LM3S菜鸟成长日记-学习笔记6-LM35-I2C-温度显示

       /*  温度数据                    */

    IRcvStr(ucLM75A, ucLM75ATEMP, 1, ucbuf, 2);                         

       /*  读温度数据                  */

    iTemp = ucbuf[0];

    iTemp <<= 8;

    iTemp += ucbuf[1];

       iTemp >>=5;

       iTemp *=12;

    return (iTemp);

}

void delay(unsigned long num)

{

       while(num--);

}

int main()

{

    int   temp = 0;

    uchar a[6]={"  .  C"};                                                              

    SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |

                   SYSCTL_XTAL_8MHZ);                                                     

       I2CInit(100000, 1);//I2C初始化

    RIT128x96x4Init(1000000);//液晶显示初始化

       RIT128x96x4StringDraw("wendu lm75", 30, 24, 15);                                                               

    while (1)

       {

              temp=ReadData();

              a[0]=temp/1000+0x30;//十位

              a[1]=temp/100%10+0x30;//个位

              a[3]=temp/10%10+0x30;//小数点后1位

              a[4]=temp%10+0x30;// 小数点后2位

           RIT128x96x4StringDraw(a, 30, 44, 15);

              //显示

              delay(1000000);

    }

}

源代码：[hide]

学习笔记6-LM35-I2C-温度显示.rar