蓝桥杯单片机第九届
Posted 一心向月
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全部文件：提取码：azxy
#include "STC15F2K60S2.h"
#include "intrins.h"
#include "iic.h"
typedef unsigned char u8;
typedef unsigned int u16;
sbit S4=P3^3;
sbit S5=P3^2;
sbit S6=P3^1;
sbit S7=P3^0;
// 0 1 2 3 4 5 6 7 8 9
u8 code duan[12]=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff,0xbf;
u8 code led_1_2[10]=0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff;//模式1和2led
u8 code led_3_4[6]=0xff,0x7e,0xbd,0xdb,0xe7,0xff;//模式3和4led
u8 cc_addr[4]=0x00,0x01,0x02,0x03;//时间存储地址
u16 yc_time[4];//4个模式延迟时间
u8 model=1;//按键模式
u8 mode=1;//LED模式
u8 stat=0;//切换数码管显示
u8 rank=0;//等级
u8 Ms_800=0;//0.8s标志
u8 led_flag=0;//led暂停和启动标志
u16 count=0;//0.8s变量
u8 count1=0;//数码管刷新变量
u16 count2=0;//LED延迟时间变量
u16 count3=0;//控制PWM输出变量
u8 count4=0;//LED位移变量
u8 dat=0;//LED当前状态
u8 pwm=0;//PWM值
u16 rb2_v=0;//电位器2的电压值
void delay(u16 i)
while(i--);
void Delay5ms()
unsigned char i, j;
i = 59;
j = 90;
do
while (--j);
while (--i);
void Chan_hc573(chose)
switch(chose)
case 4:
P2 = (P2 & 0x1f) | 0x80; break;
case 5:
P2 = (P2 & 0x1f) | 0xa0; break;
case 6:
P2 = (P2 & 0x1f) | 0xc0; break;
case 7:
P2 = (P2 & 0x1f) | 0xe0; break;
case 0:
P2 = (P2 & 0x1f); break;
void Init_system()
Chan_hc573(5);
P0=0x00;
Chan_hc573(4);
P0=0xff;
void Smg_display(u8 com,u8 dat)
Chan_hc573(7);
P0=0xff;
Chan_hc573(6);
P0=0x01<<com;
Chan_hc573(7);
P0=dat;
void Close_smg()
Chan_hc573(6);
P0=0x00;
Chan_hc573(7);
P0=0xff;
void Display_model_time()
if(stat==1)
if(Ms_800==0)
Smg_display(0,duan[11]); delay(1000);
Smg_display(1,duan[model]); delay(1000);
Smg_display(2,duan[11]); delay(1000);
else
Smg_display(0,duan[10]); delay(1000);
Smg_display(1,duan[10]); delay(1000);
Smg_display(2,duan[10]); delay(1000);
Smg_display(3,duan[10]); delay(1000);
if(yc_time[model-1]>999)
Smg_display(4,duan[yc_time[model-1]/1000]); delay(1000);
Smg_display(5,duan[(yc_time[model-1]/100)%10]); delay(1000);
Smg_display(6,duan[(yc_time[model-1]/10)%10]); delay(1000);
Smg_display(7,duan[yc_time[model-1]%10]); delay(1000);
Close_smg();
else if(stat==2)
Smg_display(0,duan[11]); delay(1000);
Smg_display(1,duan[model]); delay(1000);
Smg_display(2,duan[11]); delay(1000);
Smg_display(3,duan[10]); delay(1000);
if(Ms_800==0)
if(yc_time[model-1]>999)
Smg_display(4,duan[yc_time[model-1]/1000]); delay(1000);
Smg_display(5,duan[(yc_time[model-1]/100)%10]); delay(1000);
Smg_display(6,duan[(yc_time[model-1]/10)%10]); delay(1000);
Smg_display(7,duan[yc_time[model-1]%10]); delay(1000);
Close_smg();
else
Smg_display(4,duan[10]); delay(1000);
Smg_display(5,duan[10]); delay(1000);
Smg_display(6,duan[10]); delay(1000);
Smg_display(7,duan[10]); delay(1000);
Close_smg();
else if(stat==0&&S4==0)
Smg_display(0,duan[10]); delay(1000);
Smg_display(1,duan[10]); delay(1000);
Smg_display(2,duan[10]); delay(1000);
Smg_display(3,duan[10]); delay(1000);
Smg_display(4,duan[10]); delay(1000);
Smg_display(5,duan[10]); delay(1000);
Smg_display(6,duan[11]); delay(1000);
Smg_display(7,duan[rank%10]); delay(1000);
Close_smg();
void Key_Down()
if(S7==0)
delay(100);
if(S7==0)
while(S7==0) Display_model_time();
if(led_flag==0) led_flag=1;
else if(led_flag==1) led_flag=0;
else if(S6==0)
delay(100);
if(S6==0)
while(S6==0) Display_model_time();
stat++;
if(stat==3)
wire_eeprom(cc_addr[model-1],yc_time[model-1]/10);Delay5ms();
stat=0;
else if(S5==0)
delay(100);
if(S5==0)
while(S5==0) Display_model_time();
if(stat==1)
model++;
if(model>=4) model=4;
else if(stat==2)
yc_time[model-1] += 100;
if(yc_time[model-1]>=1200) yc_time[model-1]=1200;
else if(S4==0)
delay(100);
if(S4==0)
while(S4==0)
if(stat==1)
model--;
if(model<=1) model=1;
else if(stat==2)
yc_time[model-1] -= 100;
if(yc_time[model-1]<=400) yc_time[model-1]=400;
void PCF8591()
rb2_v=pcf8591_read(3)/0.51;
if(rb2_v<125)
rank=1; pwm=5;
else if(rb2_v>=125&&rb2_v<250)
rank=2; pwm=10;
else if(rb2_v>=250&&rb2_v<375)
rank=3; pwm=15;
else if(rb2_v>=375)
rank=4; pwm=20;
void Timer0Init(void);
void main()
u8 i=0,j=0;
Init_system();
Timer0Init();
for(i=0;i<4;i++)
yc_time[i]=eeprom_read(cc_addr[i])*10;
Delay5ms();
for(j=0;j<4;j++)
if(yc_time[i]<=400||yc_time[i]>=1200)
yc_time[i]=400;
while(1)
PCF8591();
Key_Down();
void Timer0Init(void)
TMOD=0x01;
TH0= (65535-1000) /256;
TL0= (65535-1000) %256;
ET0=1;
TR0=1;
EA=1;
void Service_T0() interrupt 1
TH0= (65535-1000)/256;
TL0= (65535-1000)%256;
count++;
count1++;
count2++;
count3++;
if(count==800)
Ms_800=~Ms_800;
count=0;
if(count1==10)
count1=0;
Display_model_time();
if(count2==yc_time[mode-1])
count2=0;
if(led_flag==1)
if(mode==1)count4++;if(count4>=9)count4=0;mode=2;
else if(mode==2)count4++;if蓝桥杯单片机第九届国赛程序设计题--多功能测量仪表国赛