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157 changes: 79 additions & 78 deletions DeltaPVOutput.py
View file
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Original file line number Diff line number Diff line change
@@ -1,78 +1,79 @@
#A simple script to read values from a delta inverter and post them to
#PVoutput.org

import time, subprocess,serial,argparse,sys
from deltaInv import DeltaInverter
from time import localtime, strftime

#PVOutput.org API Values - UPDATE THESE TO YOURS!
SYSTEMID=""
APIKEY=""

parser = argparse.ArgumentParser()

if __name__ == '__main__':

parser.add_argument('-v','--verbose',help='Enable verbose output to stderr',default=False,dest='verbose_mode',required=False,action='store_true')
parser_results = parser.parse_args()

#Edit your serial connection as required!!
connection = serial.Serial('/dev/ttyUSB0',19200,timeout=0.2);
localtime = time.localtime(time.time())

t_date = 'd={0}'.format(strftime('%Y%m%d'))
t_time = 't={0}'.format(strftime('%H:%M'))

inv1 = DeltaInverter(1) #init Inverter 1
#Get the Daily Energy thus far
cmd = inv1.getCmdStringFor('Day Wh')
connection.write(cmd)
response = connection.read(100)
#if no response the inverter is asleep
if response:
value = inv1.getValueFromResponse(response)
t_energy = 'v1={0}'.format(value)

#instanteous power
cmd = inv1.getCmdStringFor('AC Power')
connection.write(cmd)
response = connection.read(100)
value = inv1.getValueFromResponse(response)
t_power = 'v2={0}'.format(value)

#AC Voltage
cmd = inv1.getCmdStringFor('AC Volts')
connection.write(cmd)
response = connection.read(100)
value = inv1.getValueFromResponse(response)
t_volts = 'v6={0}'.format(value)

#Temp - this appears to be onboard somewhere not the heatsink
cmd = inv1.getCmdStringFor('DC Temp')
connection.write(cmd)
response = connection.read(100)
value = inv1.getValueFromResponse(response)
t_temp = 'v5={0}'.format(value)

#if verbose mode
if parser_results.verbose_mode==True:
sys.stderr.write('Date: %s, Time: %s\n' %(t_date, t_time))
sys.stderr.write('Energy Today: %sWh, Instantaneous Power: %sW\n' %(t_energy,t_power))
sys.stderr.write('Volts: %s, Temp: %s oC\n' % (t_volts,t_temp))
sys.stderr.flush()

#Send it all off to PVOutput.org
cmd = ['/usr/bin/curl',
'-d', t_date,
'-d', t_time,
'-d', t_energy,
'-d', t_power,
'-d', t_volts,
'-d', t_temp,
'-H', 'X-Pvoutput-Apikey: ' + APIKEY,
'-H', 'X-Pvoutput-SystemId: ' + SYSTEMID,
'http://pvoutput.org/service/r1/addstatus.jsp']
ret = subprocess.call (cmd)
else:
print "No response from inverter - shutdown? No Data sent to PVOutput.org"
connection.close()
#A simple script to read values from a delta inverter and post them to
#PVoutput.org

import time, subprocess,serial,argparse,sys
from deltaInv import DeltaInverter
from time import localtime, strftime

#PVOutput.org API Values - UPDATE THESE TO YOURS!
SYSTEMID=""
APIKEY=""

parser = argparse.ArgumentParser()

if __name__ == '__main__':

parser.add_argument('-v','--verbose',help='Enable verbose output to stderr',default=False,dest='verbose_mode',required=False,action='store_true')
parser_results = parser.parse_args()

#Edit your serial connection as required!!
connection = serial.Serial('/dev/ttyUSB0',19200,timeout=0.2);
localtime = time.localtime(time.time())

t_date = 'd={0}'.format(strftime('%Y%m%d'))
t_time = 't={0}'.format(strftime('%H:%M'))

inv1 = DeltaInverter(1) #init Inverter 1
#Get the Daily Energy thus far
cmd = inv1.getCmdStringFor('Day Wh')
connection.write(cmd)
response = connection.read(100)
#if no response the inverter is asleep
if response:
value = inv1.getValueFromResponse(response)
t_energy = 'v1={0}'.format(value)

#instanteous power
cmd = inv1.getCmdStringFor('AC Power')
connection.write(cmd)
response = connection.read(100)
value = inv1.getValueFromResponse(response)
t_power = 'v2={0}'.format(value)

#AC Voltage
cmd = inv1.getCmdStringFor('AC Volts')
connection.write(cmd)
response = connection.read(100)
value = inv1.getValueFromResponse(response)
t_volts = 'v6={0}'.format(value)

#Temp - this appears to be onboard somewhere not the heatsink
cmd = inv1.getCmdStringFor('DC Temp')
connection.write(cmd)
response = connection.read(100)
value = inv1.getValueFromResponse(response)
t_temp = 'v5={0}'.format(value)

#if verbose mode
if parser_results.verbose_mode==True:
sys.stderr.write('Date: %s, Time: %s\n' %(t_date, t_time))
sys.stderr.write('Energy Today: %sWh, Instantaneous Power: %sW\n' %(t_energy,t_power))
sys.stderr.write('Volts: %s, Temp: %s oC\n' % (t_volts,t_temp))
sys.stderr.flush()

#Send it all off to PVOutput.org
cmd = ['/usr/bin/curl',
'-d', t_date,
'-d', t_time,
'-d', t_energy,
'-d', t_power,
'-d', t_volts,
'-d', t_temp,
'-H', 'X-Pvoutput-Apikey: ' + APIKEY,
'-H', 'X-Pvoutput-SystemId: ' + SYSTEMID,
'http://pvoutput.org/service/r1/addstatus.jsp']
ret = subprocess.call (cmd)
else:
print ("No response from inverter - shutdown? No Data sent to PVOutput.org")
connection.close()

109 changes: 55 additions & 54 deletions crc.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,54 +1,55 @@
class CRC16:

INITIAL_MODBUS = 0xFFFF
INITIAL_DF1 = 0x0000

table = (
0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040 )

def calcByte(self, ch, crc):
"""Given a new Byte and previous CRC, Calc a new CRC-16"""
if type(ch) == type("c"):
by = ord( ch)
else:
by = ch
crc = (crc >> 8) ^ self.table[(crc ^ by) & 0xFF]
return (crc & 0xFFFF)

def calcString(self, st, crc=INITIAL_DF1):
"""Given a bunary string and starting CRC, Calc a final CRC-16 """
for ch in st:
crc = (crc >> 8) ^ self.table[(crc ^ ord(ch)) & 0xFF]
return crc

class CRC16:

INITIAL_MODBUS = 0xFFFF
INITIAL_DF1 = 0x0000

table = (
0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040 )

def calcByte(self, byte, crc):
"""Given a new Byte and previous CRC, Calc a new CRC-16"""
if type(ch) == type("c"):
by = ord( ch)
else:
by = ch
crc = (crc >> 8) ^ self.table[(crc ^ by) & 0xFF]
return (crc & 0xFFFF)

def calcString(self, data, crc=INITIAL_DF1):
"""Given a bunary string and starting CRC, Calc a final CRC-16 """
for byte in data:
crc = (crc >> 8) ^ self.table[(crc ^ byte) & 0xFF]
return crc


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