From b999f85d83728bd7034e85f2e038bb9a6454b16a Mon Sep 17 00:00:00 2001
From: Arturs Artamonovs <arturs.artamonovs@protonmail.com>
Date: Sun, 22 Dec 2024 09:45:59 +0000
Subject: BladeRF: seems to receive data

---
 Radio/Utils/BladeRFIQ/main.swift | 106 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 105 insertions(+), 1 deletion(-)

(limited to 'Radio/Utils/BladeRFIQ')

diff --git a/Radio/Utils/BladeRFIQ/main.swift b/Radio/Utils/BladeRFIQ/main.swift
index a4f2ffe..cc748f2 100644
--- a/Radio/Utils/BladeRFIQ/main.swift
+++ b/Radio/Utils/BladeRFIQ/main.swift
@@ -9,6 +9,110 @@ import Foundation
 import ArgumentParser
 import libbladerf
 
-print("Hello, World!")
+//set the command line arguments
+struct CommandLineArgs: ParsableCommand {
+    @Argument var file:String = ""
+    @Option() var serial: UInt64 = 0
+    @Option(name:.shortAndLong) var samplerate: Int = 200000
+    @Option(name:.shortAndLong) var gain: Int = 0
+    @Option(name:.shortAndLong) var frequency: Int = 100000000
+    @Option(name:.shortAndLong) var nsamples: Int = 65536
+    @Flag(help:"Version \(software_version)") var version: Bool = false
+    @Flag(name: .shortAndLong) var verbose: Bool = false
+}
 
+let args = CommandLineArgs.parseOrExit()
 
+if (args.version) {
+    print("AirSpyIQ version \(software_version)")
+    exit(0)
+}
+
+//prepare file descriptor if args specify that
+let currentExePath = Process().currentDirectoryPath
+var fileDescriptor = FileManager.default
+var fileArgUrl:URL?
+var fileHandle:FileHandle?
+if (args.file != "") {
+    fileArgUrl = URL(fileURLWithFileSystemRepresentation: args.file, isDirectory: false, relativeTo: nil)
+    if (checkIfFileExists(args.file)) {
+        //remove file
+        do {
+            try fileDescriptor.removeItem(atPath: fileArgUrl!.path())
+        } catch {
+            print("Couldn't delete file that exists \(fileArgUrl!.path())")
+        }
+    }
+    
+    //create file
+    fileDescriptor.createFile(atPath: fileArgUrl!.path(), contents: nil)
+    try fileHandle = FileHandle(forWritingTo: fileArgUrl!)
+    try fileHandle?.seekToEnd()
+}
+
+var version: bladerf_version = bladerf_version()
+bladerf_version(&version)
+print(version.describe!)
+
+var device: OpaquePointer?
+
+var ret: Int32
+
+ret = bladerf_open(&device,nil)
+print("ret=\(ret)")
+
+var actual_samplerate: UnsafeMutablePointer<bladerf_sample_rate> = .allocate(capacity: 1)
+
+ret = bladerf_set_sample_rate(device, 0, UInt32(args.samplerate), actual_samplerate)
+print("ret=\(ret)")
+
+ret = bladerf_set_frequency(device, 0, UInt64(args.frequency))
+print("ret=\(ret)")
+
+
+let NUM_SAMPLES=8192
+let SYNC_TIMEOUT=500
+ret = bladerf_sync_config(device, bladerf_channel_layout(0), BLADERF_FORMAT_SC16_Q11, 16, UInt32(NUM_SAMPLES), 8, UInt32(SYNC_TIMEOUT))
+print("ret=\(ret)")
+
+ret = bladerf_enable_module(device, 0, true)
+print("ret=\(ret)")
+
+
+
+let buf_ptr = UnsafeMutableRawPointer.allocate(byteCount: NUM_SAMPLES, alignment: 1)
+
+var total_samples:Int32=0
+//var count=100
+var done=false
+while (!done) {
+    ret = bladerf_sync_rx(device, buf_ptr, UInt32(NUM_SAMPLES), nil, UInt32(SYNC_TIMEOUT))
+    if (ret != 0) {
+        print("RX failed: \(ret)")
+        done=true
+    } else {
+        print("Received \(NUM_SAMPLES) bytes")
+        
+        if let file = fileHandle {
+            let convertedData = Data(bytes: buf_ptr, count: NUM_SAMPLES)
+            do {
+                try file.write(contentsOf: convertedData)
+            } catch {
+                print("Cant dump data to file")
+            }
+        }
+        
+        total_samples += Int32(NUM_SAMPLES)
+        if total_samples > args.nsamples {
+            done=true
+        }
+    }
+    //count -= 1
+    print("ret=\(ret)")
+}
+
+ret = bladerf_enable_module(device, 0, false)
+print("bladerf_enable_module ret=\(ret)")
+
+
+bladerf_close(device)
-- 
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