/*
* ir_timeout : this function is called when timer1 overflows.
*/
void
ir_timeout(void)
{
#if IR_RAW_SUPPORT == 1
ir_raw[ir_ptr] = 0xff;
#endif
ir_flags.timeout = 1;
/* stop timer 1 */
T1CONbits.TMR1ON = 0;
/* decode what we got ! */
ir_decode();
if (ir_flags.decoded) {
/* wait for the caller to re-enable reception */
ir_disable();
} else {
Nop();
}
/* reset capture edge */
OpenCapture1(CAPTURE_INT_ON & C1_EVERY_FALL_EDGE);
ir_flags.edge = 0;
ir_reset();
}
/*
* ir_interrupt : this function must be called when the capture interrupt
* occurs.
*/
void
ir_interrupt(void)
{
/* reload timer 1 */
TMR1H = T1_RELOAD_H;
TMR1L = T1_RELOAD_L;
/* change edge */
if (ir_flags.edge) {
//OpenCapture1(CAPTURE_INT_ON & C1_EVERY_FALL_EDGE);
CCP1IE = 1;
CCP1M0 = 0;
ir_flags.edge = 0;
} else {
//OpenCapture1(CAPTURE_INT_ON & C1_EVERY_RISE_EDGE);
CCP1IE = 1;
CCP1M0 = 1;
ir_flags.edge = 1;
}
if (ir_flags.first) {
/* This is the first edge. Start timer1 */
//T1CONbits.TMR1ON = 1;
TMR1ON = 1;
#if IR_RAW_SUPPORT == 1
ir_ptr = 0;
#endif
ir_decode();
ir_flags.first = 0;
return;
}
#if IR_RAW_SUPPORT == 1
ir_raw[ir_ptr] = CCPR1H; // ir_raw in multiple of 64us
ir_ptr++;
if (ir_ptr == IR_RAW_SIZE - 1) {
ir_ptr = 0;
//ir_timeout();
}
#endif
ir_decode();
}
interrupt(PORT1_VECTOR) P1_ISR(void)
{
if ((P1IFG & IR_BIT) == IR_BIT)
ir_decode();
if ((P1IFG & RXD) == RXD)
uart_p1_isr();
P1IFG = 0x00; // clear interrupt flags
}
void main(void) {
unsigned short pwkey = 0;
TRISAbits.RA0 = 0;
ir_enableIRIn();
ir_blink13(0);
while(1)
{
if (ir_decode(&dec_results)) {
if (dec_results.decode_type == NEC)
{
switch(dec_results.value)
{
case TERRATEC_1_KEY:
pwkey = pwkey << 4;
pwkey |= 1;
break;
case TERRATEC_2_KEY:
pwkey = pwkey << 4;
pwkey |= 2;
break;
case TERRATEC_3_KEY:
pwkey = pwkey << 4;
pwkey |= 3;
break;
case TERRATEC_4_KEY:
pwkey = pwkey << 4;
pwkey |= 4;
break;
case TERRATEC_5_KEY:
pwkey = pwkey << 4;
pwkey |= 5;
break;
case TERRATEC_6_KEY:
pwkey = pwkey << 4;
pwkey |= 6;
break;
case TERRATEC_7_KEY:
pwkey = pwkey << 4;
pwkey |= 7;
break;
case TERRATEC_8_KEY:
pwkey = pwkey << 4;
pwkey |= 8;
break;
case TERRATEC_9_KEY:
pwkey = pwkey << 4;
pwkey |= 9;
break;
case TERRATEC_0_KEY:
pwkey = pwkey << 4;
pwkey |= 0;
break;
case REPEAT:
break;
case TERRATEC_OK_KEY:
ir_sendNEC(APPLE_PLAY_KEY,32);
break;
case TERRATEC_UP_KEY:
ir_sendNEC(APPLE_UP_KEY,32);
break;
case TERRATEC_DOWN_KEY:
ir_sendNEC(APPLE_DOWN_KEY,32);
break;
case TERRATEC_LEFT_KEY:
ir_sendNEC(APPLE_LEFT_KEY,32);
break;
case TERRATEC_RIGHT_KEY:
ir_sendNEC(APPLE_RIGHT_KEY,32);
break;
case TERRATEC_INFO_KEY:
ir_sendNEC(APPLE_MENU_KEY,32);
break;
default:
LATAbits.LATA0 = 0;
pwkey = pwkey << 4;
break;
}
if (pwkey == 0x7412)
{
LATAbits.LATA0 = 1;
}
else
{
LATAbits.LATA0 = 0;
}
}
//do something here
ir_resume(); // Receive the next value
}
}
}
