w79exxxnvm.h

来自「W79E2051/W79E825 NVM(仿EEPROM) 库函数」· C头文件 代码 · 共 36 行

#ifndef __W79ExxxNVM_H__ 
#define __W79ExxxNVM_H__

#include <absacc.h>

#if defined(W79E825)       // W79E825
#  include "W79E825.h"
#  define  NVM_PLEN   64   // LEN  = 256
#  define  NVM_RL      6   // PAGE = 4

#elif defined(W79E4051)    // W79E4051
#  include "W79E4051.h"
#  define  NVM_PLEN   16   // LEN  = 128
#  define  NVM_RL      4   // PAGE = 8

#else
#  error   "请选择带NVM芯片型号"
#endif

#pragma SAVE
#pragma REGPARMS
//     char NVM_RD_CHAR(unsigned char ADDR)
#define     NVM_RD_CHAR(m)  CBYTE[m+0xfc00]                   // 字节读出
extern int  NVM_RD_INT(unsigned char ADDR);                   // 字读出
extern long NVM_RD_LONG(unsigned char ADDR);                  // 长字读出
extern void NVM_RD_PAGE(unsigned char PAGE,unsigned char *p); // 页读出
extern void NVM_CLR(unsigned char PAGE);                      // 页擦除
extern void NVM_WR_CHAR(unsigned char ADDR,unsigned char CA); // 字节写入
extern void NVM_WR_INT(unsigned char ADDR,unsigned int IA);   // 字写入
extern void NVM_WR_LONG(unsigned char ADDR,unsigned long LA); // 长字写入
extern void NVM_WR_PAGE(unsigned char PAGE,unsigned char *p); // 页写入
#pragma RESTORE

#endif  // __W79ExxxNVM_H__