inverter_bot: refactor and introduce new functions

1 files changed, 556 insertions, 0 deletions

diff --git a/src/home/inverter/emulator.py b/src/home/inverter/emulator.py
new file mode 100644
index 0000000..e86b8bb
--- /dev/null
+++ b/src/home/inverter/emulator.py
@@ -0,0 +1,556 @@
+import asyncio
+import logging
+
+from inverterd import Format
+
+from typing import Union
+from enum import Enum
+from ..util import Addr, stringify
+
+
+class InverterEnum(Enum):
+    def as_text(self) -> str:
+        raise RuntimeError('abstract method')
+
+
+class BatteryType(InverterEnum):
+    AGM = 0
+    Flooded = 1
+    User = 2
+
+    def as_text(self) -> str:
+        return ('AGM', 'Flooded', 'User')[self.value]
+
+
+class InputVoltageRange(InverterEnum):
+    Appliance = 0
+    USP = 1
+
+    def as_text(self) -> str:
+        return ('Appliance', 'USP')[self.value]
+
+
+class OutputSourcePriority(InverterEnum):
+    SolarUtilityBattery = 0
+    SolarBatteryUtility = 1
+
+    def as_text(self) -> str:
+        return ('Solar-Utility-Battery', 'Solar-Battery-Utility')[self.value]
+
+
+class ChargeSourcePriority(InverterEnum):
+    SolarFirst = 0
+    SolarAndUtility = 1
+    SolarOnly = 2
+
+    def as_text(self) -> str:
+        return ('Solar-First', 'Solar-and-Utility', 'Solar-only')[self.value]
+
+
+class MachineType(InverterEnum):
+    OffGridTie = 0
+    GridTie = 1
+
+    def as_text(self) -> str:
+        return ('Off-Grid-Tie', 'Grid-Tie')[self.value]
+
+
+class Topology(InverterEnum):
+    TransformerLess = 0
+    Transformer = 1
+
+    def as_text(self) -> str:
+        return ('Transformer-less', 'Transformer')[self.value]
+
+
+class OutputMode(InverterEnum):
+    SingleOutput = 0
+    ParallelOutput = 1
+    Phase_1_of_3 = 2
+    Phase_2_of_3 = 3
+    Phase_3_of_3 = 4
+
+    def as_text(self) -> str:
+        return (
+            'Single output',
+            'Parallel output',
+            'Phase 1 of 3-phase output',
+            'Phase 2 of 3-phase output',
+            'Phase 3 of 3-phase'
+        )[self.value]
+
+
+class SolarPowerPriority(InverterEnum):
+    BatteryLoadUtility = 0
+    LoadBatteryUtility = 1
+
+    def as_text(self) -> str:
+        return ('Battery-Load-Utility', 'Load-Battery-Utility')[self.value]
+
+
+class MPPTChargerStatus(InverterEnum):
+    Abnormal = 0
+    NotCharging = 1
+    Charging = 2
+
+    def as_text(self) -> str:
+        return ('Abnormal', 'Not charging', 'Charging')[self.value]
+
+
+class BatteryPowerDirection(InverterEnum):
+    DoNothing = 0
+    Charge = 1
+    Discharge = 2
+
+    def as_text(self) -> str:
+        return ('Do nothing', 'Charge', 'Discharge')[self.value]
+
+
+class DC_AC_PowerDirection(InverterEnum):
+    DoNothing = 0
+    AC_DC = 1
+    DC_AC = 2
+
+    def as_text(self) -> str:
+        return ('Do nothing', 'AC/DC', 'DC/AC')[self.value]
+
+
+class LinePowerDirection(InverterEnum):
+    DoNothing = 0
+    Input = 1
+    Output = 2
+
+    def as_text(self) -> str:
+        return ('Do nothing', 'Input', 'Output')[self.value]
+
+
+class WorkingMode(InverterEnum):
+    PowerOnMode = 0
+    StandbyMode = 1
+    BypassMode = 2
+    BatteryMode = 3
+    FaultMode = 4
+    HybridMode = 5
+
+    def as_text(self) -> str:
+        return (
+            'Power on mode',
+            'Standby mode',
+            'Bypass mode',
+            'Battery mode',
+            'Fault mode',
+            'Hybrid mode'
+        )[self.value]
+
+
+class ParallelConnectionStatus(InverterEnum):
+    NotExistent = 0
+    Existent = 1
+
+    def as_text(self) -> str:
+        return ('Non-existent', 'Existent')[self.value]
+
+
+class LoadConnectionStatus(InverterEnum):
+    Disconnected = 0
+    Connected = 1
+
+    def as_text(self) -> str:
+        return ('Disconnected', 'Connected')[self.value]
+
+
+class ConfigurationStatus(InverterEnum):
+    Default = 0
+    Changed = 1
+
+    def as_text(self) -> str:
+        return ('Default', 'Changed')[self.value]
+
+
+_g_human_readable = {"grid_voltage": "Grid voltage",
+                     "grid_freq": "Grid frequency",
+                     "ac_output_voltage": "AC output voltage",
+                     "ac_output_freq": "AC output frequency",
+                     "ac_output_apparent_power": "AC output apparent power",
+                     "ac_output_active_power": "AC output active power",
+                     "output_load_percent": "Output load percent",
+                     "battery_voltage": "Battery voltage",
+                     "battery_voltage_scc": "Battery voltage from SCC",
+                     "battery_voltage_scc2": "Battery voltage from SCC2",
+                     "battery_discharge_current": "Battery discharge current",
+                     "battery_charge_current": "Battery charge current",
+                     "battery_capacity": "Battery capacity",
+                     "inverter_heat_sink_temp": "Inverter heat sink temperature",
+                     "mppt1_charger_temp": "MPPT1 charger temperature",
+                     "mppt2_charger_temp": "MPPT2 charger temperature",
+                     "pv1_input_power": "PV1 input power",
+                     "pv2_input_power": "PV2 input power",
+                     "pv1_input_voltage": "PV1 input voltage",
+                     "pv2_input_voltage": "PV2 input voltage",
+                     "configuration_status": "Configuration state",
+                     "mppt1_charger_status": "MPPT1 charger status",
+                     "mppt2_charger_status": "MPPT2 charger status",
+                     "load_connected": "Load connection",
+                     "battery_power_direction": "Battery power direction",
+                     "dc_ac_power_direction": "DC/AC power direction",
+                     "line_power_direction": "Line power direction",
+                     "local_parallel_id": "Local parallel ID",
+                     "ac_input_rating_voltage": "AC input rating voltage",
+                     "ac_input_rating_current": "AC input rating current",
+                     "ac_output_rating_voltage": "AC output rating voltage",
+                     "ac_output_rating_freq": "AC output rating frequency",
+                     "ac_output_rating_current": "AC output rating current",
+                     "ac_output_rating_apparent_power": "AC output rating apparent power",
+                     "ac_output_rating_active_power": "AC output rating active power",
+                     "battery_rating_voltage": "Battery rating voltage",
+                     "battery_recharge_voltage": "Battery re-charge voltage",
+                     "battery_redischarge_voltage": "Battery re-discharge voltage",
+                     "battery_under_voltage": "Battery under voltage",
+                     "battery_bulk_voltage": "Battery bulk voltage",
+                     "battery_float_voltage": "Battery float voltage",
+                     "battery_type": "Battery type",
+                     "max_charge_current": "Max charge current",
+                     "max_ac_charge_current": "Max AC charge current",
+                     "input_voltage_range": "Input voltage range",
+                     "output_source_priority": "Output source priority",
+                     "charge_source_priority": "Charge source priority",
+                     "parallel_max_num": "Parallel max num",
+                     "machine_type": "Machine type",
+                     "topology": "Topology",
+                     "output_mode": "Output mode",
+                     "solar_power_priority": "Solar power priority",
+                     "mppt": "MPPT string",
+                     "fault_code": "Fault code",
+                     "line_fail": "Line fail",
+                     "output_circuit_short": "Output circuit short",
+                     "inverter_over_temperature": "Inverter over temperature",
+                     "fan_lock": "Fan lock",
+                     "battery_voltage_high": "Battery voltage high",
+                     "battery_low": "Battery low",
+                     "battery_under": "Battery under",
+                     "over_load": "Over load",
+                     "eeprom_fail": "EEPROM fail",
+                     "power_limit": "Power limit",
+                     "pv1_voltage_high": "PV1 voltage high",
+                     "pv2_voltage_high": "PV2 voltage high",
+                     "mppt1_overload_warning": "MPPT1 overload warning",
+                     "mppt2_overload_warning": "MPPT2 overload warning",
+                     "battery_too_low_to_charge_for_scc1": "Battery too low to charge for SCC1",
+                     "battery_too_low_to_charge_for_scc2": "Battery too low to charge for SCC2",
+                     "buzzer": "Buzzer",
+                     "overload_bypass": "Overload bypass function",
+                     "escape_to_default_screen_after_1min_timeout": "Escape to default screen after 1min timeout",
+                     "overload_restart": "Overload restart",
+                     "over_temp_restart": "Over temperature restart",
+                     "backlight_on": "Backlight on",
+                     "alarm_on_on_primary_source_interrupt": "Alarm on on primary source interrupt",
+                     "fault_code_record": "Fault code record",
+                     "wh": "Wh"}
+
+
+class InverterEmulator:
+    def __init__(self, addr: Addr, wait=True):
+        self.status = {"grid_voltage": {"unit": "V", "value": 236.3},
+                       "grid_freq": {"unit": "Hz", "value": 50.0},
+                       "ac_output_voltage": {"unit": "V", "value": 229.9},
+                       "ac_output_freq": {"unit": "Hz", "value": 50.0},
+                       "ac_output_apparent_power": {"unit": "VA", "value": 207},
+                       "ac_output_active_power": {"unit": "Wh", "value": 146},
+                       "output_load_percent": {"unit": "%", "value": 4},
+                       "battery_voltage": {"unit": "V", "value": 49.1},
+                       "battery_voltage_scc": {"unit": "V", "value": 0.0},
+                       "battery_voltage_scc2": {"unit": "V", "value": 0.0},
+                       "battery_discharge_current": {"unit": "A", "value": 3},
+                       "battery_charge_current": {"unit": "A", "value": 0},
+                       "battery_capacity": {"unit": "%", "value": 69},
+                       "inverter_heat_sink_temp": {"unit": "°C", "value": 17},
+                       "mppt1_charger_temp": {"unit": "°C", "value": 0},
+                       "mppt2_charger_temp": {"unit": "°C", "value": 0},
+                       "pv1_input_power": {"unit": "Wh", "value": 0},
+                       "pv2_input_power": {"unit": "Wh", "value": 0},
+                       "pv1_input_voltage": {"unit": "V", "value": 0.0},
+                       "pv2_input_voltage": {"unit": "V", "value": 0.0},
+                       "configuration_status": ConfigurationStatus.Default,
+                       "mppt1_charger_status": MPPTChargerStatus.Abnormal,
+                       "mppt2_charger_status": MPPTChargerStatus.Abnormal,
+                       "load_connected": LoadConnectionStatus.Connected,
+                       "battery_power_direction": BatteryPowerDirection.Discharge,
+                       "dc_ac_power_direction": DC_AC_PowerDirection.DC_AC,
+                       "line_power_direction": LinePowerDirection.DoNothing,
+                       "local_parallel_id": 0}
+
+        self.rated = {"ac_input_rating_voltage": {"unit": "V", "value": 230.0},
+                      "ac_input_rating_current": {"unit": "A", "value": 21.7},
+                      "ac_output_rating_voltage": {"unit": "V", "value": 230.0},
+                      "ac_output_rating_freq": {"unit": "Hz", "value": 50.0},
+                      "ac_output_rating_current": {"unit": "A", "value": 21.7},
+                      "ac_output_rating_apparent_power": {"unit": "VA", "value": 5000},
+                      "ac_output_rating_active_power": {"unit": "Wh", "value": 5000},
+                      "battery_rating_voltage": {"unit": "V", "value": 48.0},
+                      "battery_recharge_voltage": {"unit": "V", "value": 48.0},
+                      "battery_redischarge_voltage": {"unit": "V", "value": 55.0},
+                      "battery_under_voltage": {"unit": "V", "value": 42.0},
+                      "battery_bulk_voltage": {"unit": "V", "value": 57.6},
+                      "battery_float_voltage": {"unit": "V", "value": 54.0},
+                      "battery_type": BatteryType.User,
+                      "max_charge_current": {"unit": "A", "value": 60},
+                      "max_ac_charge_current": {"unit": "A", "value": 30},
+                      "input_voltage_range": InputVoltageRange.Appliance,
+                      "output_source_priority": OutputSourcePriority.SolarBatteryUtility,
+                      "charge_source_priority": ChargeSourcePriority.SolarAndUtility,
+                      "parallel_max_num": 6,
+                      "machine_type": MachineType.OffGridTie,
+                      "topology": Topology.TransformerLess,
+                      "output_mode": OutputMode.SingleOutput,
+                      "solar_power_priority": SolarPowerPriority.LoadBatteryUtility,
+                      "mppt": "2"}
+
+        self.errors = {"fault_code": 0,
+                       "line_fail": False,
+                       "output_circuit_short": False,
+                       "inverter_over_temperature": False,
+                       "fan_lock": False,
+                       "battery_voltage_high": False,
+                       "battery_low": False,
+                       "battery_under": False,
+                       "over_load": False,
+                       "eeprom_fail": False,
+                       "power_limit": False,
+                       "pv1_voltage_high": False,
+                       "pv2_voltage_high": False,
+                       "mppt1_overload_warning": False,
+                       "mppt2_overload_warning": False,
+                       "battery_too_low_to_charge_for_scc1": False,
+                       "battery_too_low_to_charge_for_scc2": False}
+
+        self.flags = {"buzzer": False,
+                      "overload_bypass": True,
+                      "escape_to_default_screen_after_1min_timeout": False,
+                      "overload_restart": True,
+                      "over_temp_restart": True,
+                      "backlight_on": False,
+                      "alarm_on_on_primary_source_interrupt": True,
+                      "fault_code_record": False}
+
+        self.day_generated = 1000
+
+        self.logger = logging.getLogger(self.__class__.__name__)
+
+        host, port = addr
+        asyncio.run(self.run_server(host, port, wait))
+        # self.max_ac_charge_current = 30
+        # self.max_charge_current = 60
+        # self.charge_thresholds = [48, 54]
+
+    async def run_server(self, host, port, wait: bool):
+        server = await asyncio.start_server(self.client_handler, host, port)
+        async with server:
+            self.logger.info(f'listening on {host}:{port}')
+            if wait:
+                await server.serve_forever()
+            else:
+                asyncio.ensure_future(server.serve_forever())
+
+    async def client_handler(self, reader, writer):
+        client_fmt = Format.JSON
+
+        def w(s: str):
+            writer.write(s.encode('utf-8'))
+
+        def return_error(message=None):
+            w('err\r\n')
+            if message:
+                if client_fmt in (Format.JSON, Format.SIMPLE_JSON):
+                    w(stringify({
+                        'result': 'error',
+                        'message': message
+                    }))
+                elif client_fmt in (Format.TABLE, Format.SIMPLE_TABLE):
+                    w(f'error: {message}')
+                w('\r\n')
+            w('\r\n')
+
+        def return_ok(data=None):
+            w('ok\r\n')
+            if client_fmt in (Format.JSON, Format.SIMPLE_JSON):
+                jdata = {
+                    'result': 'ok'
+                }
+                if data:
+                    jdata['data'] = data
+                w(stringify(jdata))
+                w('\r\n')
+            elif data:
+                w(data)
+                w('\r\n')
+            w('\r\n')
+
+        request = None
+        while request != 'quit':
+            try:
+                request = await reader.read(255)
+                if request == b'\x04':
+                    break
+                request = request.decode('utf-8').strip()
+            except Exception:
+                break
+
+            if request.startswith('format '):
+                requested_format = request[7:]
+                try:
+                    client_fmt = Format(requested_format)
+                except ValueError:
+                    return_error('invalid format')
+
+                return_ok()
+
+            elif request.startswith('exec '):
+                buf = request[5:].split(' ')
+                command = buf[0]
+                args = buf[1:]
+
+                try:
+                    return_ok(self.process_command(client_fmt, command, *args))
+                except ValueError as e:
+                    return_error(str(e))
+
+            else:
+                return_error(f'invalid token: {request}')
+
+            try:
+                await writer.drain()
+            except ConnectionResetError as e:
+                # self.logger.exception(e)
+                pass
+
+        writer.close()
+
+    def process_command(self, fmt: Format, c: str, *args) -> Union[dict, str, list[int], None]:
+        ac_charge_currents = [2, 10, 20, 30, 40, 50, 60]
+
+        if c == 'get-status':
+            return self.format_dict(self.status, fmt)
+
+        elif c == 'get-rated':
+            return self.format_dict(self.rated, fmt)
+
+        elif c == 'get-errors':
+            return self.format_dict(self.errors, fmt)
+
+        elif c == 'get-flags':
+            return self.format_dict(self.flags, fmt)
+
+        elif c == 'get-day-generated':
+            return self.format_dict({'wh': 1000}, fmt)
+
+        elif c == 'get-allowed-ac-charge-currents':
+            return self.format_list(ac_charge_currents, fmt)
+
+        elif c == 'set-max-ac-charge-current':
+            if int(args[0]) != 0:
+                raise ValueError(f'invalid machine id: {args[0]}')
+            amps = int(args[1])
+            if amps not in ac_charge_currents:
+                raise ValueError(f'invalid value: {amps}')
+            self.rated['max_ac_charge_current']['value'] = amps
+
+        elif c == 'set-charge-thresholds':
+            self.rated['battery_recharge_voltage']['value'] = float(args[0])
+            self.rated['battery_redischarge_voltage']['value'] = float(args[1])
+
+        elif c == 'set-output-source-priority':
+            self.rated['output_source_priority'] = OutputSourcePriority.SolarBatteryUtility if args[0] == 'SBU' else OutputSourcePriority.SolarUtilityBattery
+
+        elif c == 'set-battery-cutoff-voltage':
+            self.rated['battery_under_voltage']['value'] = float(args[0])
+
+        elif c == 'set-flag':
+            flag = args[0]
+            val = bool(int(args[1]))
+
+            if flag == 'BUZZ':
+                k = 'buzzer'
+            elif flag == 'OLBP':
+                k = 'overload_bypass'
+            elif flag == 'LCDE':
+                k = 'escape_to_default_screen_after_1min_timeout'
+            elif flag == 'OLRS':
+                k = 'overload_restart'
+            elif flag == 'OTRS':
+                k = 'over_temp_restart'
+            elif flag == 'BLON':
+                k = 'backlight_on'
+            elif flag == 'ALRM':
+                k = 'alarm_on_on_primary_source_interrupt'
+            elif flag == 'FTCR':
+                k = 'fault_code_record'
+            else:
+                raise ValueError('invalid flag')
+
+            self.flags[k] = val
+
+        else:
+            raise ValueError(f'{c}: unsupported command')
+
+    @staticmethod
+    def format_list(values: list, fmt: Format) -> Union[str, list]:
+        if fmt in (Format.JSON, Format.SIMPLE_JSON):
+            return values
+        return '\n'.join(map(lambda v: str(v), values))
+
+    @staticmethod
+    def format_dict(data: dict, fmt: Format) -> Union[str, dict]:
+        new_data = {}
+        for k, v in data.items():
+            new_val = None
+            if fmt in (Format.JSON, Format.TABLE, Format.SIMPLE_TABLE):
+                if isinstance(v, dict):
+                    new_val = v
+                elif isinstance(v, InverterEnum):
+                    new_val = v.as_text()
+                else:
+                    new_val = v
+            elif fmt == Format.SIMPLE_JSON:
+                if isinstance(v, dict):
+                    new_val = v['value']
+                elif isinstance(v, InverterEnum):
+                    new_val = v.value
+                else:
+                    new_val = str(v)
+            new_data[k] = new_val
+
+        if fmt in (Format.JSON, Format.SIMPLE_JSON):
+            return new_data
+
+        lines = []
+
+        if fmt == Format.SIMPLE_TABLE:
+            for k, v in new_data.items():
+                buf = k
+                if isinstance(v, dict):
+                    buf += ' ' + str(v['value']) + ' ' + v['unit']
+                elif isinstance(v, InverterEnum):
+                    buf += ' ' + v.as_text()
+                else:
+                    buf += ' ' + str(v)
+                lines.append(buf)
+
+        elif fmt == Format.TABLE:
+            max_k_len = 0
+            for k in new_data.keys():
+                if len(_g_human_readable[k]) > max_k_len:
+                    max_k_len = len(_g_human_readable[k])
+            for k, v in new_data.items():
+                buf = _g_human_readable[k] + ':'
+                buf += ' ' * (max_k_len - len(_g_human_readable[k]) + 1)
+                if isinstance(v, dict):
+                    buf += str(v['value']) + ' ' + v['unit']
+                elif isinstance(v, InverterEnum):
+                    buf += v.as_text()
+                elif isinstance(v, bool):
+                    buf += str(int(v))
+                else:
+                    buf += str(v)
+                lines.append(buf)
+
+        return '\n'.join(lines)