#include
***it S7 = P3^0;
unsigned char a = 0; //状态位
bit b = 1;
unsigned char count = 0;
unsigned char month = 1;
unsigned char code SEG_code[19] =
{0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,
0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,
0xbf,0x7f,0xff}; //定义共阳数码管段码内容:0~F,—,.
void Delay(unsigned int t)
{
while(t--);
}
//void delay_m(unsigned int n) //延时n秒
//{
// unsigned int i=0,j=0;
// for(i=0;i
// for(j=0;j<21738;j++);
//}
void Select_HC138(unsigned char n)
{
switch(n)
{
case 5:
P2 = (P2 & 0x1f) | 0xa0;
break;
case 6:
P2 = (P2 & 0x1f) | 0xc0;
break;
case 7:
P2 = (P2 & 0x1f) | 0xe0;
break;
}
}
void Show_tube(unsigned char position,unsigned char value)
{
Select_HC138(6);
P0 = 0x01 << position;
Select_HC138(7);
P0 = value;
}
void Dynamic_display()
{
if((a == 1)&&(b == 1))
{
Show_tube(0,SEG_code[18]);
Show_tube(1,SEG_code[18]);
}
else
{
Show_tube(0,SEG_code[2]);
Delay(500);
Show_tube(1,SEG_code[3]);
Delay(500);
}
Show_tube(2,SEG_code[16]);
Delay(500);
if((a == 2)&&(b == 1))
{
Show_tube(3,SEG_code[18]);
Show_tube(4,SEG_code[18]);
}
else
{
Show_tube(3,SEG_code[5]);
Delay(500);
Show_tube(4,SEG_code[9]);
Delay(500);
}
Show_tube(5,SEG_code[16]);
Delay(500);
if((a == 3)&&(b == 1))
{
Show_tube(6,SEG_code[18]);
Show_tube(7,SEG_code[18]);
}
else
{
Show_tube(6,SEG_code[5]);
Delay(500);
Show_tube(7,SEG_code[0]);
Delay(500);
}
}
//void Delay_dynamic(unsigned char t) //延时，让最后两位数码管的值发生变化(从1变到12)
//{
// while(t--)
// {
// Dynamic_display();
// }
//}
void Init_timer0() //定时器0初始化(中断初始化)
{
TMOD = 0x01; //选择定时器0(16位定时器),定时50ms(间隔50000个脉冲)
TH0 = (65535 - 50000) / 256; //取高八位(3c)给TH0寄存器
TL0 = (65535 - 50000) % 256; //取低八位(af)给TL0寄存器
EA = 1; //打开总中断
ET0 = 1; //打开定时器0的中断
TR0 = 0; //关闭定时器
}
void Service_timer0() interrupt 1 //定时器0中断服务函数
{
TH0 = (65535 - 50000) / 256;
TL0 = (65535 - 50000) % 256; //一次计时完后需要给TH0和TL0赋初值
count++;
if(count == 10) //定时0.5s(间隔1s)
{
b = ~b;
count = 0;
}
}
void Delay_keys()
{
unsigned char i,j;
i = 108;
j = 145;
do
{
while(--j);
}while(--i);
}
void Press_keys()
{
if(S7 == 0)
{
Delay_keys();
if(S7 == 0)
{
switch(a)
{
case 0:
a = 1;
TR0 = 1;
break;
case 1:
a = 2;
break;
case 2:
a = 3;
break;
case 3:
a = 0;
TR0 = 0;
break;
}
while(S7 == 0)
{
Dynamic_display();
}
}
}
}
void main()
{
Init_timer0();
Select_HC138(5);
P0 = 0x00;
while(1)
{
//Dynamic_display();
// if(month > 12)
// {
// month = 1;
// }
// Delay_dynamic(200);
// month++;
Dynamic_display();
Press_keys();
}
}
#include
***it S7 = P3^0;
unsigned char a = 0; //状态位
bit b = 1;
unsigned char count = 0;
unsigned char month = 1;
unsigned char code SEG_code[19] =
{0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,
0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,
0xbf,0x7f,0xff}; //定义共阳数码管段码内容:0~F,—,.
void Delay(unsigned int t)
{
while(t--);
}
//void delay_m(unsigned int n) //延时n秒
//{
// unsigned int i=0,j=0;
// for(i=0;i
// for(j=0;j<21738;j++);
//}
void Select_HC138(unsigned char n)
{
switch(n)
{
case 5:
P2 = (P2 & 0x1f) | 0xa0;
break;
case 6:
P2 = (P2 & 0x1f) | 0xc0;
break;
case 7:
P2 = (P2 & 0x1f) | 0xe0;
break;
}
}
void Show_tube(unsigned char position,unsigned char value)
{
Select_HC138(6);
P0 = 0x01 << position;
Select_HC138(7);
P0 = value;
}
void Dynamic_display()
{
if((a == 1)&&(b == 1))
{
Show_tube(0,SEG_code[18]);
Show_tube(1,SEG_code[18]);
}
else
{
Show_tube(0,SEG_code[2]);
Delay(500);
Show_tube(1,SEG_code[3]);
Delay(500);
}
Show_tube(2,SEG_code[16]);
Delay(500);
if((a == 2)&&(b == 1))
{
Show_tube(3,SEG_code[18]);
Show_tube(4,SEG_code[18]);
}
else
{
Show_tube(3,SEG_code[5]);
Delay(500);
Show_tube(4,SEG_code[9]);
Delay(500);
}
Show_tube(5,SEG_code[16]);
Delay(500);
if((a == 3)&&(b == 1))
{
Show_tube(6,SEG_code[18]);
Show_tube(7,SEG_code[18]);
}
else
{
Show_tube(6,SEG_code[5]);
Delay(500);
Show_tube(7,SEG_code[0]);
Delay(500);
}
}
//void Delay_dynamic(unsigned char t) //延时，让最后两位数码管的值发生变化(从1变到12)
//{
// while(t--)
// {
// Dynamic_display();
// }
//}
void Init_timer0() //定时器0初始化(中断初始化)
{
TMOD = 0x01; //选择定时器0(16位定时器),定时50ms(间隔50000个脉冲)
TH0 = (65535 - 50000) / 256; //取高八位(3c)给TH0寄存器
TL0 = (65535 - 50000) % 256; //取低八位(af)给TL0寄存器
EA = 1; //打开总中断
ET0 = 1; //打开定时器0的中断
TR0 = 0; //关闭定时器
}
void Service_timer0() interrupt 1 //定时器0中断服务函数
{
TH0 = (65535 - 50000) / 256;
TL0 = (65535 - 50000) % 256; //一次计时完后需要给TH0和TL0赋初值
count++;
if(count == 10) //定时0.5s(间隔1s)
{
b = ~b;
count = 0;
}
}
void Delay_keys()
{
unsigned char i,j;
i = 108;
j = 145;
do
{
while(--j);
}while(--i);
}
void Press_keys()
{
if(S7 == 0)
{
Delay_keys();
if(S7 == 0)
{
switch(a)
{
case 0:
a = 1;
TR0 = 1;
break;
case 1:
a = 2;
break;
case 2:
a = 3;
break;
case 3:
a = 0;
TR0 = 0;
break;
}
while(S7 == 0)
{
Dynamic_display();
}
}
}
}
void main()
{
Init_timer0();
Select_HC138(5);
P0 = 0x00;
while(1)
{
//Dynamic_display();
// if(month > 12)
// {
// month = 1;
// }
// Delay_dynamic(200);
// month++;
Dynamic_display();
Press_keys();
}
}
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