etude et conception d'un variateur de vitesse

Code :

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#include <16F876.h>
#device adc=8
#use delay(clock=4000000)
#fuses NOWDT,XT, NOPUT, NOPROTECT, BROWNOUT, LVP, NOCPD, NOWRT, NODEBUG
#include <LCD.C>
#define Bouton1 PIN_C3
#define BOUTON2 PIN_C4


void convert_to_pourcent( long int data, char volts[6]) {
BYTE i;
long int temp,div;

div=1000;
for(i=0;i<=2;i++) {
temp=data/div;
volts=(BYTE)temp+'0';
temp=div*(BYTE)temp;
data=data-temp;
div=div/10;
}
}

void display_data( long int data ) {
char volt_string[6];
convert_to_pourcent( data, volt_string );
printf(lcd_putc,volt_string);
lcd_putc(" % ");
}
void main()
{byte s,a;
long int r;
r=500;a=1;
output_c(0xF8);
set_tris_c(0xF8);
setup_adc_ports(NO_ANALOGS);
setup_adc(ADC_OFF);
setup_spi(FALSE);
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
setup_timer_2(T2_DIV_BY_16, 127, 1);
lcd_init();
do {
lcd_gotoxy(1,1);
printf(lcd_putc,"Choix du sens:");
if (input(bouton1) ==0) { s=1; lcd_gotoxy(7,2);a=0;
printf(lcd_putc,"sens avant");delay_ms(500);}
if (input(bouton2) ==0) { s=0;lcd_gotoxy(7,2);a=0;
printf(lcd_putc,"sens ariere");delay_ms(500);}


} while (a==1);


do{
if (s==1)
{setup_ccp1(CCP_PWM);set_pwm1_duty(r);lcd_gotoxy(1,2);display_data(r);}
if (s==0)
{setup_ccp2(CCP_PWM);set_pwm2_duty(r);lcd_gotoxy(1,2);display_data(r);}
if (input(bouton1) ==0) { r=r+10;lcd_gotoxy(1,2);display_data(r);delay_ms(50);}
if (input(bouton2) ==0) { r=r-10;lcd_gotoxy(1,2);display_data(r);delay_ms(50);}
if (r> 1000 ) {r=0;}
}
while (true);
}

Code :

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#include "D:\\projets\\variateur\\program.h"