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tx adc opamp

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This commit is contained in:
nzasch
2022-02-07 02:02:36 +01:00
parent 74bf3e5019
commit 4db3b6246d
201 changed files with 422560 additions and 52 deletions
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3
codice/Core/Inc/bassofono.h
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@@ -44,6 +44,9 @@ struct __attribute__((__packed__)) s_stato {
uint8_t guadagno_rx;
uint8_t guadagno_mic;
uint8_t canale;
uint16_t tx_f_freq;
uint16_t tx_f_banda;
uint8_t tx_f_beta;
};
struct __attribute__((__packed__)) s_canale {

2
codice/Core/Inc/rx.h
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@@ -88,7 +88,7 @@ void am_demodulator(q31_t *in_I, q31_t *in_Q, uint16_t size, q31_t *out);
// void filter_init(void);
void set_rx_audio_filter(void);
void st2_filter_init(void);
void audio_filter_init(void);
void rx_inizializza_filtro_audio(void);
void audio_filter_generate_coeffs(int32_t *Coeffs, uint32_t freq, uint32_t bw, uint8_t beta);
q31_t hb_fir15(q31_t * samples_ringbuf, uint8_t sample_index, uint8_t buff_size_mask, q31_t * coefficients);

59
codice/Core/Inc/tx.h
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@@ -14,45 +14,82 @@
// #define TX_TYPE TX_TYPE_SI5351
#define TX_TYPE TX_TYPE_DAC
// TX ADC
#define TX_ADC_DIVISOR 7680
#define TX_ADC_SAMPLE_RATE (CLOCK/TX_ADC_DIVISOR) // 21875
#define TX_ADC_DIMENSIONE_BUFFER (64)
#define TX_ADC_BUFFER_RATE (TX_ADC_SAMPLE_RATE/TX_ADC_DIMENSIONE_BUFFER)
// TX IF
/*
#define TX_AUDIO_FILTER_INTERPOLATION_FACTOR (16)
#define TX_AUDIO_FILTER_BLOCK_SIZE (1024)
#define TX_AUDIO_FILTER_TAP_NUM (128)
*/
#define TX_FILTRO_AUDIO_FATTORE_INTERPOLAZIONE (16)
#define TX_FILTRO_AUDIO_DIMENSIONE_BLOCCO (64)
#define TX_FILTRO_AUDIO_NUMERO_TAP (128)
// filtro audio
#define TX_FILTRO_AUDIO_TAP_NUM 128
#define TX_FILTRO_AUDIO_FREQ_DEF (1250)
#define TX_FILTRO_AUDIO_FREQ_MAX (TX_DAC_SAMPLE_RATE/2)
#define TX_FILTRO_AUDIO_BANDA_DEF (2000)
#define TX_FILTRO_AUDIO_BANDA_MAX (TX_DAC_SAMPLE_RATE/2)
#define TX_FILTRO_AUDIO_BETA_DEF (16)
#define TX_FILTRO_AUDIO_BLOCK_SIZE TX_DAC_BUFFER_SIZE
#define TX_FILTRO_RF_FATTORE_INTERPOLAZIONE (16)
#define TX_FILTRO_RF_DIMENSIONE_BLOCCO (1024)
#define TX_FILTRO_RF_NUMERO_TAP (128)
// TX DAC
#define TX_DAC_SAMPLE_RATE (CLOCK/480) // 350000
#define TX_DAC_BUFFER_SIZE (1024)
#define TX_DAC_BUFFER_RATE (TX_DAC_SAMPLE_RATE/TX_DAC_BUFFER_SIZE) // 341,796
// TX ADC
#define TX_ADC_DIVISOR 7680
#define TX_ADC_SAMPLE_RATE (CLOCK/TX_ADC_DIVISOR) // 21875
#define TX_ADC_BUFFER_SIZE (64)
#define TX_ADC_BUFFER_RATE (TX_ADC_SAMPLE_RATE/TX_ADC_BUFFER_SIZE)
#define TX_NCO_FREQUENCY (TX_ADC_SAMPLE_RATE/((0xFFFFFFFF)/NCO2_INCREMENT)) // 1750
#define TX_SMETER_SCALE 2
// variabili
extern uint8_t tx_signal, tx_signal_last;
extern q31_t tx_nco1_increment;
// buffer
// TX ADC
extern volatile uint8_t tx_adc_buffer_pronto;
extern uint16_t tx_adc_buffer[TX_ADC_BUFFER_SIZE];
extern uint16_t tx_adc_buffer[TX_ADC_DIMENSIONE_BUFFER];
// TX filtro audio
extern arm_fir_instance_q31 tx_filtro_audio_struttura;
extern q31_t tx_filtro_audio_stato[TX_FILTRO_AUDIO_DIMENSIONE_BLOCCO + TX_FILTRO_AUDIO_NUMERO_TAP - 1];
extern int32_t tx_filtro_audio_coefficienti[TX_FILTRO_AUDIO_NUMERO_TAP];
// TX DAC
extern volatile uint8_t tx_dac_buffer_mezzo_vuoto, tx_dac_buffer_toggle;
extern q31_t tx_dac_buffer[2][TX_DAC_BUFFER_SIZE];
// TX IF
extern q31_t tx_I_buffer[TX_ADC_BUFFER_SIZE], tx_Q_buffer[TX_ADC_BUFFER_SIZE];
extern q31_t tx_I_buffer[TX_ADC_DIMENSIONE_BUFFER], tx_Q_buffer[TX_ADC_DIMENSIONE_BUFFER];
// funzioni
// filtro audio
extern void tx_filtra_audio(q31_t *out, uint16_t dimensione, uint16_t *in);
extern arm_fir_instance_q31 tx_audio_filter_I_struct, tx_audio_filter_Q_struct;
extern q31_t tx_audio_filter_I_state[TX_AUDIO_FILTER_BLOCK_SIZE + TX_AUDIO_FILTER_TAP_NUM - 1];
extern q31_t tx_audio_filter_Q_state[TX_AUDIO_FILTER_BLOCK_SIZE + TX_AUDIO_FILTER_TAP_NUM - 1];
extern int32_t tx_audio_filter_coeffs[TX_AUDIO_FILTER_TAP_NUM];
extern q31_t tx_audio_filter_I_state[TX_FILTRO_AUDIO_DIMENSIONE_BLOCCO + TX_FILTRO_AUDIO_NUMERO_TAP - 1];
extern q31_t tx_audio_filter_Q_state[TX_FILTRO_AUDIO_DIMENSIONE_BLOCCO + TX_FILTRO_AUDIO_NUMERO_TAP - 1];
extern int32_t tx_audio_filter_coeffs[TX_FILTRO_AUDIO_NUMERO_TAP];
// mixer
@@ -60,7 +97,7 @@ void tx_mixer(q31_t *out, uint16_t dimensione_out, q31_t *I_in, q31_t *Q_in, int
// modulatori
void modulatore_dc(q31_t *out, uint16_t dimensione, q31_t *in);
void modulatore_dc(q31_t *out_I, q31_t *out_Q, uint16_t dimensione, q31_t *in);
void modulatore_ssb(q31_t *out_I, q31_t *out_Q, uint16_t dimensione, q31_t *in, q31_t nco_freq);
void modulatore_am(q31_t *out_I, q31_t *out_Q, uint16_t dimensione, q31_t *in);