I AM ENCOUNTER SAME

[harpreet khanuja]

 

I AM ENCOUNTER SAME ERROR..PLEASE HELP

 

 

 

GOLDITEMP.C(65): warning C206: ‘Lcd_Out’: missing function-prototype

GOLDITEMP.C(65): error C267: ‘Lcd_Out’: requires ANSI-style prototype

 

 

 

 

#include<reg51.h>

#include<stdlib.h>

 

 

//void lcd_data(unsigned char value);

 

// LCD module connections

sbit LCD_RS = P2^0;

sbit LCD_EN = P2^1;

 

sbit LCD_D4 = P2^2;

sbit LCD_D5 = P2^3;

sbit LCD_D6 = P2^4;

sbit LCD_D7 = P2^5;

// End LCD module connections

 

// OneWire pinout

sbit OW_Bit = P1^2;

// end OneWire definition

 

 

//  Set TEMP_RESOLUTION to the corresponding resolution of used DS18x20 sensor:

//  18S20: 9  (default setting; can be 9,10,11,or 12)

//  18B20: 12

const unsigned short TEMP_RESOLUTION = 9;

 

char *text = “000.0000”;

unsigned temp;

 

void Display_Temperature(unsigned int temp2write) {

  const unsigned short RES_SHIFT = TEMP_RESOLUTION – 8;

  char temp_whole;

  unsigned int temp_fraction;

 

  // check if temperature is negative

  if (temp2write & 0x8000) {

    text[0] = ‘-‘;

    temp2write = ~temp2write + 1;

  }

 

  // extract temp_whole

  temp_whole = temp2write >> RES_SHIFT ;

 

  // convert temp_whole to characters

  if (temp_whole/100)

     text[0] = temp_whole/100  + 48;

  else

     text[0] = ‘0’;

 

  text[1] = (temp_whole/10)%10 + 48;             // Extract tens digit

  text[2] =  temp_whole%10     + 48;             // Extract ones digit

 

  // extract temp_fraction and convert it to unsigned int

  temp_fraction  = temp2write << (4-RES_SHIFT);

  temp_fraction &= 0x000F;

  temp_fraction *= 625;

 

  // convert temp_fraction to characters

  text[4] =  temp_fraction/1000    + 48;         // Extract thousands digit

  text[5] = (temp_fraction/100)%10 + 48;         // Extract hundreds digit

  text[6] = (temp_fraction/10)%10  + 48;         // Extract tens digit

  text[7] =  temp_fraction%10      + 48;         // Extract ones digit

 

  // print temperature on LCD

  Lcd_Out(2, 5, text);

}

 

void main() {

 

  Lcd_Init();                                    // Initialize LCD

  Lcd_Cmd(_LCD_CLEAR);                           // Clear LCD

  Lcd_Cmd(_LCD_CURSOR_OFF);                      // Turn cursor off

  Lcd_Out(1, 1, ” Temperature:   “);

  // Print degree character, ‘C’ for Centigrades

  Lcd_Chr(2,13,223);  // different LCD displays have different char code for degree

                      // if you see greek alpha letter try typing 178 instead of 223

 

  Lcd_Chr(2,14,’C’);

 

  //— main loop

  do {

    //— perform temperature reading

    Ow_Reset();                                  // Onewire reset signal

    Ow_Write(0xCC);                              // Issue command SKIP_ROM

    Ow_Write(0x44);                              // Issue command CONVERT_T

    Delay_us(120);

 

    Ow_Reset();

    Ow_Write(0xCC);                              // Issue command SKIP_ROM

    Ow_Write(0xBE);                              // Issue command READ_SCRATCHPAD

 

    temp =  Ow_Read();

    temp = (Ow_Read() << + temp;

 

    //— Format and display result on Lcd

    Display_Temperature(temp);

 

    Delay_ms(500);

  } while (1);

}