lincfg.h

基于FREESCALE单片机9S08DZ60的LIN从节点的应用层源代码.LIN是通过UART串口来实现的.开发环境为CODEWARRIOR FOR HC08

#ifndef LINCFG_H
#define LINCFG_H
/******************************************************************************
*                                                       
*       Copyright (C) 2005 Freescale Semiconductor, Inc.
*       All Rights Reserved								              
*														                            
* Filename:     lincfg.h                
*														                            
* Revision:      										                    
*														                            
* Functions:    LIN Driver static configuration file for Freescale API
*														                            
* Description:  This is a template file for LIN driver configuration.
*               It should be modified by the user.
*
*               Define the macros as shown below.
*
*               If the file name is changed the LINCFGH macro with new 
*               file name should be defined in the processor command line.
*
* Notes:        
*
******************************************************************************/

/*
    This definition set the number of user-defined timer clocks
    (LIN_IdleClock service calls), recognized as "no-bus-activity" 
    condition.
    This number shall not be greater than 0xFFFF.
*/
#define LIN_IDLETIMEOUT         100u


#if defined(S08DZ60)
/*
	This definition configures the LIN bus baud rate.
	This value shall be set according to target MCU 
	SCI register usage.
	LIN_BAUDRATE = BUSCLK / ( Baud Rate*16)
	13 = 4 MHz /(19200 * 16)
	26 = 8 MHz /(19200 * 16)
	52 = 8 MHz /(9600 * 16)     
*/
#define LIN_BAUDRATE			52u		 /*(8MHz bus clock = SCI Module clock; 9600 baudrate -> 1/9600 = Tbit = 104us*/


#if defined(MASTER)
 
#define LIN_TIMERCLK_BUSCLK     0x08
#define LIN_TIMERCLK_XCLK       0x10
#define LIN_TIMERCLK_TPMxCLK    0x18

/*
  This definition configures the timer clock source.
  Only for Master node.
	Possible values are:
	LIN_TIMERCLK_BUSCLK     Bus rate clock
  LIN_TIMERCLK_XCLK       Fixed system clock
  LIN_TIMERCLK_TPMxCLK 		external source 
*/
#define LIN_TIMERCLK	 LIN_TIMERCLK_BUSCLK

/* 
	This definition configures the timer clock rate.
    Only for Master node.
	This value shall be set according to target MCU 
	timer prescaler register usage.
*/
#define LIN_TIMERPRESCALER		3u	  /*divide bus clock by 8 - timer clock 1MHz -> 1us*/


/*
	This definition set the length of one bit transmission 
	period on the target MCU.
    Only for Master node.
	Due to 16-bit counters on target MCU this value 
	shall not be greater than 0xFFFF.
    For correct timeouts computation this value
    shall have qualificator 'l'.
*/
#define LIN_BITTIME				104ul   /*LIN_BITTIME *timer clock = Tbit -> 104 * 1us = 104us */


/* 
   This definition configures the time of the wake up  delimiter.
   The LIN specification v.1.2 specify this time min 4 Tbit and max 64 Tbit 
*/
#define LIN_TO_WAKEUPDEL 10

#endif /* defined(MASTER) */
#endif /* defined(S08DZ60) */

#endif /* !define (LINCFG_H) */