// Init of Drv PWM
Boolean DrvPwmInit( Int16U period )
{
//init the structure to the dafault value
for(Int8U indexPwm = 0U; indexPwm < E_NB_PWMS ; indexPwm++)
{
pwms[ indexPwm ].enable = FALSE;
pwms[ indexPwm ].pin = pwmPins[ indexPwm ];
pwms[ indexPwm ].ticks = 0U;
pwms[ indexPwm ].min = 0U;
pwms[ indexPwm ].mid = 0U;
pwms[ indexPwm ].max = 0U;
DrvIoSetPinOutput( pwms[ indexPwm ].pin );
}
//set idx to 0 at startup
idPwm = 0U;
//on init le timer 1 tick = 0.5us
BIT_LOW(TCCR1A,WGM11); //mode normal
BIT_LOW(TCCR1A,WGM10); //mode normal
BIT_LOW(TCCR1B,WGM13); //mode normal
BIT_LOW(TCCR1B,WGM12); //mode normal
BIT_LOW (TIMSK1,OCIE1A);//disable ISR on OCIE1A
BIT_LOW(TIMSK1,OCIE1B);//disable ISR on OCIE1B
BIT_LOW (TIMSK1,TOIE1);//disable ISR on TOIE1
BIT_LOW (TIMSK1,ICIE1);//disable ISR on ICIE1
//set initial period
DrvPwmSetPeriod(period);
//reset counter to 0
TCNT1 = 0x0000U;
return TRUE;
}
inline void ClearAlarmFlag (AlarmType flag)
{
if (flag != AlarmType_None)
{
if (activeFlags)
{
BIT_LOW(activeFlags, flag);
if (!activeFlags)
{
OnAlarmEnded();
}
}
}
}
// set the period of all PWM
Boolean DrvPwmSetPeriod( Int16U period )
{
periodPwm = period;
if(periodPwm != 0U)
{
OCR1B = periodPwm;
BIT_LOW (TCCR1B,CS12); //prescaler 8
BIT_HIGH(TCCR1B,CS11); //prescaler 8
BIT_LOW (TCCR1B,CS10); //prescaler 8
BIT_HIGH(TIMSK1,OCIE1B);//enable ISR on OCIE1B
}
else
{
OCR1B = 0U;
BIT_LOW (TCCR1B,CS12); //disable
BIT_LOW (TCCR1B,CS11); //disable
BIT_LOW (TCCR1B,CS10); //disable
BIT_LOW(TIMSK1,OCIE1B);//disable ISR on OCIE1B
}
return TRUE;
}
////////////////////////////////////////PUBILC FUNCTIONS//////////////////////////////////////////
//Fonction d'initialisation
//return : TRUE si ok
Boolean DrvAdcInit ( void )
{
Boolean oSuccess = TRUE;
//AVCC with external capacitor at AREF pin
BIT_HIGH(ADMUX,REFS0);
//single ended input
BIT_LOW(ADMUX,MUX4);
BIT_LOW(ADMUX,MUX3);
//free running
BIT_LOW(ADCSRB,ADTS0);
BIT_LOW(ADCSRB,ADTS1);
BIT_LOW(ADCSRB,ADTS2);
//disable digital input reg for ADC pins
BIT_LOW(DIDR0,ADC0D);
BIT_LOW(DIDR0,ADC1D);
BIT_LOW(DIDR0,ADC2D);
BIT_LOW(DIDR0,ADC3D);
BIT_HIGH(DIDR0,ADC4D);
BIT_HIGH(DIDR0,ADC5D);
BIT_HIGH(DIDR0,ADC6D);
BIT_HIGH(DIDR0,ADC7D);
//enable ADC
BIT_HIGH(ADCSRA,ADEN);
//no start now
BIT_LOW(ADCSRA,ADSC);
//no auto trigger
BIT_LOW(ADCSRA,ADATE);
//flag
BIT_LOW(ADCSRA,ADIF);
//disable ADC interrupt
BIT_LOW(ADCSRA,ADIE);
//division factor set to 8
BIT_HIGH(ADCSRA,ADPS0);
BIT_HIGH(ADCSRA,ADPS1);
return oSuccess;
}
