OpenModem/hardware/VREF.c

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#include "VREF.h"
uint8_t adcReference = CONFIG_ADC_REF;
uint8_t dacReference = CONFIG_DAC_REF;
void VREF_init(void) {
//DDRD |= _BV(7);
DDRD = 0xFF;
TCCR2A = _BV(WGM20) |
_BV(WGM21) |
_BV(COM2A1)|
_BV(COM2B1);
TCCR2B = _BV(CS20);
OCR2A = adcReference;
OCR2B = dacReference;
}
void vref_setADC(uint8_t value) {
adcReference = value;
OCR2A = adcReference;
}
void vref_setDAC(uint8_t value) {
dacReference = value;
OCR2B = dacReference;
}