2021-07-02 22:19:04 +02:00
|
|
|
#include <stdint.h>
|
|
|
|
|
#include <stdio.h>
|
2021-12-31 04:22:22 +01:00
|
|
|
// #include <arm_math.h>
|
2021-07-02 22:19:04 +02:00
|
|
|
#include "main.h"
|
|
|
|
|
#include "rx.h"
|
|
|
|
|
#include "tx.h"
|
|
|
|
|
|
2021-12-31 04:22:22 +01:00
|
|
|
#define TX_TYPE_NONE 0
|
|
|
|
|
#define TX_TYPE_DAC 1
|
|
|
|
|
#define TX_TYPE_PWM 2
|
|
|
|
|
#define TX_TYPE_SI5351 3
|
|
|
|
|
// #define TX_TYPE TX_TYPE_SI5351
|
|
|
|
|
#define TX_TYPE TX_TYPE_NONE
|
|
|
|
|
|
|
|
|
|
#define IF_TYPE_NOIF 0
|
|
|
|
|
#define IF_TYPE_LOMIX 1
|
|
|
|
|
#define IF_TYPE IF_TYPE_NOIF
|
|
|
|
|
|
|
|
|
|
#define LO_TYPE_FIX 0
|
|
|
|
|
#define LO_TYPE_SI5351 1
|
|
|
|
|
#define LO_TYPE LO_TYPE_SI5351
|
|
|
|
|
|
2021-07-02 22:19:04 +02:00
|
|
|
#define CLOCK (168000000UL)
|
|
|
|
|
|
|
|
|
|
// RX ADC
|
|
|
|
|
#define ADC_CLOCK (700000L) // (168000000/((47,5+12,5)*4)
|
|
|
|
|
#define OVERSAMPLING (2)
|
|
|
|
|
#define ADC_SAMPLE_RATE (ADC_CLOCK/OVERSAMPLING)
|
|
|
|
|
#define ADC_BUFFER_SIZE (1024)
|
|
|
|
|
#define SAMPLES_BUFFER_RATE (ADC_SAMPLE_RATE/ADC_BUFFER_SIZE)
|
|
|
|
|
|
|
|
|
|
// TX DAC
|
|
|
|
|
#define TX_DAC_SAMPLE_RATE (CLOCK/480)
|
|
|
|
|
#define TX_DAC_BUFFER_SIZE (1024)
|
|
|
|
|
#define TX_DAC_BUFFER_RATE (TX_DAC_SAMPLE_RATE/TX_DAC_BUFFER_SIZE)
|
|
|
|
|
|
|
|
|
|
#define MOD_DC 0
|
|
|
|
|
#define MOD_LSB 1
|
|
|
|
|
#define MOD_USB 2
|
|
|
|
|
#define MOD_AM 3
|
|
|
|
|
|
2021-12-31 04:22:22 +01:00
|
|
|
#define STATUS_RX 0
|
|
|
|
|
#define STATUS_TX 1
|
|
|
|
|
#define STATUS_SQ 2
|
|
|
|
|
|
2021-07-02 22:19:04 +02:00
|
|
|
// === DAC ===
|
|
|
|
|
#define DAC_DIVISOR 7680
|
|
|
|
|
#define DAC_SAMPLE_RATE (CLOCK/DAC_DIVISOR)
|
|
|
|
|
|
|
|
|
|
// === UART ===
|
|
|
|
|
#define RX_CMD_RB_SIZE (32)
|
|
|
|
|
#define RX_CMD_RB_SIZE_MASK (RX_CMD_RB_SIZE - 1)
|
|
|
|
|
|
|
|
|
|
#define UART_TX_BUFFER_SIZE (512)
|
|
|
|
|
|
|
|
|
|
// ====== VARS ====================
|
|
|
|
|
|
|
|
|
|
// state
|
|
|
|
|
extern uint8_t receive, transmit;
|
|
|
|
|
extern q31_t nco1_increment;
|
|
|
|
|
extern uint32_t frequency;
|
2021-12-31 04:22:22 +01:00
|
|
|
extern int32_t rit;
|
|
|
|
|
extern uint16_t pwm_tx_period;
|
2021-07-02 22:19:04 +02:00
|
|
|
extern int32_t modulation;
|
|
|
|
|
extern int32_t gain;
|
2021-07-03 18:17:05 +02:00
|
|
|
extern int32_t peak, oldpeak, peakset;
|
2021-07-02 22:19:04 +02:00
|
|
|
extern int32_t volume;
|
|
|
|
|
extern int32_t squelch;
|
|
|
|
|
extern int32_t mic_gain;
|
|
|
|
|
extern int32_t scan;
|
|
|
|
|
extern uint32_t audio_filter_freq, audio_filter_bw, audio_filter_beta;
|
|
|
|
|
extern uint16_t state_changed;
|
2021-12-31 04:22:22 +01:00
|
|
|
extern char tabstring[15];
|
2021-07-02 22:19:04 +02:00
|
|
|
extern CORDIC_HandleTypeDef hcordic;
|
|
|
|
|
|
2021-12-31 04:22:22 +01:00
|
|
|
extern uint8_t s_meter;
|
|
|
|
|
|
2021-07-02 22:19:04 +02:00
|
|
|
// uartz
|
|
|
|
|
extern char uart_rx_buf[2], rx_cmd_rb[RX_CMD_RB_SIZE];
|
|
|
|
|
extern uint8_t rx_cmd_rb_in_idx, rx_cmd_rb_out_idx;
|
|
|
|
|
|
|
|
|
|
// uart tx
|
|
|
|
|
extern char uart_tx_buf[UART_TX_BUFFER_SIZE];
|
|
|
|
|
extern uint16_t uart_tx_buf_in_idx;
|
|
|
|
|
|
|
|
|
|
// rx adc
|
|
|
|
|
extern uint16_t adc_buffer[ADC_BUFFER_SIZE];
|
|
|
|
|
|
|
|
|
|
// tx dac
|
|
|
|
|
extern q31_t tx_dac_buffer[2][TX_DAC_BUFFER_SIZE];
|
|
|
|
|
extern volatile uint8_t half_tx_dac_buffer_empty, tx_dac_buffer_toggle;
|
|
|
|
|
|
|
|
|
|
extern q31_t if_I[LF_BUFFER_SIZE];
|
|
|
|
|
extern q31_t if_Q[LF_BUFFER_SIZE];
|
|
|
|
|
|
|
|
|
|
// RX DAC
|
|
|
|
|
extern uint8_t lf_buffer_toggle;
|
|
|
|
|
extern q31_t prefilter_lf_buffer[LF_BUFFER_SIZE];
|
|
|
|
|
extern q31_t lf_buffer[2][LF_BUFFER_SIZE];
|
2021-12-31 04:22:22 +01:00
|
|
|
// extern q31_t lf_buffer_test[2][LF_BUFFER_SIZE];
|
2021-07-02 22:19:04 +02:00
|
|
|
|
|
|
|
|
// ======== FUNZIONI ========
|
|
|
|
|
|
|
|
|
|
int32_t set_nco1_freq(int32_t freq);
|
|
|
|
|
|
|
|
|
|
void set_filter(void);
|
|
|
|
|
void set_frequency(void);
|
|
|
|
|
void set_modulation(void);
|
|
|
|
|
void set_dummy (void);
|
|
|
|
|
uint8_t get_changed(uint8_t state);
|
|
|
|
|
|
|
|
|
|
// varie
|
|
|
|
|
uint16_t ringbuf_increment(uint8_t *index, uint8_t buff_size_mask);
|
|
|
|
|
q31_t sat_mult_q31(q31_t a, q31_t b);
|
|
|
|
|
|
|
|
|
|
// diag
|
|
|
|
|
void diag(void);
|
2021-12-31 04:22:22 +01:00
|
|
|
|
|
|
|
|
uint32_t get_pwm_freq(uint16_t pwm_period);
|
|
|
|
|
uint16_t get_pwm_period(uint32_t pwm_frequency);
|
|
|
|
|
|
|
|
|
|
uint8_t measure_log_abs_mean(q31_t *samples, uint16_t size);
|
