lcd和服务器同时显示温度,单片机+LCD1602上怎么同时实时显示温度和时间问题求救...-优快云博客

该程序实现了一款嵌入式设备的时间设置与温度显示功能。用户通过按键K1和K2进行时间设置，程序会防止数值超出范围，并通过LCD显示。同时，程序调用Ds18b20ReadTemp()读取温度并以浮点数形式显示，精度到小数点后两位。在时间显示部分，程序将时间分为两行显示，每行显示6位数字，包括日期和小时分钟。

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把两个程序合在一起温度就只显示00.00了，按键是设置时间的，这是主函数，大家看看

void main()

{

unsigned char i;

Int0Configuration();

LcdInit();

Ds1302Init();

while(1)

{

if(SetState==0)

{

Ds1302ReadTime();

}

else

{

if(K1==0)

{

Delay10ms();

if(K1==0)

{

SetPlace++;

if(SetPlace>=7)

SetPlace=0;

}

while((i<50)&&(K1==0))

{

Delay10ms();

i++;

}

i=0;

}

if(K2==0)

{

Delay10ms();

if(K2==0)

{

TIME[SetPlace]++;

if((TIME[SetPlace]&0x0f)>9)

{

TIME[SetPlace]=TIME[SetPlace]+6;

}

if((TIME[SetPlace]>=0x60)&&(SetPlace<2))

{

TIME[SetPlace]=0;

}

if((TIME[SetPlace]>=0x24)&&(SetPlace==2))

{

TIME[SetPlace]=0;

}

if((TIME[SetPlace]>=0x32)&&(SetPlace==3))

{

TIME[SetPlace]=0;

}

if((TIME[SetPlace]>=0x13)&&(SetPlace==4))

{

TIME[SetPlace]=0;

}

if((TIME[SetPlace]>=0x7)&&(SetPlace==5))

{

TIME[SetPlace]=1;

}

// if(SetPlace==5)

// {

// TIME[SetPlace]=;

// }

}

while((i<50)&&(K2==0))

{

Delay10ms();

i++;

}

i=0;

}

LcdTimeDisplay();

LcdTempDisplay(Ds18b20ReadTemp());

}

void LcdTimeDisplay()

{

LcdWriteCom(0x80+0X40);

LcdWriteData('0'+TIME[2]/16);

LcdWriteData('0'+(TIME[2]&0x0f));

LcdWriteData('-');

LcdWriteData('0'+TIME[1]/16);

LcdWriteData('0'+(TIME[1]&0x0f));

LcdWriteData('-');

LcdWriteData('0'+TIME[0]/16);

LcdWriteData('0'+(TIME[0]&0x0f));

LcdWriteCom(0x80);

LcdWriteData('2');

LcdWriteData('0');

LcdWriteData('0'+TIME[6]/16);

LcdWriteData('0'+(TIME[6]&0x0f));

LcdWriteData('-');

LcdWriteData('0'+TIME[4]/16);

LcdWriteData('0'+(TIME[4]&0x0f));

LcdWriteData('-');

LcdWriteData('0'+TIME[3]/16);

LcdWriteData('0'+(TIME[3]&0x0f));

LcdWriteCom(0x8D);

LcdWriteData('0'+(TIME[5]&0x07));

}

void LcdTempDisplay(int temp)

{

unsigned char i, datas[] = {0, 0, 0, 0, 0};

float tp;

if(temp< 0)

{

LcdWriteCom(0x80);

SBUF='-';

while(!TI);

TI=0;

LcdWriteData('-');

temp=temp-1;

temp=~temp;

tp=temp;

temp=tp*0.0625*100+0.5;

}

else

{

LcdWriteCom(0x4a+0x80);

LcdWriteData('+');

SBUF='+';

while(!TI);

TI=0;

tp=temp;

temp=tp*0.0625*100+0.5;

}

datas[0] = temp / 10000;

datas[1] = temp % 10000 / 1000;

datas[2] = temp % 1000 / 100;

datas[3] = temp % 100 / 10;

datas[4] = temp % 10;

LcdWriteCom(0x4b+0x80);

LcdWriteData('0'+datas[1]);

SBUF = '0'+datas[1];

while (!TI);

TI = 0;

LcdWriteCom(0x4c+0x80);

LcdWriteData('0'+datas[2]);

SBUF = '0'+datas[2];

while (!TI);

TI = 0;

LcdWriteCom(0x4d+0x80);

LcdWriteData('.');

SBUF = '.';

while (!TI);

TI = 0;

LcdWriteCom(0x4e+0x80);

LcdWriteData('0'+datas[3]);

SBUF = '0'+datas[3];

while (!TI);

TI = 0;

LcdWriteCom(0x4f+0x80);

LcdWriteData('0'+datas[4]);

SBUF = '0'+datas[4];

while (!TI);

TI = 0;

for(i=0; i<6; i++)

{

SBUF = CNCHAR[ i];

while (!TI);

TI = 0;

}

2019-2-11 11:22 上传