CircuitPython Battery Fuel Gauge: LC709203F [+ SH1107]

code.py

import time
import board
import supervisor
import displayio
import adafruit_displayio_sh1107
from adafruit_lc709203f import LC709203F, PackSize


print("LC709203F Battery Fuel Gauge")

i2c = board.I2C()

try:
    displayio.release_displays()
    display_bus = displayio.I2CDisplay(i2c, device_address=0x3c)
    display = adafruit_displayio_sh1107.SH1107(display_bus, width=128, height=64)
    display.brightness = 0.25  # 0.0-1.0
except RuntimeError as e:
    print('OLED:', e)

while True:
    try:
        sensor = LC709203F(i2c)
        sensor.pack_size = PackSize.MAH400
        print(f"IC version: {hex(sensor.ic_version)}")
        break
    except ValueError as e:
        print(f"{supervisor.ticks_ms():9d} No LC709203F or no battery ({e})")
    time.sleep(1)

while True:
    print(f"{supervisor.ticks_ms():9d}", end=" ")
    try:
        print(" ".join((f"Battery: {sensor.cell_voltage:0.3f}v",
              f"{sensor.cell_percent:0.1f}%",
              f"pack={sensor.pack_size}",
              f"pwr={sensor.power_mode}",
              f"prof={sensor.battery_profile}",)))
    except (RuntimeError, OSError) as e:
        print(e)
    time.sleep(1)