Bibliotecas Complementares

1. ////////////////////////////////////////////////////////////////////////////
void inicializa_timer_0()
{
T0CONbits.TMR0ON=1;//1 liga timer0
T0CONbits.T08BIT=0;//1=8bits
T0CONbits.T0CS=0;//0 clock interno 1/2
T0CONbits.T0SE=1;//1 BORDA DE DESCIDA
T0CONbits.PSA=0;// 0=LIGA PRESCALER
T0CONbits.T0PS2=1;
T0CONbits.T0PS1=1;
T0CONbits.T0PS0=1;//111=1:256
//1000 atualizações do timer=7 segundos
}
////////////////////////////////////////////////////////////////////////////
void inicializa_timer_1()
{
T1CONbits.RD16=0;//0=8bits
T1CONbits.T1CKPS1=0;
T1CONbits.T1CKPS0=0;//11=1:8 00=1:1
T1CONbits.T1OSCEN=0;
T1CONbits.T1SYNC=1;//1 nao sincronizado
T1CONbits.TMR1CS=0;//0 clock interno 1/4
//T1CONbits.TMR1ON=1;//1 liga timer1
}
////////////////////////////////////////////////////////////////////////////
void inicializa_timer_2()
{
T2CONbits.TOUTPS3=1;//0110
T2CONbits.TOUTPS2=1;
T2CONbits.TOUTPS1=1;
T2CONbits.TOUTPS0=1;//0111 1:16 postscale
T2CONbits.T2CKPS1=0;//01
T2CONbits.T2CKPS0=1;//11 prescale=1:16
//8*16*4*256=131072/20MHz=6,55ms
T2CONbits.TMR2ON=1;//1 liga timer1
}
////////////////////////////////////////////////////////////////////////////
void inicializa_entradas_analogicas()
{
ADCON0bits.ADCS1=1;//AD CONVERSION CLOCK
ADCON0bits.ADCS0=0;//AD CONVERSION CLOCK
ADCON0bits.CHS2=0;//ANALOG CHANNEL SELECT BITS
ADCON0bits.CHS1=0;//ANALOG CHANNEL SELECT BITS
ADCON0bits.CHS0=0;//ANALOG CHANNEL SELECT BITS
//ADCON0bits.GO=1;//A/D CONVERSION STATUS BIT
ADCON0bits.ADON=1;//A/D ON BIT
ADCON1bits.ADFM=1;//A/D RESULT FORMAT SELECTION BIT
ADCON1bits.ADCS2=1;//A/D CONVERSION CLOCK
ADCON1bits.PCFG3=0;//A/D PORT CONFIGURATION CONTROL BITS
ADCON1bits.PCFG2=0;//A/D PORT CONFIGURATION CONTROL BITS

2. ADCON1bits.PCFG1=1;//A/D PORT CONFIGURATION CONTROL BITS
ADCON1bits.PCFG0=0;//A/D PORT CONFIGURATION CONTROL BITS
}
////////////////////////////////////////////////////////////////////////////
void inicializa_saidas()
{
lcd_rs_dir=0;
lcd_en_dir=0;
lcd_d4_dir=0;
lcd_d5_dir=0;
lcd_d6_dir=0;
lcd_d7_dir=0;
}
////////////////////////////////////////////////////////////////////////////
void PWM1_Set_Duty(unsigned int potencia)
{
if(potencia>PR2)CCPR1=PR2-1;
else if(potencia<=0)CCPR1=0;
else CCPR1=potencia;
}
////////////////////////////////////////////////////////////////////////////
void inicializa_pwm_1()
{
inicializa_timer_2();
//set the PWM period by writing to the PR2 register
PR2=255;//255=MAXIMO
//set the pwm duty cycle by writing to the CCPR1L register and CCP1CON<5:4> bits
//CCPR1=0;
CCPR1=PR2+1;
CCP1CONbits.DC1B1=0;
CCP1CONbits.DC1B0=0;
//make the CCP1 pin an output by clearing the TRISC<2> bit
TRISCbits.TRISC2=0;
//configure the CCP1 module for PWM operation
CCP1CONbits.CCP1M3=1;
CCP1CONbits.CCP1M2=1;
CCP1CONbits.CCP1M1=1;
CCP1CONbits.CCP1M0=1;
}
////////////////////////////////////////////////////////////////////////////
unsigned int ADC_Read(unsigned int canal)
{
if(canal==0)
{
ADCON0bits.CHS2=0;
ADCON0bits.CHS1=0;
ADCON0bits.CHS0=0;
}
if(canal==1)
{
ADCON0bits.CHS2=0;
ADCON0bits.CHS1=0;

3. ADCON0bits.CHS0=1;
}
if(canal==2)
{
ADCON0bits.CHS2=0;
ADCON0bits.CHS1=1;
ADCON0bits.CHS0=0;
}
if(canal==3)
{
ADCON0bits.CHS2=0;
ADCON0bits.CHS1=1;
ADCON0bits.CHS0=1;
}
delay_10us(1);
ADCON0bits.GO=1;
while(ADCON0bits.GO);
valor=ADRESL+(256*ADRESH);
return(valor);
}
Observação: Autoria Engenheiro Rodrigo Lacerda Taschetto.