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Moved to 20MHz clock, 2400 baud implemented

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Mark Qvist 2019-01-01 20:34:02 +01:00
parent 874689c602
commit 43724186c9
7 changed files with 48 additions and 36 deletions
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7
hardware/AFSK.c
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@ -2,10 +2,11 @@
#include "AFSK.h"
#include "util/time.h"
// TODO: Remove testing vars
// TODO: Remove testing vars ////
#define SAMPLES_TO_CAPTURE 128
ticks_t capturedsamples = 0;
uint8_t samplebuf[SAMPLES_TO_CAPTURE];
/////////////////////////////////
extern volatile ticks_t _clock;
extern unsigned long custom_preamble;
@ -58,7 +59,7 @@ void AFSK_hw_init(void) {
_BV(ADIE) | // ADC Interrupt Enable
_BV(ADPS0)|
_BV(ADPS2); // Set ADC prescaler bits to 0b101 = 32
// At 16MHz, this gives an ADC clock of 500 KHz
// At 20MHz, this gives an ADC clock of 625 KHz
// Run DAC initialisation
AFSK_DAC_INIT();
@ -388,7 +389,6 @@ void AFSK_adc_isr(Afsk *afsk, int8_t currentSample) {
#endif
#elif CONFIG_SAMPLERATE == 19200
#if FILTER_CUTOFF == 150
#define IIR_GAIN 2 // Really 2.172813446e
#define IIR_POLE 2 // Really Y[0] * 0.9079534415
@ -571,7 +571,6 @@ void AFSK_adc_isr(Afsk *afsk, int8_t currentSample) {
}
ISR(ADC_vect) {
TIFR1 = _BV(ICF1);