cesco/bassofono
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refactor

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This commit is contained in:
nzasch
2022-01-01 02:10:06 +01:00
parent 8fe05fdf5e
commit 9a2f5c0069
11 changed files with 344 additions and 28 deletions
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20
codice/Core/Inc/rx.h
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@@ -4,8 +4,16 @@
#include <stdint.h>
#include <arm_math.h>
// RX ADC
#define RX_ADC_CLOCK (700000L) // (168000000/((47,5+12,5)*4)
#define RX_ADC_OVERSAMPLING (2)
#define RX_ADC_SAMPLE_RATE (RX_ADC_CLOCK/RX_ADC_OVERSAMPLING)
#define RX_ADC_BUFFER_SIZE (1024)
#define RX_ADC_SAMPLES_BUFFER_RATE (RX_ADC_SAMPLE_RATE/RX_ADC_BUFFER_SIZE)
#define NCO2_INCREMENT (343597383L)
#define NCO2_FREQUENCY (DAC_SAMPLE_RATE/((0xFFFFFFFF)/NCO2_INCREMENT))
#define NCO2_FREQUENCY (RX_DAC_SAMPLE_RATE/((0xFFFFFFFF)/NCO2_INCREMENT))
// 1° stadio
// decimazione del singolo stadio
@@ -18,7 +26,7 @@
#define MIXED_SAMPLES_2M_RINGBUFFER_SIZE (MIXED_SAMPLES_RINGBUFFER_SIZE / 2)
#define MIXED_SAMPLES_2M_RINGBUFFER_SIZE_MASK (MIXED_SAMPLES_2M_RINGBUFFER_SIZE - 1)
#define ST1_OUT_SAMPLE_RATE (ADC_SAMPLE_RATE/(MS_DECIMATION_FACTOR*2))
#define ST1_OUT_SAMPLE_RATE (RX_ADC_SAMPLE_RATE/(MS_DECIMATION_FACTOR*2))
// 2° stadio
#define ST2_BUFFER_SIZE (256)
@@ -32,14 +40,18 @@
// audio filter
#define AUDIO_FILTER_TAP_NUM 128
#define AUDIO_FILTER_FREQ_DEF (1250)
#define AUDIO_FILTER_FREQ_MAX (DAC_SAMPLE_RATE/2)
#define AUDIO_FILTER_FREQ_MAX (RX_DAC_SAMPLE_RATE/2)
#define AUDIO_FILTER_BW_DEF (2000)
#define AUDIO_FILTER_BW_MAX (DAC_SAMPLE_RATE/2)
#define AUDIO_FILTER_BW_MAX (RX_DAC_SAMPLE_RATE/2)
#define AUDIO_FILTER_BETA_DEF (16)
#define AUDIO_FILTER_BLOCK_SIZE LF_BUFFER_SIZE
#define RX_SMETER_SCALE 4
// === DAC ===
#define RX_DAC_DIVISOR 7680
#define RX_DAC_SAMPLE_RATE (CLOCK/RX_DAC_DIVISOR)
extern uint8_t rx_signal, rx_signal_last;
extern q31_t rx_nco1_increment;