User:Hum/charge battery.sh

I want my battery to be charged up to 75% (longer life) and start this in a screen. It is only tested with a connection to USB.

charge_battery.sh:

# charge_battery.sh
# Copyright by Hum, GPL3
#
#          1000mA
#  0%- 72%  500mA
#      73% no change
# 74%- 75%  100mA
#      76% no change
# 77%-100%    0mA

CUR_LIM_PATH=/sys/devices/platform/s3c2440-i2c/i2c-adapter/i2c-0/0-0073/pcf50633-mbc/usb_curlim
CAPACITY_PATH=/sys/devices/platform/s3c24xx_pwm.0/hdq.0/bq27000-battery.0/power_supply/battery/capacity


while true;do

  CAPACITY=`cat $CAPACITY_PATH`
  CUR_LIM=`cat $CUR_LIM_PATH`

  test $CAPACITY -le 72 && echo 500 > $CUR_LIM_PATH
  # if $CAPACITY -eq 73 && do_nothing # maybe we found our balance
  test $CAPACITY -eq 74 && echo 100 > $CUR_LIM_PATH
  test $CAPACITY -eq 75 && echo 100 > $CUR_LIM_PATH               
  # if $CAPACITY -eq 76 && do_nothing # maybe we found our balance
  test $CAPACITY -ge 77 && echo   0 > $CUR_LIM_PATH               
                                                                  
  sleep 60                                                        
                                                                  
done