107 lines
4.1 KiB
Python
107 lines
4.1 KiB
Python
from ..message_base import MessageBase
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from ..constants import (
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Subaddress, RadarMode, RadarDesignationStatus, IntBitStatus, StandbyStatus,
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FreezeStatus, DegradedStatus, RfRadiationStatus, TransitionStatus, AcquisitionResult,
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RWSSubmode, SpotFunction, ACMSubmode, GMSubmode, ExpandFunction, RangeScale,
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BarScan, AzimuthScan, VelocityScale, ZoomCommand, MapOrientation, SarFeasibility
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)
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from ..fields import BitField, EnumField
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class MsgB7(MessageBase):
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"""
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Message B7: Radar Status Tell-Back
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ID: B7
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Direction: RT -> BC (Transmit)
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Subaddress: 17
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Rate: 25 Hz
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Document Ref: 7.2.7
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Contains:
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- Current Operational Mode (Tell-back of A2)
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- Status flags (Radiation, Acquisition result, Degradation)
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- Function feedback
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"""
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SUBADDRESS = Subaddress.TX_STATUS_TB
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IS_TRANSMIT = True
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RATE_HZ = 25
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WORD_COUNT = 3 # ICD Spec: 3 Words
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# --- Word 01: Radar Mode Tell-Back (Ref 7.2.7.1) ---
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# Bits 00-03: Master Mode Tell-Back
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master_mode_tb = EnumField(word_index=0, start_bit=0, width=4, enum_cls=RadarMode)
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# Bits 04-07: Radar Designation Status
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designation_status = EnumField(word_index=0, start_bit=4, width=4, enum_cls=RadarDesignationStatus)
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# Bit 08: INT-BIT Status (0=Normal, 1=In Progress)
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int_bit_status = EnumField(word_index=0, start_bit=8, width=1, enum_cls=IntBitStatus)
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# Bit 09: STBY Tell-Back
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standby_status = EnumField(word_index=0, start_bit=9, width=1, enum_cls=StandbyStatus)
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# Bit 10: FREEZE Tell-Back
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freeze_status = EnumField(word_index=0, start_bit=10, width=1, enum_cls=FreezeStatus)
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# Bit 11: Degraded Performance Status
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degraded_status = EnumField(word_index=0, start_bit=11, width=1, enum_cls=DegradedStatus)
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# Bit 12: Reserved (set to 0)
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reserved_w1_b12 = BitField(word_index=0, start_bit=12, width=1)
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# Bit 13: RF Radiation Status (0=ON, 1=OFF)
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rf_radiation_status = EnumField(word_index=0, start_bit=13, width=1, enum_cls=RfRadiationStatus)
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# Bit 14: Transition Status (0=No Trans, 1=In Progress)
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transition_status = EnumField(word_index=0, start_bit=14, width=1, enum_cls=TransitionStatus)
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# Bit 15: Last Acquisition Result (0=Fail, 1=Success)
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last_acq_result = EnumField(word_index=0, start_bit=15, width=1, enum_cls=AcquisitionResult)
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# --- Word 02: Radar Functions and Parameters Tell-Back #1 (Ref 7.2.7.2) ---
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# Bit 00: RWS Submode TB
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rws_submode_tb = EnumField(word_index=1, start_bit=0, width=1, enum_cls=RWSSubmode)
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# Bit 01: SPOT Function TB
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spot_function_tb = EnumField(word_index=1, start_bit=1, width=1, enum_cls=SpotFunction)
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# Bits 02-04: ACM Submode TB
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acm_submode_tb = EnumField(word_index=1, start_bit=2, width=3, enum_cls=ACMSubmode)
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# Bit 05: GM Submode TB
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gm_submode_tb = EnumField(word_index=1, start_bit=5, width=1, enum_cls=GMSubmode)
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# Bits 06-07: Expand Function TB
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expand_function_tb = EnumField(word_index=1, start_bit=6, width=2, enum_cls=ExpandFunction)
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# Bits 08-09: Range Scale TB
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range_scale_tb = EnumField(word_index=1, start_bit=8, width=2, enum_cls=RangeScale)
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# Bits 10-11: Number of Bars TB
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bar_scan_tb = EnumField(word_index=1, start_bit=10, width=2, enum_cls=BarScan)
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# Bits 12-13: Azimuth Scan Width TB
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azimuth_scan_tb = EnumField(word_index=1, start_bit=12, width=2, enum_cls=AzimuthScan)
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# Bit 14: Velocity Scale TB
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velocity_scale_tb = 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 Tell-Back #2 (Ref 7.2.7.3) ---
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# Bits 00-03: Not Applicable
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# Bits 04-05: Zoom Command Tell-Back
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zoom_cmd_tb = EnumField(word_index=2, start_bit=4, width=2, enum_cls=ZoomCommand)
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# Bits 06-07: SAR Map Orientation Tell-Back
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map_orientation_tb = EnumField(word_index=2, start_bit=6, width=2, enum_cls=MapOrientation)
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# Bit 08: SAR Feasibility for Cursor
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sar_feasible_cursor = EnumField(word_index=2, start_bit=8, width=1, enum_cls=SarFeasibility)
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# Bit 09: SAR Feasibility for SPOI
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sar_feasible_spoi = EnumField(word_index=2, start_bit=9, width=1, enum_cls=SarFeasibility) |