stc_eep.c

来自「Stc EEP单字节编程 c代码 可以直接扩展到整型等变量应用」· C语言 代码 · 共 47 行

#include "Defines.H"
#include <intrins.h>
//#define EEP_ADD0	0x0000
#define ENABLE_ISP 0x80


unsigned char EEP_Function(unsigned char CMD,unsigned int ADD,unsigned char DAT){
	ISP_DATA=DAT;
	ISP_ADDRH=(char)(ADD>>8);
	ISP_ADDRL=(char)(ADD>>0);
	ISP_CONTR=ENABLE_ISP;
	ISP_CMD=CMD;

	ISP_TRIG=0x46;
	ISP_TRIG=0xB9;
	_nop_();
	ISP_CONTR=ISP_CMD=ISP_TRIG=0;
	return ISP_DATA;
}

void Set_EEP_F(unsigned int Add,float Val){
unsigned char *Temp=&Val;
unsigned char i;
	EEP_Erase(Add);
	for (i=0;i<4;i++){
		EEP_ByteWrite(Add+i,Temp[i]);
	}
}
void Set_EEP_I(unsigned int Add,unsigned int Val){
	EEP_Erase(Add);
	EEP_ByteWrite(Add+0,(char)Val);
	EEP_ByteWrite(Add+1,(char)(Val>>8));
}
float Get_EEP_F(unsigned int Add){
float Val;
unsigned char *Temp=&Val;
unsigned char i;
	for (i=0;i<4;i++){
		Temp[i]=EEP_ByteRead(Add+i);
	}
	return Val;
}
unsigned int Get_EEP_I(unsigned int Add){
unsigned int Val;
	Val=EEP_ByteRead(Add+0)+EEP_ByteRead(Add+1)*(unsigned int)256;
	return Val;
}