From 5aa1435739fa1cd150dd8cd8fb2fee5473d5ed3f Mon Sep 17 00:00:00 2001
From: Arturs Artamonovs <arturs.artamonovs@protonmail.com>
Date: Thu, 20 Mar 2025 11:55:33 +0000
Subject: gensin: generate sinusoid in u8,s8,u16,s16 formats

---
 Radio/Utils/GenSin/main.swift | 142 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 Radio/Utils/GenSin/main.swift

(limited to 'Radio/Utils/GenSin')

diff --git a/Radio/Utils/GenSin/main.swift b/Radio/Utils/GenSin/main.swift
new file mode 100644
index 0000000..b247dc2
--- /dev/null
+++ b/Radio/Utils/GenSin/main.swift
@@ -0,0 +1,142 @@
+//
+//  main.swift
+//  GenSin
+//
+//  Created by Jacky Jack on 21/02/2025.
+//
+
+import Foundation
+import ArgumentParser
+
+/*
+Takes as input
+*/
+
+
+enum OutputFormat {
+    case FMT_NONE
+    case FMT_U8
+    case FMT_S8
+    case FMT_U16
+    case FMT_S16
+    case FMT_SC16Q11
+    case FMT_F32
+    case FMT_WAV_INT16
+    case FMT_WAV_F32
+}
+
+print("gen sin")
+
+//set the command line arguments
+struct CommandLineArgs: ParsableCommand {
+    @Argument var outputFile:String = ""
+    @Flag(help:"Version \(software_version)") var version: Bool = false
+    @Flag(name: .shortAndLong) var verbose: Bool = false
+    @Option(name:.shortAndLong) var samplerate: Int = 1000
+    @Option(name:.shortAndLong) var amplitude: Float = 1.0
+    @Option(name:.shortAndLong) var freq: Int = 10
+    @Option(name:.shortAndLong) var num: Int = 100000
+    //@Option(name:.shortAndLong) var type: String = "sine"
+    @Flag(name: .shortAndLong) var listFormats: Bool = false
+}
+
+let args = CommandLineArgs.parseOrExit()
+
+if args.listFormats {
+    print("Supported output:")
+    print(" s8,u8:   [DONE]")
+    print(" s16,u16: not")
+    print(" s16q11:  not")
+    print(" f32:     not ")
+    print(" wav i16, fc32: not")
+}
+
+//outputfile Format
+var outputFormat = OutputFormat.FMT_NONE
+if let dotIndex = args.outputFile.lastIndex(of: ".") {
+    let index = args.outputFile.index(dotIndex, offsetBy: 1)
+    let fileExtension = String(args.outputFile[index..<args.outputFile.endIndex])
+    print("\(args.outputFile) extension \(fileExtension)")
+    let supportedExtensionList = ["s8","u8","s16","u16"]
+    if supportedExtensionList.contains(fileExtension) {
+        if ["s8"].contains(fileExtension) {
+            outputFormat = OutputFormat.FMT_S8
+        } else if ["u8"].contains(fileExtension) {
+            outputFormat = OutputFormat.FMT_U8
+        } else if ["s16"].contains(fileExtension) {
+            outputFormat = OutputFormat.FMT_S16
+        } else if ["u16"].contains(fileExtension) {
+            outputFormat = OutputFormat.FMT_U16
+        }// else if ["wav"].contains(fileExtension) {
+        //    outputFormat = OutputFormat.FMT_WAV_F32
+        //}
+        else {
+            print("Unknown output format")
+        }
+    }
+}
+
+var outdata_s8:[Int8] = []
+var outdata_u8:[UInt8] = []
+var outdata_s16:[Int16] = []
+var outdata_u16:[UInt16] = []
+var outdata_f32:[Float32] = []
+
+//generate signal
+outdata_f32 = genSin(args.samplerate, args.freq, args.amplitude, 0.0, args.num)
+if outputFormat == OutputFormat.FMT_S8 {
+    outdata_s8 = cnvFloat32ToInt8(outdata_f32)
+} else if outputFormat == OutputFormat.FMT_U8 {
+    outdata_u8 = cnvFloat32ToUInt8(outdata_f32)
+} else if outputFormat == OutputFormat.FMT_S16 {
+    outdata_s16 = cnvFloat32ToInt16(outdata_f32)
+} else if outputFormat == OutputFormat.FMT_U16 {
+    outdata_u16 = cnvFloat32ToUInt16(outdata_f32)
+} else {
+    print("Unimplemented output format converter")
+}
+
+
+
+// write to file
+let fileWrite = FileWriter()
+var file_ok = false
+if (checkIfFileExists(args.outputFile)) {
+        do {
+            print("try to delet file for write")
+            try fileWrite.deleteForWrite(filename: args.outputFile)
+        } catch {
+            print("cant delete file \(error)")
+            exit(1)
+        }
+} else {
+    do {
+        print("try to creating file")
+        try fileWrite.createForWrite(filename: args.outputFile)
+    } catch {
+        print("cant create file \(error)")
+        exit(1)
+    }
+}
+
+do {
+    if outputFormat == OutputFormat.FMT_S8 {
+        try fileWrite.writeAll(outdata_s8)
+    } else if outputFormat == OutputFormat.FMT_U8 {
+        try fileWrite.writeAll(outdata_u8)
+    } else if outputFormat == OutputFormat.FMT_S16 {
+        try fileWrite.writeAll(outdata_s16)
+    } else if outputFormat == OutputFormat.FMT_U16 {
+        try fileWrite.writeAll(outdata_u16)
+    } else {
+        print("Not supported write type")
+    }
+} catch {
+    print("Cant write to file \(error)")
+    exit(1)
+}
+
+fileWrite.close()
+
+
+
-- 
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