init

1 files changed, 54 insertions, 0 deletions

diff --git a/bin/st-power b/bin/st-power
new file mode 100755
index 0000000..e3fe69a
--- /dev/null
+++ b/bin/st-power
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+#!/bin/sh
+
+# for UPS monitoring with NUT 
+#
+#DATA_CMD="upsc ups@localhost"
+
+# on debian and freebsd, ups.realpower is not available.
+# calculate load in watts with load percent and max output instead.
+#MAX_OUTPUT=$($DATA_CMD | grep ups.realpower.nominal: | awk '{print $2}')
+#LOAD_VALUE=$($DATA_CMD | grep ups.load: | awk '{print $2}')
+#LOAD_PERCENT=$(echo "scale=2; $LOAD_VALUE/100" | bc)
+#POWER=$(echo "scale=0; $LOAD_PERCENT*$MAX_OUTPUT" | bc)
+
+# on void, ups.realpower is available!
+#POWER="$($DATA_CMD | grep ups.realpower: | awk '{print $2}') W"
+
+# "round" to integer. just removes decimal and whatevers after. not necessary with ups.realpower.
+#POWER="${POWER%.*} W"
+#CHARGE="$($DATA_CMD | grep battery.charge: | awk '{print $2}')%"
+
+#if [ "$CHARGE" = "100%" ]; then
+#  echo $POWER
+#else
+#  echo "$CHARGE $POWER"
+#fi
+
+# for battery monitoring everywhere else
+#
+# if power_now is present, just divide it to watts.
+# (from micro watts on thinkpads, perhaps something else on other platforms)
+if test -f /sys/class/power_supply/BAT*/power_now; then
+  POWER=$(cat /sys/class/power_supply/BAT*/power_now)
+  POWER="$(echo "scale=2; $POWER/1000000" | bc)W"
+else
+# if power_now is not present, calculate it:
+  VOLTAGE=$(cat /sys/class/power_supply/BAT*/voltage_now)
+  CURRENT=$(cat /sys/class/power_supply/BAT*/current_now)
+  POWER="$(echo "scale=2; $VOLTAGE*$CURRENT/1000000000000" | bc)W"
+fi
+
+STATUS=$(cat /sys/class/power_supply/BAT*/status)
+
+#case "$STATUS" in
+#  "Charging")
+#    STATUS="+";;
+#  "Discharging")
+#    STATUS="-";;
+#  "Not Charging")
+#    STATUS="...";;
+#esac
+
+CHARGE="$(cat /sys/class/power_supply/BAT*/capacity)%"
+
+echo "$CHARGE $POWER $STATUS"