蓝桥杯电子类单片机组国赛——第六届“智能物料传送系统”
为了不吵到大家，我就没有在超载的时候操作蜂鸣器。其他的代码完成率都为100%。
大家感兴趣可以看一下我的代码。
#include "STC15F2K60S2.h"
#include "iic.h"
#include "intrins.h"
#define u8 unsigned char
#define KEY_STATE_0 0
#define KEY_STATE_1 1
#define KEY_STATE_2 2
#define led_0 0x00
#define led_1 ((0x01)<<(1-1))
#define led_2 ((0x01)<<(2-1))
#define led_3 ((0x01)<<(3-1))
#define led_4 ((0x01)<<(4-1))
#define led_5 ((0x01)<<(5-1))
#define led_6 ((0x01)<<(6-1))
#define led_7 ((0x01)<<(7-1))
#define led_8 ((0x01)<<(8-1))
#define BUZZER 0X40
#define RELAY 0X10
#define NONE 0X00
#define KEY_STATE0 0
#define KEY_STATE1 1
#define KEY_STATE2 2
sbit TX=P1^0;//发送脚
sbit RX=P1^1;//接收脚
u8 code smg_du[]={ //标准字库
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71,
//black - H J K L N o P U t G Q r M y
0x00,0x40,0x76,0x1E,0x70,0x38,0x37,0x5C,0x73,0x3E,0x78,0x3d,0x67,0x50,0x37,0x6e,
0xBF,0x86,0xDB,0xCF,0xE6,0xED,0xFD,0x87,0xFF,0xEF,0x46}; //0. 1. 2. 3. 4. 5. 6. 7. 8. 9. -1
u8 code smg_wei[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
u8 code led_display[10]={led_0,led_1,led_2,led_3,led_4,led_5,led_6,led_7,led_8};
u8 code BURE_display[3]={NONE,RELAY,BUZZER};
int distance=0;
bit sonic_flag=0;//超声波检测标志位
bit key_flag=0;
u8 key_val=0;
u8 led_choose=0;
u8 bure_choose=0;
u8 smg_sonic[8];//规定超声波数码管显示数组
u8 adc_val=0;
u8 object_flag=0;
u8 save_object_flag=0;
u8 object_1_time=2;
u8 object_2_time=4;
u8 save_object_1_time;
u8 save_object_2_time;
bit led_blink_flag=0;
unsigned char KEY_SCAN()//按键扫描函数
{
static u8 key_state=KEY_STATE_0;
u8 KEY=0;
u8 key_val=0;
P30=1;P31=1;P32=1;P33=1;
if(P30==0) KEY=7;
if(P31==0) KEY=6;
if(P32==0) KEY=5;
if(P33==0) KEY=4;
if((P30==1)&&(P31==1)&&(P32==1)&&(P33==1)) KEY=0;
switch(key_state)
{
case KEY_STATE_0:
if(KEY!=0)
{
key_state=KEY_STATE_1;
}
break;
case KEY_STATE_1:
switch(KEY)
{
case 4: key_val=4; break;
case 5: key_val=5; break;
case 6: key_val=6; break;
case 7: key_val=7; break;
}
key_state=KEY_STATE_2;
break;
case KEY_STATE_2:
if(KEY==0)
{
key_state=KEY_STATE_0;
}
break;
}
return key_val;
}
void Delay10ms() //@11.0592MHz
{
unsigned char i, j;
i = 108;
j = 145;
do
{
while (--j);
} while (--i);
}
void Delay12us() //生成12ms的延时函数
{
unsigned char i;
_nop_();
_nop_();
_nop_();
i = 30;
while (--i);
}
void send_wave(void)//进行超声波检测
{
unsigned char i=2;//注意这个参数
do
{
TX=1;//打开发送脚
Delay12us();
TX=0;//关闭发送脚
Delay12us();
}
while(i--);
}
void Timer_Init(void)
{
AUXR |= 0x80; //定时器时钟1T模式
TMOD &= 0xF0; //设置定时器模式
TL0 = 0x66; //设置定时初值
TH0 = 0xEA; //设置定时初值
TF0 = 0; //清除TF0标志
TR0 = 1; //定时器0开始计时
ET0 = 1;
EA=1;
}
//下面定义一些逻辑变量！
u8 transfer_mode=0;//0:无状态 1：空载 2：非空载 3：过载
u8 smg_display_mode=0;//0:无状态 1：显示界面1 2：显示界面2 3：显示界面3
u8 judge_object_flag=0;//0： 传送带上没货物 1： 传送带上有货物静止且在一开头 2：传送带正在运行货物 3：传送带停止传送货物并且货物静止
u8 smg_0[8];//第0种数码管显示界面
u8 smg_1[8];//第一种数码管显示界面
u8 smg_2[8];//第二种数码管显示界面
u8 smg_3[8];//第三种数码管显示界面
u8 S4_S5_count=0;//重启一次记得清0~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
u8 S6_count=0;
void main(void)
{
P2=0xa0;P0=0x00;P2=0x00;
P2=0x80;P0=~0x00;P2=0x00;
save_object_1_time=read_24c02(0);
save_object_2_time=read_24c02(1);
Timer_Init(); //1ms
while(1)
{
smg_0[0]=smg_du[16];
smg_0[1]=smg_du[16];
smg_0[2]=smg_du[16];
smg_0[3]=smg_du[16];
smg_0[4]=smg_du[16];
smg_0[5]=smg_du[16];
smg_0[6]=smg_du[16];
smg_0[7]=smg_du[16];
adc_val=read_adc(0x03);
if(adc_val<51)
{
transfer_mode=1;//1：空载
led_choose=1;
smg_display_mode=3;//````````````````````````````````````````````````````````````````````````````````````````显示
}
else if(adc_val<204)
{
transfer_mode=2;// 2：非空载
if((judge_object_flag==0)||(judge_object_flag==1))
{
led_choose=2;
smg_display_mode=1;
S4_S5_count=0;//已清0
object_1_time=save_object_1_time;
object_2_time=save_object_2_time;
}
}
else
{
transfer_mode=3;// 3：过载
smg_display_mode=0;
if(led_blink_flag)
{
led_choose=3;
}
else
{
led_choose=0;
}
//蜂鸣器报警！~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
}
if((transfer_mode==2)&&(S4_S5_count==0)) //非空载且S4和S5不按下
{
smg_display_mode=1;
judge_object_flag=1;//传送带上有货物且在一开始
smg_1[0]=smg_du[1];
smg_1[1]=smg_du[16];
smg_1[2]=smg_du[16];
smg_1[3]=smg_sonic[1];
smg_1[4]=smg_sonic[2];
smg_1[5]=smg_du[16];
smg_1[6]=smg_du[16];
smg_1[7]=smg_du[object_flag];
}
if((transfer_mode==2)&&((judge_object_flag==2)||(judge_object_flag==3)))//传送带上有货物（）
{
smg_2[0]=smg_du[2];
if(save_object_flag==1)
{
smg_2[6]=smg_du[object_1_time/10]; smg_2[7]=smg_du[object_1_time%10];
if(object_1_time==0) judge_object_flag=0; //传送带没货物了
}
if(save_object_flag==2)
{
smg_2[6]=smg_du[object_2_time/10]; smg_2[7]=smg_du[object_2_time%10];
if(object_2_time==0) judge_object_flag=0; //传送带没货物了
}
}
if(judge_object_flag==0)
{
bure_choose=0;
}
if(judge_object_flag==1)
{
bure_choose=0;
}
if(judge_object_flag==2)
{
bure_choose=1;
led_choose=0;
}
if(judge_object_flag==3)
{
bure_choose=0;
if(led_blink_flag)
{
led_choose=4;
}
else
{
led_choose=0;
}
}
if(S6_count==0)
{
smg_3[0]=smg_du[16];
smg_3[1]=smg_du[16];
smg_3[2]=smg_du[16];
smg_3[3]=smg_du[16];
smg_3[4]=smg_du[16];
smg_3[5]=smg_du[16];
smg_3[6]=smg_du[16];
smg_3[7]=smg_du[16];
}
if(S6_count==1)
{
smg_3[0]=smg_du[3];
if(led_blink_flag)
{
smg_3[3]=smg_du[save_object_1_time/10]; smg_3[4]=smg_du[save_object_1_time%10];
}
else
{
smg_3[3]=smg_du[16]; smg_3[4]=smg_du[16];
}
smg_3[6]=smg_du[save_object_2_time/10]; smg_3[7]=smg_du[save_object_2_time%10];
write_24c02(0,save_object_1_time);
Delay10ms();
write_24c02(1,save_object_2_time);
Delay10ms();
}
if(S6_count==2)
{
smg_3[0]=smg_du[3];
smg_3[3]=smg_du[save_object_1_time/10]; smg_3[4]=smg_du[save_object_1_time%10];
if(led_blink_flag)
{
smg_3[6]=smg_du[save_object_2_time/10]; smg_3[7]=smg_du[save_object_2_time%10];
}
else
{
smg_3[6]=smg_du[16]; smg_3[7]=smg_du[16];
}
write_24c02(0,save_object_1_time);
Delay10ms();
write_24c02(1,save_object_2_time);
Delay10ms();
}
if(key_flag)
{
key_flag=0;
key_val=KEY_SCAN();
switch(key_val)
{
case 6:
if(transfer_mode==1)
{
S6_count++;
if(S6_count==3)
{
S6_count=0;
}
}
break;
case 7:
if(S6_count==1)
{
save_object_1_time++;
if(save_object_1_time>=11)
{
save_object_1_time=1;
}
}
if(S6_count==2)
{
save_object_2_time++;
if(save_object_2_time>=11)
{
save_object_2_time=1;
}
}
break;
case 4:
if((transfer_mode==2)&&(judge_object_flag==1))//传送带上有货物并且非空载
{
S4_S5_count=1;
save_object_flag=object_flag;//保存货物类型
judge_object_flag=2; //正在运行货物
smg_display_mode=2;
}
break;
case 5:
if((transfer_mode==2)&&(S4_S5_count==1))//传送带上正在运行货物并且非空载
{
S4_S5_count=1;
if(judge_object_flag==2)
{
judge_object_flag=3; //货物静止
}
else
{
judge_object_flag=2; //货物运动
}
}
break;
}
}
if(sonic_flag)//进行超声波检测
{
sonic_flag=0;
send_wave();
TR1 = 1;//定时器1中断打开
while((RX==1)&&(TF1==0));//接收到信号并且无溢出
TR1= 0;//定时器1中断关闭
if(TF1==1)//如果数值溢出
{
TF1=0;//将数值变为0
}
else
{
distance=(unsigned int)(((TH1<<8)|TL1)*0.017);
}
TH1=0;//归0
TL1=0;//归0
if(distance<=30)
{
object_flag=1;
}
else
{
object_flag=2;
if(distance>=99)
{
distance=99;
}
}
smg_sonic[0]=smg_du[distance/100];
smg_sonic[1]=smg_du[distance/10%10];
smg_sonic[2]=smg_du[distance%10];
}
}
}
void timer0() interrupt 1 using 1 //0.5毫秒中断
{
static int smg_count=0,i=0,sonic_count=0,key_count=0,counter=0,led_count=0;
smg_count++;sonic_count++;key_count++;led_count++;
if(led_count==1000)
{
led_count=0;
led_blink_flag=~led_blink_flag;
}
if(judge_object_flag==2)//正在运行
{
counter++;
if(counter==2000)
{
counter=0;
if(save_object_flag==1)
{
if(object_1_time!=0) object_1_time--;
}
if(save_object_flag==2)
{
if(object_2_time!=0) object_2_time--;
}
}
}
if(smg_count==1)
{
P0=~led_display[led_choose]; P2=0X80;P2=0X00;
}
if(smg_count==2)
{
P0=BURE_display[bure_choose]; P2=0XA0;P2=0X00;
}
if(smg_count==3)
{
}
if(smg_count==4) //2ms
{
smg_count=0;
P2=0xc0;P0=0;P2=0; //лӰ
switch(smg_display_mode)
{
case 0: P2=0xe0;P0=~smg_0[i];P2=0; break;
case 1: P2=0xe0;P0=~smg_1[i];P2=0; break;
case 2: P2=0xe0;P0=~smg_2[i];P2=0; break;
case 3: P2=0xe0;P0=~smg_3[i];P2=0; break;
}
P2=0xc0;P0=smg_wei[i];P2=0;
i++;
if(i==8) i=0;
}
if(sonic_count==50)//50ms扫描一次按键
{
sonic_count=0;
sonic_flag=1;
}
if(key_count==10)
{
key_count=0;
key_flag=1;
}
}
代码就是这么多，也就不到600行代码。
这里没有贴“iic.c“和”iic.h“的代码，有需要的同学点击下面的链接：
- https://blog.csdn.net/qq_44629819/article/details/104524886
祝大家在蓝桥杯比赛中获得优异的成绩！
——南昌大学 电子183刘昊