Refractor some. Add parsing of historical data.
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commit
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1 changed files with 95 additions and 38 deletions
133
solar_ble.py
133
solar_ble.py
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@ -6,6 +6,7 @@ import struct
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import sys
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import time
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from io import RawIOBase
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from typing import Optional, cast
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from bluepy import btle
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from libscrc import modbus
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@ -13,7 +14,6 @@ from libscrc import modbus
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from feasycom_ble import BTLEUart
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MAC = "DC:0D:30:9C:61:BA"
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INTERVAL = 15
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# write_service = "0000ffd0-0000-1000-8000-00805f9b34fb"
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# read_service = "0000fff0-0000-1000-8000-00805f9b34fb"
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@ -158,8 +158,6 @@ CMD_ = b"\xff\x78\x00\x00\x00\x01"
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# 3: Panel power: 4 W
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# ?: load_enabled
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STATUS = {}
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def parse_temperature(bin):
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if bin & 0x80:
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@ -172,16 +170,20 @@ def parse_battery_state(data: bytes) -> dict:
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res = dict(
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zip(
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(
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"battery_charge",
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"battery_voltage",
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"battery_current",
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"_internal_temperature?",
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"battery_temperature",
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"load_voltage",
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"load_current",
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"load_power",
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"battery_charge", # %
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"battery_voltage", # V
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"battery_current", # A
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"_internal_temperature?", # °C
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"battery_temperature", # °C
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"load_voltage", # V
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"load_current", # A
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"load_power", # W
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"panel_voltage", # V
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"panel_current", # A
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"panel_power", # W
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"load_enabled", # bool
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),
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struct.unpack("!HHHBBHHH", data),
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struct.unpack("!HHHBBHHHHHHx?", data),
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)
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)
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res["battery_voltage"] /= 10
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@ -190,29 +192,51 @@ def parse_battery_state(data: bytes) -> dict:
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res["load_current"] /= 100
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res["_internal_temperature?"] = parse_temperature(res["_internal_temperature?"])
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res["battery_temperature"] = parse_temperature(res["battery_temperature"])
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STATUS.update(res)
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res["panel_voltage"] /= 10
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res["panel_current"] /= 100
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log(str(res))
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return res
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# GET_PANEL_STATUS
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def parse_panel_status(data: bytes) -> dict:
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def parse_historical_entry(data: bytes) -> dict:
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res = dict(
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zip(
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("panel_voltage", "panel_current", "panel_power", "load_enabled"),
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struct.unpack("!HHHx?", data),
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(
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"battery_voltage_min", # V
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"battery_voltage_max", # V
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"unknown1",
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"unknown2",
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"charge_max_power",
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"discharge_max_power",
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"charge_amp_hour",
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"discharge_amp_hour",
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"production_power",
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"consumption_power",
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),
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struct.unpack_from("!10H", data),
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)
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)
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res["panel_voltage"] /= 10
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res["panel_current"] /= 100
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STATUS.update(res)
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res["battery_voltage_min"] /= 10
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res["battery_voltage_max"] /= 10
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# elif operation == 6 and cc == 1:
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# res = dict(zip(("load_enabled",), struct.unpack("!xxxxx?xx", data)))
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# STATUS.update(res)
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if len(data) > 20:
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res.update(
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dict(
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zip(
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(
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"run_days",
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"discharge_count",
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"full_charge_count",
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"total_charge_amp_hours",
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"total_discharge_amp_hours",
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"total_production_power",
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"total_consumption_power",
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),
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struct.unpack_from("!3H4L", data, offset=20),
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),
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)
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)
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log(str(res))
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return res
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@ -228,8 +252,8 @@ def construct_request(address, words=1, action=ACTION_READ, marker=0xFF):
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return struct.pack("!BBHH", marker, action, address, words)
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def log(string: str):
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print(datetime.datetime.utcnow().isoformat(" "), string)
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def log(message: object):
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print(datetime.datetime.utcnow().isoformat(" "), message)
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sys.stdout.flush()
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@ -268,9 +292,28 @@ def readMemory(fh: RawIOBase, address: int, words: int = 1):
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return data
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class Periodical:
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prev: float
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interval: float
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def __init__(self, interval: float, start: Optional[float] = None):
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self.prev = time.time() - interval if start is None else start
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self.interval = interval
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def __call__(self, now: Optional[float] = None) -> bool:
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if now is None:
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now = time.time()
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if (now - self.prev) >= self.interval:
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self.prev += self.interval
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return True
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return False
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if __name__ == "__main__":
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prev = time.time() - INTERVAL
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per_voltages = Periodical(interval=15)
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per_current_hist = Periodical(interval=60)
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while True:
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try:
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@ -284,21 +327,33 @@ if __name__ == "__main__":
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# for address in range(0, 0x10000, 16):
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# log(f"Reading 0x{address:04X}...")
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# write(wd, construct_request(address, 16))
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days = 7
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res = readMemory(dev, 0x010B, 21)
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if res:
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d = parse_historical_entry(res)
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log(d)
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days = cast(int, d.get("run_days", 7))
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for i in range(days):
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res = readMemory(dev, 0xF000 + i, 10)
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if res:
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d = parse_historical_entry(res)
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log({i: d})
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while True:
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now = time.time()
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diff = now - prev
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if diff >= INTERVAL:
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prev += INTERVAL
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res = readMemory(dev, 0x0107, 4) # CMD_GET_PANEL_STATUS
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if per_voltages(now):
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# CMD_GET_BATTERY_STATE + CMD_GET_PANEL_STATUS
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res = readMemory(dev, 0x0100, 11)
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if res:
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parse_panel_status(res)
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res = readMemory(dev, 0x0100, 7) # CMD_GET_BATTERY_STATE
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d = parse_battery_state(res)
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log(d)
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if per_current_hist(now):
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res = readMemory(dev, 0x010B, 21)
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if res:
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parse_battery_state(res)
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d = parse_historical_entry(res)
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log(d)
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# print(".")
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time.sleep(1)
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# if STATUS.get('load_enabled'):
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@ -309,3 +364,5 @@ if __name__ == "__main__":
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except btle.BTLEDisconnectError:
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log("ERROR: Disconnected")
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time.sleep(1)
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except KeyboardInterrupt:
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break
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