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电机驱动模块 BTN7971全套详细资料,包含BTN7971集成库,外围电路,例程代码,应用方案。
代码片段和文件信息
/******************************************************************************
FILE : datapage.c
PURPOSE : paged data access runtime routines
MACHINE : Freescale 68HC12 (Target)
LANGUAGE : ANSI-C
HISTORY : 21.7.96 first version created
******************************************************************************/
#include “hidef.h“
#include “non_bank.sgm“
#include “runtime.sgm“
#ifndef __HCS12X__ /* it‘s different for the HCS12X. See the text below at the #else // __HCS12X__ */
/*
According to the -Cp option of the compiler the
__DPAGE__ __PPAGE__ and __EPAGE__ macros are defined.
If none of them is given as argument then no page accesses should occur and
this runtime routine should not be used !
To be on the save side the runtime routines are created anyway.
If some of the -Cp options are given an adapted versions which only covers the
needed cases is produced.
*/
/* if no compiler option -Cp is given it is assumed that all possible are given : */
/* Compile with option -DHCS12 to activate this code */
#if defined(HCS12) || defined(_HCS12) || defined(__HCS12__) /* HCS12 family has PPAGE register only at 0x30 */
#define PPAGE_ADDR (0x30+REGISTER_base)
#ifndef __PPAGE__ /* may be set already by option -CPPPAGE */
#define __PPAGE__
#endif
/* Compile with option -DDG128 to activate this code */
#elif defined DG128 /* HC912DG128 derivative has PPAGE register only at 0xFF */
#define PPAGE_ADDR (0xFF+REGISTER_base)
#ifndef __PPAGE__ /* may be set already by option -CPPPAGE */
#define __PPAGE__
#endif
#elif defined(HC812A4)
/* all setting default to A4 already */
#endif
#if !defined(__EPAGE__) && !defined(__PPAGE__) && !defined(__DPAGE__)
/* as default use all page registers */
#define __DPAGE__
#define __EPAGE__
#define __PPAGE__
#endif
/* modify the following defines to your memory configuration */
#define EPAGE_LOW_BOUND 0x400u
#define EPAGE_HIGH_BOUND 0x7ffu
#define DPAGE_LOW_BOUND 0x7000u
#define DPAGE_HIGH_BOUND 0x7fffu
#define PPAGE_LOW_BOUND (DPAGE_HIGH_BOUND+1)
#define PPAGE_HIGH_BOUND 0xBFFFu
#define REGISTER_base 0x0u
#ifndef DPAGE_ADDR
#define DPAGE_ADDR (0x34u+REGISTER_base)
#endif
#ifndef EPAGE_ADDR
#define EPAGE_ADDR (0x36u+REGISTER_base)
#endif
#ifndef PPAGE_ADDR
#define PPAGE_ADDR (0x35u+REGISTER_base)
#endif
/*
The following parts about the defines are assumed in the code of _GET_PAGE_REG :
- the memory region controlled by DPAGE is above the area controlled by the EPAGE and
below the area controlled by the PPAGE.
- the lower bound of the PPAGE area is equal to be the higher bound of the DPAGE area + 1
*/
#if EPAGE_LOW_BOUND >= EPAGE_HIGH_BOUND || EPAGE_HIGH_BOUND >= DPAGE_LOW_BOUND || DPAGE_LOW_BOUND >= DPAGE_HIGH_BOUND || DPAGE_HIGH_BOUND >= PPAGE_LOW_BOUND || PPAGE_LOW_BOUND >= PPAGE_HIGH_BOUND
#error /* please adapt _GET_PAGE_REG for
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 135680 2011-03-28 14:58 11.3.29做板\激光发射带稳压.PCBDOC
文件 100352 2011-03-28 14:22 11.3.29做板\激光接收.PCBDOC
文件 122880 2011-03-29 21:51 11.3.29做板\USB1.PCBDOC
文件 78848 2011-03-29 21:55 11.3.29做板\SOP8-DIP8 2.PCBDOC
文件 76800 2011-03-29 22:06 11.3.29做板\接收带稳压.PCBDOC
文件 394752 2011-03-25 22:58 11.3.29做板\112pcb.PCBDOC
目录 0 2011-03-29 14:54 11.3.29做板
----------- --------- ---------- ----- ----
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