CCS C for PIC16F877A

[An Hiep]

Chào anh nhh!
Cảm ơn anh đã post lên nhiều chương trình rất dễ hiểu. Anh cho hỏi: Tôi muốn vừa tiến hành đo điện áp và hiển thị lên LCD vừa định thời gian thì làm thế nào?. Cụ thể là tôi có bài tập tiến hành đo điện áp của 1 thiết bị sạc ác quy, vấn đề này thì không có gì, nhưng tôi muốn đo thời gian nó đã sạc nữa, đơn vị tính thời gian là phút. Mong anh nhh va các anh em trong diễn đàn giúp đỡ!
Thanks alot!

[necati]

#include <16f628.H>
#use   delay(clock=4000000)//
#fuses NOPROTECT,NOWDT,PUT,noBROWNOUT,noLVP,NOMCLR,xt
#BYTE     PORT_A=0X05
#BYTE     PORT_B=0X06
/***entegreterbiyecisi@yahoo.com***//***entegreterbiyecisi@yahoo.com***/
// LCD STUFF
#define LCD_RS      PIN_b0
#define LCD_EN      PIN_b1
#define LCD_D4      PIN_b2
#define LCD_D5      PIN_b3
#define LCD_D6      PIN_b4
#define LCD_D7      PIN_b5
#define FIRST_LINE  0x00
#define SECOND_LINE 0x40
#define CLEAR_DISP  0x01
#define CURS_ON     0x0e
#define CURS_OFF    0x0c
/***entegreterbiyecisi@yahoo.com***/
#use standard_io ( a )
#use standard_io ( b )
/***entegreterbiyecisi@yahoo.com***/
// proto statements
void LCD_Init        ( void );
void LCD_SetPosition ( unsigned int cX );
void LCD_PutChar     ( unsigned int cX );
void LCD_PutCmd      ( unsigned int cX );
void LCD_PulseEnable ( void );
void LCD_SetData     ( unsigned int cX );
/***entegreterbiyecisi@yahoo.com***//***entegreterbiyecisi@yahoo.com***/
/*************************entegreterbiyecisi@yahoo.com******************************/
int32 ab=0,hz=0;
int1 stept_say=0,data_bitti=0,step,aa=0;
int16 sayi=0,tr=20;
/*************************entegreterbiyecisi@yahoo.com******************************/
#int_timer1
tas(){
ab++;
}
#int_timer0
sn(){sayi=0;
 set_timer0(61);//(255-60)*195*20=1000000us=dahili 1sn icin
 if(tr){ tr--;}
 else{delay_us ( 698 );
      output_low(pin_a0);
      disable_interrupts (global);
      disable_interrupts(int_timer0);
      disable_interrupts(int_timer1);
      sayi=get_timer1();
      aa=1;
      hz=sayi+(65536*ab);
      tr=20;
                              }}
/*************************entegreterbiyecisi@yahoo.com******************************/
   void main() {

      setup_timer_1(t1_external|t1_div_by_1);
      setup_timer_0 (RTCC_INTERNAL|RTCC_DIV_256);
      enable_interrupts(int_timer0); // timer0
      enable_interrupts(int_timer1);
      enable_interrupts(global);
      lcd_init();
      SET_TRIS_A(0b00100000);
      SET_TRIS_B(0b11000000);
      set_timer0(61);
      set_timer1(0);

      LCD_SetPosition(first_LINE+0);
      printf(lcd_putchar,"\NECATi KIYLIOGLU ");
      LCD_SetPosition(second_LINE+1);
      printf(lcd_putchar,"\ 0532 613 65 87");
      delay_ms (500);
      LCD_PutCmd ( CLEAR_DISP );
      sayi=0;
      hz=0;
/*************************entegreterbiyecisi@yahoo.com******************************/
while(true){
   if(aa==1){
      //LCD_PutCmd ( CLEAR_DISP );
      LCD_SetPosition(first_LINE+0);
      printf(lcd_putchar,"\FREQUENCYMETER     ");

    if(999>=hz){
      LCD_SetPosition(second_LINE+0);
      printf(lcd_putchar,"\FRQ=%ldHz          ",hz);}
      //////////////////////////////////////////
    if(hz>=1000){
    if(999999>=hz){
      LCD_SetPosition(second_LINE+0);
      printf(lcd_putchar,"\FRQ=%3.3wKhz         ",hz);}}
      /////////////////////////////////////////////
    if(hz>=1000000){
      LCD_SetPosition(second_LINE+0);
      printf(lcd_putchar,"\FRQ=%2.6wMhz          ",hz);}
      ////////////////////////////////////////////
      delay_ms (1);

      set_timer1(0);
      enable_interrupts(int_timer0);
      enable_interrupts(int_timer1);
      enable_interrupts (global);
      aa=0;
      ab=0;
      }
             }}
/*************************entegreterbiyecisi@yahoo.com******************************/
/***entegreterbiyecisi@yahoo.com***/ //lcd basla
void LCD_Init ( void ){
    LCD_SetData ( 0x00 );
    output_low ( LCD_RS );
    LCD_SetData ( 0x03 );   // init with specific nibbles to start 4-bit mode
    LCD_PulseEnable();
    LCD_PulseEnable();
    LCD_PulseEnable();
    LCD_SetData ( 0x02 );   // set 4-bit interface
    LCD_PulseEnable();      // send dual nibbles hereafter, MSN first
    LCD_PutCmd ( 0x2C );    // function set (all lines, 5x7 characters)
    LCD_PutCmd ( 0x0C );    // display ON, cursor off, no blink
    LCD_PutCmd ( 0x01 );    // clear display
    LCD_PutCmd ( 0x06 );    // entry mode set, increment
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_SetPosition ( unsigned int cX )
    {
    // this subroutine works specifically for 4-bit Port A
    LCD_SetData ( swap ( cX ) | 0x08 );
    LCD_PulseEnable();
    LCD_SetData ( swap ( cX ) );
    LCD_PulseEnable();
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_PutChar ( unsigned int cX )
    {
    // this subroutine works specifically for 4-bit Port A
    output_high ( LCD_RS );
    LCD_SetData ( swap ( cX ) );     // send high nibble
    LCD_PulseEnable();
    LCD_SetData ( swap ( cX ) );     // send low nibble
    LCD_PulseEnable();
    output_low ( LCD_RS );
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_PutCmd ( unsigned int cX )
    {
    // this subroutine works specifically for 4-bit Port A
    LCD_SetData ( swap ( cX ) );     // send high nibble
    LCD_PulseEnable();
    LCD_SetData ( swap ( cX ) );     // send low nibble
    LCD_PulseEnable();
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_PulseEnable ( void )
    {
    output_high ( LCD_EN );
    delay_us ( 100 );
    output_low ( LCD_EN );
    delay_ms ( 5 );
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_SetData ( unsigned int cX )
    {
    output_bit ( LCD_D4, cX & 0x01 );
    output_bit ( LCD_D5, cX & 0x02 );
    output_bit ( LCD_D6, cX & 0x04 );
    output_bit ( LCD_D7, cX & 0x08 );
    }
/***entegreterbiyecisi@yahoo.com***/ //lcd son
////////////////////////////////////////////////////////////////////////////