Hi everybody im trying to read data from arduino and xbee’s, but im stoppend, i cant read a correct data and a while bucle
this is my code
val response = ByteArray(8192)
private val READ_WAIT_MILLIS=2000
button2.setOnClickListener {
setContentView(R.layout.fragment_terminal_layout)
val manager=getSystemService(USB_SERVICE) as UsbManager
tvterminalRawData.append("$manager \n\n\n")
val availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(manager)
tvterminalRawData.append("$availableDrivers \n\n\n")
if (availableDrivers.isEmpty()){
tvterminalRawData.text = "empy"
return@setOnClickListener
}
val driver =availableDrivers[0]
println(driver)
tvterminalRawData.append("$driver \n\n\n")
val connection =manager.openDevice(driver.device) ?: return@setOnClickListener
val port = driver.ports.get(0)
//tvterminalRawData.text = tvterminalRawData.text.toString() + port.toString()
tvterminalRawData.append(port.toString() + "\n\n\n")
port.open(connection)
port.setParameters(9600, 8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE)
val readd=port.read(response, 2000)
//len=port.read(response, READ_WAIT_MILLIS).toString()
tvterminalRawData.append(readd.toString())
tvterminalRawData.append(readd.toString())
tvterminalRawData.append(readd.toString())
tvterminalRawData.append(readd.toString())
tvterminalRawData.append(readd.toString())
tvterminalRawData.append(readd.toString())
//leno = port.write("7E 00 16 10 00 00 13 A2 00 41 7D F5 79 FF FE 00 00 47 00 13 A2 41 7D F5 82 E0",2000).toString()
//tvterminalRawData.append(leno)
}
in this screenshot i show you my data in the textview
i need help with my code block