PIC16f877A voltmetar C kod. - Printable Version

Code:
sbit LCD_RS at RB4_bit;

sbit LCD_EN at RB5_bit;

sbit LCD_D4 at RB0_bit;

sbit LCD_D5 at RB1_bit;

sbit LCD_D6 at RB2_bit;

sbit LCD_D7 at RB3_bit;



sbit LCD_RS_Direction at TRISB4_bit;

sbit LCD_EN_Direction at TRISB5_bit;

sbit LCD_D4_Direction at TRISB0_bit;

sbit LCD_D5_Direction at TRISB1_bit;

sbit LCD_D6_Direction at TRISB2_bit;

sbit LCD_D7_Direction at TRISB3_bit;

int Adread;             ------------------------

float voltage;          ------------------------

char volt[4];           ------------------------

void main() {           ------------------------



PORTA = 0;

TRISA = 0X01;

PORTB = 0;

TRISB = 0;

LCD_Init();

ADC_Init();

LCD_Cmd(_LCD_CURSOR_OFF);

LCD_Cmd(_LCD_CLEAR);

LCD_Out(1, 1, "Digital voltmeter");

delay_ms(1000);

while (1)                     --------------------------

{

voltage = ADC_Read(0);

voltage = (voltage * 5 * 10)/ (1024);           -----------------------

inttostr(voltage,volt); // it converts integer value into string

Lcd_Out(2,1,"Voltage = ");

Lcd_Out(2,11,Ltrim(volt));

Lcd_Out(2,13,"Volt");

}

}