void
irmp_init(void)
{
#ifdef IRMP_RX_SUPPORT
/* configure TSOP input, disable pullup */
DDR_CONFIG_IN(IRMP_RX);
PIN_CLEAR(IRMP_RX);
#endif
#ifdef STATUSLED_IRMP_RX_SUPPORT
DDR_CONFIG_OUT(STATUSLED_IRMP_RX);
IRMP_RX_LED_OFF;
#endif
#ifdef STATUSLED_IRMP_TX_SUPPORT
DDR_CONFIG_OUT(STATUSLED_IRMP_TX);
IRMP_TX_LED_OFF;
#endif
/* init timer0/2 to expire after 1000/IRMP_HZ ms */
#ifdef IRMP_USE_TIMER2
SET_HW_PRESCALER;
TC2_COUNTER_COMPARE = SW_PRESCALER - 1;
TC2_COUNTER_CURRENT = 0;
TC2_INT_COMPARE_ON; /* enable interrupt */
#else
SET_HW_PRESCALER;
TC0_COUNTER_COMPARE = SW_PRESCALER - 1;
TC0_COUNTER_CURRENT = 0;
TC0_INT_COMPARE_ON; /* enable interrupt */
#endif
#ifdef IRMP_TX_SUPPORT
PIN_CLEAR(IRMP_TX);
DDR_CONFIG_OUT(IRMP_TX);
#ifndef IRMP_EXTERNAL_MODULATOR
#ifdef IRMP_USE_TIMER2
TC0_MODE_CTC;
TC0_PRESCALER_1;
#else
TC2_MODE_CTC;
TC2_PRESCALER_1;
#endif
#endif
irmp_tx_set_freq(IRSND_FREQ_36_KHZ); /* default frequency */
#endif
}
void
irmp_init (void)
{
/* configure TSOP input, disable pullup */
DDR_CONFIG_IN (IRMP_RX);
PIN_CLEAR (IRMP_RX);
#ifdef IRMP_RX_LED
DDR_CONFIG_OUT (STATUSLED_RX);
IRMP_RX_LED_OFF;
#endif
/* init timer0/2 to expire after 1000/IRMP_HZ ms */
#ifdef IRMP_USE_TIMER2
_TCCR2_PRESCALE = HW_PRESCALER_MASK;
_OUTPUT_COMPARE_REG2 = SW_PRESCALER - 1;
_TCNT2 = 0;
_TIMSK_TIMER2 |= _BV (_OUTPUT_COMPARE_IE2); /* enable interrupt */
#else
_TCCR0_PRESCALE = HW_PRESCALER_MASK;
_OUTPUT_COMPARE_REG0 = SW_PRESCALER - 1;
_TCNT0 = 0;
_TIMSK_TIMER0 |= _BV (_OUTPUT_COMPARE_IE0); /* enable interrupt */
#endif
#ifdef IRSND_SUPPORT
PIN_CLEAR (IRMP_TX);
DDR_CONFIG_OUT (IRMP_TX);
#ifdef IRMP_USE_TIMER2
_TCCR0_PRESCALE = _BV (_WGM01) | _BV (_CS00); /* CTC mode, 0x01, start Timer 0, no prescaling */
#else
_TCCR2_PRESCALE = _BV (_WGM21) | _BV (_CS20); /* CTC mode, 0x01, start Timer 2, no prescaling */
#endif
irmp_tx_set_freq (IRSND_FREQ_36_KHZ); /* default frequency */
#endif
}
