From 963b42ef221f6c7b0458ecc70597e40fe96cf253 Mon Sep 17 00:00:00 2001
From: telegnom <ccc@telegnom.org>
Date: Sun, 8 Mar 2015 16:24:31 +0100
Subject: [PATCH] initialer checkin

---
 power.py    | 36 +++++++++++++++++++++++++++++++
 powerpi     | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 powertrans  | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 transfer.sh |  8 +++++++
 4 files changed, 166 insertions(+)
 create mode 100755 power.py
 create mode 100755 powerpi
 create mode 100755 powertrans
 create mode 100755 transfer.sh

diff --git a/power.py b/power.py
new file mode 100755
index 0000000..41cd713
--- /dev/null
+++ b/power.py
@@ -0,0 +1,36 @@
+#!/usr/bin/python
+
+import RPi.GPIO as GPIO
+import time
+
+# set gpio port numeration to bcm style
+GPIO.setmode(GPIO.BCM)
+
+#initialise gpio on pi 24 as input with an pull_up resistor
+GPIO.setup(24, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+
+#initialise some startup values
+last = time.time()
+lpower = 10000
+
+#start busy loop
+while True:
+	#wait for a falling edge on gpio 24
+	GPIO.wait_for_edge(24, GPIO.FALLING)
+	
+	#get current time and calculate current power from difference
+	current = time.time()
+	diff = current - last
+	power = 1800 / diff
+
+	#write into logfile
+	logfile = open("/srv/powerpi/power.out", "w+", 0)
+	if (power < lpower + 1500):
+		out = str(current) + ";" + str(round(power,0))	
+	else:
+		out = str(current) + ";0"
+	logfile.write(out)
+	logfile.close()
+	lpower = power
+	last = current
+GPIO.cleanup()
diff --git a/powerpi b/powerpi
new file mode 100755
index 0000000..fc410ae
--- /dev/null
+++ b/powerpi
@@ -0,0 +1,61 @@
+#!/bin/sh
+ 
+### BEGIN INIT INFO
+# Provides: powerpi
+# Required-Start: $remote_fs $syslog
+# Required-Stop: $remote_fs $syslog
+# Default-Start: 2 3 4 5
+# Default-Stop: 0 1 6
+# Short-Description: Put a short description of the service here
+# Description: Put a long description of the service here
+### END INIT INFO
+ 
+# Change the next 3 lines to suit where you install your script and what you want to call it
+DIR=/srv/powerpi
+DAEMON=$DIR/power.py
+DAEMON_NAME=PowerPi
+ 
+# Add any command line options for your daemon here
+DAEMON_OPTS=""
+ 
+# This next line determines what user the script runs as.
+# Root generally not recommended but necessary if you are using the Raspberry Pi GPIO from Python.
+DAEMON_USER=root
+ 
+# The process ID of the script when it runs is stored here:
+PIDFILE=/var/run/$DAEMON_NAME.pid
+ 
+. /lib/lsb/init-functions
+ 
+do_start () {
+log_daemon_msg "Starting system $DAEMON_NAME daemon"
+start-stop-daemon --start --background --pidfile $PIDFILE --make-pidfile --user $DAEMON_USER --chuid $DAEMON_USER --startas $DAEMON -- $DAEMON_OPTS
+log_end_msg $?
+}
+do_stop () {
+log_daemon_msg "Stopping system $DAEMON_NAME daemon"
+start-stop-daemon --stop --pidfile $PIDFILE --retry 10
+log_end_msg $?
+}
+ 
+case "$1" in
+ 
+start|stop)
+do_${1}
+;;
+ 
+restart|reload|force-reload)
+do_stop
+do_start
+;;
+ 
+status)
+status_of_proc "$DAEMON_NAME" "$DAEMON" && exit 0 || exit $?
+;;
+*)
+echo "Usage: /etc/init.d/$DAEMON_NAME {start|stop|restart|status}"
+exit 1
+;;
+ 
+esac
+exit 0 
diff --git a/powertrans b/powertrans
new file mode 100755
index 0000000..403929c
--- /dev/null
+++ b/powertrans
@@ -0,0 +1,61 @@
+#!/bin/sh
+ 
+### BEGIN INIT INFO
+# Provides: powertrans
+# Required-Start: $remote_fs $syslog
+# Required-Stop: $remote_fs $syslog
+# Default-Start: 2 3 4 5
+# Default-Stop: 0 1 6
+# Short-Description: Put a short description of the service here
+# Description: Put a long description of the service here
+### END INIT INFO
+ 
+# Change the next 3 lines to suit where you install your script and what you want to call it
+DIR=/srv/powerpi
+DAEMON=$DIR/transfer.sh
+DAEMON_NAME=PowerTrans
+ 
+# Add any command line options for your daemon here
+DAEMON_OPTS=""
+ 
+# This next line determines what user the script runs as.
+# Root generally not recommended but necessary if you are using the Raspberry Pi GPIO from Python.
+DAEMON_USER=pi
+ 
+# The process ID of the script when it runs is stored here:
+PIDFILE=/var/run/$DAEMON_NAME.pid
+ 
+. /lib/lsb/init-functions
+ 
+do_start () {
+log_daemon_msg "Starting system $DAEMON_NAME daemon"
+start-stop-daemon --start --background --pidfile $PIDFILE --make-pidfile --user $DAEMON_USER --chuid $DAEMON_USER --startas $DAEMON -- $DAEMON_OPTS
+log_end_msg $?
+}
+do_stop () {
+log_daemon_msg "Stopping system $DAEMON_NAME daemon"
+start-stop-daemon --stop --pidfile $PIDFILE --retry 10
+log_end_msg $?
+}
+ 
+case "$1" in
+ 
+start|stop)
+do_${1}
+;;
+ 
+restart|reload|force-reload)
+do_stop
+do_start
+;;
+ 
+status)
+status_of_proc "$DAEMON_NAME" "$DAEMON" && exit 0 || exit $?
+;;
+*)
+echo "Usage: /etc/init.d/$DAEMON_NAME {start|stop|restart|status}"
+exit 1
+;;
+ 
+esac
+exit 0 
diff --git a/transfer.sh b/transfer.sh
new file mode 100755
index 0000000..e50b357
--- /dev/null
+++ b/transfer.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+host="http://datengammelstelle.de/hq_strom"
+
+while true; do 
+	sleep 5; 
+	wget $host/get.php?val=$(tail -1 /srv/powerpi/power.out) -O /dev/null -q
+done