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Merge pull request #67 from s-allius/s-allius/issue65

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S allius/issue65
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Stefan Allius
2024-05-07 22:31:40 +02:00
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parent e603bb9baa 2301511242
commit 1b6bee12de
20 changed files with 993 additions and 360 deletions
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5
CHANGELOG.md
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@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased]
- add timeout monitoring for received packets
- parse Modbus values and store them in the database
- add cron task to request the output power every minute
- GEN3PLUS: add MQTT topics to send AT commands to the inverter
- add MQTT topics to send Modbus commands to the inverter
- convert data collect interval to minutes
- add postfix for rc and dev versions to the version number
- change logging level to DEBUG for some logs

9
README.md
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@@ -39,12 +39,15 @@ If you use a Pi-hole, you can also store the host entry in the Pi-hole.
## Features
- supports TSUN GEN3 PLUS inverters: TSOL-MS2000, MS1800 and MS1600
- supports TSUN GEN3 inverters: TSOL-MS800, MS700, MS600, MS400, MS350 and MS300
- Supports TSUN GEN3 PLUS inverters: TSOL-MS2000, MS1800 and MS1600
- Supports TSUN GEN3 inverters: TSOL-MS800, MS700, MS600, MS400, MS350 and MS300
- `MQTT` support
- `Home-Assistant` auto-discovery support
- `MODBUS` support via MQTT topics
- `AT Command` support via MQTT topics (GEN3PLUS only)
- Faster DataUp interval sends measurement data to the MQTT broker every minute
- Self-sufficient island operation without internet
- runs in a non-root Docker Container
- Runs in a non-root Docker Container
## Home Assistant Screenshots

598
app/proxy.svg
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<title>A7&#45;&gt;A11</title>
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<title>A8&#45;&gt;A8</title>
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<title>A3</title>
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<title>A12</title>
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<title>A4</title>
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<title>A5</title>
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<!-- A4&#45;&gt;A5 -->
<g id="edge2" class="edge">
<title>A4&#45;&gt;A5</title>
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<title>A6</title>
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<!-- A5&#45;&gt;A6 -->
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<title>A5&#45;&gt;A6</title>
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<title>A5&#45;&gt;A7</title>
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<!-- A8 -->
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<title>A8</title>
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<!-- A9&#45;&gt;A7 -->
<!-- A7&#45;&gt;A9 -->
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<title>A9&#45;&gt;A7</title>
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@@ -4,13 +4,15 @@
[note: You can stick notes on diagrams too!{bg:cornsilk}]
[Singleton]^[Mqtt|<static>ha_restarts;<static>__client;<static>__cb_MqttIsUp|<async>publish();<async>close()]
[Modbus||build_msg();recv_req();recv_resp();check_crc()]
[IterRegistry||__iter__]^[Message|server_side:bool;header_valid:bool;header_len:unsigned;data_len:unsigned;unique_id;node_id;sug_area;_recv_buffer:bytearray;_send_buffer:bytearray;_forward_buffer:bytearray;db:Infos;new_data:list|_read():void<abstract>;close():void;inc_counter():void;dec_counter():void]
[Message]^[Talent|await_conn_resp_cnt;id_str;contact_name;contact_mail;switch|msg_contact_info();msg_ota_update();msg_get_time();msg_collector_data();msg_inverter_data();msg_unknown();;close()]
[Message]^[SolarmanV5|control;serial;snr;switch|msg_unknown();;close()]
[Message]^[Talent|await_conn_resp_cnt;id_str;contact_name;contact_mail;db:InfosG3;mb:Modbus;switch|msg_contact_info();msg_ota_update();msg_get_time();msg_collector_data();msg_inverter_data();msg_unknown();;close()]
[Message]^[SolarmanV5|control;serial;snr;db:InfosG3P;mb:Modbus;switch|msg_unknown();;close()]
[Talent]^[ConnectionG3|remoteStream:ConnectionG3|close()]
[Talent]has-1>[Modbus]
[SolarmanV5]^[ConnectionG3P|remoteStream:ConnectionG3P|close()]
[AsyncStream|reader;writer;addr;r_addr;l_addr|<async>server_loop();<async>client_loop();<async>loop;disc();close();;__async_read();__async_write();__async_forward()]^[ConnectionG3]
[SolarmanV5]has-1>[Modbus]
[AsyncStream|reader;writer;addr;r_addr;l_addr|<async>server_loop();<async>client_loop();<async>loop;disc();close();;__async_read();async_write();__async_forward()]^[ConnectionG3]
[AsyncStream]^[ConnectionG3P]
[Inverter|cls.db_stat;cls.entity_prfx;cls.discovery_prfx;cls.proxy_node_id;cls.proxy_unique_id;cls.mqtt:Mqtt|]^[InverterG3|__ha_restarts|async_create_remote();;close()]
[Inverter]^[InverterG3P|__ha_restarts|async_create_remote();;close()]

8
app/src/async_stream.py
View File

@@ -61,7 +61,7 @@ class AsyncStream():
await self.__async_read()
if self.unique_id:
await self.__async_write()
await self.async_write()
await self.__async_forward()
await self.async_publ_mqtt()
@@ -100,9 +100,9 @@ class AsyncStream():
else:
raise RuntimeError("Peer closed.")
async def __async_write(self) -> None:
async def async_write(self, headline='Transmit to ') -> None:
if self._send_buffer:
hex_dump_memory(logging.INFO, f'Transmit to {self.addr}:',
hex_dump_memory(logging.INFO, f'{headline}{self.addr}:',
self._send_buffer, len(self._send_buffer))
self.writer.write(self._send_buffer)
await self.writer.drain()
@@ -114,7 +114,7 @@ class AsyncStream():
await self.async_create_remote()
if self.remoteStream:
if self.remoteStream._init_new_client_conn():
await self.remoteStream.__async_write()
await self.remoteStream.async_write()
if self.remoteStream:
self.remoteStream._update_header(self._forward_buffer)

4
app/src/gen3/infos_g3.py
View File

@@ -161,7 +161,7 @@ class InfosG3(Infos):
update = False
name = str(f'info-id.0x{addr:x}')
self.tracer.log(level, f'GEN3: {name} : {result}{unit}'
f' update: {update}')
if update:
self.tracer.log(level, f'GEN3: {name} : {result}{unit}')
i += 1

65
app/src/gen3/talent.py
View File

@@ -5,10 +5,12 @@ from datetime import datetime
if __name__ == "app.src.gen3.talent":
from app.src.messages import hex_dump_memory, Message
from app.src.modbus import Modbus
from app.src.config import Config
from app.src.gen3.infos_g3 import InfosG3
else: # pragma: no cover
from messages import hex_dump_memory, Message
from modbus import Modbus
from config import Config
from gen3.infos_g3 import InfosG3
@@ -41,13 +43,20 @@ class Talent(Message):
self.contact_name = b''
self.contact_mail = b''
self.db = InfosG3()
self.mb = Modbus()
self.forward_modbus_resp = False
self.closed = False
self.switch = {
0x00: self.msg_contact_info,
0x13: self.msg_ota_update,
0x22: self.msg_get_time,
0x71: self.msg_collector_data,
# 0x76:
0x77: self.msg_modbus,
# 0x78:
0x04: self.msg_inverter_data,
}
self.modbus_elms = 0 # for unit tests
'''
Our puplic methods
@@ -58,6 +67,7 @@ class Talent(Message):
# so we have to erase self.switch, otherwise this instance can't be
# deallocated by the garbage collector ==> we get a memory leak
self.switch.clear()
self.closed = True
def __set_serial_no(self, serial_no: str):
@@ -115,6 +125,19 @@ class Talent(Message):
f' Ctl: {int(self.ctrl):#02x} Msg: {fnc.__name__!r}')
return
async def send_modbus_cmd(self, func, addr, val) -> None:
self.forward_modbus_resp = False
self.__build_header(0x70, 0x77)
self._send_buffer += b'\x00\x01\xa3\x28' # fixme
modbus_msg = self.mb.build_msg(Modbus.INV_ADDR, func, addr, val)
self._send_buffer += struct.pack('!B', len(modbus_msg))
self._send_buffer += modbus_msg
self.__finish_send_msg()
try:
await self.async_write('Send Modbus Command:')
except Exception:
self._send_buffer = bytearray(0)
def _init_new_client_conn(self) -> bool:
contact_name = self.contact_name
contact_mail = self.contact_mail
@@ -190,11 +213,13 @@ class Talent(Message):
self.header_valid = True
return
def __build_header(self, ctrl) -> None:
def __build_header(self, ctrl, msg_id=None) -> None:
if not msg_id:
msg_id = self.msg_id
self.send_msg_ofs = len(self._send_buffer)
self._send_buffer += struct.pack(f'!l{len(self.id_str)+1}pBB',
0, self.id_str, ctrl, self.msg_id)
fnc = self.switch.get(self.msg_id, self.msg_unknown)
0, self.id_str, ctrl, msg_id)
fnc = self.switch.get(msg_id, self.msg_unknown)
logger.info(self.__flow_str(self.server_side, 'tx') +
f' Ctl: {int(ctrl):#02x} Msg: {fnc.__name__!r}')
@@ -348,6 +373,40 @@ class Talent(Message):
self.inc_counter('Unknown_Ctrl')
self.forward(self._recv_buffer, self.header_len+self.data_len)
def parse_modbus_header(self):
msg_hdr_len = 5
result = struct.unpack_from('!lBB', self._recv_buffer,
self.header_len)
modbus_len = result[1]
# logger.debug(f'Ref: {result[0]}')
# logger.debug(f'Modbus MsgLen: {modbus_len} Func:{result[2]}')
return msg_hdr_len, modbus_len
def msg_modbus(self):
hdr_len, modbus_len = self.parse_modbus_header()
if self.ctrl.is_req():
self.forward_modbus_resp = True
self.inc_counter('Modbus_Command')
elif self.ctrl.is_ind():
# logger.debug(f'Modbus Ind MsgLen: {modbus_len}')
self.modbus_elms = 0
for key, update in self.mb.recv_resp(self.db, self._recv_buffer[
self.header_len + hdr_len:self.header_len+self.data_len],
self.node_id):
if update:
self.new_data[key] = True
self.modbus_elms += 1
if not self.forward_modbus_resp:
return
else:
logger.warning('Unknown Ctrl')
self.inc_counter('Unknown_Ctrl')
self.forward(self._recv_buffer, self.header_len+self.data_len)
def msg_unknown(self):
logger.warning(f"Unknow Msg: ID:{self.msg_id}")
self.inc_counter('Unknown_Msg')

6
app/src/gen3plus/infos_g3p.py
View File

@@ -19,7 +19,7 @@ class RegisterMap:
0x4102001a: {'reg': Register.HEARTBEAT_INTERVAL, 'fmt': '<B', 'ratio': 1}, # noqa: E501
0x4102001c: {'reg': Register.SIGNAL_STRENGTH, 'fmt': '<B', 'ratio': 1}, # noqa: E501
0x4102001e: {'reg': Register.CHIP_MODEL, 'fmt': '!40s'}, # noqa: E501
0x4102004c: {'reg': Register.IP_ADRESS, 'fmt': '!16s'}, # noqa: E501
0x4102004c: {'reg': Register.IP_ADDRESS, 'fmt': '!16s'}, # noqa: E501
0x41020064: {'reg': Register.COLLECTOR_FW_VERSION, 'fmt': '!40s'}, # noqa: E501
0x4201001c: {'reg': Register.POWER_ON_TIME, 'fmt': '<H', 'ratio': 1}, # noqa: E501
@@ -122,5 +122,5 @@ class InfosG3P(Infos):
name = str(f'info-id.0x{addr:x}')
update = False
self.tracer.log(level, f'GEN3PLUS: {name} : {result}{unit}'
f' update: {update}')
if update:
self.tracer.log(level, f'GEN3PLUS: {name} : {result}{unit}')

106
app/src/gen3plus/solarman_v5.py
View File

@@ -6,12 +6,14 @@ from datetime import datetime
if __name__ == "app.src.gen3plus.solarman_v5":
from app.src.messages import hex_dump_memory, Message
from app.src.modbus import Modbus
from app.src.config import Config
from app.src.gen3plus.infos_g3p import InfosG3P
from app.src.infos import Register
else: # pragma: no cover
from messages import hex_dump_memory, Message
from config import Config
from modbus import Modbus
from gen3plus.infos_g3p import InfosG3P
from infos import Register
# import traceback
@@ -46,6 +48,8 @@ class Sequence():
class SolarmanV5(Message):
AT_CMD = 1
MB_RTU_CMD = 2
def __init__(self, server_side: bool):
super().__init__(server_side)
@@ -56,6 +60,9 @@ class SolarmanV5(Message):
self.snr = 0
self.db = InfosG3P()
self.time_ofs = 0
self.mb = Modbus()
self.forward_modbus_resp = False
self.closed = False
self.switch = {
0x4210: self.msg_data_ind, # real time data
@@ -84,7 +91,7 @@ class SolarmanV5(Message):
#
# MODbus or AT cmd
0x4510: self.msg_command_req, # from server
0x1510: self.msg_response, # from inverter
0x1510: self.msg_command_rsp, # from inverter
}
'''
@@ -96,6 +103,7 @@ class SolarmanV5(Message):
# so we have to erase self.switch, otherwise this instance can't be
# deallocated by the garbage collector ==> we get a memory leak
self.switch.clear()
self.closed = True
def __set_serial_no(self, snr: int):
serial_no = str(snr)
@@ -293,16 +301,49 @@ class SolarmanV5(Message):
self._heartbeat())
self.__finish_send_msg()
def send_at_cmd(self, AT_cmd: str) -> None:
async def send_modbus_cmd(self, func, addr, val) -> None:
self.forward_modbus_resp = False
self.__build_header(0x4510)
self._send_buffer += struct.pack(f'<BHLLL{len(AT_cmd)}sc', 1, 2,
0, 0, 0, AT_cmd.encode('utf-8'),
self._send_buffer += struct.pack('<BHLLL', self.MB_RTU_CMD,
0x2b0, 0, 0, 0)
self._send_buffer += self.mb.build_msg(Modbus.INV_ADDR,
func, addr, val)
self.__finish_send_msg()
try:
await self.async_write('Send Modbus Command:')
except Exception:
self._send_buffer = bytearray(0)
async def send_at_cmd(self, AT_cmd: str) -> None:
self.__build_header(0x4510)
self._send_buffer += struct.pack(f'<BHLLL{len(AT_cmd)}sc', self.AT_CMD,
2, 0, 0, 0, AT_cmd.encode('utf-8'),
b'\r')
self.__finish_send_msg()
try:
await self.async_write('Send AT Command:')
except Exception:
self._send_buffer = bytearray(0)
def __forward_msg(self):
self.forward(self._recv_buffer, self.header_len+self.data_len+2)
def __build_model_name(self):
db = self.db
MaxPow = db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
Rated = db.get_db_value(Register.RATED_POWER, 0)
Model = None
if MaxPow == 2000:
if Rated == 800 or Rated == 600:
Model = f'TSOL-MS{MaxPow}({Rated})'
else:
Model = f'TSOL-MS{MaxPow}'
elif MaxPow == 1800 or MaxPow == 1600:
Model = f'TSOL-MS{MaxPow}'
if Model:
logger.info(f'Model: {Model}')
self.db.set_db_def_value(Register.EQUIPMENT_MODEL, Model)
def __process_data(self, ftype):
inv_update = False
msg_type = self.control >> 8
@@ -313,21 +354,7 @@ class SolarmanV5(Message):
self.new_data[key] = True
if inv_update:
db = self.db
MaxPow = db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
Rated = db.get_db_value(Register.RATED_POWER, 0)
Model = None
if MaxPow == 2000:
if Rated == 800 or Rated == 600:
Model = f'TSOL-MS{MaxPow}({Rated})'
else:
Model = f'TSOL-MS{MaxPow}'
elif MaxPow == 1800 or MaxPow == 1600:
Model = f'TSOL-MS{MaxPow}'
if Model:
logger.info(f'Model: {Model}')
self.db.set_db_def_value(Register.EQUIPMENT_MODEL, Model)
self.__build_model_name()
'''
Message handler methods
'''
@@ -390,11 +417,43 @@ class SolarmanV5(Message):
data = self._recv_buffer[self.header_len:]
result = struct.unpack_from('<B', data, 0)
ftype = result[0]
if ftype == self.AT_CMD:
self.inc_counter('AT_Command')
elif ftype == self.MB_RTU_CMD:
if not self.mb.recv_req(data[15:-2]):
return
self.forward_modbus_resp = True
self.inc_counter('Modbus_Command')
self.inc_counter('AT_Command')
self.__forward_msg()
self.__send_ack_rsp(0x1510, ftype)
def msg_command_rsp(self):
data = self._recv_buffer[self.header_len:]
ftype = data[0]
if ftype == self.AT_CMD:
pass
elif ftype == self.MB_RTU_CMD:
valid = data[1]
modbus_msg_len = self.data_len - 14
# logger.debug(f'modbus_len:{modbus_msg_len} accepted:{valid}')
if valid == 1 and modbus_msg_len > 4:
# logger.info(f'first byte modbus:{data[14]}')
inv_update = False
for key, update in self.mb.recv_resp(self.db, data[14:-2],
self.node_id):
if update:
if key == 'inverter':
inv_update = True
self.new_data[key] = True
if inv_update:
self.__build_model_name()
if not self.forward_modbus_resp:
return
self.__forward_msg()
def msg_hbeat_ind(self):
data = self._recv_buffer[self.header_len:]
result = struct.unpack_from('<B', data, 0)
@@ -423,8 +482,9 @@ class SolarmanV5(Message):
valid = result[1] == 1 # status
ts = result[2]
set_hb = result[3] # always 60 or 120
logger.info(f'ftype:{ftype} accepted:{valid}'
f' ts:{ts:08x} nextHeartbeat: {set_hb}s')
logger.debug(f'ftype:{ftype} accepted:{valid}'
f' ts:{ts:08x} nextHeartbeat: {set_hb}s')
dt = datetime.fromtimestamp(ts)
logger.info(f'ts: {dt.strftime("%Y-%m-%d %H:%M:%S")}')
logger.debug(f'ts: {dt.strftime("%Y-%m-%d %H:%M:%S")}')
self.__forward_msg()

8
app/src/infos.py
View File

@@ -28,6 +28,7 @@ class Register(Enum):
SW_EXCEPTION = 57
INVALID_MSG_FMT = 58
AT_COMMAND = 59
MODBUS_COMMAND = 60
OUTPUT_POWER = 83
RATED_POWER = 84
INVERTER_TEMP = 85
@@ -86,7 +87,7 @@ class Register(Enum):
DATA_UP_INTERVAL = 404
CONNECT_COUNT = 405
HEARTBEAT_INTERVAL = 406
IP_ADRESS = 407
IP_ADDRESS = 407
EVENT_401 = 500
EVENT_402 = 501
EVENT_403 = 502
@@ -192,7 +193,7 @@ class Infos:
Register.SERIAL_NUMBER: {'name': ['inverter', 'Serial_Number'], 'level': logging.DEBUG, 'unit': ''}, # noqa: E501
Register.EQUIPMENT_MODEL: {'name': ['inverter', 'Equipment_Model'], 'level': logging.DEBUG, 'unit': ''}, # noqa: E501
Register.NO_INPUTS: {'name': ['inverter', 'No_Inputs'], 'level': logging.DEBUG, 'unit': ''}, # noqa: E501
Register.MAX_DESIGNED_POWER: {'name': ['inverter', 'Max_Designed_Power'], 'level': logging.DEBUG, 'unit': 'W', 'ha': {'dev': 'inverter', 'dev_cla': None, 'stat_cla': None, 'id': 'designed_power_', 'fmt': '| string + " W"', 'name': 'Max Designed Power', 'icon': 'mdi:lightning-bolt', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.MAX_DESIGNED_POWER: {'name': ['inverter', 'Max_Designed_Power'], 'level': logging.INFO, 'unit': 'W', 'ha': {'dev': 'inverter', 'dev_cla': None, 'stat_cla': None, 'id': 'designed_power_', 'fmt': '| string + " W"', 'name': 'Max Designed Power', 'icon': 'mdi:lightning-bolt', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.RATED_POWER: {'name': ['inverter', 'Rated_Power'], 'level': logging.DEBUG, 'unit': 'W', 'ha': {'dev': 'inverter', 'dev_cla': None, 'stat_cla': None, 'id': 'rated_power_', 'fmt': '| string + " W"', 'name': 'Rated Power', 'icon': 'mdi:lightning-bolt', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.PV1_MANUFACTURER: {'name': ['inverter', 'PV1_Manufacturer'], 'level': logging.DEBUG, 'unit': ''}, # noqa: E501
@@ -219,6 +220,7 @@ class Infos:
Register.SW_EXCEPTION: {'name': ['proxy', 'SW_Exception'], 'singleton': True, 'ha': {'dev': 'proxy', 'comp': 'sensor', 'dev_cla': None, 'stat_cla': None, 'id': 'sw_exception_', 'fmt': '| int', 'name': 'Internal SW Exception', 'icon': 'mdi:counter', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.INVALID_MSG_FMT: {'name': ['proxy', 'Invalid_Msg_Format'], 'singleton': True, 'ha': {'dev': 'proxy', 'comp': 'sensor', 'dev_cla': None, 'stat_cla': None, 'id': 'inv_msg_fmt_', 'fmt': '| int', 'name': 'Invalid Message Format', 'icon': 'mdi:counter', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.AT_COMMAND: {'name': ['proxy', 'AT_Command'], 'singleton': True, 'ha': {'dev': 'proxy', 'comp': 'sensor', 'dev_cla': None, 'stat_cla': None, 'id': 'at_cmd_', 'fmt': '| int', 'name': 'AT Command', 'icon': 'mdi:counter', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.MODBUS_COMMAND: {'name': ['proxy', 'Modbus_Command'], 'singleton': True, 'ha': {'dev': 'proxy', 'comp': 'sensor', 'dev_cla': None, 'stat_cla': None, 'id': 'modbus_cmd_', 'fmt': '| int', 'name': 'Modbus Command', 'icon': 'mdi:counter', 'ent_cat': 'diagnostic'}}, # noqa: E501
# 0xffffff03: {'name':['proxy', 'Voltage'], 'level': logging.DEBUG, 'unit': 'V', 'ha':{'dev':'proxy', 'dev_cla': 'voltage', 'stat_cla': 'measurement', 'id':'proxy_volt_', 'fmt':'| float','name': 'Grid Voltage'}}, # noqa: E501
# events
@@ -290,7 +292,7 @@ class Infos:
Register.COMMUNICATION_TYPE: {'name': ['controller', 'Communication_Type'], 'level': logging.DEBUG, 'unit': '', 'ha': {'dev': 'controller', 'dev_cla': None, 'stat_cla': None, 'id': 'comm_type_', 'name': 'Communication Type', 'val_tpl': __comm_type_val_tpl, 'comp': 'sensor', 'icon': 'mdi:wifi'}}, # noqa: E501
Register.DATA_UP_INTERVAL: {'name': ['controller', 'Data_Up_Interval'], 'level': logging.DEBUG, 'unit': 's', 'ha': {'dev': 'controller', 'dev_cla': None, 'stat_cla': None, 'id': 'data_up_intval_', 'fmt': '| string + " s"', 'name': 'Data Up Interval', 'icon': 'mdi:update', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.HEARTBEAT_INTERVAL: {'name': ['controller', 'Heartbeat_Interval'], 'level': logging.DEBUG, 'unit': 's', 'ha': {'dev': 'controller', 'dev_cla': None, 'stat_cla': None, 'id': 'heartbeat_intval_', 'fmt': '| string + " s"', 'name': 'Heartbeat Interval', 'icon': 'mdi:update', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.IP_ADRESS: {'name': ['controller', 'IP_Adress'], 'level': logging.DEBUG, 'unit': '', 'ha': {'dev': 'controller', 'dev_cla': None, 'stat_cla': None, 'id': 'ip_adress_', 'fmt': '| string', 'name': 'IP Adress', 'icon': 'mdi:wifi', 'ent_cat': 'diagnostic'}}, # noqa: E501
Register.IP_ADDRESS: {'name': ['controller', 'IP_Address'], 'level': logging.DEBUG, 'unit': '', 'ha': {'dev': 'controller', 'dev_cla': None, 'stat_cla': None, 'id': 'ip_address_', 'fmt': '| string', 'name': 'IP Address', 'icon': 'mdi:wifi', 'ent_cat': 'diagnostic'}}, # noqa: E501
}
@property

174
app/src/modbus.py Normal file
View File

@@ -0,0 +1,174 @@
import struct
import logging
from typing import Generator
if __name__ == "app.src.modbus":
from app.src.infos import Register
else: # pragma: no cover
from infos import Register
#######
# TSUN uses the Modbus in the RTU transmission mode.
# see: https://modbus.org/docs/Modbus_over_serial_line_V1_02.pdf
#
# A Modbus PDU consists of: 'Function-Code' + 'Data'
# A Modbus RTU message consists of: 'Addr' + 'Modbus-PDU' + 'CRC-16'
#
# The 16-bit CRC is known as CRC-16-ANSI(reverse)
# see: https://en.wikipedia.org/wiki/Computation_of_cyclic_redundancy_checks
#######
CRC_POLY = 0xA001 # (LSBF/reverse)
CRC_INIT = 0xFFFF
class Modbus():
INV_ADDR = 1
READ_REGS = 3
READ_INPUTS = 4
WRITE_SINGLE_REG = 6
'''Modbus function codes'''
__crc_tab = []
map = {
0x2007: {'reg': Register.MAX_DESIGNED_POWER, 'fmt': '!H', 'ratio': 1}, # noqa: E501
# 0x????: {'reg': Register.INVERTER_STATUS, 'fmt': '!H'}, # noqa: E501
0x3008: {'reg': Register.VERSION, 'fmt': '!H', 'eval': "f'v{(result>>12)}.{(result>>8)&0xf}.{(result>>4)&0xf}{result&0xf}'"}, # noqa: E501
0x3009: {'reg': Register.GRID_VOLTAGE, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x300a: {'reg': Register.GRID_CURRENT, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
0x300b: {'reg': Register.GRID_FREQUENCY, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
0x300c: {'reg': Register.INVERTER_TEMP, 'fmt': '!H', 'eval': 'result-40'}, # noqa: E501
# 0x300d
0x300e: {'reg': Register.RATED_POWER, 'fmt': '!H', 'ratio': 1}, # noqa: E501
0x300f: {'reg': Register.OUTPUT_POWER, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x3010: {'reg': Register.PV1_VOLTAGE, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x3011: {'reg': Register.PV1_CURRENT, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
0x3012: {'reg': Register.PV1_POWER, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x3013: {'reg': Register.PV2_VOLTAGE, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x3014: {'reg': Register.PV2_CURRENT, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
0x3015: {'reg': Register.PV2_POWER, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x3016: {'reg': Register.PV3_VOLTAGE, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x3017: {'reg': Register.PV3_CURRENT, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
0x3018: {'reg': Register.PV3_POWER, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x3019: {'reg': Register.PV4_VOLTAGE, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x301a: {'reg': Register.PV4_CURRENT, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
0x301b: {'reg': Register.PV4_POWER, 'fmt': '!H', 'ratio': 0.1}, # noqa: E501
0x301c: {'reg': Register.DAILY_GENERATION, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
# 0x301d: {'reg': Register.TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01}, # noqa: E501
0x301f: {'reg': Register.PV1_DAILY_GENERATION, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
# 0x3020: {'reg': Register.PV1_TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01}, # noqa: E501
0x3022: {'reg': Register.PV2_DAILY_GENERATION, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
# 0x3023: {'reg': Register.PV2_TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01}, # noqa: E501
0x3025: {'reg': Register.PV3_DAILY_GENERATION, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
# 0x3026: {'reg': Register.PV3_TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01}, # noqa: E501
0x3028: {'reg': Register.PV4_DAILY_GENERATION, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501
# 0x3029: {'reg': Register.PV4_TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01}, # noqa: E501
}
def __init__(self):
if not len(self.__crc_tab):
self.__build_crc_tab(CRC_POLY)
self.last_fcode = 0
self.last_len = 0
self.last_reg = 0
self.err = 0
def build_msg(self, addr, func, reg, val):
msg = struct.pack('>BBHH', addr, func, reg, val)
msg += struct.pack('<H', self.__calc_crc(msg))
self.last_fcode = func
self.last_reg = reg
self.last_len = val
self.err = 0
return msg
def recv_req(self, buf: bytearray) -> bool:
# logging.info(f'recv_req: first byte modbus:{buf[0]} len:{len(buf)}')
if not self.check_crc(buf):
self.err = 1
logging.error('Modbus: CRC error')
return False
if buf[0] != self.INV_ADDR:
self.err = 2
logging.info(f'Modbus: Wrong addr{buf[0]}')
return False
res = struct.unpack_from('>BHH', buf, 1)
self.last_fcode = res[0]
self.last_reg = res[1]
self.last_len = res[2]
self.err = 0
return True
def recv_resp(self, info_db, buf: bytearray, node_id: str) -> \
Generator[tuple[str, bool], None, None]:
# logging.info(f'recv_resp: first byte modbus:{buf[0]} len:{len(buf)}')
if not self.check_crc(buf):
logging.error('Modbus: CRC error')
self.err = 1
return
if buf[0] != self.INV_ADDR:
logging.info(f'Modbus: Wrong addr {buf[0]}')
self.err = 2
return
if buf[1] != self.last_fcode:
logging.info(f'Modbus: Wrong fcode {buf[1]} != {self.last_fcode}')
self.err = 3
return
elmlen = buf[2] >> 1
if elmlen != self.last_len:
logging.info(f'Modbus: len error {elmlen} != {self.last_len}')
self.err = 4
return
self.err = 0
for i in range(0, elmlen):
val = struct.unpack_from('>H', buf, 3+2*i)
addr = self.last_reg+i
# logging.info(f'Modbus: 0x{addr:04x}: {val[0]}')
if addr in self.map:
row = self.map[addr]
info_id = row['reg']
result = val[0]
# fmt = row['fmt']
# res = struct.unpack_from(fmt, buf, addr)
# result = res[0]
if 'eval' in row:
result = eval(row['eval'])
if 'ratio' in row:
result = round(result * row['ratio'], 2)
keys, level, unit, must_incr = info_db._key_obj(info_id)
if keys:
name, update = info_db.update_db(keys, must_incr, result)
yield keys[0], update
else:
name = str(f'info-id.0x{addr:x}')
update = False
if update:
info_db.tracer.log(level,
f'MODBUS[{node_id}]: {name} : {result}'
f'{unit}')
def check_crc(self, msg) -> bool:
return 0 == self.__calc_crc(msg)
def __calc_crc(self, buffer: bytes) -> int:
crc = CRC_INIT
for cur in buffer:
crc = (crc >> 8) ^ self.__crc_tab[(crc ^ cur) & 0xFF]
return crc
def __build_crc_tab(self, poly) -> None:
for index in range(256):
data = index << 1
crc = 0
for _ in range(8, 0, -1):
data >>= 1
if (data ^ crc) & 1:
crc = (crc >> 1) ^ poly
else:
crc >>= 1
self.__crc_tab.append(crc)

108
app/src/mqtt.py
View File

@@ -1,22 +1,15 @@
import asyncio
import logging
import aiomqtt
import traceback
from modbus import Modbus
from messages import Message
from config import Config
from singleton import Singleton
logger_mqtt = logging.getLogger('mqtt')
class Singleton(type):
_instances = {}
def __call__(cls, *args, **kwargs):
logger_mqtt.debug('singleton: __call__')
if cls not in cls._instances:
cls._instances[cls] = super(Singleton,
cls).__call__(*args, **kwargs)
return cls._instances[cls]
class Mqtt(metaclass=Singleton):
__client = None
__cb_MqttIsUp = None
@@ -65,6 +58,12 @@ class Mqtt(metaclass=Singleton):
password=mqtt['passwd'])
interval = 5 # Seconds
ha_status_topic = f"{ha['auto_conf_prefix']}/status"
mb_rated_topic = "tsun/+/rated_load" # fixme
mb_reads_topic = "tsun/+/modbus_read_regs" # fixme
mb_inputs_topic = "tsun/+/modbus_read_inputs" # fixme
mb_at_cmd_topic = "tsun/+/at_cmd" # fixme
while True:
try:
async with self.__client:
@@ -74,16 +73,36 @@ class Mqtt(metaclass=Singleton):
await self.__cb_MqttIsUp()
# async with self.__client.messages() as messages:
await self.__client.subscribe(
f"{ha['auto_conf_prefix']}"
"/status")
await self.__client.subscribe(ha_status_topic)
await self.__client.subscribe(mb_rated_topic)
await self.__client.subscribe(mb_reads_topic)
await self.__client.subscribe(mb_inputs_topic)
await self.__client.subscribe(mb_at_cmd_topic)
async for message in self.__client.messages:
status = message.payload.decode("UTF-8")
logger_mqtt.info('Home-Assistant Status:'
f' {status}')
if status == 'online':
self.ha_restarts += 1
await self.__cb_MqttIsUp()
if message.topic.matches(ha_status_topic):
status = message.payload.decode("UTF-8")
logger_mqtt.info('Home-Assistant Status:'
f' {status}')
if status == 'online':
self.ha_restarts += 1
await self.__cb_MqttIsUp()
if message.topic.matches(mb_rated_topic):
await self.modbus_cmd(message,
Modbus.WRITE_SINGLE_REG,
1, 0x2008)
if message.topic.matches(mb_reads_topic):
await self.modbus_cmd(message,
Modbus.READ_REGS, 2)
if message.topic.matches(mb_inputs_topic):
await self.modbus_cmd(message,
Modbus.READ_INPUTS, 2)
if message.topic.matches(mb_at_cmd_topic):
await self.at_cmd(message)
except aiomqtt.MqttError:
if Config.is_default('mqtt'):
@@ -101,3 +120,52 @@ class Mqtt(metaclass=Singleton):
logger_mqtt.debug("MQTT task cancelled")
self.__client = None
return
except Exception:
# self.inc_counter('SW_Exception') # fixme
logger_mqtt.error(
f"Exception:\n"
f"{traceback.format_exc()}")
def each_inverter(self, message, func_name: str):
topic = str(message.topic)
node_id = topic.split('/')[1] + '/'
for m in Message:
if m.server_side and not m.closed and (m.node_id == node_id):
logger_mqtt.debug(f'Found: {node_id}')
fnc = getattr(m, func_name, None)
if callable(fnc):
yield fnc
else:
logger_mqtt.warning(f'Cmd not supported by: {node_id}')
else:
logger_mqtt.warning(f'Node_id: {node_id} not found')
async def modbus_cmd(self, message, func, params=0, addr=0, val=0):
topic = str(message.topic)
node_id = topic.split('/')[1] + '/'
# refactor into a loop over a table
payload = message.payload.decode("UTF-8")
logger_mqtt.info(f'InvCnf: {node_id}:{payload}')
for m in Message:
if m.server_side and not m.closed and (m.node_id == node_id):
logger_mqtt.info(f'Found: {node_id}')
fnc = getattr(m, "send_modbus_cmd", None)
res = payload.split(',')
if params != len(res):
logger_mqtt.error(f'Parameter expected: {params}, '
f'got: {len(res)}')
return
if callable(fnc):
if params == 1:
val = int(payload)
elif params == 2:
addr = int(res[0], base=16)
val = int(res[1]) # lenght
await fnc(func, addr, val)
async def at_cmd(self, message):
payload = message.payload.decode("UTF-8")
for fnc in self.each_inverter(message, "send_at_cmd"):
await fnc(payload)

15
app/src/scheduler.py
View File

@@ -3,6 +3,8 @@ import json
from mqtt import Mqtt
from aiocron import crontab
from infos import ClrAtMidnight
from modbus import Modbus
from messages import Message
logger_mqtt = logging.getLogger('mqtt')
@@ -17,7 +19,9 @@ class Schedule:
cls.mqtt = Mqtt(None)
crontab('0 0 * * *', func=cls.atmidnight, start=True)
# crontab('*/5 * * * *', func=cls.atmidnight, start=True)
# every minute
crontab('* * * * *', func=cls.regular_modbus_cmds, start=True)
@classmethod
async def atmidnight(cls) -> None:
@@ -28,3 +32,12 @@ class Schedule:
logger_mqtt.debug(f'{key}: {data}')
data_json = json.dumps(data)
await cls.mqtt.publish(f"{key}", data_json)
@classmethod
async def regular_modbus_cmds(cls):
# logging.info("Regular Modbus requests")
for m in Message:
if m.server_side:
fnc = getattr(m, "send_modbus_cmd", None)
if callable(fnc):
await fnc(Modbus.READ_REGS, 0x3008, 20)

9
app/src/singleton.py Normal file
View File

@@ -0,0 +1,9 @@
class Singleton(type):
_instances = {}
def __call__(cls, *args, **kwargs):
# logger_mqtt.debug('singleton: __call__')
if cls not in cls._instances:
cls._instances[cls] = super(Singleton,
cls).__call__(*args, **kwargs)
return cls._instances[cls]

4
app/tests/test_infos.py
View File

@@ -17,13 +17,13 @@ def test_statistic_counter():
assert val == None or val == 0
i.static_init() # initialize counter
assert json.dumps(i.stat) == json.dumps({"proxy": {"Inverter_Cnt": 0, "Unknown_SNR": 0, "Unknown_Msg": 0, "Invalid_Data_Type": 0, "Internal_Error": 0,"Unknown_Ctrl": 0, "OTA_Start_Msg": 0, "SW_Exception": 0, "Invalid_Msg_Format": 0, "AT_Command": 0}})
assert json.dumps(i.stat) == json.dumps({"proxy": {"Inverter_Cnt": 0, "Unknown_SNR": 0, "Unknown_Msg": 0, "Invalid_Data_Type": 0, "Internal_Error": 0,"Unknown_Ctrl": 0, "OTA_Start_Msg": 0, "SW_Exception": 0, "Invalid_Msg_Format": 0, "AT_Command": 0, "Modbus_Command": 0}})
val = i.dev_value(Register.INVERTER_CNT) # valid and initiliazed addr
assert val == 0
i.inc_counter('Inverter_Cnt')
assert json.dumps(i.stat) == json.dumps({"proxy": {"Inverter_Cnt": 1, "Unknown_SNR": 0, "Unknown_Msg": 0, "Invalid_Data_Type": 0, "Internal_Error": 0,"Unknown_Ctrl": 0, "OTA_Start_Msg": 0, "SW_Exception": 0, "Invalid_Msg_Format": 0, "AT_Command": 0}})
assert json.dumps(i.stat) == json.dumps({"proxy": {"Inverter_Cnt": 1, "Unknown_SNR": 0, "Unknown_Msg": 0, "Invalid_Data_Type": 0, "Internal_Error": 0,"Unknown_Ctrl": 0, "OTA_Start_Msg": 0, "SW_Exception": 0, "Invalid_Msg_Format": 0, "AT_Command": 0, "Modbus_Command": 0}})
val = i.dev_value(Register.INVERTER_CNT)
assert val == 1

2
app/tests/test_infos_g3p.py
View File

@@ -70,7 +70,7 @@ def test_parse_4110(DeviceData: bytes):
pass
assert json.dumps(i.db) == json.dumps({
'controller': {"Data_Up_Interval": 300, "Collect_Interval": 1, "Heartbeat_Interval": 120, "Signal_Strength": 100, "IP_Adress": "192.168.80.49"},
'controller': {"Data_Up_Interval": 300, "Collect_Interval": 1, "Heartbeat_Interval": 120, "Signal_Strength": 100, "IP_Address": "192.168.80.49"},
'collector': {"Chip_Model": "LSW5BLE_17_02B0_1.05", "Collector_Fw_Version": "V1.1.00.0B"},
})

41
app/tests/test_modbus.py Normal file
View File

@@ -0,0 +1,41 @@
# test_with_pytest.py
# import pytest, logging
from app.src.modbus import Modbus
from app.src.infos import Infos
class TestHelper(Modbus):
def __init__(self):
super().__init__()
self.db = Infos()
def test_modbus_crc():
mb = Modbus()
assert 0x0b02 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x04')
assert 0 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x04\x02\x0b')
assert mb.check_crc(b'\x01\x06\x20\x08\x00\x04\x02\x0b')
assert 0xc803 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x00')
assert 0 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x00\x03\xc8')
assert mb.check_crc(b'\x01\x06\x20\x08\x00\x00\x03\xc8')
def test_build_modbus_pdu():
mb = Modbus()
pdu = mb.build_msg(1,6,0x2000,0x12)
assert pdu == b'\x01\x06\x20\x00\x00\x12\x02\x07'
assert mb.check_crc(pdu)
def test_build_recv():
mb = TestHelper()
pdu = mb.build_msg(1,3,0x300e,0x2)
assert pdu == b'\x01\x03\x30\x0e\x00\x02\xaa\xc8'
assert mb.check_crc(pdu)
call = 0
for key, update in mb.recv_resp(mb.db, b'\x01\x03\x04\x01\x2c\x00\x46\xbb\xf4', 'test'):
if key == 'grid':
assert update == True
elif key == 'inverter':
assert update == True
else:
assert False
call += 1
assert 2 == call

21
app/tests/test_solarman.py
View File

@@ -6,6 +6,9 @@ from app.src.gen3plus.solarman_v5 import SolarmanV5
from app.src.config import Config
from app.src.infos import Infos, Register
pytest_plugins = ('pytest_asyncio',)
# initialize the proxy statistics
Infos.static_init()
@@ -54,6 +57,9 @@ class MemoryStream(SolarmanV5):
pass
return copied_bytes
async def async_write(self, headline=''):
pass
def _SolarmanV5__flush_recv_msg(self) -> None:
super()._SolarmanV5__flush_recv_msg()
self.msg_count += 1
@@ -725,7 +731,7 @@ def test_device_rsp(ConfigTsunInv1, DeviceRspMsg):
assert m.data_len == 0x0a
assert m._recv_buffer==b''
assert m._send_buffer==b''
assert m._forward_buffer==b'' # DeviceRspMsg
assert m._forward_buffer==DeviceRspMsg
assert m.db.stat['proxy']['Invalid_Msg_Format'] == 0
m.close()
@@ -743,7 +749,7 @@ def test_inverter_rsp(ConfigTsunInv1, InverterRspMsg):
assert m.data_len == 0x0a
assert m._recv_buffer==b''
assert m._send_buffer==b''
assert m._forward_buffer==b'' # InverterRspMsg
assert m._forward_buffer==InverterRspMsg
assert m.db.stat['proxy']['Invalid_Msg_Format'] == 0
m.close()
@@ -779,7 +785,7 @@ def test_heartbeat_rsp(ConfigTsunInv1, HeartbeatRspMsg):
assert m.data_len == 0x0a
assert m._recv_buffer==b''
assert m._send_buffer==b''
assert m._forward_buffer==b'' # HeartbeatRspMsg
assert m._forward_buffer==HeartbeatRspMsg
assert m.db.stat['proxy']['Invalid_Msg_Format'] == 0
m.close()
@@ -820,7 +826,7 @@ def test_sync_start_rsp(ConfigTsunInv1, SyncStartRspMsg):
assert m.data_len == 0x0a
assert m._recv_buffer==b''
assert m._send_buffer==b''
assert m._forward_buffer==b'' # HeartbeatRspMsg
assert m._forward_buffer==SyncStartRspMsg
assert m.db.stat['proxy']['Invalid_Msg_Format'] == 0
m.close()
@@ -856,7 +862,7 @@ def test_sync_end_rsp(ConfigTsunInv1, SyncEndRspMsg):
assert m.data_len == 0x0a
assert m._recv_buffer==b''
assert m._send_buffer==b''
assert m._forward_buffer==b'' # HeartbeatRspMsg
assert m._forward_buffer==SyncEndRspMsg
assert m.db.stat['proxy']['Invalid_Msg_Format'] == 0
m.close()
@@ -942,7 +948,8 @@ def test_build_logger_modell(ConfigTsunAllowAll, DeviceIndMsg):
assert 'V1.1.00.0B' == m.db.get_db_value(Register.COLLECTOR_FW_VERSION, 0).rstrip('\00')
m.close()
def test_AT_cmd(ConfigTsunAllowAll, DeviceIndMsg, DeviceRspMsg, AtCommandIndMsg):
@pytest.mark.asyncio
async def test_AT_cmd(ConfigTsunAllowAll, DeviceIndMsg, DeviceRspMsg, AtCommandIndMsg):
ConfigTsunAllowAll
m = MemoryStream(DeviceIndMsg, (0,), True)
m.read()
@@ -954,7 +961,7 @@ def test_AT_cmd(ConfigTsunAllowAll, DeviceIndMsg, DeviceRspMsg, AtCommandIndMsg)
m._send_buffer = bytearray(0) # clear send buffer for next test
m._forward_buffer = bytearray(0) # clear send buffer for next test
m.send_at_cmd('AT+TIME=214028,1,60,120')
await m.send_at_cmd('AT+TIME=214028,1,60,120')
assert m._recv_buffer==b''
assert m._send_buffer==AtCommandIndMsg
assert m._forward_buffer==b''

158
app/tests/test_talent.py
View File

@@ -3,6 +3,10 @@ import pytest, logging
from app.src.gen3.talent import Talent, Control
from app.src.config import Config
from app.src.infos import Infos
from app.src.modbus import Modbus
pytest_plugins = ('pytest_asyncio',)
# initialize the proxy statistics
Infos.static_init()
@@ -19,6 +23,7 @@ class MemoryStream(Talent):
self.__chunk_idx = 0
self.msg_count = 0
self.addr = 'Test: SrvSide'
self.send_msg_ofs = 0
def append_msg(self, msg):
self.__msg += msg
@@ -50,6 +55,10 @@ class MemoryStream(Talent):
self.msg_count += 1
return
async def async_write(self, headline=''):
pass
@pytest.fixture
def MsgContactInfo(): # Contact Info message
@@ -170,6 +179,35 @@ def MsgOtaAck(): # Over the air update rewuest from tsun cloud
def MsgOtaInvalid(): # Get Time Request message
return b'\x00\x00\x00\x14\x10R170000000000001\x99\x13\x01'
@pytest.fixture
def MsgModbusCmd():
msg = b'\x00\x00\x00\x20\x10R170000000000001'
msg += b'\x70\x77\x00\x01\xa3\x28\x08\x01\x06\x20\x08'
msg += b'\x00\x00\x03\xc8'
return msg
@pytest.fixture
def MsgModbusRsp():
msg = b'\x00\x00\x00\x20\x10R170000000000001'
msg += b'\x91\x77\x17\x18\x19\x1a\x08\x01\x06\x20\x08'
msg += b'\x00\x00\x03\xc8'
return msg
@pytest.fixture
def MsgModbusInv():
msg = b'\x00\x00\x00\x20\x10R170000000000001'
msg += b'\x99\x77\x17\x18\x19\x1a\x08\x01\x06\x20\x08'
msg += b'\x00\x00\x03\xc8'
return msg
@pytest.fixture
def MsgModbusResp20():
msg = b'\x00\x00\x00\x45\x10R170000000000001'
msg += b'\x91\x77\x17\x18\x19\x1a\x2d\x01\x03\x28\x51'
msg += b'\x09\x08\xd3\x00\x29\x13\x87\x00\x3e\x00\x00\x01\x2c\x03\xb4\x00'
msg += b'\x08\x00\x00\x00\x00\x01\x59\x01\x21\x03\xe6\x00\x00\x00\x00\x00'
msg += b'\x00\x00\x00\x00\x00\x00\x00\xdb\x6b'
return msg
def test_read_message(MsgContactInfo):
m = MemoryStream(MsgContactInfo, (0,))
@@ -740,3 +778,123 @@ def test_proxy_counter():
assert Infos.new_stat_data == {'proxy': True}
assert 0 == m.db.stat['proxy']['Unknown_Msg']
m.close()
def test_msg_modbus_req(ConfigTsunInv1, MsgModbusCmd):
ConfigTsunInv1
m = MemoryStream(MsgModbusCmd, (0,), False)
m.db.stat['proxy']['Unknown_Ctrl'] = 0
m.db.stat['proxy']['Modbus_Command'] = 0
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.msg_count == 1
assert m.id_str == b"R170000000000001"
assert m.unique_id == 'R170000000000001'
assert int(m.ctrl)==112
assert m.msg_id==119
assert m.header_len==23
assert m.data_len==13
assert m._forward_buffer==MsgModbusCmd
assert m._send_buffer==b''
assert m.db.stat['proxy']['Unknown_Ctrl'] == 0
assert m.db.stat['proxy']['Modbus_Command'] == 1
m.close()
def test_msg_modbus_rsp1(ConfigTsunInv1, MsgModbusRsp):
ConfigTsunInv1
m = MemoryStream(MsgModbusRsp, (0,), False)
m.db.stat['proxy']['Unknown_Ctrl'] = 0
m.db.stat['proxy']['Modbus_Command'] = 0
m.forward_modbus_resp = False
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.msg_count == 1
assert m.id_str == b"R170000000000001"
assert m.unique_id == 'R170000000000001'
assert int(m.ctrl)==145
assert m.msg_id==119
assert m.header_len==23
assert m.data_len==13
assert m._forward_buffer==b''
assert m._send_buffer==b''
assert m.db.stat['proxy']['Unknown_Ctrl'] == 0
assert m.db.stat['proxy']['Modbus_Command'] == 0
m.close()
def test_msg_modbus_rsp2(ConfigTsunInv1, MsgModbusRsp):
ConfigTsunInv1
m = MemoryStream(MsgModbusRsp, (0,), False)
m.db.stat['proxy']['Unknown_Ctrl'] = 0
m.db.stat['proxy']['Modbus_Command'] = 0
m.forward_modbus_resp = True
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.msg_count == 1
assert m.id_str == b"R170000000000001"
assert m.unique_id == 'R170000000000001'
assert int(m.ctrl)==145
assert m.msg_id==119
assert m.header_len==23
assert m.data_len==13
assert m._forward_buffer==MsgModbusRsp
assert m._send_buffer==b''
assert m.db.stat['proxy']['Unknown_Ctrl'] == 0
assert m.db.stat['proxy']['Modbus_Command'] == 0
m.close()
def test_msg_modbus_invalid(ConfigTsunInv1, MsgModbusInv):
ConfigTsunInv1
m = MemoryStream(MsgModbusInv, (0,), False)
m.db.stat['proxy']['Unknown_Ctrl'] = 0
m.db.stat['proxy']['Modbus_Command'] = 0
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.msg_count == 1
assert m.id_str == b"R170000000000001"
assert m.unique_id == 'R170000000000001'
assert int(m.ctrl)==153
assert m.msg_id==119
assert m.header_len==23
assert m.data_len==13
assert m._forward_buffer==MsgModbusInv
assert m._send_buffer==b''
assert m.db.stat['proxy']['Unknown_Ctrl'] == 1
assert m.db.stat['proxy']['Modbus_Command'] == 0
m.close()
def test_msg_modbus_fragment(ConfigTsunInv1, MsgModbusResp20):
ConfigTsunInv1
# receive more bytes than expected (7 bytes from the next msg)
m = MemoryStream(MsgModbusResp20+b'\x00\x00\x00\x45\x10\x52\x31', (0,))
m.db.stat['proxy']['Unknown_Ctrl'] = 0
m.db.stat['proxy']['Modbus_Command'] = 0
m.forward_modbus_resp = True
m.mb.last_fcode = 3
m.mb.last_len = 20
m.mb.last_reg = 0x3008
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.msg_count == 1
assert m.id_str == b"R170000000000001"
assert m.unique_id == 'R170000000000001'
assert int(m.ctrl)==0x91
assert m.msg_id==119
assert m.header_len==23
assert m.data_len==50
assert m._forward_buffer==MsgModbusResp20
assert m._send_buffer==b''
assert m.mb.err == 0
assert m.modbus_elms == 20-1 # register 0x300d is unknown, so one value can't be mapped
assert m.db.stat['proxy']['Unknown_Ctrl'] == 0
assert m.db.stat['proxy']['Modbus_Command'] == 0
m.close()
@pytest.mark.asyncio
async def test_msg_build_modbus_req(ConfigTsunInv1, MsgModbusCmd):
ConfigTsunInv1
m = MemoryStream(b'', (0,), False)
m.id_str = b"R170000000000001"
await m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0)
assert 0==m.send_msg_ofs
assert m._forward_buffer==b''
assert m._send_buffer==MsgModbusCmd
m.close()

2
system_tests/test_tcp_socket.py
View File

@@ -224,7 +224,7 @@ def test_send_inv_data(ClientConnection, MsgTimeStampReq, MsgTimeStampResp, MsgI
data = s.recv(1024)
except TimeoutError:
pass
# time.sleep(32.5)
time.sleep(32.5)
# assert data == MsgTimeStampResp
try:
s.sendall(MsgInvData)