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Work on sample rate independency

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Mark Qvist 2018-12-29 15:57:49 +01:00
parent 3fb4c30604
commit f285ae8cc0
4 changed files with 30 additions and 30 deletions
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11
hardware/AFSK.c
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@ -256,7 +256,7 @@ static bool hdlcParse(Hdlc *hdlc, bool bit, FIFOBuffer *fifo) {
// In this comparison we also detect when no transmission
// (or silence) is taking place, and the demodulator
// returns an endless stream of zeroes. Due to the NRZ-S
// coding, the actual bits send to this function will
// coding, the actual bits sent to this function will
// be an endless stream of ones, which this AND operation
// will also detect.
if ((hdlc->demodulatedBits & HDLC_RESET) == HDLC_RESET) {
@ -549,13 +549,18 @@ void AFSK_adc_isr(Afsk *afsk, int8_t currentSample) {
ISR(ADC_vect) {
TIFR1 = _BV(ICF1);
//DAC_PORT ^= 0xFF;
//DAC_PORT = ADCH;
AFSK_adc_isr(AFSK_modem, (ADCH - 128));
if (hw_afsk_dac_isr) {
DAC_PORT = AFSK_dac_isr(AFSK_modem);
LED_TX_ON();
} else {
DAC_PORT = 128;
DAC_PORT = 127;
LED_TX_OFF();
}
++_clock;