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package openxc;
option java_package = "com.openxc";
option java_outer_classname = "BinaryMessages";
message VehicleMessage {
enum Type { RAW = 1; TRANSLATED = 2; DIAGNOSTIC = 3; CONTROL_COMMAND = 4;
COMMAND_RESPONSE = 5; }
optional Type type = 1;
optional RawMessage raw_message = 2;
optional TranslatedMessage translated_message = 3;
optional DiagnosticResponse diagnostic_response = 4;
optional ControlCommand control_command = 5;
optional CommandResponse command_response = 6;
}
message RawMessage {
enum FrameFormat {
STANDARD = 1;
EXTENDED = 2;
}
optional int32 bus = 1;
optional uint32 message_id = 2;
optional bytes data = 3;
optional FrameFormat format = 4;
}
message ControlCommand {
enum Type {
VERSION = 1;
DEVICE_ID = 2;
DIAGNOSTIC = 3;
PASSTHROUGH = 4;
ACCEPTANCE_FILTER_BYPASS = 5;
PAYLOAD_FORMAT = 6;
PREDEFINED_OBD2_REQUESTS = 7;
}
optional Type type = 1;
optional DiagnosticControlCommand diagnostic_request = 2;
optional PassthroughModeControlCommand passthrough_mode_request = 3;
optional AcceptanceFilterBypassCommand acceptance_filter_bypass_command = 4;
optional PayloadFormatCommand payload_format_command = 5;
optional PredefinedObd2RequestsCommand predefined_obd2_requests_command = 6;
}
message DiagnosticControlCommand {
enum Action { ADD = 1; CANCEL = 2; }
optional DiagnosticRequest request = 1;
optional Action action = 2;
}
message PassthroughModeControlCommand {
optional int32 bus = 1;
optional bool enabled = 2;
}
message AcceptanceFilterBypassCommand {
optional int32 bus = 1;
optional bool bypass = 2;
}
message PayloadFormatCommand {
enum PayloadFormat {
JSON = 1;
PROTOBUF = 2;
}
optional PayloadFormat format = 1;
}
message PredefinedObd2RequestsCommand {
optional bool enabled = 1;
}
message CommandResponse {
optional ControlCommand.Type type = 1;
optional string message = 2;
optional bool status = 3;
}
message DiagnosticRequest {
enum DecodedType { NONE = 1; OBD2 = 2; }
optional int32 bus = 1;
optional uint32 message_id = 2;
optional uint32 mode = 3;
optional uint32 pid = 4;
// TODO we are capping this at 8 bytes for now - need to change when we
// support multi-frame responses
optional bytes payload = 5;
optional bool multiple_responses = 6;
optional double frequency = 7;
optional string name = 8;
optional DecodedType decoded_type = 9;
}
message DiagnosticResponse {
optional int32 bus = 1;
optional uint32 message_id = 2;
optional uint32 mode = 3;
optional uint32 pid = 4;
optional bool success = 5;
optional uint32 negative_response_code = 6;
// TODO we are capping this at 8 bytes for now - need to change when we
// support multi-frame responses
optional bytes payload = 7;
optional double value = 8;
}
message DynamicField {
enum Type { STRING = 1; NUM = 2; BOOL = 3; }
optional Type type = 1;
optional string string_value = 2;
optional double numeric_value = 3;
optional bool boolean_value = 4;
}
message TranslatedMessage {
enum Type { STRING = 1; NUM = 2; BOOL = 3;
EVENTED_STRING = 4; EVENTED_NUM = 5; EVENTED_BOOL = 6;}
optional Type type = 1;
optional string name = 2;
optional DynamicField value = 3;
optional DynamicField event = 4;
}
// TODO we should also consider having an enum type, having each specific
// message defined as a protobuf
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