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RPM filter on rpm reading

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Jan Beníček 2025-01-22 05:54:13 +01:00
parent d78ac03500
commit 19894ae8d2
1 changed files with 19 additions and 3 deletions
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22
scripts/speed_reader.py
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@ -5,7 +5,8 @@ import datetime, os
pulses_per_rotation = 4 pulses_per_rotation = 4
reader = Button(4, pull_up=False, bounce_time=0.0005) reader = Button(4, pull_up=False, bounce_time=0.0005)
set_variable("speed_reader_last_impulse_time", datetime.datetime.now(), False) set_variable("speed_reader_last_impulse_time", datetime.datetime.now(), False)
set_variable("actual_rpm_unfiltered", 0, False) #set_variable("actual_rpm_unfiltered", 0, False)
set_variable("rpm_filter", [0], False)
def printer(text): def printer(text):
if bool(os.getenv("DEBUG")): if bool(os.getenv("DEBUG")):
@ -19,8 +20,23 @@ def event():
rpm = (60 / difference) / pulses_per_rotation rpm = (60 / difference) / pulses_per_rotation
actual_rpm = (float(get_variable("actual_rpm_unfiltered")) + rpm) / 2 #actual_rpm = (float(get_variable("actual_rpm_unfiltered")) + rpm) / 2
set_variable("actual_rpm_unfiltered", rpm, False) #set_variable("actual_rpm_unfiltered", rpm, False)
rpm_filter = get_variable("rpm_filter")
print(rpm_filter)
if len(rpm_filter) > 8:
rpm_filter.remove(rpm_filter[0])
rpm_filter.append(rpm)
set_variable("rpm_filter", rpm_filter, False)
average = 0
for i in rpm_filter:
average = average + i
actual_rpm = average / len(rpm_filter)
set_variable("actual_rpm", round(actual_rpm, 1), False) set_variable("actual_rpm", round(actual_rpm, 1), False)
printer("Measured RPM: {}".format(round(actual_rpm, 1))) printer("Measured RPM: {}".format(round(actual_rpm, 1)))