Xin code dò line trong PIC16F887 dùng ADC

[victory4903]

Anh em ai có code do line cho PIC16F887 dùng ADC cho mình xin tham khảo với!Mình dùng Opamp mà bị nhiễu nhiều quá!Mong mọi người giúp đỡ!
Chân thành cảm onw~!

[lehoangaries]

// BANH_TRAI "PWM0";BANH_PHAI "PWM2";
#INCLUDE <16f877a.h>
#FUSES HS,NOWDT,NOPROTECT,NOLVP
#USE DELAY(clock=20000000)
//***** KHAI BAO THANH GHI *********

#byte PORTA =0xF80
#byte PORTB =0xF81
#byte PORTC =0xF82
#byte PORTD =0xF83
#byte PORTE =0xF84
#BIT CB1 = PORTA.0
#BIT CB2 = PORTA.1
#BIT CB3 = PORTA.2
#BIT CB4 = PORTA.3
#BIT CB5 = PORTA.4
#BIT CB6 = PORTA.5
#BIT CB7 = PORTE.0
#BIT CB8 = PORTE.1
#BIT NUTNHAN = PORTE.2
#BIT BANHPHAI = PORTB.0 //BANH TRAI PWM0
#BIT BANHTRAI = PORTB.2 //BANH PHAI PWM2
INT SOCB_THU_DC,I=0,DEM_T0;
INT16 BANH_TRAI [8] = {1000,980,945,900,850,800,750,720};
INT16 BANH_PHAI [8] = {1000,985,960,920,880,830,775,745};
VOID DEM_CHECK_POINT (VOID);
VOID TOC_DO (VOID);
VOID DEM_CHECK_POINT (VOID)
{
SOCB_THU_DC = 0;
IF(CB2==0) SOCB_THU_DC ++;
IF(CB3==0) SOCB_THU_DC ++;
IF(CB4==0) SOCB_THU_DC ++;
IF(CB5==0) SOCB_THU_DC ++;
IF(CB6==0) SOCB_THU_DC ++;
IF(CB7==0) SOCB_THU_DC ++;
IF(SOCB_THU_DC >=3) I++;
DO{}
WHILE((CB2==0&&CB3==0&&CB4==0)||(CB3==0&&CB4==0&&C B5==0)||(CB5==0&&CB6==0&&CB7==0)||(CB4==0&&CB5==0& &CB6==0));
}
VOID TOC_DO (VOID)
{
DEM_CHECK_POINT ();
WHILE(TRUE)
{
DEM_CHECK_POINT ();
IF(CB2==0&&CB3==1&&CB4==1&&CB5==1&&CB6==1&&CB7==1)
{
SET_POWER_PWM0_DUTY (BANH_TRAI [5]);
SET_POWER_PWM2_DUTY (BANH_PHAI [1]);
}
IF((CB2==1&&CB3==0&&CB4==1&&CB5==1&&CB6==1&&CB7==1 )||(CB2==0&&CB3==0&&CB4==1&&CB5==1&&CB6==1&&CB7==1 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [4]);
SET_POWER_PWM2_DUTY (BANH_PHAI [1]);
}
IF((CB2==1&&CB3==0&&CB4==1&&CB5==1&&CB6==1&&CB7==1 )||(CB2==1&&CB3==0&&CB4==0&&CB5==1&&CB6==1&&CB7==1 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [3]);
SET_POWER_PWM2_DUTY (BANH_PHAI [1]);
}
IF((CB2==1&&CB3==1&&CB4==0&&CB5==1&&CB6==1&&CB7==1 )||(CB2==1&&CB3==1&&CB4==0&&CB5==0&&CB6==1&&CB7==1 )||(CB2==1&&CB3==1&&CB4==1&&CB5==0&&CB6==1&&CB7==1 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [5]);
SET_POWER_PWM2_DUTY (BANH_PHAI [5]);
}
IF((CB2==1&&CB3==1&&CB4==1&&CB5==0&&CB6==0&&CB7==1 )||(CB2==1&&CB3==1&&CB4==1&&CB5==1&&CB6==0&&CB7==1 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [1]);
SET_POWER_PWM2_DUTY (BANH_PHAI [4]);
}
IF(CB2==1&&CB3==1&&CB4==1&&CB5==0&&CB6==1&&CB7==1)
{
SET_POWER_PWM0_DUTY (BANH_TRAI [1]);
SET_POWER_PWM2_DUTY (BANH_PHAI [3]);
}
IF((CB2==1&&CB3==1&&CB4==1&&CB5==1&&CB6==1&&CB7==0 )||(CB2==1&&CB3==1&&CB4==1&&CB5==1&&CB6==0&&CB7==0 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [1]);
SET_POWER_PWM2_DUTY (BANH_PHAI [5]);
}
}
WHILE(I==2||I==3||I==6||I==7||I==10||I==11||I==14| |I==15)
{
DEM_CHECK_POINT ();
IF(CB2==1&&CB3==1&&CB4==1&&CB5==1&&CB6==1&&CB7==0)
{
SET_POWER_PWM0_DUTY (BANH_TRAI [7]);
SET_POWER_PWM2_DUTY (BANH_PHAI [2]);
}
IF((CB2==1&&CB3==1&&CB4==1&&CB5==1&&CB6==0&&CB7==0 )||(CB2==1&&CB3==1&&CB4==1&&CB5==1&&CB6==0&&CB7==1 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [7]);
SET_POWER_PWM2_DUTY (BANH_PHAI [3]);
}
IF((CB2==1&&CB3==1&&CB4==1&&CB5==0&&CB6==1&&CB7==1 )||(CB2==1&&CB3==1&&CB4==0&&CB5==1&&CB6==1&&CB7==1 )||(CB2==1&&CB3==1&&CB4==0&&CB5==0&&CB6==1&&CB7==1 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [7]);
SET_POWER_PWM2_DUTY (BANH_PHAI [7]);
}
IF(CB2==1&&CB3==1&&CB4==1&&CB5==0&&CB6==0&&CB7==1)
{
SET_POWER_PWM0_DUTY (BANH_TRAI [7]);
SET_POWER_PWM2_DUTY (BANH_PHAI [4]);
}

IF((CB2==1&&CB3==0&&CB4==0&&CB5==1&&CB6==1&&CB7==1 )||(CB2==1&&CB3==0&&CB4==1&&CB5==1&&CB6==1&&CB7==1 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [4]);
SET_POWER_PWM2_DUTY (BANH_PHAI [7]);
}
IF((CB2==0&&CB3==0&&CB4==1&&CB5==1&&CB6==1&&CB7==1 )||(CB2==0&&CB3==1&&CB4==1&&CB5==1&&CB6==1&&CB7==1 ))
{
SET_POWER_PWM0_DUTY (BANH_TRAI [2]);
SET_POWER_PWM2_DUTY (BANH_PHAI [7]);
}

}
}

// CHUONG TRINH CHINH //

VOID MAIN ()
{

SETUP_POWER_PWM_PINS (PWM_BOTH_ON, PWM_BOTH_ON, PWM_BOTH_ON, PWM_BOTH_ON, );
SETUP_POWER_PWM(PWM_CLOCK_DIV_4|PWM_FREE_RUN,1,0,2 50,0,1,0);
SET_TRIS_A (0XFF);
SET_TRIS_B (0B00000000);
SET_TRIS_C (0B10001000);
SET_TRIS_D (0B00000011);
SET_TRIS_E (0B111);
I=0;
// WHILE(TRUE)
// {
// DEM_T0 = GET_RTCC ();
// LCD_PUTCMD (0X80);
// PRINTF ( LCD_PUTCHAR ,"SO CP = %D",DEM_T0);
// IF(NUTNHAN == 0) GOTO BATDAU;
SET_POWER_PWM0_DUTY (BANH_TRAI [1]);
SET_POWER_PWM2_DUTY (BANH_PHAI [1]);
// }
// BATDAU:I=0;
WHILE(TRUE)
{
DEM_CHECK_POINT ();
TOC_DO ();
}
}