xin giúp đỡ code cảm biến nhiệt độ

[nupakachi]

mong các bạn bớt chút thời gian giúp mình, mình đang rất cần. MÌnh cảm ơn rất nhiều
#include"p24fj128ga010.h"
#include"libpic30.h"
_CONFIG1(JTAGEN_OFF & GCP_OFF & GWRP_OFF & BKBUG_OFF & COE_OFF & FWDTEN_OFF);
_CONFIG2(FCKSM_CSDCMD & OSCIOFNC_ON & POSCMOD_HS & FNOSC_PRI);

#define LCD_RS LATBbits.LATB13
#define LCD_RW LATBbits.LATB14
#define LCD_E LATBbits.LATB15

#define LCD_D4 LATBbits.LATB2
#define LCD_D5 LATBbits.LATB3
#define LCD_D6 LATBbits.LATB4
#define LCD_D7 LATBbits.LATB5

#define vol LATBbits.LATB0
#define LED LATBbits.LATB10
#define LCD_clear 0x01 //Xoa man hinh LCD
#define LCD_home 0x02 //Tro ve dau dong
#define LCD_normal 0x06 //Che do nhap du lieu binh thuong
#define LCD_normal_s 0x07 //Che do nhap du lieu binh thuong, dich man hinh
#define LCD_off 0x08 //Tat man hinh
#define LCD_on 0x0C //Bat man hinh
#define LCD_on_crsr 0x0E //Bat man hinh va con tro
#define LCD_on_blink 0x0F //Bat man hinh va con tro (nhap nhay)
#define LCD_4b2l 0x28 //Che do 2 dong, giao tiep 4 bit du lieu
#define LCD_homeL1 0x80 //Ve dau dong 1
#define LCD_homeL2 0xC0 //Ve dau dong 2
#define lcd_line_two 0x40
//---------------------------------------------------------------------------------------------------------
//Cac prototype cho cac chuong trinh con
unsigned char flag,ADCvalue;
void Init_PORTS(void);
//void T1_init();
//void Delay_ms(unsigned long i_ms);
void Init_LCD(void);
void LCD_OK(void);
void LCD_CMD(unsigned char cmd);
void LCD_DATA (unsigned char dat);
void lcd_putstr(char *buffer);
void lcd_gotoxy(int x, int y);
void LCD_IN_INTER(unsigned int d);
void LCD_IN_FLOAT( float d);
void ADC_init();
//void ADC_test(void);
//--------CHUONG TRINH CHINH----------------------------------------------------------------------------
int main (void)
{
__delay32(1000);
Init_PORTS(); //Khoi tao cac cong I/O
Init_LCD(); //Khoi tao LCD
ADC_init();
flag=0;
AD1CON1bits.ADON=1;
LATBbits.LATB10=0;
__delay32(100);
while(1)
{
if(flag==1)
{
LATBbits.LATB10=1;
//LATBbits.LATB10=0;
//__delay32(100);
lcd_gotoxy(1,1);
lcd_putstr("NHIET DO LA:");
lcd_gotoxy(2,2);
LCD_IN_INTER(ADCvalue);
}
flag=0;
};
}
//--------Chuong trinh con khoi tao TRANG THAI BAN DAU----------------------------------------------------------

void Init_PORTS(void)
{
TRISBbits.TRISB0 = 1;
TRISBbits.TRISB2 = 0; //LCD_D4
TRISBbits.TRISB3 = 0; //LCD_D5
TRISBbits.TRISB4 = 0; //LCD_D6
TRISBbits.TRISB5 = 0; //LCD_D7
TRISBbits.TRISB13 = 0; //LCD_RS
TRISBbits.TRISB14 = 0; //LCD_RW
TRISBbits.TRISB15 = 0; //LCD_E
TRISBbits.TRISB12 = 0; // vol
TRISBbits.TRISB10 = 0; // led
}
void Init_LCD(void)
{

LCD_CMD(0x02); //Dat che do giao tiep 4-bit, man hinh 2 dong
__delay32(1);
LCD_CMD(0x28); //Tat man hinh
__delay32(1);
LCD_CMD(0x0C); //Che do nhap du lieu binh thuong
__delay32(1);
LCD_CMD(0x06 ); //Bat man hinh, hien con tro nhap nhay
__delay32(1);
LCD_CMD(0x01); //Xoa man hinh
__delay32(9);

}
void LCD_OK(void)
{
unsigned u;
LCD_E = 1; //Tao xung Enable
for (u = 0; u < 2; u++); //keo dai toi thieu 1 us
LCD_E = 0;
}
void LCD_CMD(unsigned char cmd)
{
unsigned temp1;
LCD_RW = 0;
LCD_RS = 0; //Dat che do xuat lenh
temp1 = cmd >> 4; //Lay 4 bit cao
LCD_D4 = temp1 & 1; //Xuat 4 bit cao
LCD_D5 = (temp1 & 2) >>1;
LCD_D6 = (temp1 & 4) >>2;
LCD_D7 = (temp1 & 8) >>3;
LCD_OK();
temp1 = cmd & 0x0F; //Lay 4 bit thap
LCD_D4 = temp1 & 1; //Xuat 4 bit thap
LCD_D5 = (temp1 & 2) >>1;
LCD_D6 = (temp1 & 4) >>2;
LCD_D7 = (temp1 & 8) >>3;
LCD_OK();
__delay32(1);
}
void LCD_DATA (unsigned char dat)
{
unsigned temp2;
LCD_RW = 0;
LCD_RS = 1; //Dat che do xuat du lieu
temp2 = dat >> 4; //Lay 4 bit cao
LCD_D4 = temp2 & 1; //Xuat 4 bit cao
LCD_D5 = (temp2 & 2) >>1;
LCD_D6 = (temp2 & 4) >>2;
LCD_D7 = (temp2 & 8) >>3;
LCD_OK();
temp2 = dat & 0x0F; //Lay 4 bit thap
LCD_D4 = temp2 & 1; //Xuat 4 bit thap
LCD_D5 = (temp2 & 2) >>1;
LCD_D6 = (temp2 & 4) >>2;
LCD_D7 = (temp2 & 8) >>3;
LCD_OK();
__delay32(5);
}
void lcd_putstr(char *buffer)
{

while(*buffer != '\0')
{
LCD_DATA(*buffer); /* calling another function */
/* to write each char to the lcd module */
buffer++;
__delay32(1);
};
}

//-----------Chuong trinh con nhay den cot x, dong y-------------------------------------------------------------------
void lcd_gotoxy(int x, int y)
{
int address;
switch(y)
{
case 1:
{
address=0;
address+=x-1;
LCD_CMD(0x80|address);
break;
}
case 2:
{
address=lcd_line_two;
address+=x-1;
LCD_CMD(0xc0|address);
break;
}
}
}

void LCD_IN_INTER(unsigned int d)
{
unsigned i,j,k,l;
l=d/1000;//nghin
k=(d%1000)/100;//tram
j=((d%1000)%100)/10;//chuc
i=((d%1000)%100)%10;//donvi
LCD_DATA(0x30+l);
LCD_DATA(0x30+k);
LCD_DATA(0x30+j);
LCD_DATA(0x30+i);
}

//=======giu so thuc len lcd=============================
void LCD_IN_FLOAT( float d)
{

unsigned int e, i,j,k,l;
// d=round(d,1);
e=(int)(d*10);
l=e/1000;//nghin
k=(e%1000)/100;//tram
j=((e%1000)%100)/10;//chuc
i=((e%1000)%100)%10;//donvi
LCD_DATA(0x30+l);
LCD_DATA(0x30+k);
LCD_DATA(0x30+j);
lcd_putstr(".");
LCD_DATA(0x30+i);
}
void ADC_init()
{
AD1PCFGbits.PCFG0=0; // dat che do analog cho chan
AD1CON1 = 0x80E4;
AD1CON2 = 0x0000;
AD1CON3 = 0X0F05;
AD1CHS = 0x0000;//chon kenh 0 doc tin hieu giua AN0 va AVS
AD1CSSL = 0x0000;//khong quyet ngo vao
IFS0bits.AD1IF=0;
IEC0bits.AD1IE=1;
_ASAM=1;
}
void __attribute__ (( interrupt)) _ADC1Interrupt ( void)
{
flag=1;
IFS0bits.AD1IF=0;
ADCvalue=ADC1BUF8;
}