proteus 仿真 ds18b20 温度始终显示27.9 然后我的按钮也失灵，求能教我怎么做

Question

我尝试了并行三个温度传感器 但是温度一直显示不对，然后试了下只编程一个 也是27.9不知道为什么 然后我自己做的按钮，编程好像也有点问题，求会做的教我，追加悬赏80

/*******************************************
函数名称：DS18B20_Reset
功 能：对DS18B20进行复位初始化操作
参 数：无
返回值 ：初始化状态标志：0--失败，1--成功
********************************************/
uchar DS18B20_Reset(void)
{
uchar Error=0;
P1DIR = 0xff;

_DINT();
P1OUT = 0x00;

DelayNus(500);

P1OUT = 0xff;

DelayNus(55);

P1DIR = 0x00;

_NOP();

if(P1IN == 0x00)

{
Error = 1; //初始化成功
}
else
{
Error = 0; //初始化失败
}
P1DIR = 0xff; //设置为输出，并MCU给出高电平
P1OUT = 0xff;
_EINT();
DelayNus(400);
return Error;
}

//总线读取一个数据位
uchar DS18B20_ReadDQ(void)
{
uchar DQ_S=0;
P1OUT = 0x00; //8个DQ 线全部设置为低电平
DelayNus(6);
P1OUT = 0xff;
DelayNus(8);
P1DIR = 0x00; //准备读取
_NOP(); //延时待总线准备好数据
DQ_S = P1IN; //一次性读取8条DQ线的数据状态
DelayNus(45);
P1DIR = 0xff;
P1OUT = 0xff; //恢复端口电平
DelayNus(10); //延时
return DQ_S; //返回读取的值

}

//写数据
void DS18B20_WriteByte(uchar Com)
{
uchar i;
_DINT();
for(i=0;i {
P1DIR = 0xff;
P1OUT = 0x00;
DelayNus(6);
if (Com&0x01)
{
P1OUT = 0xff;
}
else
{
P1OUT = 0x00;
}
Com = Com>>1;
DelayNus(50);
P1OUT = 0xff;
DelayNus(10);
}
_EINT();
}
// 录入两位数据
void DS18B20_Read2Byte(void)
{
uint i;
for(i=0;i<16;i++)
{
Read_buf_8ch[i]=DS18B20_ReadDQ();
}
}

//启动温度转换
void DS18B20_Conver(void)
{
DS18B20_WriteByte(0xcc);
DS18B20_WriteByte(0x44);
}

//读取温度值
void DS18B20_ReadTemp(void)
{
uchar i;
char j,k;
uchar Mask;
do
{
i = DS18B20_Reset();
}
while(i);
DS18B20_Conver();
DelayNus(60000);
do
{
i = DS18B20_Reset();
}
while(i);
DS18B20_WriteByte(0xcc);
DS18B20_WriteByte(0xbe);
DS18B20_Read2Byte();
for(j=16;j>0;j--)
{
Mask=0x01;
for(k=0;k<3;k++)
{
uiData[k] = uiData[k]<<1;
if(Read_buf_8ch[j-1]&Mask) uiData[k]++;
Mask = Mask<<1;
}
}
}

//将十一位二进制数转换成六位整形数据

void Disp_Numb(uint temper)
{
uchar i;
for(i = 0;i < 6;i++) dN[i] = 0;

if(temper & BIT0) 
{
    dN[0] = 5;
    dN[1] = 2;
    dN[2] = 6;
}
if(temper&BIT1)     
{
    dN[1] += 5;
    dN[2] += 2;
    dN[3] += 1;
}
if(temper & BIT2)     
{
    dN[2] += 5;
    dN[3] += 2;
    if(dN[2] >= 10)
    {
        dN[2] -= 10;
        dN[3] += 1;
    }
}
if(temper&BIT3)     
{
    dN[3] += 5;
}
if(temper & BIT4)
{
    dN[4] += 1;
}
if(temper & BIT5)     
{
    dN[4] += 2;
}
if(temper & BIT6)
{
    dN[4] += 4;
}
if(temper & BIT7)     
{
    dN[4] += 8;
    if(dN[4] >= 10)
    {
        dN[4] -= 10;
        dN[5] += 1;
    }
}
if(temper & BIT8)
{
    dN[4] += 6;
    dN[5] += 1;
    if(dN[4] >= 10)
    {
        dN[4] -= 10;
        dN[5] += 1;
    }
}
if(temper & BIT9)
{
    dN[4] += 2;
    dN[5] += 3;
    if(dN[4] >= 10)
    {
        dN[4] -= 10;
        dN[5] += 1;
    }
}
if(temper & BITA)
{
    dN[4] += 4;
    dN[5] += 6;
    if(dN[4] >= 10)
    {
        dN[4] -= 10;
        dN[5] += 1;
    }
    if(dN[5] >= 10)
    {
        dN[5] -= 10;
    }
}

}

//显示当前温度

void Disp_TEM(void)
{
char Bai,Shi,Ge; //定义变量
Disp_Numb(Cur_TMP1);
Bai=dN[5];
Shi=dN[4];
Ge =dN[3];
Disp_EN(1,6,table1[Bai]);
Disp_EN(1,7,table1[Shi]);
Disp_EN(1,8,table1[11]);
Disp_EN(1,9,table1[Ge]);
DelayNus(100);
Disp_Numb(Cur_TMP2);
Bai=dN[5];
Shi=dN[4];
Ge =dN[3];
Disp_EN(2,6,table1[Bai]);
Disp_EN(2,7,table1[Shi]);
Disp_EN(2,8,table1[11]);
Disp_EN(2,9,table1[Ge]);
DelayNus(100);
Disp_Numb(Cur_TMP3);
Bai=dN[5];
Shi=dN[4];
Ge =dN[3];
Disp_EN(3,8,table1[Bai]);
Disp_EN(3,9,table1[Shi]);
Disp_EN(3,10,table1[11]);
Disp_EN(3,11,table1[Ge]);
DelayNus(100);
}

//按键检测

uchar Keyscan()
{
uchar temp,key;
P2DIR=0x00;
temp=P2IN;
if (temp==0x01)
{
DelayNus(10);
if (temp==0x01) key=1;
}
if (temp==0x02)
{
DelayNus(10);
if (temp==0x02) key=2;
}
if (temp==0x04)
{
DelayNus(10);
if (temp==0x03) key=3;
}
else
{
DelayNus(10);
}
return key;
}

//主程序
int main(void)
{
WDTCTL=WDTPW+WDTHOLD;

BCSCTL1 &= ~XT2OFF;                            
_EINT();//打开全局中断
TACTL |= TASSEL_2 + ID_3;   
Ini_Lcd();             

while(1)
{
    GDWZ();
    DS18B20_ReadTemp();
    Cur_TMP1=uiData[0];
    Cur_TMP2=uiData[1]; 
    Cur_TMP3=uiData[2];
    Disp_TEM();
key_number=Keyscan();
if (key_number==1)
{
    if(Cur_TMP1<=10)
    {
                    P3DIR = 0x05;
                    P3OUT = BIT0+BIT2;
        Disp_HZ(4,4,table2[8]);
        Disp_HZ(4,5,table2[10]);

    }
    if(Cur_TMP1>10&&Cur_TMP1<20)
    {
                    P3DIR = 0x01;
                    P3OUT = BIT0;
        Disp_HZ(4,4,table2[11]);
        Disp_HZ(4,5,table2[12]);
    }
    else
    {
                    P3DIR = 0x03;
                    P3OUT = BIT0+BIT1;
        Disp_HZ(4,4,table2[8]);
        Disp_HZ(4,5,table2[9]);
    }
}
if(key_number==2)
{
    if(Cur_TMP1<=20)
    {
                    P3DIR = 0x05;
                    P3OUT = BIT0+BIT2;
        Disp_HZ(4,4,table2[8]);
        Disp_HZ(4,5,table2[10]);
    }
    if(Cur_TMP1>20&&Cur_TMP1<30)
    {
                    P3DIR = 0x01;
                    P3OUT = BIT0;
        Disp_HZ(4,4,table2[11]);
        Disp_HZ(4,5,table2[12]);
    }
    else
    {
                    P3DIR = 0x03;
                    P3OUT = BIT0+BIT1;
        Disp_HZ(4,4,table2[8]);
        Disp_HZ(4,5,table2[9]);
    }
}
if (key_number==3)
{
    if(Cur_TMP1<=30)
    {
                    P3DIR = 0x05;
                    P3OUT = BIT0+BIT2;
        Disp_HZ(4,4,table2[8]);
        Disp_HZ(4,5,table2[10]);
    }
    if(Cur_TMP1>30&&Cur_TMP1<40)
    {
                    P3DIR = 0x01;
                    P3OUT = BIT0;
        Disp_HZ(4,4,table2[11]);
        Disp_HZ(4,5,table2[12]);
    }
    else
    {
                    P3DIR = 0x03;
                    P3OUT = BIT0+BIT1;
        Disp_HZ(4,4,table2[8]);
        Disp_HZ(4,5,table2[9]);
    }
}
else
    {
             P3DIR = 0x01;
             P3OUT = BIT0;
             Disp_HZ(4,4,table2[11]);
         Disp_HZ(4,5,table2[12]);
    }
    Delay_Nms(1000);
    Clear_LCD();
}

}

Answer 1

这是我写的18B20底层驱动，你可以参考一下。本来说QQ发给你整个工程的，却被管理员给删除了.....