程序下入单片机1602屏幕只显示一排小黑块? -

#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
bit flag_200ms ;
bit flag_100ms ;
sbit beep = P3^7;
bit flag_beep_en;
uint clock_value;
uchar menu_1,menu_2;
uchar key_time,flag_value;
bit key_500ms ;
#include "ds1302.h"
#include "lcd1602.h"
void delay_1ms(uint q)
{
uint i,j;
for(i=0;i<q;i++)
for(j=0;j<120;j++);
}
void write_week(uchar hang,uchar add,uchar week)
{
if(hang==1)
write_com(0x80+add);
else
write_com(0x80+0x40+add);
switch(week)
{
case 1:write_data('S');
write_data('U');
write_data('N');
break;
case 2:write_data('M');
write_data('O');
write_data('N');
break;
case 3:write_data('T');
write_data('U');
write_data('E');
break;
case 4:write_data('W');
write_data('E');
write_data('D');
break;
case 5:write_data('T');
write_data('H');
write_data('U');
break;
case 6:write_data('F');
write_data('R');
write_data('I');
break;
case 7:write_data('S');
write_data('T');
write_data('A');
break;
}
}
void init_1602_ds1302()
{
write_sfm2_ds1302(1,1,shi);
write_sfm2_ds1302(1,4,fen);
write_sfm2_ds1302(1,7,miao);
write_week(2,12,week);
write_sfm2_ds1302(2,2,nian);
write_sfm2_ds1302(2,5,yue);
write_sfm2_ds1302(2,8,ri);
}
/*************?¨ê±?÷03?ê??ˉ3ìDò***************/
void init_time0()
{
EA = 1;
TMOD = 0X01;
TH0 = 0X3C;
TL0 = 0XB0;
ET0 = 1;
TR0 = 1;
}
void menu_dis()
{
static uchar mm,value;
if(flag_100ms == 1)
{
flag_100ms = 0;
if(open1 == 1)
{
if((miao == 0) && (fen == fen1) && (shi == shi1))
{
flag_beep_en = 1;
}
if(flag_beep_en == 1)
{
clock_value++;
if(clock_value <= 30)
beep = ~beep;
else if(clock_value > 30)
{
beep = 1;
if(clock_value > 40)
{
clock_value = 0;
}
}
value ++;
if(value >= 10)
{
value = 0;
mm++;
if(mm >= 60)
{
mm = 0;
flag_beep_en = 0;
beep = 1;
}
}
}
}
}
}
uchar key_can;
void key()
{
static uchar key_new;
key_can = 20;
P3 |= 0x78;
if((P3 & 0x78) != 0x78)
{
delay_1ms(1);
if(((P3 & 0x78) != 0x78) && (key_new == 1))
{
key_new = 0;
switch(P3 & 0x78)
{
case 0x70: key_can = 4; break;
case 0x68: key_can = 3; break;
case 0x58: key_can = 2; break;
case 0x38: key_can = 1; break;
}
}
}
else
key_new = 1;
}
void key_with()
{
if(key_can == 1)
{
menu_1++;
if(menu_1 == 1)
{
menu_2 = 1;
write_string(1,0," : : W: ");
write_string(2,0," 20 - - ");
}
if(menu_1 == 2)
{
menu_2 = 1;
write_string(1,0," set clock ");
write_string(2,0," Y 00:00 ");
}
if(menu_1 > 2)
{
menu_1 = 0;
write_guanbiao(1,2,0);
init_1602_dis_csf();
}
}
if(key_can == 2)
{
flag_200ms = 1;
if(menu_1 == 1)
{
menu_2 ++;
if(menu_2 > 7)
menu_2 = 1;
}
if(menu_1 == 2)
{
menu_2 ++;
if(menu_2 > 3)
menu_2 = 1;
}
}
if(menu_1 == 1)
{
if(menu_2 == 1)
{
if(key_can == 3)
{
shi+=0x01;
if((shi & 0x0f) >= 0x0a)
shi = (shi & 0xf0) + 0x10;
if(shi >= 0x24)
shi = 0;
}
if(key_can == 4)
{
if(shi == 0x00)
shi = 0x24;
if((shi & 0x0f) == 0x00)
shi = (shi | 0x0a) - 0x10;
shi -- ;
}
}
if(menu_2 == 2)
{
if(key_can == 3)
{
fen+=0x01;
if((fen & 0x0f) >= 0x0a)
fen = (fen & 0xf0) + 0x10;
if(fen >= 0x60)
fen = 0;
}
if(key_can == 4)
{
if(fen == 0x00)
fen = 0x5a;
if((fen & 0x0f) == 0x00)
fen = (fen | 0x0a) - 0x10;
fen -- ;
}
}
if(menu_2 == 3)
{
if(key_can == 3)
{
miao+=0x01;
if((miao & 0x0f) >= 0x0a)
miao = (miao & 0xf0) + 0x10;
if(miao >= 0x60)
miao = 0;
}
if(key_can == 4)
{
if(miao == 0x00)
miao = 0x5a;
if((miao & 0x0f) == 0x00)
miao = (miao | 0x0a) - 0x10;
miao -- ;
}
}
if(menu_2 == 4)
{
if(key_can == 3)
{
week+=0x01;
if((week & 0x0f) >= 0x0a)
week = (week & 0xf0) + 0x10;
if(week >= 0x08)
week = 1;
}
if(key_can == 4)
{
if(week == 0x01)
week = 0x08;
if((week & 0x0f) == 0x00)
week = (week | 0x0a) - 0x10;
week -- ;
}
}
if(menu_2 == 5)
{
if(key_can == 3)
{
nian+=0x01;
if((nian & 0x0f) >= 0x0a)
nian = (nian & 0xf0) + 0x10;
if(nian >= 0x9a)
nian = 1;
}
if(key_can == 4)
{
if(nian == 0x01)
nian = 0x9a;
if((nian & 0x0f) == 0x00)
nian = (nian | 0x0a) - 0x10;
nian -- ;
}
}
if(menu_2 == 6)
{
if(key_can == 3)
{
yue+=0x01;
if((yue & 0x0f) >= 0x0a)
yue = (yue & 0xf0) + 0x10;
if(yue >= 0x13)
yue = 1;
}
if(key_can == 4)
{
if(yue == 0x01)
yue = 0x13;
if((yue & 0x0f) == 0x00)
yue = (yue | 0x0a) - 0x10;
yue -- ;
}
}
if(menu_2 == 7)
{
if(key_can == 3)
{
ri+=0x01;
if((ri & 0x0f) >= 0x0a)
ri = (ri & 0xf0) + 0x10;
if(ri >= 0x32)
ri = 0;
}
if(key_can == 4)
{
if(ri == 0x01)
ri = 0x32;
if((ri & 0x0f) == 0x00)
ri = (ri | 0x0a) - 0x10;
ri -- ;
}
}
write_sfm2_ds1302(1,2,shi);
write_sfm2_ds1302(1,5,fen);
write_sfm2_ds1302(1,8,miao);
write_sfm1(1,14,week);
write_sfm2_ds1302(2,3,nian);
write_sfm2_ds1302(2,6,yue);
write_sfm2_ds1302(2,9,ri);
switch(menu_2)
{
case 1: write_guanbiao(1,2,1); break;
case 2: write_guanbiao(1,5,1); break;
case 3: write_guanbiao(1,8,1); break;
case 4: write_guanbiao(1,14,1); break;
case 5: write_guanbiao(2,3,1); break;
case 6: write_guanbiao(2,6,1); break;
case 7: write_guanbiao(2,9,1); break;
}
write_time();
}
if(menu_1 == 2)
{
if(menu_2 == 1)
{
if(key_can == 3)
{
open1 = 1;
}
if(key_can == 4)
{
open1 = 0;
}
}
if(menu_2 == 2)
{
if(key_can == 3)
{
shi1+=0x01;
if((shi1 & 0x0f) >= 0x0a)
shi1 = (shi1 & 0xf0) + 0x10;
if(shi1 >= 0x24)
shi1 = 0;
}
if(key_can == 4)
{
if(shi1 == 0x00)
shi1 = 0x5a;
if((shi1 & 0x0f) == 0x00)
shi1 = (shi1 | 0x0a) - 0x10;
shi1 -- ;
}
}
if(menu_2 == 3)
{
if(key_can == 3)
{
fen1+=0x01;
if((fen1 & 0x0f) >= 0x0a)
fen1 = (fen1 & 0xf0) + 0x10;
if(fen1 >= 0x60)
fen1 = 0;
}
if(key_can == 4)
{
if(fen1 == 0x00)
fen1 = 0x5a;
if((fen1 & 0x0f) == 0x00)
fen1 = (fen1 | 0x0a) - 0x10;
fen1 -- ;
}
}
if(open1 == 1)
write_string(2,4,"Y");
else
write_string(2,4,"N");
write_sfm2_ds1302(2,7,shi1);
write_sfm2_ds1302(2,10,fen1);
switch(menu_2)
{
case 1: write_guanbiao(2,4,1); break;
case 2: write_guanbiao(2,7,1); break;
case 3: write_guanbiao(2,10,1); break;
}
}
}
void main()
{
beep = 0;
delay_1ms(150);
P0 = P1 = P2 = P3 = 0xff;
init_time0();
init_1602();
init_1602_dis_csf();
while(1)
{
key();
if(key_can < 10)
{
if(flag_beep_en == 0)
key_with();
else
{
flag_beep_en = 0;
beep = 1;
clock_value = 0;
read_time();
}
}
if(flag_200ms == 1)
{
flag_200ms = 0;
if(menu_1 == 0)
{
read_time();
init_1602_ds1302();
}
}
menu_dis();
delay_1ms(1);
}
}
void time0() interrupt 1
{
static uchar value;
TH0 = 0X3C;
TL0 = 0XB0;
value ++;
if((value % 2) == 0)
flag_100ms = 1;
if(value >= 6)
{
value = 0;
flag_200ms = 1;
}
}

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