- #include
- #include
- #include
- #include
- #define uchar unsigned char
- #define uint unsigned int
- #define BUSY 0x80 //常量定义
- #define DATAPORT P0
- ***it ADCS =P3^5;
- ***it ADDI =P3^7;
- ***it ADDO =P3^7;
- ***it ADCLK =P3^6;
- ***it LCM_RS=P2^0;
- ***it LCM_RW=P2^1;
- ***it LCM_EN=P2^2;
- uint x1,y1,z1=0,w1,temp1;
- uchar ad_data,k,n,m,e,num,s; //采样值存储
- ***it beep =P3^0;
-
- char press_data; //标度变换存储单元
- unsigned char ad_alarm; //报警值存储单元
- unsigned char press_ge=0; //显示值百位
- unsigned char press_shifen=0; //显示值十位
- unsigned char press_baifen=0; //显示值个位
- unsigned char press_qianfen=0; //显示值十分位
- uchar code str0[]={"Weight: . Kg "};
- uchar code str2[]={"Price: "};
- uchar code str3[]={"Total: "};
- uchar code table2[]={0x37,0x38,0x39,0xfd,0x34,0x35,0x36,0x78,0x31,0x32,0x33,0x2d,0x3d,0x30,0x2e,0x2b}; //键盘码
- void delay(uint);
- void lcd_wait(void);
- void delay_LCM(uint); //LCD延时子程序
- void initLCM( void); //LCD初始化子程序
- void lcd_wait(void); //LCD检测忙子程序
- void WriteCommandLCM(uchar WCLCM,uchar BusyC); //写指令到ICM子函数
- void WriteDataLCM(uchar WDLCM); //写数据到LCM子函数
- void DisplayOneChar(uchar X,uchar Y,uchar DData); //显示指定坐标的一个字符子函数
- void DisplayListChar(uchar X,uchar Y,uchar code *DData); //显示指定坐标的一串字符子函数
- void weishu(uint m);
- void weishu1(uint m);
- void display(void);
- uchar Adc0832(unsigned char channel);
- void alarm(void);
- void data_pro(void);
- /**********main funcation************/
- void main(void)
- {
- delay(500); //系统延时500ms启动
- //ad_data=0; //采样值存储单元初始化为0
- initLCM( );
-
- WriteCommandLCM(0x01,1); //清显示屏
- DisplayListChar(0,0,str0);
- DisplayListChar(0,1,str2);
- while(1)
- {
- ad_data =Adc0832(0); //采样值存储单元初始化为0
- alarm();
- data_pro();
- display();
- if(k==1)
- {
- DisplayOneChar((s+7),1,table2[num-1]);
- x1=m;
- y1=n;
- y1=y1*10+x1;
- }
- if(k=='*')
- {
- data_pro();
- WriteCommandLCM(0x01,1);
- weishu(z1);
- k=0;
- }
- if(k=='=')
- {
- z1=z1*temp1;
- WriteCommandLCM(0x01,1);
- DisplayListChar(0,1,str3);
- s=0;
- weishu1(765);
- k=0;
- }
- if(k==' ')
- {
- WriteCommandLCM(0x80+0x40,1);
- WriteCommandLCM(0x01,1);
- z1=0;
- s=0; //防止清零时指针后移动
- }
- }
- }
- /*********延时K*1ms,12.000mhz**********/
- void delay(uint k)
- {
- uint i,j;
- for(i=0;i
- for(j=0;j<100;j++);
- }
- /**********写指令到ICM子函数************/
- void WriteCommandLCM(uchar WCLCM,uchar BusyC)
- {
- if(BusyC)
- lcd_wait();
- DATAPORT=WCLCM;
- LCM_RS=0; // 选中指令寄存器
- LCM_RW=0;
- LCM_RW=0; // 写模式
- LCM_EN=1;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- LCM_EN=0;
-
- }
- /**********写数据到LCM子函数************/
- void WriteDataLCM(uchar WDLCM)
- {
- lcd_wait( ); //检测忙信号
- DATAPORT=WDLCM;
- LCM_RS=1; // 选中数据寄存器
- LCM_RW=0; // 写模式
- LCM_EN=1;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- LCM_EN=0;
- }
- /***********lcm内部等待函数*************/
- void lcd_wait(void)
- {
- DATAPORT=0xff; //读LCD前若单片机输出低电平,而读出LCD为高电平,则冲突,Proteus仿真会有显示逻辑黄色
- LCM_EN=1;
- LCM_RS=0;
- LCM_RW=0;
- LCM_RW=1;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- while(DATAPORT&BUSY)
- { LCM_EN=0;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- LCM_EN=1;
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- }
- LCM_EN=0;
-
- }
- /**********LCM初始化子函数***********/
- void initLCM( )
- {
- LCM_EN=0;
- DATAPORT=0;
- delay(15);
- WriteCommandLCM(0x38,0); //三次显示模式设置,不检测忙信号
- delay(5);
- WriteCommandLCM(0x38,0);
- delay(5);
- WriteCommandLCM(0x38,0);
- delay(5);
- WriteCommandLCM(0x38,1); //8bit数据传送,2行显示,5*7字型,检测忙信号
- WriteCommandLCM(0x08,1); //关闭显示,检测忙信号
- WriteCommandLCM(0x01,1); //清屏,检测忙信号
- WriteCommandLCM(0x06,1); //显示光标右移设置,检测忙信号
- WriteCommandLCM(0x0c,1); //显示屏打开,光标不显示,不闪烁,检测忙信号
- TMOD=0x11;
- EA=1;
- ET1=1;
- TR1=1;
- k=0;
- x1=0;
- y1=0;
- z1=0;
- }
- /****显示指定坐标的一个字符子函数****/
- void DisplayOneChar(uchar X,uchar Y,uchar DData)
- {
- Y&=0x01;
- X&=0x0f;
- if(Y)
- X|=0x40; //若y为1(显示第二行),地址码+0X40
- X|=0x80; //指令码为地址码+0X80
- WriteCommandLCM(X,1);
- WriteDataLCM(DData);
- }
- /*******显示指定坐标的一串字符子函数*****/
- void DisplayListChar(uchar X,uchar Y,uchar code *DData)
- {
- uchar ListLength=0;
- Y&=0x01;
- X&=0x0f;
- while(X<16)
- {
- DisplayOneChar(X,Y,DData[ListLength]);
- ListLength++;
- X++;
- }
- }
- /*****************系统显示子函数*****************/
- void display(void)
- {
- WriteCommandLCM(0x0c,1); //显示屏打开,光标不显示,不闪烁,检测忙信号
- DisplayListChar(0,0,str0);
- //DisplayListChar(0,1,str2);
- DisplayOneChar(8,0,press_ge+0x30);
- DisplayOneChar(10,0,press_shifen+0x30);
- DisplayOneChar(11,0,press_baifen+0x30);
- DisplayOneChar(12,0,press_qianfen+0x30);
- delay(1000); //稳定显示
- }
- /************
- 读ADC0832函数
- ************/
- //采集并返回
- uchar Adc0832(unsigned char channel) //AD转换,返回结果
- {
- uchar i=0;
- uchar j;
- uint dat=0;
- uchar ndat=0;
- if(channel==0)channel=2;
- if(channel==1)channel=3;
- ADDI=1;
- _nop_();
- _nop_();
- ADCS=0;//拉低CS端
- _nop_();
- _nop_();
- ADCLK=1;//拉高CLK端
- _nop_();
- _nop_();
- ADCLK=0;//拉低CLK端,形成下降沿1
- _nop_();
- _nop_();
- ADCLK=1;//拉高CLK端
- ADDI=channel&0x1;
- _nop_();
- _nop_();
- ADCLK=0;//拉低CLK端,形成下降沿2
- _nop_();
- _nop_();
- ADCLK=1;//拉高CLK端
- ADDI=(channel>>1)&0x1;
- _nop_();
- _nop_();
- ADCLK=0;//拉低CLK端,形成下降沿3
- ADDI=1;//控制命令结束
- _nop_();
- _nop_();
- dat=0;
- for(i=0;i<8;i++)
- {
- dat|=ADDO;//收数据
- ADCLK=1;
- _nop_();
- _nop_();
- ADCLK=0;//形成一次时钟脉冲
- _nop_();
- _nop_();
- dat<<=1;
- if(i==7)dat|=ADDO;
- }
- for(i=0;i<8;i++)
- {
- j=0;
- j=j|ADDO;//收数据
- ADCLK=1;
- _nop_();
- _nop_();
- ADCLK=0;//形成一次时钟脉冲
- _nop_();
- _nop_();
- j=j<<7;
- ndat=ndat|j;
- if(i<7)ndat>>=1;
- }
- ADCS=1;//拉低CS端
- ADCLK=0;//拉低CLK端
- ADDO=1;//拉高数据端,回到初始状态
- dat<<=8;
- dat|=ndat;
- return(dat); //return ad k
- }
- void data_pro(void)
- {
- unsigned int;
- float press;
- if(0
- {
- int vary=ad_data;
- press=(0.019531*vary);
-
- temp1=(int)(press*1000); //放大1000倍,便于后面的计算
-
-
- press_ge=temp1/1000; //取压力值百位
- press_shifen=(temp1%1000)/100; //取压力值十位
- press_baifen=((temp1%1000)%100)/10; //取压力值个位
- press_qianfen=((temp1%1000)%100)%10; //取压力值十分位
- }
-
- }
- /*****************报警子函数*******************/
- void alarm(void)
- {
- if(ad_data>=256)
- beep=0; //则启动报警
-
- else
- beep=1;
- }
- void weishu(uint m)
- {
- uchar wei4,wei3,wei2,wei1,wei0;
- wei4=m/10000;
- wei3=m%10000/1000;
- wei2=m%1000/100;
- wei1=m%100/10;
- wei0=m%10;
- DisplayOneChar(7,1,0x30+wei4);
- DisplayOneChar(8,1,0x30+wei3);
- DisplayOneChar(10,1,0x30+wei2);
- //DisplayOneChar(10,1,'.');
- DisplayOneChar(11,1,0x30+wei1);
- DisplayOneChar(12,1,0x30+wei0);
- }
- void weishu1(uint m)
- {
- uchar wei5,wei4,wei3,wei2,wei1,wei0;
- wei5=m/100000;
- wei4=m%100000/10000;
- wei3=m%10000/1000;
- wei2=m%1000/100;
- wei1=m%100/10;
- wei0=m%10;
- DisplayOneChar(7,1,0x30+wei4);
- DisplayOneChar(8,1,0x30+wei3);
- DisplayOneChar(9,1,'.');
- DisplayOneChar(10,1,0x30+wei2);
- //DisplayOneChar(10,1,'.');
- DisplayOneChar(11,1,0x30+wei1);
- DisplayOneChar(12,1,0x30+wei0);
- }
- void temer1() interrupt 3
- { uchar temp;
- EX1=0;
- P1=0xfe;
- temp=P1;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(5);
- temp=P1;
- temp=temp&0xf0;
- while(temp!=0xf0)
- {
- temp=P1;
- switch(temp)
- {
- case 0xee:num=1;n=7;k=1,s++;break;
- case 0xde:num=2;n=8;k=1,s++;break;
- case 0xbe:num=3;n=9;k=1,s++;break;
- case 0x7e:num=4;k='/',s++;break;
- }
- while(temp!=0xf0)
- {
- temp=P1;
- temp=temp&0xf0;
- }
- //DisplayOneChar((s+6),1,table2[num-1]);
- }
- }
- P1=0xfd;
- temp=P1;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(5);
- temp=P1;
- temp=temp&0xf0;
- while(temp!=0xf0)
- {
- temp=P1;
- switch(temp)
- {
- case 0xed:num=5;n=4;k=1;s++;break;
- case 0xdd:num=6;n=5;k=1;s++;break;
- case 0xbd:num=7;n=6;k=1;s++;break;
- case 0x7d:num=8;k='*';s++;break;
- }
- while(temp!=0xf0)
- {
- temp=P1;
- temp=temp&0xf0;
- }
- //DisplayOneChar(k+6,1,table2[num-1]);
- }
- }
- P1=0xfb;
- temp=P1;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(5);
- temp=P1;
- temp=temp&0xf0;
- while(temp!=0xf0)
- {
- temp=P1;
- switch(temp)
- {
- case 0xeb:num=9;n=1;k=1;s++;break;
- case 0xdb:num=10;n=2;k=1;s++;break;
- case 0xbb:num=11;n=3;k=1;s++;break;
- case 0x7b:num=12;k='-';s++;break;
- }
- while(temp!=0xf0)
- {
- temp=P1;
- temp=temp&0xf0;
- }
- // DisplayOneChar(k+6,1,table2[num-1]);
- }
- }
- P1=0xf7;
- temp=P1;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(5);
- temp=P1;
- temp=temp&0xf0;
- while(temp!=0xf0)
- {
- temp=P1;
- switch(temp)
- {
- case 0xe7:num=13;k=' ';break;
- case 0xd7:num=14;n=0;k=1;s++;;break;
- case 0xb7:num=15;k='=';s++;break;
- case 0x77:num=16;k='+';s++;;break;
- }
- while(temp!=0xf0)
- {
- temp=P1;
- temp=temp&0xf0;
- }
- //DisplayOneChar(k+6,1,table2[num-1]);
- }
-
- }
- EX1=1;
- }
- 这个是程序,怎么进行修改呢??
复制代码
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2015-3-5 17:48:31
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