?? hpa.h
字號:
/*
* Copyright (c) 1998, Xiongfei Guo, Shanghai Second Polytechnic University
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Shanghai Second Polytechnic University nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/******************************************************************************
hPA.h
脈沖累加計數器
******************************************************************************/
//PACN32 的高八位,低八位和16位寄存器
#define PACH PACN3
#define PACL PACN2
#define PAC PACN32
extern void (*PAI_FUNC)(void);
extern void (*PAOVI_FUNC)(void);
extern void InitPA(void);
#define ClearPA() {PAC = 0;}
#define StartPA() {PACTL_PAEN = 1;}
#define StopPA() {PACTL_PAEN = 0;}
// 默認開那幾個中斷
// 兩個都開 -> ( PACTL_PAI_MASK | PACTL_PAOVI_MASK )
#define PACTL_DEFAULT ( PACTL_PAI_MASK )
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