sv/tsun-gen3-proxy
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add dcu_power MQTT topic

Browse Source
This commit is contained in:
Stefan Allius
2025-05-18 15:55:46 +02:00
parent c1bdec0844
commit 1491e42913
4 changed files with 146 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
app/src/mqtt.py Normal file → Executable file
View File

@@ -2,6 +2,7 @@ import asyncio
import logging
import aiomqtt
import traceback
import struct
from modbus import Modbus
from messages import Message
@@ -32,6 +33,7 @@ class Mqtt(metaclass=Singleton):
self.ha_status_topic = f"{ha['auto_conf_prefix']}/status"
self.mb_rated_topic = f"{ha['entity_prefix']}/+/rated_load"
self.mb_out_coeff_topic = f"{ha['entity_prefix']}/+/out_coeff"
self.dcu_power_topic = f"{ha['entity_prefix']}/+/dcu_power"
self.mb_reads_topic = f"{ha['entity_prefix']}/+/modbus_read_regs"
self.mb_inputs_topic = f"{ha['entity_prefix']}/+/modbus_read_inputs"
self.mb_at_cmd_topic = f"{ha['entity_prefix']}/+/at_cmd"
@@ -85,6 +87,7 @@ class Mqtt(metaclass=Singleton):
await self.__client.subscribe(self.ha_status_topic)
await self.__client.subscribe(self.mb_rated_topic)
await self.__client.subscribe(self.mb_out_coeff_topic)
await self.__client.subscribe(self.dcu_power_topic)
await self.__client.subscribe(self.mb_reads_topic)
await self.__client.subscribe(self.mb_inputs_topic)
await self.__client.subscribe(self.mb_at_cmd_topic)
@@ -148,6 +151,9 @@ class Mqtt(metaclass=Singleton):
except Exception:
pass
if message.topic.matches(self.dcu_power_topic):
self.dcu_cmd(message)
if message.topic.matches(self.mb_reads_topic):
await self.modbus_cmd(message,
Modbus.READ_REGS, 2)
@@ -194,3 +200,18 @@ class Mqtt(metaclass=Singleton):
payload = message.payload.decode("UTF-8")
for fnc in self.each_inverter(message, "send_at_cmd"):
await fnc(payload)
def dcu_cmd(self, message):
payload = message.payload.decode("UTF-8")
try:
val = round(float(payload) * 10)
if val < 1000 or val > 8000:
logger_mqtt.error('dcu_power: value must be in'
'the range 100..800,'
f' got: {payload}')
else:
pdu = struct.pack('>BBBBBBH', 1, 1, 6, 1, 0, 1, val)
for fnc in self.each_inverter(message, "send_dcu_cmd"):
fnc(pdu)
except Exception:
pass