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Updated ups_lite.py for UPS-Lite v1.3 #1142

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Updated ups_lite.py for UPS-Lite v1.3 #1142

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13 changes: 9 additions & 4 deletions pwnagotchi/plugins/default/ups_lite.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
# To display external power supply status you need to bridge the necessary pins on the UPS-Lite board. See instructions in the UPS-Lite repo.
import logging
import struct
import subprocess

import RPi.GPIO as GPIO

Expand All @@ -28,20 +29,24 @@ def __init__(self):
import smbus
# 0 = /dev/i2c-0 (port I2C0), 1 = /dev/i2c-1 (port I2C1)
self._bus = smbus.SMBus(1)
# Version v1.1 and v1.2
self.address = 0x36
if subprocess.run(['i2cget', '-y', '1', '0x62']).returncode == 0:
# Version v1.3
self.address = 0X62
self._bus.write_word_data(self.address, 0X0A, 0x30)

def voltage(self):
try:
address = 0x36
read = self._bus.read_word_data(address, 2)
read = self._bus.read_word_data(self.address, 2)
swapped = struct.unpack("<H", struct.pack(">H", read))[0]
return swapped * 1.25 / 1000 / 16
except:
return 0.0

def capacity(self):
try:
address = 0x36
read = self._bus.read_word_data(address, 4)
read = self._bus.read_word_data(self.address, 4)
swapped = struct.unpack("<H", struct.pack(">H", read))[0]
return swapped / 256
except:
Expand Down