Implemented all seven packet types.

app/src/main/java/club/clubk/ktag/bletool/ByteCellData.kt

@@ -1,7 +1,10 @@
 package club.clubk.ktag.bletool
 
+import androidx.compose.ui.graphics.Color
+
 data class ByteCellData(
     val value: Byte,
     val isHeader: Boolean,
-    val description: String
+    val description: String,
+    val backgroundColor: Color? = null
 )

app/src/main/java/club/clubk/ktag/bletool/MainActivity.kt

@@ -15,12 +15,15 @@ import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
@@ -49,12 +52,8 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
-import androidx.core.app.ActivityCompat
-import androidx.core.content.ContextCompat
-import androidx.compose.foundation.border
-import androidx.compose.foundation.layout.*
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.sp
+import androidx.core.content.ContextCompat
 
 private const val TAG = "BLE Tool"
 
@@ -95,7 +94,7 @@ val advertisementPresets = listOf(
             0x00.toByte(),
             0x00.toByte(), // Event Data
         ),
-        "KTag Instigate Game Packet"
+        "KTag Event Packet"
     ),
     AdvertisementPreset(
         "03 Tag",
@@ -146,10 +145,64 @@ val advertisementPresets = listOf(
         ),
         "KTag Status Packet"
     ),
+    AdvertisementPreset(
+        "06 Configuration",
+        byteArrayOf(
+            0x06.toByte(), // Packet Type: Configuration
+            0x00.toByte(), // Event Number
+            0xFF.toByte(),
+            0xFF.toByte(),
+            0xFF.toByte(),
+            0xFF.toByte(),
+            0xFF.toByte(),
+            0xFF.toByte(), // Target Bluetooth Device Address
+            0x02.toByte(), // Subtype: Request Parameter Change
+            0x01.toByte(),
+            0x00.toByte(), // Key 1: Team ID
+            0x02.toByte(),
+            0x00.toByte(),
+            0x00.toByte(),
+            0x00.toByte(), // Value 1: 2
+            0xFF.toByte(),
+            0xFF.toByte(), // Key 2: Unused
+            0x00.toByte(),
+            0x00.toByte(),
+            0x00.toByte(),
+            0x00.toByte(), // Value 2: Unused
+        ),
+        "KTag Configuration Packet"
+    ),
+    AdvertisementPreset(
+        "07 Hello",
+        byteArrayOf(
+            0x07.toByte(),  // Packet Type: Hello
+            0x00.toByte(),  // Event Number
+            0x01.toByte(),  // SystemK Major Version
+            0x00.toByte(),  // SystemK Minor Version
+            0x02.toByte(),  //
+            0x00.toByte(),  // Device Type: Mobile App
+            0x02.toByte(),  // Team ID
+            0x4B.toByte(),  // 'K'
+            0x54.toByte(),  // 'T'
+            0x61.toByte(),  // 'a'
+            0x67.toByte(),  // 'g'
+            0x20.toByte(),  // ' '
+            0x42.toByte(),  // 'B'
+            0x4C.toByte(),  // 'L'
+            0x45.toByte(),  // 'E'
+            0x20.toByte(),  // ' '
+            0x54.toByte(),  // 'T'
+            0x6F.toByte(),  // 'o'
+            0x6F.toByte(),  // 'o'
+            0x6C.toByte(),  // 'l'
+            0x00.toByte(),  // Device Name: "KTag BLE Tool"
+        ),
+        "KTag Hello Packet"
+    ),
     AdvertisementPreset(
         "Empty",
         ByteArray(23) { 0 },
-        "All zeros - clear current data"
+        "All zeros (clear current data)"
     )
 )
 
@@ -326,71 +379,13 @@ fun BleAdvertiserScreen() {
 
         // Create list of byte cells with their properties
         val byteCells = remember(advertisementData) {
+            val packetType = advertisementData[8]
             advertisementData.mapIndexed { index, byte ->
                 ByteCellData(
-                    value = byte, isHeader = index < N_HEADER_BYTES, description = when (index) {
+                    value = byte,
-                        0 -> "Length" // Always "Length"
+                    isHeader = index < N_HEADER_BYTES,
-                        1 -> "Type" // Always "Type"
+                    description = PacketFieldUtils.getFieldDescription(packetType, index),
-                        2 -> "Mfg ID" // Always "Mfg ID"
+                    backgroundColor = PacketFieldUtils.getFieldColor(packetType, index)
-                        3 -> "Mfg ID" // Always "Mfg ID"
-                        4 -> "'K'" // Always "'K'"
-                        5 -> "'T'" // Always "'T'"
-                        6 -> "'a'" // Always "'a'"
-                        7 -> "'g'" // Always "'g'"
-                        9 -> "Event Number"
-                        else -> {
-                            when (advertisementData[8]) {
-                                0x01.toByte() -> when(index){
-                                    8 -> "Instigate Game" // Packet Type 01
-                                    else -> ""
-                                }
-                                0x02.toByte() -> when(index){
-                                    8 -> "Event" // Packet Type 02
-                                    else -> ""
-                                }
-                                0x03.toByte() -> when(index){
-                                    8 -> "Tag" // Packet Type 03
-                                    10 -> "Tx Pwr (dBm)"
-                                    11 -> "Protocol"
-                                    12 -> "Team ID"
-                                    13 -> "Player ID"
-                                    14 -> "Damage"
-                                    15 -> "Damage"
-                                    16 -> "Color"
-                                    17 -> "Color"
-                                    18 -> "Color"
-                                    19 -> "Color"
-                                    20 -> "Target Address"
-                                    21 -> "Target Address"
-                                    22 -> "Target Address"
-                                    23 -> "Target Address"
-                                    24 -> "Target Address"
-                                    25 -> "Target Address"
-                                    else -> ""
-                                }
-                                0x04.toByte() -> when(index){
-                                    8 -> "Console" // Packet Type 04
-                                    else -> ""
-                                }
-                                0x05.toByte() -> when(index){
-                                    8 -> "Status" // Packet Type 05
-                                    else -> ""
-                                }
-                                0x06.toByte() -> when(index){
-                                    8 -> "Configuration" // Packet Type 06
-                                    else -> ""
-                                }
-                                0x07.toByte() -> when(index){
-                                    8 -> "Hello" // Packet Type 07
-                                    else -> ""
-                                }
-                                else -> when(index){
-                                    8 -> "Packet Type"
-                                    else -> ""
-                                }
-                            }
-                        }
-                    }
                 )
             }
         }
@@ -556,6 +551,7 @@ fun ByteCell(
     val backgroundColor = when {
         data.isHeader -> MaterialTheme.colorScheme.secondaryContainer
         isSelected -> MaterialTheme.colorScheme.primary
+        data.backgroundColor != null -> data.backgroundColor
         else -> MaterialTheme.colorScheme.primaryContainer
     }
 

app/src/main/java/club/clubk/ktag/bletool/PacketFieldUtils.kt

@@ -0,0 +1,170 @@
+package club.clubk.ktag.bletool
+
+import androidx.compose.ui.graphics.Color
+
+object PacketFieldUtils {
+    fun getFieldDescription(packetType: Byte, index: Int): String {
+        return when (index) {
+            0 -> "Length" // Always "Length"
+            1 -> "Type" // Always "Type"
+            2 -> "Mfg ID" // Always "Mfg ID"
+            3 -> "Mfg ID" // Always "Mfg ID"
+            4 -> "'K'" // Always "'K'"
+            5 -> "'T'" // Always "'T'"
+            6 -> "'a'" // Always "'a'"
+            7 -> "'g'" // Always "'g'"
+            8 -> when (packetType) {
+                0x01.toByte() -> "Instigate Game"
+                0x02.toByte() -> "Event"
+                0x03.toByte() -> "Tag"
+                0x04.toByte() -> "Console"
+                0x05.toByte() -> "Status"
+                0x06.toByte() -> "Configuration"
+                0x07.toByte() -> "Hello"
+                else -> "Packet Type"
+            }
+
+            9 -> "Event Number"
+            else -> when (packetType) {
+                0x01.toByte() -> when (index) { // Instigate Game packet fields
+                    in 10..13 -> "Game Length (ms)"
+                    in 14..17 -> "Time till Countdown (ms)"
+                    else -> ""
+                }
+
+                0x02.toByte() -> when (index) { // Event packet fields
+                    in 10..15 -> "Target Address"
+                    in 16..19 -> "Event ID"
+                    in 20..23 -> "Event Data"
+                    else -> ""
+                }
+
+                0x03.toByte() -> when (index) { // Tag packet fields
+                    10 -> "Tx Pwr (dBm)"
+                    11 -> "Protocol"
+                    12 -> "Team ID"
+                    13 -> "Player ID"
+                    14, 15 -> "Damage"
+                    in 16..19 -> "Color"
+                    in 20..25 -> "Target Address"
+                    else -> ""
+                }
+
+                0x04.toByte() -> when (index) { // Console packet fields
+                    in 10..30 -> "Console String"
+                    else -> ""
+                }
+
+                0x05.toByte() -> when (index) { // Status packet fields
+                    10 -> "Tx Pwr (dBm)"
+                    11 -> "Protocol"
+                    12 -> "Team ID"
+                    13 -> "Player ID"
+                    14, 15 -> "Health"
+                    16, 17 -> "Max Health"
+                    in 18..21 -> "Primary Color"
+                    in 22..25 -> "Secondary Color"
+                    26 -> "SystemK State"
+                    else -> ""
+                }
+
+                0x06.toByte() -> when (index) { // Configuration packet fields
+                    in 10..15 -> "Target Address"
+                    16 -> "Subtype"
+                    17, 18 -> "Key 1"
+                    in 19..22 -> "Value 1"
+                    23, 24 -> "Key 2"
+                    in 25..28 -> "Value 2"
+                    else -> ""
+                }
+
+                0x07.toByte() -> when (index) { // Hello packet fields
+                    10 -> "SystemK Major Version"
+                    11 -> "SystemK Minor Version"
+                    12, 13 -> "Device Type"
+                    14 -> "Team ID"
+                    in 15..30 -> "Device Name"
+                    else -> ""
+                }
+
+                else -> ""
+            }
+        }
+    }
+
+    fun getFieldColor(packetType: Byte, index: Int): Color? {
+        // Header bytes always return null to use default header color
+        if (index < 8) return null
+
+        // Packet type byte is always a distinct color
+        if (index == 8) return Color(0xFFE6F3FF) // Light blue
+
+        // Event number is always the same color across all packet types
+        if (index == 9) return Color(0xFFE6FFE6) // Light green
+
+        return when (packetType) {
+            0x01.toByte() -> when (index) { // Instigate Game packet
+                in 10..13 -> Color(0xFFFFF3E6) // Game Length - Light orange
+                in 14..17 -> Color(0xFFE6FFF3) // Time until Countdown - Light cyan
+                else -> Color(0xFFF5F5F5) // Light gray for undefined fields
+            }
+
+            0x02.toByte() -> when (index) { // Event packet
+                in 10..15 -> Color(0xFFE6F3FF) // Target Address - Light blue
+                in 16..19 -> Color(0xFFF3E6FF) // Event ID - Light purple
+                in 20..23 -> Color(0xFFE6FFE6) // Event Data - Light green
+                else -> Color(0xFFF5F5F5) // Light gray for undefined fields
+            }
+
+            0x03.toByte() -> when (index) { // Tag packet
+                10 -> Color(0xFFFFF3E6) // Tx Power - Light orange
+                11 -> Color(0xFFE6FFF3) // Protocol - Light cyan
+                12 -> Color(0xFFFFE6F3) // Team ID - Light pink
+                13 -> Color(0xFFF3E6FF) // Player ID - Light purple
+                in 14..15 -> Color(0xFFFFE6E6) // Damage - Light red
+                in 16..19 -> Color(0xFFE6FFE6) // Color - Light green
+                in 20..25 -> Color(0xFFE6F3FF) // Target Address - Light blue
+                else -> Color(0xFFF5F5F5) // Light gray for undefined fields
+            }
+
+            0x04.toByte() -> when (index) { // Console packet
+                in 10..30 -> Color(0xFFFFF3E6) // Console String - Light orange
+                else -> Color(0xFFF5F5F5) // Light gray for undefined fields
+            }
+
+            0x05.toByte() -> when (index) { // Status packet
+                10 -> Color(0xFFFFF3E6) // Tx Power - Light orange
+                11 -> Color(0xFFE6FFF3) // Protocol - Light cyan
+                12 -> Color(0xFFFFE6F3) // Team ID - Light pink
+                13 -> Color(0xFFF3E6FF) // Player ID - Light purple
+                14, 15 -> Color(0xFFFFE6E6) // Health - Light red
+                16, 17 -> Color(0xFFE6FFE6) // Maximum Health - Light green
+                in 18..21 -> Color(0xFFE6F3FF) // Primary Color - Light blue
+                in 22..25 -> Color(0xFFF3E6FF) // Secondary Color - Light purple
+                26 -> Color(0xFFFFF3E6) // SystemK State - Light orange
+                else -> Color(0xFFF5F5F5) // Light gray for undefined fields
+            }
+
+            0x06.toByte() -> when (index) { // Configuration packet
+                in 10..15 -> Color(0xFFE6F3FF) // Target Address - Light blue
+                16 -> Color(0xFFFFF3E6) // Subtype - Light orange
+                17, 18 -> Color(0xFFF3E6FF) // Key 1 - Light purple
+                in 19..22 -> Color(0xFFE6FFE6) // Value 1 - Light green
+                23, 24 -> Color(0xFFF3E6FF) // Key 2 - Light purple
+                in 25..28 -> Color(0xFFE6FFE6) // Value 2 - Light green
+                else -> Color(0xFFF5F5F5) // Light gray for undefined fields
+            }
+
+            0x07.toByte() -> when (index) { // Hello packet
+                10 -> Color(0xFFFFF3E6) // SystemK Major Version - Light orange
+                11 -> Color(0xFFE6FFF3) // SystemK Minor Version - Light cyan
+                12, 13 -> Color(0xFFE6F3FF) // Device Type - Light blue
+                14 -> Color(0xFFFFE6F3) // Team ID - Light pink
+                in 15..30 -> Color(0xFFF3E6FF) // Device Name - Light purple
+                else -> Color(0xFFF5F5F5) // Light gray for undefined fields
+            }
+
+            else -> Color(0xFFF5F5F5) // Light gray for unknown packet types
+        }
+    }
+}