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BLEComm: Synchronize read and writes better

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This commit is contained in:
jbr7rr 2023-06-20 12:00:04 +02:00
parent 2302711cdf
commit bc8876b6dd
1 changed files with 12 additions and 8 deletions
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20
pump/medtrum/src/main/java/info/nightscout/pump/medtrum/services/BLEComm.kt
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@ -99,6 +99,7 @@ class BLEComm @Inject internal constructor(
private var mWritePackets: WriteCommandPackets? = null
private var mWriteSequenceNumber: Int = 0
private var mReadPacket: ReadDataPacket? = null
private val readLock = Any()
private var mDeviceSN: Long = 0
private var mCallback: BLECommCallback? = null
@ -268,14 +269,16 @@ class BLEComm @Inject internal constructor(
if (characteristic.getUuid() == UUID.fromString(READ_UUID)) {
mCallback?.onNotification(value)
} else if (characteristic.getUuid() == UUID.fromString(WRITE_UUID)) {
if (mReadPacket == null) {
mReadPacket = ReadDataPacket(value)
} else {
mReadPacket?.addData(value)
}
if (mReadPacket?.allDataReceived() == true) {
mReadPacket?.getData()?.let { mCallback?.onIndication(it) }
mReadPacket = null
synchronized(readLock) {
if (mReadPacket == null) {
mReadPacket = ReadDataPacket(value)
} else {
mReadPacket?.addData(value)
}
if (mReadPacket?.allDataReceived() == true) {
mReadPacket?.getData()?.let { mCallback?.onIndication(it) }
mReadPacket = null
}
}
}
}
@ -456,6 +459,7 @@ class BLEComm @Inject internal constructor(
mBluetoothGatt?.writeCharacteristic(characteristic)
}
}, WRITE_DELAY_MILLIS)
SystemClock.sleep(WRITE_DELAY_MILLIS)
}
private val uartWriteBTGattChar: BluetoothGattCharacteristic