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axp209 is a pure python library for getting information from AXP209 Power Management Unit

Project Description

AXP209 is a pmu that is used on quite few Allwinner embeded boards, like C.H.I.P and Cubietruck.

Because currently the sysfs api for AXP209 is in flux I wrote this library that bypasses the kernel and directly talks to the AXP209 over I2C bus using smbus2 library.

This library runs on both Python 2.7 and Python 3

Installation

pip install smbus2
pip install axp209

Examples

>>> from axp209 import AXP209
>>> axp = AXP209()
>>> axp.battery_voltage
4144.8
>>> axp.battery_discharge_current
269.0
>>>

Read and print out all the battery status values

from axp209 import AXP209

axp = AXP209()
print("internal_temperature: %.2fC" % axp.internal_temperature)
print("battery_exists: %s" % axp.battery_exists)
print("battery_charging: %s" % ("charging" if axp.battery_charging else "done"))
print("battery_current_direction: %s" % ("charging" if axp.battery_current_direction else "discharging"))
print("battery_voltage: %.1fmV" % axp.battery_voltage)
print("battery_discharge_current: %.1fmA" % axp.battery_discharge_current)
print("battery_charge_current: %.1fmA" % axp.battery_charge_current)
print("battery_gauge: %d%%" % axp.battery_gauge)
axp.close()

Blink CHIP status led

from time import sleep
from axp209 import AXP209

with AXP209() as axp:
    while True:
        axp.gpio2_output = False
        sleep(1)
        axp.gpio2_output = True
        sleep(1)

Release history Release notifications

This version
History Node

0.0.2

History Node

0.0.1

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Filename, size & hash SHA256 hash help File type Python version Upload date
axp209-0.0.2-py2.py3-none-any.whl (5.8 kB) Copy SHA256 hash SHA256 Wheel py2.py3 Aug 17, 2016
axp209-0.0.2.tar.gz (3.9 kB) Copy SHA256 hash SHA256 Source None Aug 17, 2016

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