我用的是PIC18,这个93C46怎么些都不成功,一直卡在while(!(EEDI));,希望哪位大神可以解答下,感激不尽啊!
#pragma config RETEN = OFF // VREG Sleep Enable bit (Ultra low-power regulator is Disabled (Controlled by REGSLP bit))
#pragma config INTOSCSEL = HIGH // LF-INTOSC Low-power Enable bit (LF-INTOSC in High-power mode during Sleep)
#pragma config SOSCSEL = DIG // SOSC Power Selec
tion and mode Configuration bits (Digital (SCLKI) mode)
#pragma config XINST = OFF // Extended Instruction Set (Disabled)
// CONFIG1H
#pragma config FOSC = HS1 // Oscillator (HS oscillator (Medium power, 4 MHz - 16 MHz))
#pragma config PLLCFG = OFF // PLL x4 Enable bit (Disabled)
#pragma config FCMEN = ON // Fail-Safe Clock Monitor (Enabled)
#pragma config IESO = ON // Internal External Oscillator Switch Over Mode (Enabled)
// CONFIG2L
#pragma config PWRTEN = ON // Power Up Timer (Enabled)
#pragma config BOREN = ON // Brown Out Detect (Controlled with SBOREN bit)
#pragma config BORV = 3 // Brown-out Reset Voltage bits (1.8V)
#pragma config BORPWR = LOW // BORMV Power level (BORMV set to low power level)
// CONFIG2H
#pragma config WDTEN = OFF // Watchdog Timer (WDT disabled in hardware; SWDTEN bit disabled)
#pragma config WDTPS = 1048576 // Watchdog Postscaler (1:1048576)
// CONFIG3H
#pragma config CANMX = PORTB // ECAN Mux bit (ECAN TX and RX pins are located on RB2 and RB3, respectively)
#pragma config T0CKMX = PORTB // Timer0 Clock Input Mux bit (Timer0 gets its clock input from the RB5/T0CKI pin on 64-pin packages)
#pragma config T3CKMX = PORTG // Timer3 Clock Input Mux bit (Timer3 gets its clock input from the RG2/T3CKI pin on 64-pin packages)
#pragma config MSSPMSK = MSK7 // MSSP address masking (7 Bit address masking mode)
#pragma config MCLRE = ON // Master Clear Enable (MCLR Enabled, RE3 Disabled)
// CONFIG4L
#pragma config STVREN = ON // Stack Overflow Reset (Enabled)
#pragma config BBSIZ = BB2K // Boot Block Size (2K word Boot Block size)
// CONFIG5L
#pragma config CP0 = OFF // Code Protect 00800-03FFF (Disabled)
#pragma config CP1 = OFF // Code Protect 04000-07FFF (Disabled)
#pragma config CP2 = OFF // Code Protect 08000-0BFFF (Disabled)
#pragma config CP3 = OFF // Code Protect 0C000-0FFFF (Disabled)
// CONFIG5H
#pragma config CPB = OFF // Code Protect Boot (Disabled)
#pragma config CPD = OFF // Data EE Read Protect (Disabled)
// CONFIG6L
#pragma config WRT0 = OFF // Table Write Protect 00800-03FFF (Disabled)
#pragma config WRT1 = OFF // Table Write Protect 04000-07FFF (Disabled)
#pragma config WRT2 = OFF // Table Write Protect 08000-0BFFF (Disabled)
#pragma config WRT3 = OFF // Table Write Protect 0C000-0FFFF (Disabled)
// CONFIG6H
#pragma config WRTC = OFF // Config. Write Protect (Disabled)
#pragma config WRTB = OFF // Table Write Protect Boot (Disabled)
#pragma config WRTD = OFF // Data EE Write Protect (Disabled)
// CONFIG7L
#pragma config EBTR0 = OFF // Table Read Protect 00800-03FFF (Disabled)
#pragma config EBTR1 = OFF // Table Read Protect 04000-07FFF (Disabled)
#pragma config EBTR2 = OFF // Table Read Protect 08000-0BFFF (Disabled)
#pragma config EBTR3 = OFF // Table Read Protect 0C000-0FFFF (Disabled)
// CONFIG7H
#pragma config EBTRB = OFF // Table Read Protect Boot (Disabled)
/*
* File: main.c
* Author: Administrator
*
* Created on July 18, 2017, 8:14 AM
*/
#include
#include"1.h"
void EEdelay(unsigned int time)//延迟
{
unsigned char i=0;
for(i=time;i>0;i--)
{
NOP();
// NOP();
}
}
void EEPortInit()
{
MDCONbits.MDEN=0;
PADCFG1bits.RDPU=1;
CM1CONbits.CON=0;
ANCON1bits.ANSEL11=0;
ANCON1bits.ANSEL12=0;
ANCON1bits.ANSEL13=0;
ANCON1bits.ANSEL14=0;
ANCON1bits.ANSEL8=0;
ANCON0bits.ANSEL3=0;
TRISFbits.TRISF6=0;
TRISFbits.TRISF7=0;
TRISDbits.TRISD0=0;
TRISDbits.TRISD1=1;
PORTFbits.RF6=0;
PORTFbits.RF7=0;
PORTDbits.RD0=0;
PORTDbits.RD1=0;
}
unsigned char ReadDate(unsigned char Adder)//读
{
unsigned char i,date=0;
//EEDI_M=BTSRMODE;
TRISDbits.TRISD1=1;
EECS=1;
EEDO=1;
EECLK=0;
// EEdelay(1);
EECLK=1;
//EEdelay(1);
EEDO=1;
EECLK=0;
// EEdelay(1);
EECLK=1;
//EEdelay(1);
EEDO=0;
EECLK=0;
//EEdelay(1);
EECLK=1;
// EEdelay(1);
// EECLK=0;//先发送开始位和操作码110
for(i=0;i<7;i++) //发送七位地址
{
Adder<<=1;
if((Adder&0x80)==0x80)
EEDO=1;
else
EEDO=0;
EECLK=0;
//EEdelay(1);
EECLK=1;
//EEdelay(1);
}
for(i=0;i<8;i++) //发送八位数据
{
date<<=1;
//EECLK=1;
EECLK=0;
EEdelay(1);
EECLK=1;
EEdelay(1);
if(EEDI)
date|=0x01;
else
date&=(~0x01);
}
EECS=0;
return(date);
}
void WriteDate(unsigned char Adder,unsigned char date)//写数据
{
volatile unsigned char i,j=0;
//EEDI_M=BTSMODE;
INTCONbits.GIE=0;
// WriteEnable();//写使能
//EraseAllData(Adder);
// EEDO=0;
EECS=1;
EEDO=1;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
EEDO=0;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
EEDO=1;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
//先发送开始位和写操作码101
for(i=0;i<7;i++) //发送七位地址
{
Adder<<=1;
if((Adder&0x80)==0x80)
EEDO=1;
else
EEDO=0;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
}
for(i=0;i<8;i++) //发送八位数据
{
if((date&0x80)==0x80)
EEDO=1;
else
EEDO=0;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
date<<=1;
}
EECS=0;
NOP();
NOP();
EECS=1;
while(!EEDI);
EECS=0;
// WriteDenable();//写禁止
INTCONbits.GIE=1;
}
void WriteEnable() //写使能
{
volatile unsigned char i,adder;
//EEDO=0;
EECS=1;
//NOP();
EEDO=1;
EECLK=0;
// EEdelay(1);
EECLK=1;
//EEdelay(1);
EEDO=0;
EECLK=0;
//EEdelay(1);
EECLK=1;
//EEdelay(1);
EEDO=0;
EECLK=0;
// EEdelay(1);
EECLK=1;
//EEdelay(1);
//写使能开始位 和操作码100
// delay(20);
adder=0x60;
for(i=0;i<7;i++)//发送七位地址11XXXXX
{
adder<<=1;
if((adder&0x80)==0x80)
EEDO=1;
else
EEDO=0;
EECLK=0;
//EEdelay(1);
EECLK=1;
//EEdelay(1);
}
EECS=0;
}
void WriteDenable()//写禁止
{
volatile unsigned char i,adder;
//EEDO=0;
EECS=1;
EEDO=1;
EECLK=0;
// EEdelay(1);
EECLK=1;
// EEdelay(1);
EEDO=0;
EECLK=0;
// EEdelay(1);
EECLK=1;
// EEdelay(2);
EEDO=0;
EECLK=0;
//EEdelay(1);
EECLK=1;
// EEdelay(1);
//开始位和操作码100
adder=0x00;
for(i=0;i<7;i++)//发送七位地址00XXXXX
{
adder<<=1;
if((adder&0x80)==0x80)
EEDO=1;
else
EEDO=0;
EECLK=0;
// EEdelay(1);
EECLK=1;
//EEdelay(1);
}
EECS=0;
}
void EraseAllData()
{
unsigned char i=0,Adder1;
EECS=1;
EEDO=1;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
EEDO=0;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
EEDO=0;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
Adder1=0x40;
for(i=0;i<7;i++)
{
Adder1<<=1;
if((Adder1&0x80)==0x80)
EEDO=1;
else
EEDO=0;
EECLK=0;
EEdelay(4);
EECLK=1;
EEdelay(4);
}
EECS=0;
NOP();
NOP();
EECS=1;
while(!(EEDI));
EECS=0;
}
uchar Time;
void main(void)
{
EEPortInit();
Time=ReadDate(0x00);
while(1)
{
WriteEnable();
EraseAllData();
WriteDate(0x00,Time);
WriteDenable();
}
}
头文件是
#define EECS RF6
#define EECLK RF7
#define EEDI RD0
#define EEDO RD1