Bonjour olive, je vais finir par t’offrir une bouteille 
Voici le fichier en espérant qu’il ne soit pas trop long.
#!/usr/bin/python3
import asyncio
import socket
import binascii
import datetime
import json
import logging
_LOGGER = logging.getLogger(__name__)
from pprint import pprint
class APSystemsInvalidData(Exception):
pass
class APSystemsECUR:
def __init__(self, ipaddr, port=8899, raw_ecu=None, raw_inverter=None):
self.ipaddr = ipaddr
self.port = port
# what do we expect socket data to end in
self.recv_suffix = b'END\n'
# how long to wait on socket commands until we get our recv_suffix
self.timeout = 5
# how many times do we try the same command in a single update before failing
self.cmd_attempts = 3
# how big of a buffer to read at a time from the socket
self.recv_size = 4096
self.qs1_ids = [ "802", "801" ]
self.yc600_ids = [ "406", "407", "408", "409" ]
self.yc1000_ids = [ "501", "502", "503", "504" ]
self.cmd_suffix = "END\n"
self.ecu_query = "APS1100160001" + self.cmd_suffix
self.inverter_query_prefix = "APS1100280002"
self.inverter_query_suffix = self.cmd_suffix
self.inverter_signal_prefix = "APS1100280030"
self.inverter_signal_suffix = self.cmd_suffix
self.inverter_byte_start = 26
self.ecu_id = None
self.qty_of_inverters = 0
self.lifetime_energy = 0
self.current_power = 0
self.today_energy = 0
self.inverters = []
self.firmware = None
self.timezone = None
self.last_update = None
self.ecu_raw_data = raw_ecu
self.inverter_raw_data = raw_inverter
self.inverter_raw_signal = None
self.read_buffer = b''
self.reader = None
self.writer = None
def dump(self):
print("ECU {}.".format(self.ecu_id))
print("Firmware {}.".format(self.firmware))
print("TZ {}.".format(self.timezone))
print("Qty of inverters {}.".format(self.qty_of_inverters))
async def async_read_from_socket(self):
self.read_buffer = b''
end_data = None
while end_data != self.recv_suffix:
self.read_buffer += await self.reader.read(self.recv_size)
size = len(self.read_buffer)
end_data = self.read_buffer[size-4:]
return self.read_buffer
async def async_send_read_from_socket(self, cmd):
current_attempt = 0
while current_attempt < self.cmd_attempts:
current_attempt += 1
self.writer.write(cmd.encode('utf-8'))
await self.writer.drain()
try:
return await asyncio.wait_for(self.async_read_from_socket(),
timeout=self.timeout)
except Exception as err:
pass
self.writer.close()
raise APSystemsInvalidData(f"Incomplete data from ECU after {current_attempt} attempts, cmd='{cmd.rstrip()}' data={self.read_buffer}")
async def async_query_ecu(self):
self.reader, self.writer = await asyncio.open_connection(self.ipaddr, self.port)
_LOGGER.info(f"Connected to {self.ipaddr} {self.port}")
cmd = self.ecu_query
self.ecu_raw_data = await self.async_send_read_from_socket(cmd)
self.process_ecu_data()
cmd = self.inverter_query_prefix + self.ecu_id + self.inverter_query_suffix
self.inverter_raw_data = await self.async_send_read_from_socket(cmd)
cmd = self.inverter_signal_prefix + self.ecu_id + self.inverter_signal_suffix
self.inverter_raw_signal = await self.async_send_read_from_socket(cmd)
self.writer.close()
data = self.process_inverter_data()
data["ecu_id"] = self.ecu_id
data["today_energy"] = self.today_energy
data["lifetime_energy"] = self.lifetime_energy
data["current_power"] = self.current_power
return(data)
def query_ecu(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((self.ipaddr,self.port))
sock.sendall(self.ecu_query.encode('utf-8'))
self.ecu_raw_data = sock.recv(self.recv_size)
self.process_ecu_data()
cmd = self.inverter_query_prefix + self.ecu_id + self.inverter_query_suffix
sock.sendall(cmd.encode('utf-8'))
self.inverter_raw_data = sock.recv(self.recv_size)
cmd = self.inverter_signal_prefix + self.ecu_id + self.inverter_signal_suffix
sock.sendall(cmd.encode('utf-8'))
self.inverter_raw_signal = sock.recv(self.recv_size)
sock.shutdown(socket.SHUT_RDWR)
sock.close()
data = self.process_inverter_data()
data["ecu_id"] = self.ecu_id
data["today_energy"] = self.today_energy
data["lifetime_energy"] = self.lifetime_energy
data["current_power"] = self.current_power
return(data)
def aps_int(self, codec, start):
try:
return int(binascii.b2a_hex(codec[(start):(start+2)]), 16)
except ValueError as err:
debugdata = binascii.b2a_hex(codec)
raise APSystemsInvalidData(f"Unable to convert binary to int location={start} data={debugdata}")
def aps_short(self, codec, start):
try:
return int(binascii.b2a_hex(codec[(start):(start+1)]), 8)
except ValueError as err:
debugdata = binascii.b2a_hex(codec)
raise APSystemsInvalidData(f"Unable to convert binary to short int location={start} data={debugdata}")
def aps_double(self, codec, start):
try:
return int (binascii.b2a_hex(codec[(start):(start+4)]), 16)
except ValueError as err:
debugdata = binascii.b2a_hex(codec)
raise APSystemsInvalidData(f"Unable to convert binary to double location={start} data={debugdata}")
def aps_bool(self, codec, start):
return bool(binascii.b2a_hex(codec[(start):(start+2)]))
def aps_uid(self, codec, start):
return str(binascii.b2a_hex(codec[(start):(start+12)]))[2:14]
def aps_str(self, codec, start, amount):
return str(codec[start:(start+amount)])[2:(amount+2)]
def aps_timestamp(self, codec, start, amount):
timestr=str(binascii.b2a_hex(codec[start:(start+amount)]))[2:(amount+2)]
return timestr[0:4]+"-"+timestr[4:6]+"-"+timestr[6:8]+" "+timestr[8:10]+":"+timestr[10:12]+":"+timestr[12:14]
def check_ecu_checksum(self, data, cmd):
datalen = len(data) - 1
try:
checksum = int(data[5:9])
except ValueError as err:
debugdata = binascii.b2a_hex(data)
raise APSystemsInvalidData(f"Error getting checksum int from '{cmd}' data={debugdata}")
if datalen != checksum:
debugdata = binascii.b2a_hex(data)
raise APSystemsInvalidData(f"Checksum on '{cmd}' failed checksum={checksum} datalen={datalen} data={debugdata}")
start_str = self.aps_str(data, 0, 3)
end_str = self.aps_str(data, len(data) - 4, 3)
if start_str != 'APS':
debugdata = binascii.b2a_hex(data)
raise APSystemsInvalidData(f"Result on '{cmd}' incorrect start signature '{start_str}' != APS data={debugdata}")
if end_str != 'END':
debugdata = binascii.b2a_hex(data)
raise APSystemsInvalidData(f"Result on '{cmd}' incorrect end signature '{end_str}' != END data={debugdata}")
return True
def process_ecu_data(self, data=None):
if not data:
data = self.ecu_raw_data
self.check_ecu_checksum(data, "ECU Query")
self.ecu_id = self.aps_str(data, 13, 12)
self.qty_of_inverters = self.aps_int(data, 46)
self.firmware = self.aps_str(data, 55, 15)
self.timezone = self.aps_str(data, 70, 9)
self.lifetime_energy = self.aps_double(data, 27) / 10
self.today_energy = self.aps_double(data, 35) / 100
self.current_power = self.aps_double(data, 31)
def process_signal_data(self, data=None):
signal_data = {}
if not data:
data = self.inverter_raw_signal
self.check_ecu_checksum(data, "Signal Query")
if not self.qty_of_inverters:
return signal_data
location = 15
for i in range(0, self.qty_of_inverters):
uid = self.aps_uid(data, location)
location += 6
strength = data[location]
location += 1
strength = int((strength / 255) * 100)
signal_data[uid] = strength
return signal_data
def process_inverter_data(self, data=None):
if not data:
data = self.inverter_raw_data
self.check_ecu_checksum(data, "Inverter data")
output = {}
timestamp = self.aps_timestamp(data, 19, 14)
inverter_qty = self.aps_int(data, 17)
self.last_update = timestamp
output["timestamp"] = timestamp
output["inverter_qty"] = inverter_qty
output["inverters"] = {}
# this is the start of the loop of inverters
location = self.inverter_byte_start
signal = self.process_signal_data()
inverters = {}
for i in range(0, inverter_qty):
inv={}
inverter_uid = self.aps_uid(data, location)
inv["uid"] = inverter_uid
location += 6
inv["online"] = self.aps_bool(data, location)
location += 1
inv["unknown"] = self.aps_str(data, location, 2)
location += 2
inv["frequency"] = self.aps_int(data, location) / 10
location += 2
inv["temperature"] = self.aps_int(data, location) - 100
location += 2
inv["signal"] = signal.get(inverter_uid, 0)
# the first 3 digits determine the type of inverter
inverter_type = inverter_uid[0:3]
if inverter_type in self.yc600_ids:
(channel_data, location) = self.process_yc600(data, location)
inv.update(channel_data)
elif inverter_type in self.qs1_ids:
(channel_data, location) = self.process_qs1(data, location)
inv.update(channel_data)
else:
raise APSystemsInvalidData(f"Unsupported inverter type {inverter_type}")
inverters[inverter_uid] = inv
output["inverters"] = inverters
return (output)
def process_qs1(self, data, location):
power = []
voltages = []
power.append(self.aps_int(data, location))
location += 2
voltage = self.aps_int(data, location)
location += 2
power.append(self.aps_int(data, location))
location += 2
power.append(self.aps_int(data, location))
location += 2
power.append(self.aps_int(data, location))
location += 2
voltages.append(voltage)
output = {
"model" : "QS1",
"channel_qty" : 4,
"power" : power,
"voltage" : voltages
}
return (output, location)
def process_yc600(self, data, location):
power = []
voltages = []
for i in range(0, 2):
power.append(self.aps_int(data, location))
location += 2
voltages.append(self.aps_int(data, location))
location += 2
output = {
"model" : "YC600",
"channel_qty" : 2,
"power" : power,
"voltage" : voltages,
}
return (output, location)
pour un user autre que jeedom ou root sur cette machine.