/*********************************************************************
*
* Tick Manager for PIC18
*
*********************************************************************
* FileName: Tick.h
* Dependencies: None
* Processor: PIC18, PIC24F, PIC24H, dsPIC30F, dsPIC33F, PIC32
* Compiler: Microchip C32 v1.05 or higher
* Microchip C30 v3.12 or higher
* Microchip C18 v3.30 or higher
* HI-TECH PICC-18 PRO 9.63PL2 or higher
* Company: Microchip Technology, Inc.
*
* Software License Agreement
*
* Copyright (C) 2002-2009 Microchip Technology Inc. All rights
* reserved.
*
* Microchip licenses to you the right to use, modify, copy, and
* distribute:
* (i) the Software when embedded on a Microchip microcontroller or
* digital signal controller product ("Device") which is
* integrated into Licensee's product; or
* (ii) ONLY the Software driver source files ENC28J60.c, ENC28J60.h,
* ENCX24J600.c and ENCX24J600.h ported to a non-Microchip device
* used in conjunction with a Microchip ethernet controller for
* the sole purpose of interfacing with the ethernet controller.
*
* You should refer to the license agreement accompanying this
* Software for additional information regarding your rights and
* obligations.
*
* THE SOFTWARE AND DOCUMENTATION ARE PROVIDED "AS IS" WITHOUT
* WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
* LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* MICROCHIP BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF
* PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR SERVICES, ANY CLAIMS
* BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE
* THEREOF), ANY CLAIMS FOR INDEMNITY OR CONTRIBUTION, OR OTHER
* SIMILAR COSTS, WHETHER ASSERTED ON THE BASIS OF CONTRACT, TORT
* (INCLUDING NEGLIGENCE), BREACH OF WARRANTY, OR OTHERWISE.
*
*
* Author Date Comment
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Nilesh Rajbharti 6/28/01 Original (Rev 1.0)
* Nilesh Rajbharti 2/9/02 Cleanup
* Nilesh Rajbharti 5/22/02 Rev 2.0 (See version.log for detail)
********************************************************************/
#ifndef __TICK_H
#define __TICK_H
#include "TCPIP Stack/TCPIP.h"
// All TICKS are stored as 32-bit unsigned integers.
// This is deprecated since it conflicts with other TICK definitions used in
// other Microchip software libraries and therefore poses a merge and maintence
// problem. Instead of using the TICK data type, just use the base DWORD data
// type instead.
typedef __attribute__((__deprecated__)) DWORD TICK;
// This value is used by TCP and other modules to implement timeout actions.
// For this definition, the Timer must be initialized to use a 1:256 prescalar
// in Tick.c. If using a 32kHz watch crystal as the time base, modify the
// Tick.c file to use no prescalar.
#define TICKS_PER_SECOND ((GetPeripheralClock()+128ull)/256ull) // Internal core clock drives timer with 1:256 prescaler
//#define TICKS_PER_SECOND (32768ul) // 32kHz crystal drives timer with no scalar
// Represents one second in Ticks
#define TICK_SECOND ((QWORD)TICKS_PER_SECOND)
// Represents one minute in Ticks
#define TICK_MINUTE ((QWORD)TICKS_PER_SECOND*60ull)
// Represents one hour in Ticks
#define TICK_HOUR ((QWORD)TICKS_PER_SECOND*3600ull)
void TickInit(void);
DWORD TickGet(void);
DWORD TickGetDiv256(void);
DWORD TickGetDiv64K(void);
DWORD TickConvertToMilliseconds(DWORD dwTickValue);
void TickUpdate(void);
#endif
|