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docs(aap): Document SET_BAND_EDGES as RF band gating

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darken
2026-04-24 17:54:53 +02:00
committed by Matthias Urhahn
parent 498f040a57
commit f35fe968c6
2 changed files with 11 additions and 1 deletions
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app/src/main/java/eu/darken/capod/pods/core/apple/aap/engine/AapSessionEngine.kt
+1 -1
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@@ -602,7 +602,7 @@ internal class AapSessionEngine(
AapMessageType.UARP_DATA.value, // 0x004F AapMessageType.UARP_DATA.value, // 0x004F
AapMessageType.UNKNOWN_0X50.value, // 0x0050 AapMessageType.UNKNOWN_0X50.value, // 0x0050
AapMessageType.SOURCE_CONTEXT.value, // 0x0052 AapMessageType.SOURCE_CONTEXT.value, // 0x0052
AapMessageType.SET_BAND_EDGES.value, // 0x0054 (neighbouring opcode; distinct from 0x53 PmeConfig/hearing-aid which CAPod decodes) AapMessageType.SET_BAND_EDGES.value, // 0x0054 RF band gating (push-only; see AapMessageType kdoc)
AapMessageType.UNKNOWN_0X55.value, // 0x0055 AapMessageType.UNKNOWN_0X55.value, // 0x0055
AapMessageType.SLEEP_DETECTION_UPDATE.value, // 0x0057 AapMessageType.SLEEP_DETECTION_UPDATE.value, // 0x0057
AapMessageType.UNKNOWN_0X58.value, // 0x0058 AapMessageType.UNKNOWN_0X58.value, // 0x0058
app/src/main/java/eu/darken/capod/pods/core/apple/aap/protocol/AapMessageType.kt
+10
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@@ -98,6 +98,16 @@ enum class AapMessageType(val value: Int, val wiresharkName: String) {
*/ */
PME_CONFIG(0x0053, "PME Config"), PME_CONFIG(0x0053, "PME Config"),
/**
* Configures the AirPods radio's allowed RF bands. AirPods Pro 2 USB-C
* and newer can transmit on 5 GHz / 6 GHz U-NII bands in addition to
* 2.4 GHz ISM — Apple uses this for the proprietary lossless audio mode
* with Apple Vision Pro. The "type" field is a band code from Apple's
* `BSM_BAND_CODE_*` enum (0x0 = ISM24, 0x1/0x2/0x3 = U-NII-1/3/4,
* 0x4–0x7 = U-NII-5A/B/C/D, 0x8 = INVALID; identified via FCC firmware
* analysis). "Set Band Edges" is the label the Wireshark AAP dissector
* uses for this opcode. CAPod observes but does not decode the payload.
*/
SET_BAND_EDGES(0x0054, "Set Band Edges"), SET_BAND_EDGES(0x0054, "Set Band Edges"),
UNKNOWN_0X55(0x0055, "Unknown"), UNKNOWN_0X55(0x0055, "Unknown"),
USB_SPATIAL_SENSOR_DATA_REQUEST(0x0056, "USB Spatial Sensor Data Request"), USB_SPATIAL_SENSOR_DATA_REQUEST(0x0056, "USB Spatial Sensor Data Request"),