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watt.py elwa #1564

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Sep 8, 2021
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watt.py elwa #1564

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233 changes: 118 additions & 115 deletions modules/smarthome/elwa/watt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,126 +17,129 @@
file_stringpv= '/var/www/html/openWB/ramdisk/smarthome_device_' + str(devicenumber) + '_pv'
file_stringcount= '/var/www/html/openWB/ramdisk/smarthome_device_' + str(devicenumber) + '_count'
file_stringcount5= '/var/www/html/openWB/ramdisk/smarthome_device_' + str(devicenumber) + '_count5'
powerc = 0
# pv modus
pvmodus = 0
if os.path.isfile(file_stringpv):
f = open( file_stringpv , 'r')
pvmodus =int(f.read())
f.close()
# aktuelle Leistung lesen
client = ModbusTcpClient(ipadr, port=502)
#
start = 1000
resp=client.read_holding_registers(start,20,unit=1)
value1 = resp.registers[0]
all = format(value1, '04x')
aktpower= int(struct.unpack('>h',codecs.decode(all, 'hex'))[0])
count5 = 999
if os.path.isfile(file_stringcount5):
f = open( file_stringcount5, 'r')
count5 =int(f.read())
f.close()
f = open( file_stringcount5, 'r')
count5 =int(f.read())
f.close()
count5=count5+1
if count5 > 3:
count5=0
count5=0
f = open( file_stringcount5 , 'w')
f.write(str(count5))
f.close()
if count5==0:
# pv modus
pvmodus = 0
if os.path.isfile(file_stringpv):
f = open( file_stringpv , 'r')
pvmodus =int(f.read())
f.close()
# log counter
count1 = 999
if os.path.isfile(file_stringcount):
f = open( file_stringcount , 'r')
count1 =int(f.read())
f.close()
count1=count1+1
# aktuelle Leistung lesen
client = ModbusTcpClient(ipadr, port=502)
#
#start = 3524
#resp=client.read_input_registers(start,20,unit=1)
start = 1000
resp=client.read_holding_registers(start,20,unit=1)
value1 = resp.registers[0]
all = format(value1, '04x')
#aktpower= int(struct.unpack('>h', all.decode('hex'))[0])
aktpower= int(struct.unpack('>h',codecs.decode(all, 'hex'))[0])
value1 = resp.registers[3]
all = format(value1, '04x')
status= int(struct.unpack('>h',codecs.decode(all, 'hex') )[0])
value1 = resp.registers[14]
all = format(value1, '04x')
fuse= int(struct.unpack('>h',codecs.decode(all, 'hex') )[0])
# logik
if fuse == 13:
faktor = 1.2
else:
faktor = 1
modbuswrite = 0
# weiche Anpassung bei negativem ueberschuss
if uberschuss < 0:
neupower = aktpower + uberschuss
else:
neupower = int(uberschuss * faktor) + aktpower
if neupower < 0:
neupower = 0
if neupower > 4000:
neupower = 4000
# status nach handbuch
#
#2 Heat
#3 Standby
#4 Boost heat
#5 Heat finished
#9 Setup
#201 Error Overtemp Fuse blown
#202 Error Overtemp measured
#203 Error Overtemp Electronics
#204 Error Hardware Fault
#205 Error Temp Sensor
# boost heat dran ?, nichts schicken
if status == 4:
neupower = 0
modbuswrite = 0
else:
# solar heizen dran ?
if status == 2:
# dann 0 schicken wenn kein pvmodus mehr
if pvmodus == 0:
modbuswrite = 1
neupower = 0
# sonst wenn pv modus lauft , ueberschuss schicken
else:
modbuswrite = 1
# wenn nicht solarheizen und nicht bost heat, auch ueberschuss schicken wenn pv modus lauft
else:
if pvmodus == 1:
modbuswrite = 1
#Sonst nichts schicken
# test only faken aktpower
#if pvmodus == 1:
# aktpower = neupower
#else:
# aktpower = 0
# test only
#json return power = aktuelle Leistungsaufnahme in Watt, on = 1 pvmodus, powerc = counter in kwh
#answer = '{"power":225,"on":0} '
powerc = 0
answer = '{"power":' + str(aktpower) + ',"powerc":' + str(powerc) + ',"on":' + str(pvmodus) + '} '
f1 = open('/var/www/html/openWB/ramdisk/smarthome_device_ret' + str(devicenumber), 'w')
json.dump(answer,f1)
f1.close()
# logschreiben
if count1 > 80:
count1=0
#mehr log schreiben
if count1 < 3:
if os.path.isfile(file_string):
f = open( file_string , 'a')
else:
f = open( file_string , 'w')
print ('%s devicenr %s ipadr %s ueberschuss %6d Akt Leistung %6d Status %2d' % (time_string,devicenumber,ipadr,uberschuss,aktpower,status),file=f)
print ('%s devicenr %s ipadr %s Neu Leistung %6d pvmodus %1d modbuswrite %1d ' % (time_string,devicenumber,ipadr,neupower,pvmodus,modbuswrite),file=f)
f.close()
f = open( file_stringcount , 'w')
f.write(str(count1))
f.close()
# modbus write
if modbuswrite == 1:
rq = client.write_register(1000, neupower, unit=1)
if count1 < 3:
f = open( file_string , 'a')
print ('%s devicenr %s ipadr %s device written by modbus ' % (time_string,devicenumber,ipadr),file=f)
f.close()
# log counter
count1 = 999
if os.path.isfile(file_stringcount):
f = open( file_stringcount , 'r')
count1 =int(f.read())
f.close()
count1=count1+1
# status und fuse lesen
value1 = resp.registers[3]
all = format(value1, '04x')
status= int(struct.unpack('>h',codecs.decode(all, 'hex') )[0])
value1 = resp.registers[14]
all = format(value1, '04x')
fuse= int(struct.unpack('>h',codecs.decode(all, 'hex') )[0])
# logik
if fuse == 13:
faktor = 1.2
else:
faktor = 1
modbuswrite = 0
# weiche Anpassung bei negativem ueberschuss
if uberschuss < 0:
neupower = aktpower + uberschuss
else:
neupower = int(uberschuss * faktor) + aktpower
if neupower < 0:
neupower = 0
if neupower > 4000:
neupower = 4000
# status nach handbuch
#
#2 Heat
#3 Standby
#4 Boost heat
#5 Heat finished
#9 Setup
#201 Error Overtemp Fuse blown
#202 Error Overtemp measured
#203 Error Overtemp Electronics
#204 Error Hardware Fault
#205 Error Temp Sensor
# boost heat dran ?, nichts schicken
if status == 4:
neupower = 0
modbuswrite = 0
else:
# solar heizen dran ?
if status == 2:
# dann 0 schicken wenn kein pvmodus mehr
if pvmodus == 0:
modbuswrite = 1
neupower = 0
# sonst wenn pv modus lauft , ueberschuss schicken
else:
modbuswrite = 1
# wenn nicht solarheizen und nicht bost heat, auch ueberschuss schicken wenn pv modus lauft
else:
if pvmodus == 1:
modbuswrite = 1
#Sonst nichts schicken
# test only faken aktpower
#if pvmodus == 1:
# aktpower = neupower
#else:
# aktpower = 0
# test only
#json return power = aktuelle Leistungsaufnahme in Watt, on = 1 pvmodus, powerc = counter in kwh
#answer = '{"power":225,"on":0} '
answer = '{"power":' + str(aktpower) + ',"powerc":' + str(powerc) + ',"on":' + str(pvmodus) + '} '
f1 = open('/var/www/html/openWB/ramdisk/smarthome_device_ret' + str(devicenumber), 'w')
json.dump(answer,f1)
f1.close()
# logschreiben
if count1 > 80:
count1=0
#mehr log schreiben
if count1 < 3:
if os.path.isfile(file_string):
f = open( file_string , 'a')
else:
f = open( file_string , 'w')
print ('%s devicenr %s ipadr %s ueberschuss %6d Akt Leistung %6d Status %2d' % (time_string,devicenumber,ipadr,uberschuss,aktpower,status),file=f)
print ('%s devicenr %s ipadr %s Neu Leistung %6d pvmodus %1d modbuswrite %1d ' % (time_string,devicenumber,ipadr,neupower,pvmodus,modbuswrite),file=f)
f.close()
f = open( file_stringcount , 'w')
f.write(str(count1))
f.close()
# modbus write
if modbuswrite == 1:
rq = client.write_register(1000, neupower, unit=1)
if count1 < 3:
f = open( file_string , 'a')
print ('%s devicenr %s ipadr %s device written by modbus ' % (time_string,devicenumber,ipadr),file=f)
f.close()
else:
answer = '{"power":' + str(aktpower) + ',"powerc":' + str(powerc) + ',"on":' + str(pvmodus) + '} '
f1 = open('/var/www/html/openWB/ramdisk/smarthome_device_ret' + str(devicenumber), 'w')
json.dump(answer,f1)
f1.close()