ISR(TIMER1_COMP_vect, ISR_BLOCK)
{
//******************************************************************************
// System timer (for system ticks)
//******************************************************************************
TCNT1 = 0;
OS_Timer();
}
void interrupcao(){
if (PIR1bits.TMR1IF)
{
PIR1bits.TMR1IF = 0;
TMR1H = 0xD8;
TMR1L = 0xF0;
OS_Timer(); //estoura a cada 10.000us (para clock de 4MHz)
}
}
void interrupt_high (void)
{
static unsigned char ucCounter; // PWM steps counter
unsigned char ucPosition; // Position for rotation
unsigned char ucLedsMask; // Current LED's mask
char i; // Loop variable
//******************************************************************************
// Software PWM
//******************************************************************************
if (INTCONbits.T0IF && INTCONbits.T0IE)
{
INTCONbits.T0IF = 0;
ucCounter++;
ucPosition = m_ucPosition; // Position of brightness for first LED
i = NUMBER_OF_LEDS; // Loop on all LEDS
ucLedsMask = 0x01;
do
{
//----------------------------------------------------------------------
// Check for PWM duty cycle
//
//----------------------------------------------------------------------
if (ucCounter > Brightness[ucPosition & TABLE_MASK]) PORTLEDS &= ~ucLedsMask;
else PORTLEDS |= ucLedsMask;
ucLedsMask <<= 1; // Make mask for next LED
ucPosition += m_scDirection; // Take next position of brightness
} while (--i);
ucCounter &= 0x1F; // PWM is 5-bit, msb are zeroed
}
//******************************************************************************
// System timer (for system ticks)
//******************************************************************************
if (PIR1bits.TMR2IF)
{
PIR1bits.TMR2IF = 0;
OS_Timer();
}
}
void interrupt (void)
{
if(TMR0if_bit)
{
tmr0if_bit=0;
tmr0l=0;
OS_Timer();
}
if(tmr3if_bit)
{
tmr3if_bit=0;
ISR1();
}
if(TMR1IF_bit)
{
tmr1IF_bit=0;
tmr1l=0;
tmr1h=0xAA;
}
}
void timer0_isr(void){
OS_Timer();
set_timer0(0xE88F); //se recarga el Timer0
}
