93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
from ..message_base import MessageBase
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from ..constants import (
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Subaddress, RadarMode, DesignationControl, IntBitStatus, StandbyStatus,
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FreezeStatus, RWSSubmode, SpotFunction, ACMSubmode, GMSubmode,
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ExpandFunction, RangeScale, BarScan, AzimuthScan, VelocityScale,
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ZoomCommand, MapOrientation
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)
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from ..fields import BitField, EnumField
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class MsgA2(MessageBase):
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"""
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Message A2: Radar Operation Command
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ID: A2
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Direction: BC -> RT (Receive)
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Subaddress: 02
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Rate: 25 Hz
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Document Ref: 7.1.2
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"""
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SUBADDRESS = Subaddress.RX_COMMAND
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IS_TRANSMIT = False
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RATE_HZ = 25
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# --- Word 01: Radar Mode Command (Ref 7.1.2.1) ---
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# Bits 00-03: Master Mode Selection
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master_mode = EnumField(word_index=0, start_bit=0, width=4, enum_cls=RadarMode)
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# Bits 04-07: Designation Control
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designation_ctrl = EnumField(word_index=0, start_bit=4, width=4, enum_cls=DesignationControl)
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# Bit 08: INT-BIT Function
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int_bit_req = EnumField(word_index=0, start_bit=8, width=1, enum_cls=IntBitStatus)
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# Bit 09: STBY Function
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standby_cmd = EnumField(word_index=0, start_bit=9, width=1, enum_cls=StandbyStatus)
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# Bit 10: FREEZE Function
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freeze_cmd = EnumField(word_index=0, start_bit=10, width=1, enum_cls=FreezeStatus)
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# Bit 11: Power-Up Stop (Reserved, set to Normal)
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pwr_up_stop_reserved = BitField(word_index=0, start_bit=11, width=1)
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# Bit 12: Reserved
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reserved_w1_b12 = BitField(word_index=0, start_bit=12, width=1)
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# Bit 13: Silence (Reserved, set to Off)
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silence_reserved = BitField(word_index=0, start_bit=13, width=1)
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# Bits 14-15: Spare
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# --- Word 02: Radar Functions and Parameters #1 (Ref 7.1.2.2) ---
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# Bit 00: RWS Submode
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rws_submode = EnumField(word_index=1, start_bit=0, width=1, enum_cls=RWSSubmode)
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# Bit 01: SPOT Function
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spot_function = EnumField(word_index=1, start_bit=1, width=1, enum_cls=SpotFunction)
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# Bits 02-04: ACM Submode
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acm_submode = EnumField(word_index=1, start_bit=2, width=3, enum_cls=ACMSubmode)
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# Bit 05: GM Submode
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gm_submode = EnumField(word_index=1, start_bit=5, width=1, enum_cls=GMSubmode)
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# Bits 06-07: Expand Function
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expand_function = EnumField(word_index=1, start_bit=6, width=2, enum_cls=ExpandFunction)
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# Bits 08-09: Range Scale
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range_scale = EnumField(word_index=1, start_bit=8, width=2, enum_cls=RangeScale)
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# Bits 10-11: Number of Bars
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bar_scan = EnumField(word_index=1, start_bit=10, width=2, enum_cls=BarScan)
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# Bits 12-13: Azimuth Scan Width
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azimuth_scan = EnumField(word_index=1, start_bit=12, width=2, enum_cls=AzimuthScan)
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# Bit 14: Velocity Scale
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velocity_scale = EnumField(word_index=1, start_bit=14, width=1, enum_cls=VelocityScale)
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# Bit 15: Spare
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# --- Word 03: Radar Functions and Parameters #2 (Ref 7.1.2.3) ---
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# Bits 00-03: Spare (Note 1 says Not Applicable, typically 0)
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# Bits 04-05: Zoom Command
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zoom_cmd = EnumField(word_index=2, start_bit=4, width=2, enum_cls=ZoomCommand)
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# Bits 06-07: SAR Map Orientation
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map_orientation = EnumField(word_index=2, start_bit=6, width=2, enum_cls=MapOrientation)
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# Bits 08-15: Spare |