?? lincfg.h
字號:
#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) */
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