heavy experimental stuff
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parent
8e990bc1bd
commit
214a2a054e
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@ -5,6 +5,7 @@ import serial, sys
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import os
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from datetime import datetime
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from bitstring import BitArray
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import paho.mqtt.publish as publish
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serial_timeout=0.1
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@ -24,13 +25,63 @@ pvfaultdesc[5]="solar panel array1 over-voltage protection"
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pvfaultdesc[6]="delayed protection phase for load overcurrent"
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pvfaultdesc[7]="shut the load compulsively"
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mqtt_broker = "mqtt.wh5"
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mains_need_change = 0
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mains_on_ok = 0
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fucker_reset_enabled = 0 #(0: enabled, 1: disabled)
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short_circuit_error = 0
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mains_1_switchstate = 42
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mains_2_switchstate = 42
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def mains(port, state):
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global mains_1_switchstate
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global mains_2_switchstate
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if state == 'on':
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state == 1
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elif state == 'off':
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state == 0
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else:
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print("unknown state %s" % state)
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if port == 1:
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if mains_1_switchstate != state:
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publish.single("bikeport-1/relay/0/set", state , hostname=mqtt_broker)
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print("switched mains port 1 to %s" % state)
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mains_1_switchstate = state
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return
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if port == 2:
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if mains_2_switchstate != state:
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publish.single("bikeport-2/relay/0/set", state , hostname=mqtt_broker)
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print("switched mains port 2 to %s" % state)
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mains_2_switchstate = state
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return
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if port == 'all':
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mains(1, state)
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mains(2, state)
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return
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else:
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print("unknown mains port %s" % port)
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def get_mains_status():
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print('')
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print('MAINS:')
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global mains_1_switchstate
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global mains_2_switchstate
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if mains_1_switchstate != 42:
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sys.stdout.write('Mains Switch 1:')
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sys.stdout.write('\t\t\t')
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sys.stdout.write(str(mains_1_switchstate))
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sys.stdout.write('\n')
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if mains_2_switchstate != 42:
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sys.stdout.write('Mains Switch 2:')
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sys.stdout.write('\t\t\t')
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sys.stdout.write(str(mains_2_switchstate))
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sys.stdout.write('\n\n')
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else:
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print("just started, no information about mains switch states yet")
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print('')
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def pvstatusbit(bit):
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if bit == '1':
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@ -66,18 +117,84 @@ def pvstatus():
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else :
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sys.stdout.write('Voltage communication error!')
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def pv_reset_lowvoltage():
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print("Reset Unterspannungs Sicherung:")
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ser = serial.Serial('/dev/ttyUSB0', 9600, timeout=serial_timeout)
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command = "\x01\x51\x00\x00\x00\x00\x39"
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global byte3
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global byte4
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ser.flushInput() #clear buffer
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ser.write(command) #send prepared command
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ser.close()
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print("DONE")
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def pv_reset_shortcuircuit():
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print("Reset Kurzschluss Sicherung:")
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ser = serial.Serial('/dev/ttyUSB0', 9600, timeout=serial_timeout)
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command = "\x01\x53\x00\x00\x00\x00\xAE"
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global byte3
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global byte4
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ser.flushInput() #clear buffer
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ser.write(command) #send prepared command
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ser.close()
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print("DONE")
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def pv_reset_overcurrent():
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print("Reset Ueberlast Sicherung:")
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ser = serial.Serial('/dev/ttyUSB0', 9600, timeout=serial_timeout)
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command = "\x01\x52\x00\x00\x00\x00\x7D"
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global byte3
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global byte4
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ser.flushInput() #clear buffer
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ser.write(command) #send prepared command
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ser.close()
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print("DONE")
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#def reset_da_fucker():
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# print('would reset failures now, but disabled due to further testing needed...')
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def reset_da_fucker():
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if fucker_reset_enabled == 1: return
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global short_circuit_error
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print('here be dragons')
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cnt=0
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sleep_after_reset=2
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while cnt<=10:
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try:
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print('foo')
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now = datetime.now()
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print(now)
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pv_reset_overcurrent()
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time.sleep(0.5)
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pv_reset_lowvoltage()
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print("aktive Fehler nach reset:")
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pvstatus()
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print("erneuter reset nach %s Sekunden" % sleep_after_reset)
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time.sleep(sleep_after_reset)
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cnt = cnt+1
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except KeyboardInterrupt:
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print("\n\nkilled via CTRL+C - Bye")
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sys.exit()
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short_circuit_error = 0
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def pvfaultstate(bytearray):
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global pvfaultdesc
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global short_circuit_error
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# print("Inputstring Funktion:\t %s" %bytearray)
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i=0
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arraylen=len(bytearray)
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# print (" Array ist %s Elemente lang" %(arraylen))
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while i <=arraylen-1:
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if bytearray[i] =='1':
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if bytearray[i] =='1':
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print("Fehler aktiv: %s (Byte: %s)" % (pvfaultdesc[i], i) )
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#pvstatusbit(bytearray[i])
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if i<=arraylen: i=i+1
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if bytearray[0] == '1':
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short_circuit_error = 1
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# last anschalten
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def pvswitch(state):
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ser = serial.Serial('/dev/ttyUSB0', 9600, timeout=serial_timeout)
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@ -103,8 +220,12 @@ def get_PV_Ah():
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byte5=ser.read(1)
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byte6=ser.read(1)
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ser.close()
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print ("PV: \t\t\t %s Ah" % (BitArray(hex=byte6.encode('hex'))+BitArray(hex=byte5.encode('hex'))+BitArray(hex=byte4.encode('hex'))+BitArray(hex=byte3.encode('hex'))).uint)
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if (
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len(byte3) > 0 and len(byte4) > 0 and len(byte5) > 0 and len(byte6) >0
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):
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print ("PV: \t\t\t %s Ah" % (BitArray(hex=byte6.encode('hex'))+BitArray(hex=byte5.encode('hex'))+BitArray(hex=byte4.encode('hex'))+BitArray(hex=byte3.encode('hex'))).uint)
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else:
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print('communication error: get_PV_Ah')
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def get_load_Ah():
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ser = serial.Serial('/dev/ttyUSB0', 9600, timeout=serial_timeout)
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@ -117,9 +238,12 @@ def get_load_Ah():
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byte5=ser.read(1)
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byte6=ser.read(1)
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ser.close()
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print ("Load: \t\t\t %s Ah" % (BitArray(hex=byte6.encode('hex'))+BitArray(hex=byte5.encode('hex'))+BitArray(hex=byte4.encode('hex'))+BitArray(hex=byte3.encode('hex'))).uint)
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if (
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len(byte3) > 0 and len(byte4) > 0 and len(byte5) > 0 and len(byte6) >0
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):
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print ("Load: \t\t\t %s Ah" % (BitArray(hex=byte6.encode('hex'))+BitArray(hex=byte5.encode('hex'))+BitArray(hex=byte4.encode('hex'))+BitArray(hex=byte3.encode('hex'))).uint)
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else:
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print('communication error: get_load_Ah')
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while True:
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try:
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@ -154,12 +278,20 @@ while True:
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voltage=(value2 * 256 + value1) / 100
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voltage_modulo=(value2 * 256 + value1) % 100
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if voltage_modulo <10:
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test_modulo=str(str('0')+ str(voltage_modulo))
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else:
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test_modulo = voltage_modulo
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battery_voltage = float(str(voltage)+"."+str(test_modulo))
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sys.stdout.write('BATTERY:\t\t')
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sys.stdout.write(str(voltage))
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sys.stdout.write('.')
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sys.stdout.write(str(voltage_modulo))
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sys.stdout.write(' V\n')
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print(battery_voltage)
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publish.single("wh5/bikeport/pv/battery/voltage", battery_voltage, hostname="outpost.flashfingaz.de")
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# sys.stdout.write(str(voltage))
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# sys.stdout.write('.')
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# sys.stdout.write(str(voltage_modulo))
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# sys.stdout.write(' V\n')
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else :
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sys.stdout.write('Voltage communication error!')
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@ -182,29 +314,49 @@ while True:
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byte5=ser.read(1)
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byte6=ser.read(1)
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ser.close()
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value1=ord(byte3)
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value2=ord(byte4)
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value3=ord(byte5)
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value4=ord(byte6)
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voltage=(value2 * 256 + value1) / 100
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voltage_modulo=(value2 * 256 + value1) % 100
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current=(value4 *256 + value3) / 100
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current_modulo=(value4 * 256 + value3) % 100
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if (
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len(byte3) > 0 and len(byte4) > 0 and len(byte5) > 0 and len(byte6) > 0
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):
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value1=ord(byte3)
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value2=ord(byte4)
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value3=ord(byte5)
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value4=ord(byte6)
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voltage=(value2 * 256 + value1) / 100
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voltage_modulo=(value2 * 256 + value1) % 100
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if voltage_modulo <10:
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test_modulo=str(str('0')+ str(voltage_modulo))
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else:
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test_modulo = voltage_modulo
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voltage_test = float(str(voltage)+"."+str(test_modulo))
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current=(value4 *256 + value3) / 100
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current_modulo=(value4 * 256 + value3) % 100
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if current_modulo <10:
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test_modulo=str(str('0')+ str(current_modulo))
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else:
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test_modulo = current_modulo
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current_test = float(str(current)+"."+str(test_modulo))
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sys.stdout.write('PV INPUT:\t\t')
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sys.stdout.write(str(voltage_test))
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# sys.stdout.write(str(voltage))
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# sys.stdout.write('.')
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# sys.stdout.write(str(voltage_modulo))
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# sys.stdout.write(' V')
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sys.stdout.write('\t')
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sys.stdout.write(str(current_test))
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# sys.stdout.write(str(current))
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# sys.stdout.write('.')
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# sys.stdout.write(str(current_modulo))
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sys.stdout.write(' A \n')
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publish.single("wh5/bikeport/pv/module/voltage", voltage_test, hostname="outpost.flashfingaz.de")
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publish.single("wh5/bikeport/pv/module/current", current_test, hostname="outpost.flashfingaz.de")
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else:
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print("pv load communication error")
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sys.stdout.write('PV INPUT:\t\t')
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sys.stdout.write(str(voltage))
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sys.stdout.write('.')
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sys.stdout.write(str(voltage_modulo))
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sys.stdout.write(' V')
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sys.stdout.write('\t')
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sys.stdout.write(str(current))
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sys.stdout.write('.')
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sys.stdout.write(str(current_modulo))
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sys.stdout.write(' A \n')
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@ -223,17 +375,20 @@ while True:
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byte4=ser.read(1)
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ser.close()
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value1=ord(byte3)
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value2=ord(byte4)
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current=(value2 * 256 + value1) / 100
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current_modulo=(value2 * 256 + value1) % 100
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sys.stdout.write('LOAD:\t\t\t\t')
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sys.stdout.write(str(current))
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sys.stdout.write('.')
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sys.stdout.write(str(current_modulo))
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sys.stdout.write(' A\n')
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if (
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len(byte3) > 0 and len(byte4) > 0
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):
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value1=ord(byte3)
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value2=ord(byte4)
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current=(value2 * 256 + value1) / 100
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current_modulo=(value2 * 256 + value1) % 100
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sys.stdout.write('LOAD:\t\t\t\t')
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sys.stdout.write(str(current))
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sys.stdout.write('.')
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sys.stdout.write(str(current_modulo))
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sys.stdout.write(' A\n')
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# temperature & battery capacity
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@ -255,27 +410,53 @@ while True:
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byte6=ser.read(1)
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ser.close()
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value1=ord(byte3)
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value2=ord(byte4)
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value3=ord(byte5)
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value4=ord(byte6)
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if (
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len(byte3) > 0 and len(byte4) > 0 and len(byte5) > 0 and len(byte6) > 0
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):
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value1=ord(byte3)
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value2=ord(byte4)
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value3=ord(byte5)
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value4=ord(byte6)
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temperature=(value2 * 256 + value1)
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capacity=(value4 * 256 + value3)
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sys.stdout.write('Temperature:\t\t\t\t')
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sys.stdout.write(str(temperature))
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sys.stdout.write(' °C\n')
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sys.stdout.write('Battery Capacity:\t\t\t')
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sys.stdout.write(str(capacity))
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sys.stdout.write(' %\n')
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temperature=(value2 * 256 + value1)
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capacity=(value4 * 256 + value3)
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sys.stdout.write('Temperature:\t\t\t\t')
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sys.stdout.write(str(temperature))
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sys.stdout.write(' °C\n')
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sys.stdout.write('Battery Capacity:\t\t\t')
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sys.stdout.write(str(capacity))
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sys.stdout.write(' %\n')
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print("\n\naktive Fehler:")
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pvstatus()
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get_PV_Ah()
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get_load_Ah()
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get_mains_status()
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if short_circuit_error == 1:
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print("short circuit protection active, probably in error, trying to reset...")
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reset_da_fucker()
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# sleep 10 seconds before starting over
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if capacity < 60:
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mains_need_change = mains_need_change + 1
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print ('batter capacity low!')
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print("Cycles with low Battery Capacity: %s" % mains_need_change)
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if mains_need_change >= 3:
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print("battery capacity low, switching off all mains ports")
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battery_state = 'discharged'
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mains("all", "off")
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mains_need_change = 0
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elif battery_voltage >14:
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print("battery capacity ok")
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mains_on_ok = mains_on_ok + 1
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print("Cycles with high Battery Capacity: %s" % mains_on_ok)
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if mains_on_ok >= 30:
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mains('all', 'on')
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battery_state = 'charged'
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mains_on_ok = 0
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else:
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print('no need to switch mains right now...')
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time.sleep(10)
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