Files
MicrOBU/obu-firmware/external/vanetza-idf/asn1/EN302637-2v141-CAM.asn
T
Ashin Walpola d107534eb2 Keep vanetza-idf in obu-firmware, so a plain clone builds the firmware
obu-firmware builds against the vanetza-idf C-ITS library, which until now
came from the colleague's microbu-esp32c5 tree beside the repository and was
not tracked here, so a clone of this repository could not build the firmware
it ships. The library alone is now part of obu-firmware, as
obu-firmware/external/vanetza-idf: their external/vanetza-idf at commit
cf4b99f, unchanged (9775 files; see its PROVENANCE.md). CMake takes it from
there by default; -DVANETZA_IDF_DIR still points the build elsewhere.

The rest of the colleague's tree (their own VAM firmware, PKI tooling,
station-link Python tools, the V2X2MAP bridge) stays out of this repository
and gitignored; nothing is pushed to their repository. NOTES.md, docs/06,
TODO.md and the pcap verifier's usage line point at the new location.
2026-09-24 10:56:05 +02:00

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CAM-PDU-Descriptions {
itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) en (302637) cam (2) version (2)
}
DEFINITIONS AUTOMATIC TAGS ::=
BEGIN
IMPORTS
ItsPduHeader, CauseCode, ReferencePosition, AccelerationControl, Curvature, CurvatureCalculationMode, Heading, LanePosition, EmergencyPriority, EmbarkationStatus, Speed, DriveDirection, LongitudinalAcceleration, LateralAcceleration, VerticalAcceleration, StationType, ExteriorLights, DangerousGoodsBasic, SpecialTransportType, LightBarSirenInUse, VehicleRole, VehicleLength, VehicleWidth, PathHistory, RoadworksSubCauseCode, ClosedLanes, TrafficRule, SpeedLimit, SteeringWheelAngle, PerformanceClass, YawRate, ProtectedCommunicationZone, PtActivation, Latitude, Longitude, ProtectedCommunicationZonesRSU, CenDsrcTollingZone FROM ITS-Container {
itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) ts (102894) cdd (2) version (2)
};
-- The root data frame for cooperative awareness messages
CAM ::= SEQUENCE {
header ItsPduHeader,
cam CoopAwareness
}
CoopAwareness ::= SEQUENCE {
generationDeltaTime GenerationDeltaTime,
camParameters CamParameters
}
CamParameters ::= SEQUENCE {
basicContainer BasicContainer,
highFrequencyContainer HighFrequencyContainer,
lowFrequencyContainer LowFrequencyContainer OPTIONAL,
specialVehicleContainer SpecialVehicleContainer OPTIONAL,
...
}
HighFrequencyContainer ::= CHOICE {
basicVehicleContainerHighFrequency BasicVehicleContainerHighFrequency,
rsuContainerHighFrequency RSUContainerHighFrequency,
...
}
LowFrequencyContainer ::= CHOICE {
basicVehicleContainerLowFrequency BasicVehicleContainerLowFrequency,
...
}
SpecialVehicleContainer ::= CHOICE {
publicTransportContainer PublicTransportContainer,
specialTransportContainer SpecialTransportContainer,
dangerousGoodsContainer DangerousGoodsContainer,
roadWorksContainerBasic RoadWorksContainerBasic,
rescueContainer RescueContainer,
emergencyContainer EmergencyContainer,
safetyCarContainer SafetyCarContainer,
...
}
BasicContainer ::= SEQUENCE {
stationType StationType,
referencePosition ReferencePosition,
...
}
BasicVehicleContainerHighFrequency ::= SEQUENCE {
heading Heading,
speed Speed,
driveDirection DriveDirection,
vehicleLength VehicleLength,
vehicleWidth VehicleWidth,
longitudinalAcceleration LongitudinalAcceleration,
curvature Curvature,
curvatureCalculationMode CurvatureCalculationMode,
yawRate YawRate,
accelerationControl AccelerationControl OPTIONAL,
lanePosition LanePosition OPTIONAL,
steeringWheelAngle SteeringWheelAngle OPTIONAL,
lateralAcceleration LateralAcceleration OPTIONAL,
verticalAcceleration VerticalAcceleration OPTIONAL,
performanceClass PerformanceClass OPTIONAL,
cenDsrcTollingZone CenDsrcTollingZone OPTIONAL
}
BasicVehicleContainerLowFrequency ::= SEQUENCE {
vehicleRole VehicleRole,
exteriorLights ExteriorLights,
pathHistory PathHistory
}
PublicTransportContainer ::= SEQUENCE {
embarkationStatus EmbarkationStatus,
ptActivation PtActivation OPTIONAL
}
SpecialTransportContainer ::= SEQUENCE {
specialTransportType SpecialTransportType,
lightBarSirenInUse LightBarSirenInUse
}
DangerousGoodsContainer ::= SEQUENCE {
dangerousGoodsBasic DangerousGoodsBasic
}
RoadWorksContainerBasic ::= SEQUENCE {
roadworksSubCauseCode RoadworksSubCauseCode OPTIONAL,
lightBarSirenInUse LightBarSirenInUse,
closedLanes ClosedLanes OPTIONAL
}
RescueContainer ::= SEQUENCE {
lightBarSirenInUse LightBarSirenInUse
}
EmergencyContainer ::= SEQUENCE {
lightBarSirenInUse LightBarSirenInUse,
incidentIndication CauseCode OPTIONAL,
emergencyPriority EmergencyPriority OPTIONAL
}
SafetyCarContainer ::= SEQUENCE {
lightBarSirenInUse LightBarSirenInUse,
incidentIndication CauseCode OPTIONAL,
trafficRule TrafficRule OPTIONAL,
speedLimit SpeedLimit OPTIONAL
}
RSUContainerHighFrequency ::= SEQUENCE {
protectedCommunicationZonesRSU ProtectedCommunicationZonesRSU OPTIONAL,
...
}
GenerationDeltaTime ::= INTEGER { oneMilliSec(1) } (0..65535)
END