From e4a60acd92e64ad662687c1f54f0aed631991c62 Mon Sep 17 00:00:00 2001
From: Rustam Ismayilov <rustam.ismayilov@arm.com>
Date: Tue, 20 Aug 2024 12:21:22 +0200
Subject: [PATCH] Find headset automatically

Find headset algorithmically instead of using hardcoded value
Print more details in main activity
---
 .../java/com/rlabs/dakc/DakcTileService.kt    | 10 ++++--
 .../main/java/com/rlabs/dakc/MainActivity.kt  | 36 ++++++++++---------
 2 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/app/src/main/java/com/rlabs/dakc/DakcTileService.kt b/app/src/main/java/com/rlabs/dakc/DakcTileService.kt
index bbb3746..7a2a24d 100644
--- a/app/src/main/java/com/rlabs/dakc/DakcTileService.kt
+++ b/app/src/main/java/com/rlabs/dakc/DakcTileService.kt
@@ -12,8 +12,14 @@ class DakcTileService : TileService() {
     // Called when the user taps on your tile in an active or inactive state.
     override fun onClick() {
         super.onClick()
-        Log.d("QS", "Tile tapped")
-        runAsRoot(arrayOf("tinymix -D 2 3 120"))
+        Log.d("Dakc", "Tile tapped")
+        var n = 0
+        var mixerName = ""
+        while (!mixerName.contains("USB-C to 3.5mm") && n < 10) {
+            mixerName = runAsRoot(arrayOf("tinymix -D $n | head")).first.toString().split("\n")[0]
+            n++
+        }
+        runAsRoot(arrayOf("tinymix -D ${n - 1} 3 120"))
     }
 
 }
diff --git a/app/src/main/java/com/rlabs/dakc/MainActivity.kt b/app/src/main/java/com/rlabs/dakc/MainActivity.kt
index 556989b..9055937 100644
--- a/app/src/main/java/com/rlabs/dakc/MainActivity.kt
+++ b/app/src/main/java/com/rlabs/dakc/MainActivity.kt
@@ -11,43 +11,45 @@ class MainActivity : ComponentActivity() {
     lateinit var dev1: TextView
     lateinit var dev2: TextView
     lateinit var dev3: TextView
-    lateinit var button1: Button
+    lateinit var refreshButton: Button
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
         setContentView(R.layout.activity_main)
-        dev1 = findViewById(R.id.dev1)
-        dev1.text = TinymixOut(device = "1")
 
+        dev1 = findViewById(R.id.dev1)
         dev2 = findViewById(R.id.dev2)
-        dev2.text = TinymixOut(device = "2")
-
         dev3 = findViewById(R.id.dev3)
-        dev3.text = TinymixOut(device = "2", 7)
-
 
-        button1 = findViewById(R.id.button1)
-        button1.setOnClickListener {
-            dev1.text = TinymixOut(device = "1")
-            dev2.text = TinymixOut(device = "2")
-            dev3.text = TinymixOut(device = "2", 7)
+        fun readFields() {
+            dev1.text = tinymixOut(device = "0")
+            dev2.text = tinymixOut(device = "1")
+            dev3.text = tinymixOut(device = "2")
         }
+        readFields()
 
-    }
+        refreshButton = findViewById(R.id.button1)
+        refreshButton.setOnClickListener { readFields() }
 
+    }
 
 }
 
-fun TinymixOut(device: String, lineNum: Int = 0): String {
-    val outPair = runAsRoot(arrayOf("tinymix -D $device"))
+fun tinymixOut(device: String, lineNum: Int = 0): String {
+    val outPair = runAsRoot(arrayOf("tinymix -D $device | head -20"))
 
     val out = outPair.first.toString()
     val errout = outPair.second.toString()
 
-    val firstLine = if (errout.isNotEmpty()) errout.split("\n")[0] else out.split("\n")[lineNum]
+    val outArr = out.split("\n")
+
+    val firstLine = if (errout.isNotEmpty()) errout.split("\n")[0] else outArr[lineNum]
+    val iVolLine = outArr.indexOfFirst { s -> s.contains("Headset Playback Volume") }
+
+    val volInfo = if (errout.isEmpty() && iVolLine != -1) outArr[iVolLine] else ""
 
     Log.d("tinymix", out)
 
-    return "tinymix -D $device out: \n$firstLine"
+    return "tinymix -D $device out: \n$firstLine \n$volInfo"
 
 }
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