数码管显示异常怎么修改单片机代码? -

#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
#include <intrins.h>
uchar a_a;
uchar code smg_du[]={0x28,0xee,0x32,0xa2,0xe4,0xa1,0x21,0xea,0x20,0xa0,
0x60,0x25,0x39,0x26,0x31,0x71,0xff};
uchar dis_smg[8] ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8};
sbit smg_we1 = P3^0;
sbit smg_we2 = P3^1;
sbit smg_we3 = P3^2;
sbit smg_we4 = P3^3;
sbit c_send = P3^2;
sbit c_recive = P3^3;
sbit beep = P2^7;
uchar smg_i =3;
bit flag_300ms ;
long distance;
uint set_d;
uchar flag_csb_juli;
uint flag_time0;
uchar menu_1;
void delay_1ms(uint q)
{
uint i,j;
for(i=0;i<q;i++)
for(j=0;j<120;j++);
}
void smg_display()
{
dis_smg[0] = smg_du[distance % 10];
dis_smg[1] = smg_du[distance / 10 % 10];
dis_smg[2] = smg_du[distance / 100 % 10] & 0xdf; ;
}
#define RdCommand 0x01
#define PrgCommand 0x02
#define EraseCommand 0x03
#define Error 1
#define Ok 0
#define WaitTime 0x01
sfr ISP_DATA=0xe2;
sfr ISP_ADDRH=0xe3;
sfr ISP_ADDRL=0xe4;
sfr ISP_CMD=0xe5;
sfr ISP_TRIG=0xe6;
sfr ISP_CONTR=0xe7;
void ISP_IAP_enable(void)
{
EA = 0;
ISP_CONTR = ISP_CONTR & 0x18;
ISP_CONTR = ISP_CONTR | WaitTime;
ISP_CONTR = ISP_CONTR | 0x80;
}
void ISP_IAP_disable(void)
{
ISP_CONTR = ISP_CONTR & 0x7f; /* ISPEN = 0 */
ISP_TRIG = 0x00;
EA = 1;
}
void ISPgoon(void)
{
ISP_IAP_enable();
ISP_TRIG = 0x46;
ISP_TRIG = 0xb9;
_nop_();
}
unsigned char byte_read(unsigned int byte_addr)
{
EA = 0;
ISP_ADDRH = (unsigned char)(byte_addr >> 8);
ISP_ADDRL = (unsigned char)(byte_addr & 0x00ff);
ISP_CMD = ISP_CMD & 0xf8;
ISP_CMD = ISP_CMD | RdCommand;
ISPgoon();
ISP_IAP_disable();
EA = 1;
return (ISP_DATA);
}
void SectorErase(unsigned int sector_addr)
{
unsigned int iSectorAddr;
iSectorAddr = (sector_addr & 0xfe00);
ISP_ADDRH = (unsigned char)(iSectorAddr >> 8);
ISP_ADDRL = 0x00;
ISP_CMD = ISP_CMD & 0xf8;
ISP_CMD = ISP_CMD | EraseCommand;
ISPgoon();
ISP_IAP_disable();
}
void byte_write(unsigned int byte_addr, unsigned char original_data)
{
EA = 0;
// SectorErase(byte_addr);
ISP_ADDRH = (unsigned char)(byte_addr >> 8);
ISP_ADDRL = (unsigned char)(byte_addr & 0x00ff);
ISP_CMD = ISP_CMD & 0xf8;
ISP_CMD = ISP_CMD | PrgCommand;
ISP_DATA = original_data;
ISPgoon();
ISP_IAP_disable();
EA =1;
}
void write_eeprom()
{
SectorErase(0x2000);
byte_write(0x2000, set_d % 256);
byte_write(0x2001, set_d / 256);
byte_write(0x2058, a_a);
}
void read_eeprom()
{
set_d = byte_read(0x2001);
set_d <<= 8;
set_d |= byte_read(0x2000);
a_a = byte_read(0x2058);
}
void init_eeprom()
{
read_eeprom();
if(a_a != 1)
{
set_d = 50;
a_a = 1;
write_eeprom();
}
}
uchar key_can;
void key()
{
static uchar key_new;
key_can = 20;
P2 |= 0x07;
if((P2 & 0x07) != 0x07)
{
delay_1ms(1);
if(((P2 & 0x07) != 0x07) && (key_new == 1))
{
key_new = 0;
switch(P2 & 0x07)
{
case 0x06: key_can = 3; break;
case 0x05: key_can = 2; break;
case 0x03: key_can = 1; break;
}
}
}
else
key_new = 1;
}
void key_with()
{
if(key_can == 1)
{
menu_1 ++;
if(menu_1 >= 2)
{
menu_1 = 0;
smg_i = 3;
}
if(menu_1 == 1)
{
smg_i = 4;
}
}
if(menu_1 == 1)
{
if(key_can == 2)
{
set_d ++ ;
if(set_d > 400)
set_d = 400;
}
if(key_can == 3)
{
set_d -- ;
if(set_d <= 1)
set_d = 1;
}
dis_smg[0] = smg_du[set_d % 10];
dis_smg[1] = smg_du[set_d / 10 % 10] ;
dis_smg[2] = smg_du[set_d / 100 % 10] & 0xdf ;
dis_smg[3] = 0x60;
write_eeprom();
}
}
void clock_h_l()
{
static uchar value;
if(distance <= set_d)
{
value ++;
if(value >= 2)
{
beep = ~beep;
}
}
else
{
value = 0;
beep = 1;
}
}
void smg_we_switch(uchar i)
{
switch(i)
{
case 0: smg_we1 = 0; smg_we2 = 1; smg_we3 = 1; smg_we4 = 1; break;
case 1: smg_we1 = 1; smg_we2 = 0; smg_we3 = 1; smg_we4 = 1; break;
case 2: smg_we1 = 1; smg_we2 = 1; smg_we3 = 0; smg_we4 = 1; break;
case 3: smg_we1 = 1; smg_we2 = 1; smg_we3 = 1; smg_we4 = 0; break;
}
}
void display()
{
static uchar i;
i++;
if(i >= smg_i)
i = 0;
smg_we_switch(i);
P1 = dis_smg[i];
}
void delay()
{
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
}
void send_wave()
{
c_send = 1;
delay();
c_send = 0;
TH0 = 0;
TL0 = 0;
TR0 = 0;
while(!c_recive);
TR0=1;
while(c_recive)
{
flag_time0 = TH0 * 256 + TL0;
if((flag_time0 > 40000))
{
TR0 = 0;
flag_csb_juli = 2;
distance = 888;
break ;
}
else
{
flag_csb_juli = 1;
}
}
if(flag_csb_juli == 1)
{
TR0=0;
distance =flag_time0;
distance *= 0.017;
if((distance > 500))
{
distance = 888;
}
}
}
void time_init()
{
EA = 1;
TMOD = 0X11;
ET0 = 0;
TR0 = 1;
ET1 = 1;
TR1 = 1;
}
void main()
{
beep = 0;
delay_1ms(150);
P0 = P1 = P2 = P3 = 0xff;
send_wave();
smg_display();
time_init();
init_eeprom();
send_wave();
send_wave();
while(1)
{
if(flag_300ms == 1)
{
flag_300ms = 0;
clock_h_l();
if(beep == 1)
send_wave();
if(menu_1 == 0)
smg_display();
}
key();
if(key_can < 10)
{
key_with();
}
}
}
void time1_int() interrupt 3
{
static uchar value;
TH1 = 0xf8;
TL1 = 0x30;
display();
value++;
if(value >= 150)
{
value = 0;
flag_300ms = 1;
}
}

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