72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
#ifndef __TX_H
|
|
#define __TX_H
|
|
|
|
#include <stdint.h>
|
|
#include <arm_math.h>
|
|
|
|
#define CW_TONE_INCREMENT 0.15
|
|
#define CW_TONE_VOLUME 2
|
|
|
|
#define TX_TYPE_NONE 0
|
|
#define TX_TYPE_DAC 1
|
|
#define TX_TYPE_SI5351 3
|
|
|
|
// #define TX_TYPE TX_TYPE_SI5351
|
|
#define TX_TYPE TX_TYPE_DAC
|
|
|
|
#define TX_AUDIO_FILTER_INTERPOLATION_FACTOR (16)
|
|
#define TX_AUDIO_FILTER_BLOCK_SIZE (1024)
|
|
#define TX_AUDIO_FILTER_TAP_NUM (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
|
|
|
|
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];
|
|
|
|
// 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];
|
|
|
|
// filtro audio
|
|
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];
|
|
|
|
// mixer
|
|
|
|
void tx_mixer(q31_t *out, uint16_t dimensione_out, q31_t *I_in, q31_t *Q_in, int32_t incremento_nco);
|
|
|
|
// modulatori
|
|
|
|
void modulatore_dc(q31_t *out, 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);
|
|
|
|
uint16_t u12_sine(void);
|
|
void genera_tono(q31_t *buffer, uint16_t buffer_dimensione);
|
|
void set_tx_nco1_freq(int32_t freq);
|
|
|
|
#endif
|