lin22.ldf

/*******************************************************/
/* This is the example LDF from LIN 2.2A specification */
/*******************************************************/

// Source: https://lin-cia.org/fileadmin/microsites/lin-cia.org/resources/documents/LIN_2.2A.pdf

LIN_description_file;
LIN_protocol_version = "2.2";
LIN_language_version = "2.2";
LIN_speed = 19.2 kbps;
Channel_name = "DB";

Nodes {
	Master: CEM, 5 ms, 0.1 ms;
	Slaves: LSM, RSM;
}

Signals {
	InternalLightsRequest: 2, 0, CEM, LSM, RSM;
	RightIntLightsSwitch: 8, 0, RSM, CEM;
	LeftIntLightsSwitch: 8, 0, LSM, CEM;
	LSMerror: 1, 0, LSM, CEM;
	RSMerror: 1, 0, RSM, CEM;
	IntTest: 2, 0, LSM, CEM;
}

Frames {
	CEM_Frm1: 0x01, CEM, 1 {
		InternalLightsRequest, 0;
	}
	LSM_Frm1: 0x02, LSM, 2 {
		LeftIntLightsSwitch, 8;
	}
	LSM_Frm2: 0x03, LSM, 1 {
		LSMerror, 0;
		IntTest, 1;
	}
	RSM_Frm1: 0x04, RSM, 2 {
		RightIntLightsSwitch, 8;
	}
	RSM_Frm2: 0x05, RSM, 1 {
		RSMerror, 0;
	}
}

Event_triggered_frames {
	Node_Status_Event : Collision_resolver, 0x06, RSM_Frm1, LSM_Frm1;
}

Node_attributes {
	RSM {
		LIN_protocol = "2.0";
		configured_NAD = 0x20;
		product_id = 0x4E4E, 0x4553, 1;
		response_error = RSMerror;
		P2_min = 150 ms;
		ST_min = 50 ms;
		configurable_frames {
			Node_Status_Event=0x000; CEM_Frm1 = 0x0001; RSM_Frm1 = 0x0002;
			RSM_Frm2 = 0x0003;
		}
	}
	LSM {
		LIN_protocol = "2.2";
		configured_NAD = 0x21;
		initial_NAD = 0x01;
		product_id = 0x4A4F, 0x4841;
		response_error = LSMerror;
		fault_state_signals = IntTest;
		P2_min = 150 ms;
		ST_min = 50 ms;
		configurable_frames {
			Node_Status_Event;
			CEM_Frm1;
			LSM_Frm1;
			LSM_Frm2;
		}
	}
}

Schedule_tables {
	Configuration_Schedule {
		AssignNAD {LSM} delay 15 ms;
		AssignFrameIdRange {LSM, 0} delay 15 ms;
		AssignFrameId {RSM, CEM_Frm1} delay 15 ms;
		AssignFrameId {RSM, RSM_Frm1} delay 15 ms;
		AssignFrameId {RSM, RSM_Frm2} delay 15 ms;
	}
	Normal_Schedule {
		CEM_Frm1 delay 15 ms;
		LSM_Frm2 delay 15 ms;
		RSM_Frm2 delay 15 ms;
		Node_Status_Event delay 10 ms;
	}
	MRF_schedule {
		MasterReq delay 10 ms;
	}
	SRF_schedule {
		SlaveResp delay 10 ms;
	}
	Collision_resolver { // Keep timing of other frames if collision
		CEM_Frm1 delay 15 ms;
		LSM_Frm2 delay 15 ms;
		RSM_Frm2 delay 15 ms;
		RSM_Frm1 delay 10 ms; // Poll the RSM node
		CEM_Frm1 delay 15 ms;
		LSM_Frm2 delay 15 ms;
		RSM_Frm2 delay 15 ms;
		LSM_Frm1 delay 10 ms; // Poll the LSM node
	}
}

Signal_encoding_types {
	Dig2Bit {
		logical_value, 0, "off";
		logical_value, 1, "on";
		logical_value, 2, "error";
		logical_value, 3, "void";
	}
	ErrorEncoding {
		logical_value, 0, "OK";
		logical_value, 1, "error";
	}
	FaultStateEncoding {
		logical_value, 0, "No test result";
		logical_value, 1, "failed";
		logical_value, 2, "passed";
		logical_value, 3, "not used";
	}
	LightEncoding {
		logical_value, 0, "Off";
		physical_value, 1, 254, 1, 100, "lux";
		logical_value, 255, "error";
	}
}
Signal_representation {
	Dig2Bit: InternalLightsRequest;
	ErrorEncoding: RSMerror, LSMerror;
	LightEncoding: RightIntLightsSwitch, LeftIntLightsSwitch;
}