static void startAudioHiFi()
{
backupPreMozziTimer1();
// pwm on timer 1
pinMode(AUDIO_CHANNEL_1_highByte_PIN, OUTPUT); // set pin to output for audio, use 3.9k resistor
pinMode(AUDIO_CHANNEL_1_lowByte_PIN, OUTPUT); // set pin to output for audio, use 499k resistor
Timer1.initializeCPUCycles(16000000UL/125000, FAST); // set period for 125000 Hz fast pwm carrier frequency = 14 bits
Timer1.pwm(AUDIO_CHANNEL_1_highByte_PIN, 0); // pwm pin, 0% duty cycle, ie. 0 signal
Timer1.pwm(AUDIO_CHANNEL_1_lowByte_PIN, 0); // pwm pin, 0% duty cycle, ie. 0 signal
backupMozziTimer1();
// audio output interrupt on timer 2, sets the pwm levels of timer 1
setupTimer2();
}
void setupCNModuleAnd_IR_PIR_Input()
{
//T2 used to sample IR Input signals
setupTimer2();
//IR INPUT
mPORTDSetPinsDigitalIn(BIT_7); //D5 IR Input (CN16 module, RD7)
//PIR input
mPORTBSetPinsDigitalIn(BIT_2); //A1 PIR Input (CN4 module, RB2)
// setup the change notice options
//(ensure that CN continues working in sleep mode)
mCNOpen(CN_OFF | CN_IDLE_CON, CN16_ENABLE | CN4_ENABLE, CN16_PULLUP_ENABLE | CN4_PULLUP_ENABLE);
// read port(s) to clear mismatch
mPORTDReadBits(BIT_7);
mPORTBReadBits(BIT_2);
mPORTBReadBits(BIT_4);
// configure interrupts and clear change notice interrupt flag
ConfigIntCN(CHANGE_INT_ON | CHANGE_INT_PRI_3);
mCNClearIntFlag(); // Clear interrupt flag
}
