Monitor for IT6800

This commit is contained in:
Alexander Nozik 2018-11-26 13:59:03 +03:00
parent a12ee234f9
commit 8e1dfe19b4

View File

@ -17,19 +17,27 @@
package inr.numass.control.gun
import hep.dataforge.context.Context
import hep.dataforge.context.launch
import hep.dataforge.control.devices.AbstractDevice
import hep.dataforge.control.ports.PortHelper
import hep.dataforge.meta.Meta
import hep.dataforge.nullable
import hep.dataforge.states.valueState
import hep.dataforge.values.ValueType
import kotlinx.coroutines.Job
import kotlinx.coroutines.time.delay
import tornadofx.*
import java.nio.ByteBuffer
import java.nio.ByteOrder
import java.time.Duration
import kotlin.experimental.and
class IT6800Device(context: Context, meta: Meta) : AbstractDevice(context, meta) {
private val portHelper = PortHelper(this)
private var monitorJob: Job? = null
val connected get() = portHelper.connected
val address: Byte = meta.getValue("address", 0).number.toByte()
@ -46,12 +54,17 @@ class IT6800Device(context: Context, meta: Meta) : AbstractDevice(context, meta)
setter = { value -> sendInt(Command.VOLTAGE.code, (value.double * 1000).toInt()) }
)
val voltage by voltageState.doubleDelegate
val currentState = valueState("current",
setter = { value -> sendShort(Command.CURRENT.code, (value.double * 1000).toInt().toShort()) }
)
val current by currentState.doubleDelegate
fun connect() {
connected.set(true)
remoteState.set(true)
portHelper.connection.onAnyPhrase(this) {
val buffer = ByteBuffer.wrap(it.toByteArray(Charsets.US_ASCII))
buffer.order(ByteOrder.LITTLE_ENDIAN)
@ -92,6 +105,11 @@ class IT6800Device(context: Context, meta: Meta) : AbstractDevice(context, meta)
}
}
override fun init() {
super.init()
connect()
}
private fun request(command: Byte, data: ByteBuffer): String {
if (data.limit() != 21) error("Wrong size of data array")
val buffer = ByteBuffer.allocate(26)
@ -127,9 +145,41 @@ class IT6800Device(context: Context, meta: Meta) : AbstractDevice(context, meta)
override fun shutdown() {
portHelper.shutdown()
stopMonitor()
super.shutdown()
}
/**
* send update request
*/
fun update() {
portHelper.send(request(Command.READ.code, ByteBuffer.allocate(21)))
}
/**
* Start regular state check
*/
fun startMonitor() {
val interval: Duration = meta.optValue("monitor.interval").nullable?.let {
if (it.type == ValueType.STRING) {
Duration.parse(it.string)
} else {
Duration.ofMillis(it.long)
}
} ?: Duration.ofMinutes(1)
monitorJob = launch {
while (true) {
update()
delay(interval)
}
}
}
fun stopMonitor() {
monitorJob?.cancel()
}
enum class Command(val code: Byte) {
REMOTE(0x20),
OUTPUT(0x21),