rusefi-1/misc/extract_trigger_angles.py

68 lines
1.4 KiB
Python

#!/usr/bin/python2
# this script parses a rusEfi console log, extract analog_chart line and
# calculates average trigger angles
# author spags
import numpy
# todo: change the sccript so that we do not need to hard-code trigger sequence length?
trigger_size = 10
rpm_max_change = 15
AC_HEADER = 'analog_chart,'
fp = open("target.csv")
data = {}
last_time = 0
rpm = 10000
last_rpm = 0
for line in fp:
# Chuck the date
# todo: use '<EOT>:' tag
line = line[35:]
if line.startswith(AC_HEADER):
line = line.strip(AC_HEADER)
numbers = [float(n) for n in line.split('|')[:2 * trigger_size]]
if abs(rpm-last_rpm) < rpm_max_change:
data[last_time] = numbers
else:
print "RPM Variance too great", last_rpm, rpm
last_rpm = rpm
elif line.startswith('time'):
last_time = float(line.split(',')[1])
last_rpm = rpm
rpm = float(line.split(',')[3])
else:
pass
print "Got %d data points"%len(data)
a = {}
for i in range(0, len(numbers)+1,2):
a[i] = numpy.zeros(len(data))
count = 0
for time,numbers in data.iteritems():
for i in range(0, len(numbers),2):
a[i][count] = numbers[i]
count+=1
print "Trigger\t\tStdDeviation"
print "-"*40
for i in a.values():
print "%f\t\t%f"%(numpy.average(i), i.std())