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https://github.com/warkanum/warkanums-pi-device-snippets.git
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Added special init.d scripts for debian
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221
build1/boot_special.py
Executable file
221
build1/boot_special.py
Executable file
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#!/opt/python3.3/bin/python3.3
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from threading import Thread
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import RPi.GPIO as GPIO
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import time
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import datetime
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import os
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import sys
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import dht11_sensor
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import psycopg2
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import copy
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###-----------------Hardware Settings-----------------------
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PIN_LC=25 #Light Sensor (GPIO.IN, pull_up_down=GPIO.PUD_UP)
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PIN_MC=17 #Motion Sensor (GPIO.IN, pull_up_down=GPIO.PUD_UP)
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PIN_TC=4 #Temp Sensor (GPIO.IN, pull_up_down=GPIO.PUD_UP)
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PIN_TC_WP=7 #Temp Sensor #Wirepi pin 7
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PIN_LED1=23 #LED Blue 1
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PIN_LED2=24 #LED Blue 2
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###------------------SQL Settings-----------------------------
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SQL_SRV='127.0.0.1'
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SQL_USER='pistats'
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SQL_PASSWD='pistats'
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SQL_DB='pistats'
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#setup pins. Some are setup by functions below.
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(PIN_LED1,GPIO.OUT)
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GPIO.setup(PIN_LED2,GPIO.OUT)
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GPIO.setup(PIN_MC, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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#dim leds
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GPIO.output(PIN_LED1,GPIO.LOW)
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GPIO.output(PIN_LED2,GPIO.LOW)
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def UnixLocalEpoch():
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dt = datetime.datetime.now()
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return int((dt - datetime.datetime(1970,1,1)).total_seconds())
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def PhotoSensor(RCpin):
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reading = 0
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GPIO.setup(RCpin, GPIO.OUT)
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GPIO.output(RCpin, GPIO.LOW)
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time.sleep(0.1)
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GPIO.setup(RCpin, GPIO.IN)
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# This takes about 1 millisecond per loop cycle
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while (GPIO.input(RCpin) == GPIO.LOW):
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reading += 1
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return reading
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def TempsensorRead():
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### Loop through the temp sensor library until we get a valid reading ###
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for i in range(1,100):
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data = dht11_sensor.read(PIN_TC_WP)
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#print('Temp={0}*C Humidity={1}% Status={2} Error={3}'.format(data['temperature'], data['humidity'], data['valid'], data['err']))
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if data['valid'] == 1:
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return data
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return None
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def save_data(p_SensorValues):
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try:
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sql_con = psycopg2.connect(host=SQL_SRV, user=SQL_USER,password=SQL_PASSWD,database=SQL_DB)
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sql_cur = sql_con.cursor()
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print('2temp->' + str(p_SensorValues['temperature']['save']))
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print('2light->' + str(p_SensorValues['light']['save']))
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print('2motion->' + str(p_SensorValues['motion']['save']))
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if p_SensorValues.get('motion', None):
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sql_cur.execute("""select id, data_read from sensordata
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where sensor_type = 'motion' order by id desc limit 1""")
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data = sql_cur.fetchone()
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if not data or p_SensorValues['motion']['save']: #(data and str(data[1]) != str(p_SensorValues['motion']['data'])):
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sql_cur.execute("""INSERT INTO sensordata (sensor_type, data_read, date_added,time_added)
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VALUES (%s, %s, TIMESTAMP 'epoch' + %s * INTERVAL '1 second',TIMESTAMP 'epoch' + %s * INTERVAL '1 second')""",
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('motion', p_SensorValues['motion']['data'], p_SensorValues['motion']['read'],p_SensorValues['motion']['read'] ))
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if p_SensorValues.get('light', None):
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sql_cur.execute("select id, data_read from sensordata where sensor_type = 'light' order by id desc limit 1")
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data = sql_cur.fetchone()
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#we have a +- 10 variance on light.
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if not data or p_SensorValues['light']['save']: #(data and (int(p_SensorValues['light']['data']) > int(data[1])+10 or int(p_SensorValues['light']['data']) < int(data[1]) - 10) ):
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sql_cur.execute("""INSERT INTO sensordata (sensor_type, data_read, date_added,time_added)
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VALUES(%s, %s, TIMESTAMP 'epoch' + %s * INTERVAL '1 second',TIMESTAMP 'epoch' + %s * INTERVAL '1 second')""",
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('light', p_SensorValues['light']['data'], p_SensorValues['light']['read'],p_SensorValues['light']['read'] ))
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if p_SensorValues.get('temperature', None):
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sql_cur.execute("select id, data_read from sensordata where sensor_type = 'temperature' order by id desc limit 1")
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data = sql_cur.fetchone()
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if not data or p_SensorValues['temperature']['save']: #(data and str(data[1]) != str(p_SensorValues['temperature']['temperature'])):
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sql_cur.execute("""INSERT INTO sensordata (sensor_type, data_read, date_added,time_added)
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VALUES(%s, %s, TIMESTAMP 'epoch' + %s * INTERVAL '1 second',TIMESTAMP 'epoch' + %s * INTERVAL '1 second')""",
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('temperature', p_SensorValues['temperature']['temperature'], p_SensorValues['temperature']['read'], p_SensorValues['temperature']['read'] ))
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if p_SensorValues.get('temperature', None):
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sql_cur.execute("select id, data_read from sensordata where sensor_type = 'humidity' order by id desc limit 1")
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data = sql_cur.fetchone()
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if not data or p_SensorValues['temperature']['save']:#(data and str(data[1]) != str(p_SensorValues['temperature']['humidity'])):
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sql_cur.execute("""INSERT INTO sensordata (sensor_type, data_read, date_added,time_added)
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VALUES(%s, %s, TIMESTAMP 'epoch' + %s * INTERVAL '1 second',TIMESTAMP 'epoch' + %s * INTERVAL '1 second')""",
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('humidity', p_SensorValues['temperature']['humidity'], p_SensorValues['temperature']['read'], p_SensorValues['temperature']['read'] ))
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sql_con.commit()
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sql_cur.close()
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sql_con.close()
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except psycopg2.Error as e:
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print("SQL error in save_data: " + str(e))
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except Exception as e:
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print("Unknown error in save_data: " + str(e))
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def main():
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SensorValue = {}
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TICK_LT = 0 #light detect ticker
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TICK_LTI = 0 #light insert ticker
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TICK_TMP = 0 #temp ticker
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BlueLed = False
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while True:
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changed = False
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motionData = GPIO.input(PIN_MC)
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if not SensorValue.get('motion', None):
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SensorValue['motion'] = {'data': motionData , 'read': UnixLocalEpoch(), 'changed': UnixLocalEpoch(), 'save': False}
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SensorValue['motion']['save'] = False
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if int(SensorValue['motion'].get('data', 0)) != int(motionData) :
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changed = True
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SensorValue['motion']['changed'] = UnixLocalEpoch()
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SensorValue['motion']['save'] = True
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SensorValue['motion']['data'] = int(motionData)
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SensorValue['motion']['read'] = UnixLocalEpoch()
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if (SensorValue['motion']['data'] > 0):
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#GPIO.output(PIN_LED1,GPIO.HIGH) #flash led
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SensorValue['motion']['lastmotion'] = UnixLocalEpoch()
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BlueLed = True
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else:
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#GPIO.output(PIN_LED1,GPIO.LOW) #flash led stop
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BlueLed = False
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#Measure Light
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if not SensorValue.get('light', None):
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SensorValue['light'] = {'data': PhotoSensor(PIN_LC) , 'read': UnixLocalEpoch(), 'save': False }
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SensorValue['light']['save'] = False
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lightChanges = 0
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if (TICK_LT < time.perf_counter()):
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TICK_LT = time.perf_counter()+1
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lightData = PhotoSensor(PIN_LC)
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lightChanges = abs(SensorValue['light'].get('data', 0) - lightData)
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#print("LC->" + str(lightData ) + "DF:" + str(lightChanges))
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if (TICK_LTI < time.perf_counter() or (lightData > 600 and lightChanges > 200) or (lightData < 600 and lightChanges > 30)):
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TICK_LTI = time.perf_counter()+30
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if SensorValue['light'].get('data', 0) != lightData :
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changed = True
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SensorValue['light']['changed'] = UnixLocalEpoch()
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SensorValue['light']['save'] = True
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SensorValue['light']['data'] = lightData
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SensorValue['light']['read'] = UnixLocalEpoch()
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#Measure Temprature, this might hold the thread for a few seconds at most.
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if not SensorValue.get('temperature', None):
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SensorValue['temperature'] = {'temperature': 0, 'humidity': 0, 'changed': 0, 'save': False}
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SensorValue['temperature']['save'] = False
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if (TICK_TMP < time.perf_counter()):
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TICK_TMP = time.perf_counter()+10
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tempData = TempsensorRead()
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if tempData:
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print('temperature reading...')
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if (SensorValue['temperature'].get('temperature', 0) != tempData['temperature']
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or SensorValue['temperature'].get('humidity', 0) != tempData['humidity']):
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SensorValue['temperature']['changed'] = UnixLocalEpoch()
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SensorValue['temperature']['temperature'] = tempData['temperature']
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SensorValue['temperature']['humidity'] = tempData['humidity']
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SensorValue['temperature']['save'] = True
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changed = True
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SensorValue['temperature']['read'] = UnixLocalEpoch()
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if changed:
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print('---------------change-------------')
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print('temp->' + str(SensorValue['temperature']['save']))
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print('light->' + str(SensorValue['light']['save']))
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print('motion->' + str(SensorValue['motion']['save']))
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#Gosh we need a copy cause sql can be to slow sometimes
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ThreadsData = copy.deepcopy(SensorValue)
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t = Thread(target=save_data, args=(ThreadsData,))
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t.start()
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time.sleep(0.01)
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if __name__ == '__main__':
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sys.exit(main())
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61
build1/debian/pydev-warkanum
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61
build1/debian/pydev-warkanum
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#!/bin/sh
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### BEGIN INIT INFO
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# Provides: myservice
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# Required-Start: $remote_fs $syslog
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# Required-Stop: $remote_fs $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Put a short description of the service here
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# Description: Put a long description of the service here
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### END INIT INFO
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# Change the next 3 lines to suit where you install your script and what you want to call it
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DIR=/home/warkanum/pi_modules/warkanums-pi-device-snippets/build1
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DAEMON=$DIR/boot_special.py
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DAEMON_NAME=PyDevWarkanum
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# Add any command line options for your daemon here
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DAEMON_OPTS=""
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# This next line determines what user the script runs as.
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# Root generally not recommended but necessary if you are using the Raspberry Pi GPIO from Python.
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DAEMON_USER=root
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# The process ID of the script when it runs is stored here:
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PIDFILE=/var/run/$DAEMON_NAME.pid
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. /lib/lsb/init-functions
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do_start () {
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log_daemon_msg "Starting system $DAEMON_NAME daemon"
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start-stop-daemon --start --background --pidfile $PIDFILE --make-pidfile --user $DAEMON_USER --chuid $DAEMON_USER --startas $DAEMON -- $DAEMON_OPTS
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log_end_msg $?
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}
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do_stop () {
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log_daemon_msg "Stopping system $DAEMON_NAME daemon"
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start-stop-daemon --stop --pidfile $PIDFILE --retry 10
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log_end_msg $?
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}
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case "$1" in
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start|stop)
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do_${1}
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;;
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restart|reload|force-reload)
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do_stop
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do_start
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;;
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status)
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status_of_proc "$DAEMON_NAME" "$DAEMON" && exit 0 || exit $?
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;;
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*)
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echo "Usage: /etc/init.d/$DAEMON_NAME {start|stop|restart|status}"
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exit 1
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;;
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esac
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exit 0
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