linmsg2.c

基于MC908QY4的LIN从站通信例程

/******************************************************************************
*
*       Copyright (C) 2003 Motorola, Inc.
*       All Rights Reserved
*
* Filename:     $RCSfile: LINmsg.c,v $
* Author:       $Author: r57404 $
* Locker:       $Locker:  $
* State:        $State: Exp $
* Revision:     $Revision: 1.3 $
*
* Functions:    LIN header file for message configuration
*
* History:      Use the RCS command log to display revision history
*               information.
*
* Description:  
*
* Notes:        Users should alter this file to define the required LIN messages
*
*
******************************************************************************/

//includes
#include "LINdriver.h"

/*************** LIN Frame setup dependant variables **************************/
/*                                                                            */
/* This is where the user will define the frames used in the application      */
/*                                                                            */
/******************************************************************************/

//Define what messages will be used in the application, as "Message0xID", where
//ID is the message id in hex with the parity bits included.
//Define the frame data field for each message - the data field can be 2, 4 or 8 
//bytes long.

//U8 volatile Message0x1A[2];         // id 0x1A = 0x1A with parity
//U8 volatile Message0x5B[2];         // id 0x1B = 0x5B with parity , low sensor, high switch
U8 volatile Message0x50[2];					// id 0x10 = 0x50 with parity
U8 volatile Message0x11[2];					// id 0x11 = 0x11 with parity
//U8 volatile Message0x08[2];

/* Pointer array pointing to all frames, must be setup in the same order as 
   IdTbl[] and MessageCountTbl[]                                             */
U8 volatile * MessagePointerTbl[] = {Message0x50,Message0x11};  

/* Relevant identifier table (array), must be setup in the same order as 
   *MessagePointerTbl[] and MessageCountTbl[]. Remember that the id must have 
   parity bits included.                                                     */
U8 const near IdTbl[] = {0x50,0x11};

/* Table below defines number of bytes in the message data and shows if the 
message should be sent or received. The LSHB is the length of data frame +1 
(checksum) (e.g. Message0x20[4]=> LSHB= 5)                                   */
/*LSHB = Byte count incl Checksum;     MSHB =>F=Ignore, 1 = Receive,  0 = Send;
Must be setup in the same order as .....*/
U8 const near MessageCountTbl[] = {0x13, 0x03}; 

//LIN_LIST_SIZE is the number of Id:s in the IdTbl[]
#define LIN_LIST_SIZE   (( sizeof(IdTbl)) / sizeof( IdTbl[0] ) )

//No_of_Ids is the number of Ids in IdTbl[]
U8 const No_of_Ids = LIN_LIST_SIZE;

U8 volatile LinMsgStatus[LIN_LIST_SIZE]; //to store message status, 
                                         //e.g. LIN_MSG_NODATA or LIN_MSG_UPDATED

/*************** END LIN Frame setup dependant variables. *********************/