9756538f16
Organizes 11 projects for Cerbo GX/Venus OS into a single repository: - axiom-nmea: Raymarine LightHouse protocol decoder - dbus-generator-ramp: Generator current ramp controller - dbus-lightning: Blitzortung lightning monitor - dbus-meteoblue-forecast: Meteoblue weather forecast - dbus-no-foreign-land: noforeignland.com tracking - dbus-tides: Tide prediction from depth + harmonics - dbus-vrm-history: VRM cloud history proxy - dbus-windy-station: Windy.com weather upload - mfd-custom-app: MFD app deployment package - venus-html5-app: Custom Victron HTML5 app fork - watermaker: Watermaker PLC control UI Adds root README, .gitignore, project template, and per-project .gitignore files. Sensitive config files excluded via .gitignore with .example templates provided. Made-with: Cursor
83 lines
1.7 KiB
Python
83 lines
1.7 KiB
Python
"""
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Temperature-related NMEA sentences.
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MTW - Water Temperature
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MTA - Air Temperature (proprietary extension)
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"""
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from typing import Optional
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from ..sentence import NMEASentence
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class MTWSentence(NMEASentence):
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"""MTW - Water Temperature.
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Format:
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$IIMTW,T.T,C*CC
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Fields:
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1. Water temperature
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2. Unit (C = Celsius)
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Example:
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$IIMTW,26.5,C*1D
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"""
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talker_id = "II"
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sentence_type = "MTW"
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def __init__(self, temp_c: Optional[float] = None):
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"""Initialize MTW sentence.
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Args:
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temp_c: Water temperature in Celsius
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"""
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self.temp_c = temp_c
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def format_fields(self) -> Optional[str]:
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"""Format MTW fields."""
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if self.temp_c is None:
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return None
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return f"{self.temp_c:.1f},C"
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class MTASentence(NMEASentence):
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"""MTA - Air Temperature.
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Format:
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$IIMTA,T.T,C*CC
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Fields:
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1. Air temperature
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2. Unit (C = Celsius)
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Example:
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$IIMTA,24.8,C*0E
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Note:
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MTA is not a standard NMEA sentence but is commonly used
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as a proprietary extension for air temperature, following
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the same format as MTW (water temperature).
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Some devices may use XDR (transducer measurement) for air temp:
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$IIXDR,C,24.8,C,AirTemp*XX
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"""
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talker_id = "II"
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sentence_type = "MTA"
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def __init__(self, temp_c: Optional[float] = None):
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"""Initialize MTA sentence.
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Args:
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temp_c: Air temperature in Celsius
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"""
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self.temp_c = temp_c
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def format_fields(self) -> Optional[str]:
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"""Format MTA fields."""
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if self.temp_c is None:
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return None
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return f"{self.temp_c:.1f},C"
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