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Datenbankunterstützung und Buffer

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* CANFilter kann jetzt empfangene Daten in eine MySQL Datenbank schreiben.
* rest-api.py wurde in API.py umbenannt.
* Buffer wurde zu einer Klasse umstrukturiert.
This commit is contained in:
Philipp Rauch 2013-11-14 17:08:19 +01:00
parent 47ecc5fbe2
commit 5df7ae564a
3 changed files with 258 additions and 248 deletions
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47
scr/CANFilter.py
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@ -2,15 +2,15 @@
Created on 13.11.2013
@author: Philipp Rauch
@version: 0.01
@version: 0.02
'''
from CanMessage import CanMessage
from CanSignal import CanSignal
from PCan import PcanAdapter
import datetime
import time
import sys
import MySQLdb
#import MySQLdb
debug = False
@ -53,10 +53,10 @@ pcan.Messages['dc_pv'].addSignal( voltage )
pcan.Messages['dc_charging'].addSignal( current )
pcan.Messages['dc_charging'].addSignal( voltage )
battery_current = []
battery_voltage = []
battery_capacity = []
battery_timestamp = []
battery_current, battery_voltage, battery_capacity, battery_timestamp = [], [], [], []
#connection = MySQLdb.connect("url", "user", "passwort", "datenbankname")
#cursor = connection.cursor()
def mean(l):
return float(sum(l))/len(l) if len(l) > 0 else 0
@ -68,21 +68,22 @@ while True:
battery_current.append(pcan.Messages['dc_battery'].Signals['current'].GetData())
battery_voltage.append(pcan.Messages['dc_battery'].Signals['voltage'].GetData())
battery_capacity.append(pcan.Messages['dc_battery'].Signals['capacity'].GetData())
battery_timestamp.append(pcan.Messages['dc_battery'].timestamp)
battery_timestamp.append(str(datetime.datetime.now()))
if len(battery_timestamp) == 10:
if len(battery_timestamp) == 1000:
if debug:
print 'current: ', battery_current
print 'voltage: ', battery_voltage
print 'SoC: ', battery_capacity
print 'time: ', battery_timestamp
print 'current: ', mean(battery_current)
print 'voltage: ', mean(battery_voltage)
print 'SoC: ', mean(battery_capacity)
print 'time: ', mean(battery_timestamp)
del battery_current[:]
del battery_voltage[:]
del battery_capacity[:]
del battery_timestamp[:]
time.sleep(0.01)
print 'current: ', mean(battery_current)
print 'voltage: ', mean(battery_voltage)
print 'SoC: ', mean(battery_capacity)
print 'time: ', mean(battery_timestamp)
tabelle = 'EMS-TEST'
daten = [(tabelle, str(battery_timestamp[i]), str(battery_current[i]), str(battery_voltage[i]), str(battery_capacity[i])) for i in range(1000)]
sql = 'INSERT INTO %s VALUES(%s, %s, %s, %s)'
for i in daten:
print sql % i
# cursor.executemany(sql, daten)
del battery_current[:], battery_voltage[:], battery_capacity[:], battery_timestamp[:]
time.sleep(0.01)