full

#!/usr/bin/env bash


VOLTAGE_FILE=${1:-"/sys/class/power_supply/hidpp_battery_1/voltage_now"}


declare -A LEVELS

LEVELS["4186"]="100"
# 4156  99%
# 4143  98%
# 4133  97%
# 4122  96%
# 4113  95%
# 4103  94%
# 4094  93%
# 4086  92%
# 4076  91%
# 4067  90%
# 406   89%
# 4051  88%
# 4043  87%
# 4036  86%
# 4027  85%
# 4019  84%
# 4012  83%
# 4004  82%
# 3997  81%
# 3989  80%
# 3983  79%
# 3976  78%
# 3969  77%
# 3961  76%
# 3955  75%
# 3949  74%
# 3942  73%
# 3935  72%
# 3929  71%
# 3922  70%
# 3916  69%
# 3909  68%
# 3902  67%
# 3896  66%
# 389   65%
# 3883  64%
# 3877  63%
# 387   62%
# 3865  61%
# 3859  60%
# 3853  59%
# 3848  58%
# 3842  57%
# 3837  56%
# 3833  55%
# 3828  54%
# 3824  53%
# 3819  52%
# 3815  51%
# 3811  50%
# 3808  49%
# 3804  48%
# 38        47%
# 3797  46%
# 3793  45%
# 379   44%
# 3787  43%
# 3784  42%
# 3781  41%
# 3778  40%
# 3775  39%
# 3772  38%
# 377   37%
# 3767  36%
# 3764  35%
# 3762  34%
# 3759  33%
# 3757  32%
# 3754  31%
# 3751  30%
# 3748  29%
# 3744  28%
# 3741  27%
# 3737  26%
# 3734  25%
# 373   24%
# 3726  23%
# 3724  22%
# 372   21%
# 3717  20%
# 3714  19%
# 371   18%
# 3706  17%
# 3702  16%
# 3697  15%
# 3693  14%
# 3688  13%
# 3683  12%
# 3677  11%
# 3671  10%
# 3666  9%
# 3662  8%
# 3658  7%
# 3654  6%
# 3646  5%
# 3633  4%
# 3612  3%
# 3579  2%
# 3537  1%
LEVELS["35"]="0"
# )

VOLTAGE=`cat $VOLTAGE_FILE`
VOLTAGE=${VOLTAGE::-3}

for i in "${!LEVELS[@]}"
do
    if [ "$VOLTAGE" -ge "$i" ]; then
        echo "$LEVELS[$i]"
        break
    fi
done