www.pudn.com > DeviceNet.zip > Timer.h, change:2003-09-12,size:2853b


 
/***************************************************************************** 
 * 
 * Timer  
 * 
 ***************************************************************************** 
 * FileName:        Timer.c 
 * Dependencies:     
 * Processor:       PIC18F with CAN 
 * Compiler:       	C18 02.10.02 or higher 
 * Linker:          MPLINK 03.20.01 or higher 
 * Company:         Microchip Technology Incorporated 
 * 
 * Software License Agreement 
 * 
 * The software supplied herewith by Microchip Technology Incorporated 
 * (the "Company") is intended and supplied to you, the Company's 
 * customer, for use solely and exclusively with products manufactured 
 * by the Company.  
 * 
 * The software is owned by the Company and/or its supplier, and is  
 * protected under applicable copyright laws. All rights are reserved.  
 * Any use in violation of the foregoing restrictions may subject the  
 * user to criminal sanctions under applicable laws, as well as to  
 * civil liability for the breach of the terms and conditions of this  
 * license. 
 * 
 * THIS SOFTWARE IS PROVIDED IN AN "AS IS" CONDITION. NO WARRANTIES,  
 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED  
 * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
 * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,  
 * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR  
 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. 
 * 
 * 
 * This is a simple timer function used within the DeviceNet Stack for 
 * demonstration. 
 *  
 * 
 * 
 * Author               Date        Comment 
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
 * Ross Fosler			04/28/03	...	 
 *  
 *****************************************************************************/ 
 
 
 
/********************************************************************* 
 * Function:        void TimerInit(void) 
 * 
 * PreCondition:    none 
 * 
 * Input:       	none	 
 *                   
 * Output:      	none 
 * 
 * Side Effects:    None 
 * 
 * Overview:        Initializes Timer0 for use. 
 * 
 * Note:            None 
 ********************************************************************/ 
void TimerInit(void); 
 
 
/********************************************************************* 
 * Function:        unsigned char TimerIsOverflowEvent(void) 
 * 
 * PreCondition:    none 
 * 
 * Input:       	none	 
 *                   
 * Output:      	unsigned char status 
 * 
 * Side Effects:    None 
 * 
 * Overview:        Checks for an overflow event, returns TRUE if  
 *					an overflow occured. 
 * 
 * Note:            This function should be checked at least twice 
 *					per overflow period. 
 ********************************************************************/ 
unsigned char TimerIsOverflowEvent(void);