单片机：STC15W408AS
请问有人知道为什么我这个程序写入的数据与读出的不一致吗？
做了两个按健P10和P11，每次按增加或减少数值写入内部EEPROM。但读出来的总是不一样。
#include "reg51.h"
#include "intrins.h"
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
sfr P4 = 0xC0; //1111,1111 端口4
sfr P5 = 0xC8; //xxxx,1111 端口5
sfr P6 = 0xE8; //0000,0000 端口6
sfr P7 = 0xF8; //0000,0000 端口7
sfr P0M0 = 0x94; //0000,0000 端口0模式寄存器0
sfr P0M1 = 0x93; //0000,0000 端口0模式寄存器1
sfr P1M0 = 0x92; //0000,0000 端口1模式寄存器0
sfr P1M1 = 0x91; //0000,0000 端口1模式寄存器1
sfr P2M0 = 0x96; //0000,0000 端口2模式寄存器0
sfr P2M1 = 0x95; //0000,0000 端口2模式寄存器1
sfr P3M0 = 0xB2; //0000,0000 端口3模式寄存器0
sfr P3M1 = 0xB1; //0000,0000 端口3模式寄存器1
sfr P4M0 = 0xB4; //0000,0000 端口4模式寄存器0
sfr P4M1 = 0xB3; //0000,0000 端口4模式寄存器1
sfr P5M0 = 0xCA; //0000,0000 端口5模式寄存器0
sfr P5M1 = 0xC9; //0000,0000 端口5模式寄存器1
sfr P6M0 = 0xCC; //0000,0000 端口6模式寄存器0
sfr P6M1 = 0xCB; //0000,0000 端口6模式寄存器1
sfr P7M0 = 0xE2; //0000,0000 端口7模式寄存器0
sfr P7M1 = 0xE1; //0000,0000 端口7模式寄存器1
sfr IE2 = 0xaf; //中断使能寄存器2
sfr AUXR = 0x8e; //辅助寄存器
sfr T2H = 0xD6; //定时器2高8位
sfr T2L = 0xD7; //定时器2低8位
sfr ADC_CONTR = 0xBC; //ADC控制寄存器
sfr ADC_RES = 0xBD; //ADC高8位结果
sfr ADC_LOW2 = 0xBE; //ADC低2位结果
sfr P1ASF = 0x9D; //P1口第2功能控制寄存器
/*Define ADC operation const for ADC_CONTR*/
#define ADC_POWER 0x80 //ADC power control bit
#define ADC_FLAG 0x10 //ADC complete flag
#define ADC_START 0x08 //ADC start control bit
#define ADC_SPEEDLL 0x00 //420 clocks
#define ADC_SPEEDL 0x20 //280 clocks
#define ADC_SPEEDH 0x40 //140 clocks
#define ADC_SPEEDHH 0x60 //70 clock
sfr IAP_DATA = 0xC2; //IAP数据寄存器
sfr IAP_ADDRH = 0xC3; //IAP地址寄存器高字节
sfr IAP_ADDRL = 0xC4; //IAP地址寄存器低字节
sfr IAP_CMD = 0xC5; //IAP命令寄存器
sfr IAP_TRIG = 0xC6; //IAP命令触发寄存器
sfr IAP_CONTR = 0xC7; //IAP控制寄存器
#define CMD_IDLE 0 //空闲模式
#define CMD_READ 1 //IAP字节读命令
#define CMD_PROGRAM 2 //IAP字节编程命令
#define CMD_ERASE 3 //IAP扇区擦除命令
#define ENABLE_IAP 0x82 //if SYSCLK<20MHz
#define IAP_ADDRESS 0x0400//测试地址
sbit LCD5110_RES = P3^7; //LCD5110 复位,0复位
sbit LCD5110_SCLK = P3^6; //LCD5110 时钟
sbit LCD5110_SDIN = P3^5; //LCD5110 数据
sbit LCD5110_DC = P3^4; //LCD5110 1写数据，0写指令
sbit LCD5110_CE = P3^3; //LCD5110 片选
sbit P10 = P1^0; //开关
sbit P11 = P1^1; //开关
const unsigned char code F6x8[][6] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp 0
{ 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 }, // ! 1
{ 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 }, // " 2
{ 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // # 3
{ 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $ 4
{ 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 }, // % 5
{ 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 }, // & 6
{ 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 }, // ' 7
{ 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 }, // ( 8
{ 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 }, // ) 9
{ 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 }, // * 10
{ 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 }, // + 11
{ 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 }, // , 12
{ 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 }, // - 13
{ 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 }, // . 14
{ 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 }, // / 15
{ 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0 16
{ 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1 17
{ 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2 18
{ 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3 19
{ 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4 20
{ 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5 21
{ 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6 22
{ 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7 23
{ 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8 24
{ 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9 25
};
void Delayms(uint ms) //1mS@12.000MHz
{
unsigned char i, j;
while(ms--)
{i = 12;
j = 169;
do
{
while (--j);
} while (--i);
}
}
void IapIdle()//关闭IAP
{
IAP_CONTR = 0; //关闭IAP功能
IAP_CMD = 0; //清除命令寄存器
IAP_TRIG = 0; //清除触发寄存器
IAP_ADDRH = 0x80; //将地址设置到非IAP区域
IAP_ADDRL = 0;
}
uchar IapReadByte(uint addr)//从ISP/IAP/EEPROM区域读取一字节
{
uchar dat; //数据缓冲区
IAP_CONTR = ENABLE_IAP; //使能IAP
IAP_CMD = CMD_READ; //设置IAP命令
IAP_ADDRL = addr; //设置IAP低地址
IAP_ADDRH = addr >> 8; //设置IAP高地址
IAP_TRIG = 0x5a; //写触发命令(0x5a)
IAP_TRIG = 0xa5; //写触发命令(0xa5)
_nop_(); //等待ISP/IAP/EEPROM操作完成
dat = IAP_DATA; //读ISP/IAP/EEPROM数据
IapIdle(); //关闭IAP功能
return dat; //返回
}
void IapProgramByte(uint addr, uchar dat)//写一字节数据到ISP/IAP/EEPROM区域
{
IAP_CONTR = ENABLE_IAP; //使能IAP
IAP_CMD = CMD_PROGRAM; //设置IAP命令
IAP_ADDRL = addr; //设置IAP低地址
IAP_ADDRH = addr >> 8; //设置IAP高地址
IAP_DATA = dat; //写ISP/IAP/EEPROM数据
IAP_TRIG = 0x5a; //写触发命令(0x5a)
IAP_TRIG = 0xa5; //写触发命令(0xa5)
_nop_(); //等待ISP/IAP/EEPROM操作完成
IapIdle();
}
void LCD_write_byte(unsigned char dt, unsigned char command)//LCD5110写入数据
{
unsigned char i;
LCD5110_CE=0; // 关闭LCD
LCD5110_DC=command; // 0是写命令，1是写数据
for(i=0;i<8;i++)
{
if(dt&0x80)
LCD5110_SDIN=1;
else
LCD5110_SDIN=0;
dt=dt<<1; //dt为暂存数据
LCD5110_SCLK=0;_nop_();
LCD5110_SCLK=1;_nop_();
}
LCD5110_DC=1;
LCD5110_CE=1;
LCD5110_SDIN=1;
}
void LCD_clear(void) //5110LCD清屏
{
unsigned int i;
LCD_write_byte(0x0c, 0);
LCD_write_byte(0x80, 0);
for (i=0; i<504; i++)
LCD_write_byte(0, 1);
}
void LCD_set_XY(unsigned char X, unsigned char Y) //x 左右共0~83列可移，Y由上至下共0~5行可移
{
LCD_write_byte(0x40 | Y, 0); // column Y+=64
LCD_write_byte(0x80 | X, 0); // row X+=128
}
void LCD_init(void) //5110LCD初始化LCD_init
{
LCD5110_RES=0; // 产生一个让LCD复位的低电平脉冲
Delayms(10);
LCD5110_RES=1;
LCD5110_CE = 0; // 关闭LCD
Delayms(10);
LCD5110_CE = 1;// 使能LCD
Delayms(10);
LCD_write_byte(0x21, 0); // 使用扩展命令设置LCD模式
LCD_write_byte(0xC2, 0); // 设置偏置电压//不同的屏须要微调此参数B9~C9
LCD_write_byte(0x06, 0); // 温度校正
LCD_write_byte(0x13, 0); // 1:48
LCD_write_byte(0x20, 0); // 使用基本命令
LCD_clear(); // 清屏
LCD_write_byte(0x0C, 0); // 设定显示模式，正常显示
LCD5110_CE = 0; // 关闭LCD
}
void LCD_P6x8Str(unsigned char x,unsigned char y,unsigned char ch)
{
unsigned char i;
LCD_set_XY(x,y);
for(i=0;i<6;i++){ LCD_write_byte(F6x8[ch],1); }
}
void LCD_P6x8Str5wita(uchar x,uchar y,uchar i)
{
LCD_P6x8Str(x,y,i%1000/100+16);
LCD_P6x8Str(x+6,y,i%100/10+16);
LCD_P6x8Str(x+12,y,i%10/1+16);
}
void main()
{
uchar dat1,dat2;
P1M0 = 0x00;
P1M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
LCD_init();//LCD初始化
dat2=IapReadByte(IAP_ADDRESS+1);
LCD_P6x8Str5wita(0,1,dat2);
while(1)
{
if(!P11)
{
Delayms(40);
if(!P11)
{
while(!P11);
dat1++;
LCD_P6x8Str5wita(0,0,dat1);
IapProgramByte(IAP_ADDRESS+1, dat1);
Delayms(100);
dat2=IapReadByte(IAP_ADDRESS+1);
LCD_P6x8Str5wita(0,1,dat2);
}
}
if(!P10)
{
Delayms(40);
if(!P10)
{
while(!P10);
dat1--;
LCD_P6x8Str5wita(0,0,dat1);
IapProgramByte(IAP_ADDRESS+1, dat1);
Delayms(100);
dat2=IapReadByte(IAP_ADDRESS+1);
LCD_P6x8Str5wita(0,1,dat2);
}
}
}
}
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