From dc7c619294676f191dd99e5ab6c8182e57d0d60f Mon Sep 17 00:00:00 2001
From: Alexander Barton <alex@barton.de>
Date: Tue, 12 Apr 2022 10:46:43 +0200
Subject: [PATCH] Add some examle scripts

---
 contrib/go.sh       | 28 ++++++++++++++++++++++++++
 contrib/ppinload.sh | 49 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100755 contrib/go.sh
 create mode 100755 contrib/ppinload.sh

diff --git a/contrib/go.sh b/contrib/go.sh
new file mode 100755
index 0000000..603eb6d
--- /dev/null
+++ b/contrib/go.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+[ -w /dev/ppin ] || exit 1
+
+export LC_ALL=C
+
+function set_ppin_up_to()
+{
+	declare -i count="$1"
+	declare -i n=0
+	while [ $n -lt 8 ]; do
+		[ $n -lt $count ] \
+			&& echo "$n on" >/dev/ppin \
+			|| echo "$n off" >/dev/ppin
+	n=$n+1
+	done
+}
+
+while true; do
+	for i in 0 1 2 3 4 5 6 7; do
+		set_ppin_up_to $i
+		sleep 1
+	done
+	for i in 7 6 5 4 3 2 1 0; do
+		set_ppin_up_to $i
+		sleep 1
+	done
+done
diff --git a/contrib/ppinload.sh b/contrib/ppinload.sh
new file mode 100755
index 0000000..1ccbdf8
--- /dev/null
+++ b/contrib/ppinload.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+[ -w /dev/ppin ] || exit 1
+[ "$1" = "-v" ] && VERBOSE=1 || unset VERBOSE
+
+export LC_ALL=C
+
+function set_ppin_up_to()
+{
+	declare -i count="$1"
+	declare -i n=0
+	while [ $n -lt 8 ]; do
+		[ $n -lt $count ] \
+			&& echo "$n on" >/dev/ppin \
+			|| echo "$n off" >/dev/ppin
+	n=$n+1
+	done
+}
+
+function load_ppin()
+{
+	if [ $load -lt 3 ]; then	#    < 0.03: 0 PINs	d=0.03
+		set_ppin_up_to 0
+	elif [ $load -lt 10 ]; then	# 0.03-0.09: 1 PIN	d=0.07
+		set_ppin_up_to 1
+	elif [ $load -lt 24 ]; then	# 0.10-0.24: 2 PIN	d=0.15
+		set_ppin_up_to 2
+	elif [ $load -lt 50 ]; then	# 0.25-0.49: 3 PINs	d=0.25
+		set_ppin_up_to 3
+	elif [ $load -lt 100 ]; then	# 0.50-0.99: 4 PINs	d=0.50
+		set_ppin_up_to 4
+	elif [ $load -lt 200 ]; then	# 1.00-1.99: 5 PINs	d=1.00
+		set_ppin_up_to 5 
+	elif [ $load -lt 400 ]; then	# 2.00-3.99: 6 PINs	d=2.00
+		set_ppin_up_to 6
+	elif [ $load -lt 800 ]; then	# 4.00-7.99: 7 PINs	d=4.50
+		set_ppin_up_to 7
+	else				#    > 8.00: 8 PINs
+		set_ppin_up_to 8
+	fi
+}
+
+while true; do
+	declare load_raw=`cat /proc/loadavg | cut -d' ' -f1`
+	declare -i load=`echo $load_raw | sed -e "s/\.//" | sed -e "s/^0*//g"`
+	[ -n "$VERBOSE" ] && echo "Load: $load_raw"
+	load_ppin
+	sleep 1
+done
-- 
2.39.2