Temperature measurement using pic 16f877a and DS18S20

#include<stdio.h>
#include<pic.h>
#include "delay.c" __CONFIG(0x3f72);
#define DQ         RC0
#define DQ_DIR     TRISC0
#define FOSC       10000
#define BAUD_RATE  9.6      // 9600 Baudrate
#define BAUD_VAL   (char)(FOSC/ (16 * BAUD_RATE )) - 1;     
// Calculation For 9600 Baudrate @10Mhz
unsigned char i=0;
float Temerature=0;
void ds1820_init();
void Reset(void);
void write(unsigned char);
unsigned char Read(void);
void Serial_init();
void main()
{
   unsigned char Temp[9];
   DelayMs(100);
   Serial_init();
   ds1820_init();
   DelayMs(100);
   printf("\033[2J");   // Clear the Hyper terminal;
   while(1)
   {
      Reset();
      write(0xcc);
      write(0x44);
      DQ_DIR    = 1;
      DelayUs(10);
      while(!DQ);
  // this will be raised after finishing conversion
      Reset();
      write(0xcc);
      write(0xbe); 
      for(i=0;i<9;i++)
      Temp[i] = Read();      // Read 9 bytes 
      for(i=0;i<9;i++)
      printf("%d ",Temp[i]);    
      printf("Temperature:%3.1f%cC",(float)Temp[0]/2,0xf8);
      printf("\r");
      DelayMs(250);
      DelayMs(250);
      DelayMs(250);
      DelayMs(250);
   }
}
 
void ds1820_init()
{
      DQ    = 1;
      DQ_DIR = 1;         // pull up
}
 
void Reset(void)
{
      DQ_DIR    = 0;
      DQ     = 0;
      DelayMs(1);
      DelayUs(250);      // 500us
      DQ_DIR    = 1;
      DelayUs(100);      // 40us
      while(DQ==1);      // wait until presence pulse
      DelayMs(1);
      DelayUs(250);      // 500us
}
 
void write(unsigned char cmd)
{
      for(i=0;i<8;i++){
      DQ_DIR   = 0;                // pull down
      DQ     = 0;
      DelayUs(25);                 // 10us
      DQ       = (cmd & 0x01)?1:0; // Send bit
      cmd      = cmd >> 1;
      DelayUs(120);                // >45us
      DQ_DIR   = 1;                // release
      }     
}
 
unsigned char Read(void)
{
      unsigned char temp=0,RecDat=0;
      for(i=0;i<8;i++)
      {
         DQ_DIR   = 0;
         DQ     = 0;        // pull down
    DelayUs(25);       // 10us
    DQ_DIR   = 1;      // release
        DelayUs(25);       // 10us
        temp   = DQ;       // read bit
        temp   = temp<<i;
       RecDat |= temp;
        DelayUs(70);       // 30us
      }
      return RecDat;     
}
void Serial_init()
{
      TRISC=0xc0;        // RC7,RC6 set to usart mode(INPUT)
      TXSTA=0x24;        // Transmit Enable
      SPBRG=BAUD_VAL;    // 9600 baud at 10Mhz
      RCSTA=0x90;  // USART Enable, Continuous receive enable
      TXIF=1;            // Start Transmit
}
 
void putch(unsigned char Data) // data TX required for printf
{
         while(TXIF==0);
         TXREG = Data;
}