplots_adjust(left=0.1, bottom=0.1, right=0.99, top=0.99)
plt.plot(X, Y, "bo", markersize=2)
if output:
plt.savefig(output)
- with open('{}.txt'.format(output), 'w') as f:
- print('X Y', file=f)
+ with open("{}.txt".format(output), "w") as f:
+ print("X Y", file=f)
for i in range(len(X)):
- print('{} {}'.format(X[i], Y[i]), file=f)
+ print("{} {}".format(X[i], Y[i]), file=f)
else:
plt.show()
+
filename = sys.argv[1]
-with open(filename, 'rb') as logfile:
+with open(filename, "rb") as logfile:
lines = []
- line = ''
+ line = ""
- if '.xz' in filename:
+ if ".xz" in filename:
f = lzma.open(logfile)
else:
f = logfile
- while line != '</dlog>\n':
+ while line != "</dlog>\n":
line = f.readline().decode()
lines.append(line)
- xml_header = ''.join(lines)
+ xml_header = "".join(lines)
raw_header = f.read(8)
data_offset = f.tell()
raw_data = f.read()
- xml_header = xml_header.replace('1ua>', 'X1ua>')
- xml_header = xml_header.replace('2ua>', 'X2ua>')
+ xml_header = xml_header.replace("1ua>", "X1ua>")
+ xml_header = xml_header.replace("2ua>", "X2ua>")
dlog = ET.fromstring(xml_header)
channels = []
- for channel in dlog.findall('channel'):
- channel_id = int(channel.get('id'))
- sense_curr = channel.find('sense_curr').text
- sense_volt = channel.find('sense_volt').text
- model = channel.find('ident').find('model').text
- if sense_volt == '1':
- channels.append((channel_id, model, 'V'))
- if sense_curr == '1':
- channels.append((channel_id, model, 'A'))
+ for channel in dlog.findall("channel"):
+ channel_id = int(channel.get("id"))
+ sense_curr = channel.find("sense_curr").text
+ sense_volt = channel.find("sense_volt").text
+ model = channel.find("ident").find("model").text
+ if sense_volt == "1":
+ channels.append((channel_id, model, "V"))
+ if sense_curr == "1":
+ channels.append((channel_id, model, "A"))
num_channels = len(channels)
- duration = int(dlog.find('frame').find('time').text)
- interval = float(dlog.find('frame').find('tint').text)
+ duration = int(dlog.find("frame").find("time").text)
+ interval = float(dlog.find("frame").find("tint").text)
real_duration = interval * int(len(raw_data) / (4 * num_channels))
- data = np.ndarray(shape=(num_channels, int(len(raw_data) / (4 * num_channels))), dtype=np.float32)
+ data = np.ndarray(
+ shape=(num_channels, int(len(raw_data) / (4 * num_channels))), dtype=np.float32
+ )
- iterator = struct.iter_unpack('>f', raw_data)
+ iterator = struct.iter_unpack(">f", raw_data)
channel_offset = 0
measurement_offset = 0
for value in iterator:
@@ -82,34 +87,59 @@ with open(filename, 'rb') as logfile:
channel_offset += 1
if int(real_duration) != duration:
- print('Measurement duration: {:f} of {:d} seconds at {:f} µs per sample'.format(
- real_duration, duration, interval * 1000000))
+ print(
+ "Measurement duration: {:f} of {:d} seconds at {:f} µs per sample".format(
+ real_duration, duration, interval * 1000000
+ )
+ )
else:
- print('Measurement duration: {:d} seconds at {:f} µs per sample'.format(
- duration, interval * 1000000))
+ print(
+ "Measurement duration: {:d} seconds at {:f} µs per sample".format(
+ duration, interval * 1000000
+ )
+ )
for i, channel in enumerate(channels):
channel_id, channel_model, channel_type = channel
- print('channel {:d} ({:s}): min {:f}, max {:f}, mean {:f} {:s}'.format(
- channel_id, channel_model, np.min(data[i]), np.max(data[i]), np.mean(data[i]),
- channel_type))
+ print(
+ "channel {:d} ({:s}): min {:f}, max {:f}, mean {:f} {:s}".format(
+ channel_id,
+ channel_model,
+ np.min(data[i]),
+ np.max(data[i]),
+ np.mean(data[i]),
+ channel_type,
+ )
+ )
- if i > 0 and channel_type == 'A' and channels[i-1][2] == 'V' and channel_id == channels[i-1][0]:
- power = data[i-1] * data[i]
+ if (
+ i > 0
+ and channel_type == "A"
+ and channels[i - 1][2] == "V"
+ and channel_id == channels[i - 1][0]
+ ):
+ power = data[i - 1] * data[i]
power = 3.6 * data[i]
- print('channel {:d} ({:s}): min {:f}, max {:f}, mean {:f} W'.format(
- channel_id, channel_model, np.min(power), np.max(power), np.mean(power)))
+ print(
+ "channel {:d} ({:s}): min {:f}, max {:f}, mean {:f} W".format(
+ channel_id, channel_model, np.min(power), np.max(power), np.mean(power)
+ )
+ )
min_power = np.min(power)
max_power = np.max(power)
power_border = np.mean([min_power, max_power])
low_power = power[power < power_border]
high_power = power[power >= power_border]
plot_y(power)
- print(' avg low / high power (delta): {:f} / {:f} ({:f}) W'.format(
- np.mean(low_power), np.mean(high_power),
- np.mean(high_power) - np.mean(low_power)))
- #plot_y(low_power)
- #plot_y(high_power)
+ print(
+ " avg low / high power (delta): {:f} / {:f} ({:f}) W".format(
+ np.mean(low_power),
+ np.mean(high_power),
+ np.mean(high_power) - np.mean(low_power),
+ )
+ )
+ # plot_y(low_power)
+ # plot_y(high_power)
high_power_durations = []
current_high_power_duration = 0
for is_hpe in power >= power_border:
@@ -119,12 +149,16 @@ for i, channel in enumerate(channels):
if current_high_power_duration > 0:
high_power_durations.append(current_high_power_duration)
current_high_power_duration = 0
- print(' avg high-power duration: {:f} µs'.format(np.mean(high_power_durations) * 1000000))
-
-#print(xml_header)
-#print(raw_header)
-#print(channels)
-#print(data)
-#print(np.mean(data[0]))
-#print(np.mean(data[1]))
-#print(np.mean(data[0] * data[1]))
+ print(
+ " avg high-power duration: {:f} µs".format(
+ np.mean(high_power_durations) * 1000000
+ )
+ )
+
+# print(xml_header)
+# print(raw_header)
+# print(channels)
+# print(data)
+# print(np.mean(data[0]))
+# print(np.mean(data[1]))
+# print(np.mean(data[0] * data[1]))