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wireless: the version reply names the Wi-Fi channel type the car asked for

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Strict head units, Toyota's among them, wait for more than a bare status
before they send the StartRequest.
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Seb3thehacker committed 2026-11-02 16:07:17 -08:00
1 parent aadca6019e
commit dc8544794e
1 file changed
+5 -1
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gearslip/src/main/java/app/seb3thehacker/gearslip/wireless/WirelessLink.kt
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@@ -190,14 +190,18 @@ object WirelessLink {
log.hex(" version", body) log.hex(" version", body)
// Laid out the way a real phone's reply is (aa-proxy-rs and LIVI both // Laid out the way a real phone's reply is (aa-proxy-rs and LIVI both
// parse it from real phones): 1 and 2 the version, echoing the car's; // parse it from real phones): 1 and 2 the version, echoing the car's;
// 3 a serial; 4 the status; 6 the device's ids. // 3 a serial; 4 the status; 5 the Wi-Fi channel type the car asked for;
// 6 the device's ids. Strict head units, such as Toyota's, hold back the
// StartRequest until the reply carries more than the status.
val f = Wire.fields(body) val f = Wire.fields(body)
val serial = deviceId(context) val serial = deviceId(context)
val ids = Protobuf.stringField(1, serial) + Protobuf.stringField(2, UUID.randomUUID().toString()) val ids = Protobuf.stringField(1, serial) + Protobuf.stringField(2, UUID.randomUUID().toString())
val channelType = Wire.varint(f, 3)
val reply = Protobuf.varintField(1, Wire.varint(f, 1) ?: 1) + val reply = Protobuf.varintField(1, Wire.varint(f, 1) ?: 1) +
Protobuf.varintField(2, Wire.varint(f, 2) ?: 0) + Protobuf.varintField(2, Wire.varint(f, 2) ?: 0) +
Protobuf.stringField(3, serial) + Protobuf.stringField(3, serial) +
Protobuf.varintField(4, STATUS_SUCCESS) + Protobuf.varintField(4, STATUS_SUCCESS) +
(channelType?.let { Protobuf.varintField(5, it) } ?: ByteArray(0)) +
Protobuf.varint(((6 shl 3) or 2).toLong()) + Protobuf.varint(ids.size.toLong()) + ids Protobuf.varint(((6 shl 3) or 2).toLong()) + Protobuf.varint(ids.size.toLong()) + ids
send(output, MSG_VERSION_RESPONSE, reply) send(output, MSG_VERSION_RESPONSE, reply)
log.i("-> VersionResponse") log.i("-> VersionResponse")