From abbe14bebb2935b017b980e6fc2bfc5e94052049 Mon Sep 17 00:00:00 2001
From: Arturs Artamonovs <arturs.artamonovs@protonmail.com>
Date: Wed, 4 Dec 2024 11:07:17 +0000
Subject: AirSpyHFIQ: read samples from airspyhf and dump those to fc32 file

---
 Radio/HW/AirSpyHF/src/airspyhf.c | 11 +++----
 Radio/HW/AirSpyHF/src/airspyhf.h | 66 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+), 7 deletions(-)

(limited to 'Radio/HW/AirSpyHF/src')

diff --git a/Radio/HW/AirSpyHF/src/airspyhf.c b/Radio/HW/AirSpyHF/src/airspyhf.c
index efacd03..c5ca337 100644
--- a/Radio/HW/AirSpyHF/src/airspyhf.c
+++ b/Radio/HW/AirSpyHF/src/airspyhf.c
@@ -28,6 +28,7 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSI
 #define _CRT_SECURE_NO_WARNINGS
 #endif
 
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -55,9 +56,9 @@ typedef int bool;
 #define SAMPLES_TO_TRANSFER (1024 * 2)
 #define SERIAL_NUMBER_UNUSED (0)
 #define FILE_DESCRIPTOR_UNUSED (-1)
-#define RAW_BUFFER_COUNT (8)
 #define AIRSPYHF_SERIAL_SIZE (28)
 
+
 #define MAX_SAMPLERATE_INDEX (100)
 #define DEFAULT_SAMPLERATE (768000)
 
@@ -81,15 +82,10 @@ static const char str_prefix_serial_airspyhf[STR_PREFIX_SERIAL_AIRSPYHF_SIZE] =
 
 #define IQ_BALANCER_EVAL_SKIP (RAW_BUFFER_COUNT)
 
-#pragma pack(push,1)
 
-typedef struct {
-	int16_t im;
-	int16_t re;
-} airspyhf_complex_int16_t;
 
-#pragma pack(pop)
 
+/*
 typedef struct airspyhf_device
 {
 	libusb_context* usb_context;
@@ -136,6 +132,7 @@ typedef struct airspyhf_device
 	airspyhf_complex_float_t *output_buffer;
 	void* ctx;
 } airspyhf_device_t;
+*/
 
 typedef struct flash_config
 {
diff --git a/Radio/HW/AirSpyHF/src/airspyhf.h b/Radio/HW/AirSpyHF/src/airspyhf.h
index 2879120..d58a84a 100644
--- a/Radio/HW/AirSpyHF/src/airspyhf.h
+++ b/Radio/HW/AirSpyHF/src/airspyhf.h
@@ -26,7 +26,14 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSI
 #ifndef __AIRSPYHF_H__
 #define __AIRSPYHF_H__
 
+#include <stdbool.h>
 #include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "libusb.h"
+#include <pthread.h>
+#include <math.h>
 
 #define AIRSPYHF_VERSION "1.8.0"
 #define AIRSPYHF_VER_MAJOR 1
@@ -61,6 +68,8 @@ extern "C"
 {
 #endif
 
+#define RAW_BUFFER_COUNT (8)
+
 enum airspyhf_error
 {
 	AIRSPYHF_SUCCESS = 0,
@@ -86,6 +95,13 @@ enum airspyhf_board_id
 	AIRSPYHF_BOARD_ID_INVALID = 0xFF,
 };
 
+#pragma pack(push,1)
+typedef struct {
+    int16_t im;
+    int16_t re;
+} airspyhf_complex_int16_t;
+#pragma pack(pop)
+
 typedef struct airspyhf_device airspyhf_device_t;
 
 typedef struct {
@@ -96,6 +112,7 @@ typedef struct {
 	uint64_t dropped_samples;
 } airspyhf_transfer_t;
 
+
 typedef struct {
 	uint32_t major_version;
 	uint32_t minor_version;
@@ -107,6 +124,55 @@ typedef struct {
 
 typedef int (*airspyhf_sample_block_cb_fn) (airspyhf_transfer_t* transfer_fn);
 
+
+
+typedef struct airspyhf_device
+{
+    libusb_context* usb_context;
+    libusb_device_handle* usb_device;
+    struct libusb_transfer** transfers;
+    airspyhf_sample_block_cb_fn callback;
+    pthread_t transfer_thread;
+    pthread_t consumer_thread;
+    bool transfer_thread_running;
+    bool consumer_thread_running;
+    pthread_cond_t consumer_cv;
+    pthread_mutex_t consumer_mp;
+    uint32_t supported_samplerate_count;
+    uint32_t *supported_samplerates;
+    uint8_t *samplerate_architectures;
+    uint32_t supported_att_step_count;
+    float *supported_att_steps;
+    volatile uint32_t current_samplerate;
+    volatile double freq_hz;
+    volatile uint32_t freq_khz;
+    volatile double freq_delta_hz;
+    volatile double freq_shift;
+    volatile int32_t calibration_ppb;
+    volatile int32_t calibration_vctcxo;
+    volatile uint32_t frontend_options;
+    volatile float optimal_point;
+    uint8_t enable_dsp;
+    uint8_t is_low_if;
+    float filter_gain;
+    airspyhf_complex_float_t vec;
+    struct iq_balancer_t *iq_balancer;
+    volatile int32_t iq_balancer_eval_skip;
+    uint32_t transfer_count;
+    int32_t transfer_live;
+    uint32_t buffer_size;
+    uint32_t dropped_buffers;
+    uint32_t dropped_buffers_queue[RAW_BUFFER_COUNT];
+    airspyhf_complex_int16_t *received_samples_queue[RAW_BUFFER_COUNT];
+    volatile bool streaming;
+    volatile bool stop_requested;
+    volatile int received_samples_queue_head;
+    volatile int received_samples_queue_tail;
+    volatile int received_buffer_count;
+    airspyhf_complex_float_t *output_buffer;
+    void* ctx;
+} airspyhf_device_t;
+
 extern ADDAPI void ADDCALL airspyhf_lib_version(airspyhf_lib_version_t* lib_version);
 extern ADDAPI int ADDCALL airspyhf_list_devices(uint64_t *serials, int count);
 extern ADDAPI int ADDCALL airspyhf_open(airspyhf_device_t** device);
-- 
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