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55390d273f
* Convert all text strings to f-strings Reformats all the text from the old "%-formatted" and .format(...) format to the newer f-string format, as defined in PEP 498. This requires Python 3.6+. Flynt 0.69 was used to reformat the strings. 120 f-strings were created in 51 files. F-strings are in general more readable, concise and performant. See also: https://www.python.org/dev/peps/pep-0498/#rationale * revert pyextra changes * revert ublox.py Co-authored-by: Willem Melching <willem.melching@gmail.com>
54 lines
1.9 KiB
Python
Executable File
54 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import time
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def average(avg, sample):
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# Weighted avg between existing value and new sample
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return ((avg[0] * avg[1] + sample) / (avg[1] + 1), avg[1] + 1)
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if __name__ == '__main__':
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sample_time = None
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if len(sys.argv) > 1:
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sample_time = int(sys.argv[1])
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start_time = time.monotonic()
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try:
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voltage_average = (0, 0) # average, count
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current_average = (0, 0)
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power_average = (0, 0)
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power_total_average = (0, 0)
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while sample_time is None or time.monotonic() - start_time < sample_time:
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with open("/sys/bus/i2c/devices/0-0040/hwmon/hwmon1/in1_input") as f:
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voltage_total = int(f.read()) / 1000.
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with open("/sys/bus/i2c/devices/0-0040/hwmon/hwmon1/curr1_input") as f:
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current_total = int(f.read())
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with open("/sys/class/power_supply/bms/voltage_now") as f:
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voltage = int(f.read()) / 1e6 # volts
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with open("/sys/class/power_supply/bms/current_now") as f:
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current = int(f.read()) / 1e3 # ma
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power = voltage*current
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power_total = voltage_total*current_total
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# compute averages
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voltage_average = average(voltage_average, voltage)
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current_average = average(current_average, current)
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power_average = average(power_average, power)
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power_total_average = average(power_total_average, power_total)
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print(f"{power:12.2f} mW {power_total:12.2f} mW {power_total - power:12.2f} mW")
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time.sleep(0.25)
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finally:
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stop_time = time.monotonic()
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print("\n----------------------Average-----------------------------------")
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voltage = voltage_average[0]
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current = current_average[0]
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power = power_average[0]
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print(f"{voltage:.2f} volts {current:12.2f} ma {power:12.2f} mW {power_total:12.2f} mW")
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print(f" {stop_time - start_time:.2f} Seconds {voltage_average[1]} samples")
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print("----------------------------------------------------------------")
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