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Logger.py
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150
Logger.py
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import machine
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import os
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import TimeUtils
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class Logger():
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def __init__(self, hk_days):
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self.hk_days = hk_days
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self.TimeUtils = TimeUtils.TimeUtils()
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self.tempLogFile = True
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self.tempSoilFile = True
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if not "logs" in os.listdir():
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os.mkdir("/logs")
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if not "soil" in os.listdir():
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os.mkdir("/soil")
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def LogMessage(self, message):
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print(message)
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lfname = "/logs/temp.txt"
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if not self.tempLogFile:
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dt = machine.RTC().datetime()
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lfname = ("/logs/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2]))
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dt = machine.RTC().datetime()
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file = open(lfname, "a")
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file.write(self.TimeUtils.DateTimeNow() + ";" + message + "\n")
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file.close()
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def LogSoil(self, message):
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print(message)
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lfname = "/soil/temp.txt"
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if not self.tempSoilFile:
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dt = machine.RTC().datetime()
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lfname = ("/soil/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2]))
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dt = machine.RTC().datetime()
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file = open(lfname, "a")
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file.write(self.TimeUtils.DateTimeNow() + ";" + str(message) + "\n")
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file.close()
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def Housekeeping(self):
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for file in os.listdir("/logs"):
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if (file.endswith(".txt")) and not (file == "temp.txt"):
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fd = file.split('.')[0].split('-')
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if (self.TimeUtils.IsOlderThanDays(fd, self.hk_days)):
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os.remove("/logs/" + file)
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self.LogMessage("Housekeeping: deleted logfile " + file)
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for file in os.listdir("/soil"):
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if (file.endswith(".txt")) and not (file == "temp.txt"):
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fd = file.split('.')[0].split('-')
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if (self.TimeUtils.IsOlderThanDays(fd, self.hk_days)):
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os.remove("/soil/" + file)
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self.LogMessage("Housekeeping: deleted soilfile " + file)
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def LastLogs(self, lines):
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logfilename = "/logs/temp.txt"
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if not self.tempLogFile:
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dt = machine.RTC().datetime()
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logfilename = ("/logs/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2]))
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bufsize = 4096
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fsize = os.stat(logfilename)[6]
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iter = 0
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with open(logfilename, "r") as logfile:
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line_count = 0
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for line in logfile:
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line_count += 1
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if (lines > line_count):
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lines = line_count
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#todo if lines from todays logfile are less than the number of requested lines, read missing lines from yesterdays logfile - only if not tempLogFile!
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if bufsize > fsize:
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bufsize = fsize - 1
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fetched_lines = []
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while True:
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iter += 1
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try:
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logfile.seek(fsize - bufsize * iter)
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fetched_lines.extend(logfile.readlines())
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except:
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return "eof"
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break
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if len(fetched_lines) >= lines or logfile.tell() == 0:
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return "<br>".join(fetched_lines[-lines:])
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break
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def LastSoils(self, lines):
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logfilename = "/soil/temp.txt"
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if not self.tempLogFile:
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dt = machine.RTC().datetime()
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logfilename = ("/soil/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2]))
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bufsize = 4096
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fsize = os.stat(logfilename)[6]
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iter = 0
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with open(logfilename, "r") as logfile2:
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line_count = 0
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for line in logfile2:
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line_count += 1
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if (lines > line_count):
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lines = line_count
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#todo if lines from todays logfile are less than the number of requested lines, read missing lines from yesterdays logfile - only if not tempLogFile!
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if bufsize > fsize:
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bufsize = fsize - 1
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fetched_lines = []
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while True:
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iter += 1
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try:
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logfile2.seek(fsize - bufsize * iter)
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fetched_lines.extend(logfile2.readlines())
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except:
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return "eof"
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break
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if len(fetched_lines) >= lines or logfile2.tell() == 0:
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return "<br>".join(fetched_lines[-lines:])
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break
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def MergeTempLogfile(self):
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if not self.tempLogFile:
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tempLines = 0
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try:
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with open("/logs/temp.txt", "r") as tempfile:
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tlines = tempfile.readlines()
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dt = machine.RTC().datetime()
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with open(("/logs/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2])), "a") as logfile:
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for line in tlines:
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tempLines += 1
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logfile.write(line)
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os.remove("/logs/temp.txt")
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self.LogMessage("Merged " + str(tempLines) + " lines from temp-logfile into this logfile")
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except OSError:
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pass
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def MergeTempSoilfile(self):
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if not self.tempSoilFile:
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tempLines = 0
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try:
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with open("/soil/temp.txt", "r") as tempfile:
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tlines = tempfile.readlines()
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dt = machine.RTC().datetime()
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with open(("/soil/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2])), "a") as logfile:
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for line in tlines:
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tempLines += 1
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logfile.write(line)
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os.remove("/soil/temp.txt")
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self.LogMessage("Merged " + str(tempLines) + " lines from temp-soilfile into todays soilfile")
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except OSError:
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pass
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def DisableTempLogfile(self):
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self.tempLogFile = False
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self.MergeTempLogfile()
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def DisableTempSoilfile(self):
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self.tempSoilFile = False
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self.MergeTempSoilfile()
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38
NTP.py
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38
NTP.py
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import utime as time
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import socket
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import ustruct as struct
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import machine
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class NTP():
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def __init__(self, Logger):
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self.Logger = Logger
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def SetRTCTimeFromNTP(self, host, gmt_offset, auto_summertime):
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self.Logger.LogMessage("getting date and time from NTP " + host)
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NTP_DELTA = 2208988800
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NTP_QUERY = bytearray(48)
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NTP_QUERY[0] = 0x1B
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addr = socket.getaddrinfo(host, 123)[0][-1]
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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try:
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s.settimeout(5)
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res = s.sendto(NTP_QUERY, addr)
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msg = s.recv(48)
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except Exception as err:
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self.Logger.LogMessage("Error: " + str(err))
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return False
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finally:
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s.close()
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ntp_time = struct.unpack("!I", msg[40:44])[0] + (3600 * gmt_offset) #gmt offset from config
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tm = time.gmtime(ntp_time - NTP_DELTA)
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if (auto_summertime):
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self.Logger.LogMessage("performing auto_summertime adjustment")
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#Time of March change for the current year
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t1 = time.mktime((tm[0],3,(31-(int(5*tm[0]/4+4))%7),1,0,0,0,0))
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#Time of October change for the current year
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t2 = time.mktime((tm[0],10,(31-(int(5*tm[0]/4+1))%7),1,0,0,0,0))
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t = time.mktime((tm[0], tm[1], tm[2], tm[6] + 1, tm[3], tm[4], tm[5], 0))
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if t >= t1 and t < t2:
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tm = time.gmtime(ntp_time - NTP_DELTA + 3600)
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machine.RTC().datetime((tm[0], tm[1], tm[2], tm[6] + 1, tm[3], tm[4], tm[5], 0))
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return True
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79
Networking.py
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79
Networking.py
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import network
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import ubinascii
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import Logger
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import machine
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import time
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wlan = network.WLAN(network.STA_IF)
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led = machine.Pin('LED', machine.Pin.OUT)
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class Networking():
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def __init__(self, Logger, ssid, pw):
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self.ssid = ssid
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self.pw = pw
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self.Logger = Logger
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def Connect(self, disable_wifi_powersavingmode):
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global wlan
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wlan.active(True)
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#wlan.config(hostname=configs['hostname'])
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if (disable_wifi_powersavingmode):
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wlan.config(pm = 0xa11140)
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self.Logger.LogMessage("mac = " + self.GetMACAddress())
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self.Logger.LogMessage("channel = " + str(wlan.config('channel')))
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self.Logger.LogMessage("essid = " + str(wlan.config('essid')))
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self.Logger.LogMessage("txpower = " + str(wlan.config('txpower')))
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wlan.connect(self.ssid, self.pw)
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timeout = 30
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while timeout > 0:
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if wlan.status() < 0 or wlan.status() >= 3:
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break
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timeout -= 1
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self.Logger.LogMessage('Waiting for connection...')
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time.sleep(1)
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# Wlan Status on LED
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# Handle connection error
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# Error meanings
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# 0 Link Down
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# 1 Link Join
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# 2 Link NoIp
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# 3 Link Up
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# -1 Link Fail
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# -2 Link NoNet
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# -3 Link BadAuth
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def Status(self):
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global wlan
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wlan_status = wlan.status()
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self.BlinkOnboardLED(wlan_status)
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if wlan_status != 3:
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#raise RuntimeError('Wi-Fi connection failed')
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return False
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else:
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self.Logger.LogMessage('Connected')
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status = wlan.ifconfig()
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self.Logger.LogMessage('ip = ' + status[0])
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return True
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# Blinkfunktion der Onboard-LED für Errorcodes
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def BlinkOnboardLED(self, num_blinks):
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global led
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for i in range(num_blinks):
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led.on()
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time.sleep(.2)
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led.off()
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time.sleep(.2)
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def GetMACAddress(self):
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return ubinascii.hexlify(network.WLAN().config('mac'),':').decode()
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def GetIPAddress(self):
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global wlan
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return wlan.ifconfig()[0]
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def IsWifiConnected(self):
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global wlan
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if wlan.status() == 3:
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return "W"
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else:
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return " "
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16
TimeUtils.py
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16
TimeUtils.py
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import utime as time
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class TimeUtils():
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def __init__(self):
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pass
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def DateTimeNow(self):
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tm = time.gmtime()
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return "%02d.%02d.%04d,%02d:%02d" % (tm[2], tm[1], tm[0], tm[3], tm[4])
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def IsOlderThanDays(self, date, days):
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fdate = time.mktime((int(date[0]), int(date[1]), int(date[2]), 0, 0, 0, 0, 0))
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if (fdate + (int(days) * 86400) <= time.time()):
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return True
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else:
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return False
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