Programmation d'un PIC 16F877 sous MPLAB avec le compilateur MICROC

1. Test Capteurs
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#include <16F877.h>
#fuses XT,NOWDT,NOPROTECT,put,NOlVP
#use delay(clock=4000000)
#include "LCD.c"
#use fast_io(E)
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void bip()
{bit_set(*9,0);
bit_clear (*9,1);delay_ms (250);
bit_set (*9,1);delay_ms (250);
bit_clear (*9,1);delay_ms (250);
bit_set (*9,1);delay_ms (250);
}

2. • //#include <stdlib.h>
• //#include <string.h>
• main ()
• {float value1;float value2;
• lcd_init();
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lcd_putc("f**test capteur**");delay_ms(1000);
lcd_putc("f*carte de cde*");
setup_adc_ports(AN0_AN1_AN2_AN3_AN4);
setup_adc(adc_clock_internal);
set_tris_e(0);output_e(0);
• while(1){

3. •
set_adc_channel( 4);delay_ms(2);
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value1=read_adc();
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value1= 1.2*value1*(100.0/255);printf (lcd_putc,"ndis2=%3.1fCm",value1);
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if (value1>100) {bip();}
else {printf (lcd_putc,"ndis2=%3.1fCm",value1);output_e(0);}
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set_adc_channel( 0 );delay_ms(2);
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value2=read_adc();
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if (value2>100) {bip();}
else {printf (lcd_putc,"ndis1=%3.1fCm",value2);output_e(0);}
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lcd_gotoxy(1,1);value2= 1.2*value2*(100.0/255);printf (lcd_putc,"dis1=%3.1fCm ",value2);
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}
}

4. Commande moteur
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#include <16F877.h>
#fuses XT,NOWDT,NOPROTECT,put,NOlVP
#use delay(clock=20000000)
#include <LCD.c>
#include <stdlib.h>
#include <string.h>
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#include <math.h>
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#define SM1 pin_C4
#define M1 pin_C5
#define SM2 pin_C6
#define M2 pin_C7
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//_____________________________________________________________
void DEPM1 ()

5. •
{
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int value1;
lcd_init();
setup_ccp1(CCP_PWM);
setup_timer_2(T2_DIV_BY_4,255,1);
setup_port_a(ALL_ANALOG);
setup_adc(adc_clock_internal);
set_adc_channel( 2 );
value1=read_adc();Set_pwm1_DUTY(value1);
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value1= value1*(100.0/255);printf (lcd_putc,"v1:%3u%%",value1);
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//}
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//_________________________________________________________________
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}
}