Xperix Biomini Slim 2 ⇐ Android

[Anonymous]

У меня есть сканер отпечатков пальцев USB-C (OTG) от Xperix, но я не могу найти SDK для него. Я разрабатываю приложение для Android, и я могу обнаружить USB -устройство, но я не уверен, как запустить сканирование, используя сканер отпечатков пальцев. Данные ... ". < /p>
private fun setupUsbDevice(view: View) {
val usbDevices = usbManager.deviceList
val textView2 = view.findViewById(R.id.fingerprint_reader_wsq_base64_value_textview)

// Check if the USB devices list is empty
if (usbDevices.isEmpty()) {
Log.e("Fingerprint", "No USB devices found!")
textView2.text = "No USB devices found!"
return
}

// Variable to store information about found devices
val s = StringBuilder()

// Iterate over USB devices
usbDevices.forEach { (key, value) ->
s.append("Found USB device: ${value.deviceName}\n")

// If the device matches the given path (here /dev/bus/usb/002/002), open it
if (value.deviceName == "/dev/bus/usb/002/002") { // Check the exact device path
Log.d("Fingerprint", "Found device at path: ${value.deviceName}")
textView2.text = "Found device: ${value.deviceName}"

// Try to open a connection to the device
usbDevice = value
val permissionIntent = PendingIntent.getBroadcast(
context,
0,
Intent(UsbManager.ACTION_USB_DEVICE_ATTACHED),
PendingIntent.FLAG_IMMUTABLE // Depending on your API version
)
usbManager.requestPermission(value, permissionIntent)
Thread.sleep(10000)
usbConnection = usbManager.openDevice(value)

if (usbConnection == null) {
Log.e("Fingerprint", "Failed to open connection to device: ${value.deviceName}")
textView2.text = "Failed to open connection!"

// Check if the device requires special permissions
if (!usbManager.hasPermission(value)) {
Log.e("Fingerprint", "No permission for device: ${value.deviceName}")
textView2.text = "No permission for device!"
} else {
Log.e("Fingerprint", "Unknown error while opening connection to device: ${value.deviceName}")
textView2.text = "Unknown error while opening connection to device: ${value.deviceName}"
}

return
}

// Get the device interface (the first interface)
usbInterface = value.getInterface(0)
usbConnection?.claimInterface(usbInterface, true)
Log.d("Fingerprint", "Interface claimed: ${value.deviceName}")
textView2.text = "Interface claimed"

// Search for device endpoints
for (i in 0 until usbInterface!!.endpointCount) {
val endpoint = usbInterface!!.getEndpoint(i)
Log.d("Fingerprint", "Endpoint #$i, type=${endpoint.type}, direction=${endpoint.direction}")

// Check if the endpoint is of type BULK and if it is an IN endpoint
if (endpoint.type == UsbConstants.USB_ENDPOINT_XFER_BULK) {
if (endpoint.direction == UsbConstants.USB_DIR_IN) {
endpointIn = endpoint
Log.d("Fingerprint", "Found BULK IN endpoint")
textView2.text = "Found BULK IN endpoint"
startReadingFingerprint(view) // Start reading from this endpoint
}
}
}
}
}

// If the device was not found
if (usbDevice == null) {
Log.e("Fingerprint", "No device found with the required path!")
textView2.text = "No device found with the required path!"
}
}

private fun startReadingFingerprint(view: View) {
Log.d("Fingerprint", "startReadingFingerprint: Starting")
val textView = view.findViewById(R.id.fingerprint_reader_wsq_base64_value_textview)
textView.text = "setupUsbDevice: startReadingFingerprint: Starting"
writeLogToFile("startReadingFingerprint: Starting")

Thread {
while (usbDevice != null) {
val buffer = ByteArray(64)
Log.d("Fingerprint", "startReadingFingerprint: Waiting for data...")
textView.text = "setupUsbDevice: startReadingFingerprint: Waiting for data..."
writeLogToFile("startReadingFingerprint: Waiting for data...")

val result = usbConnection?.bulkTransfer(endpointIn, buffer, buffer.size, 5000)

if (result != null && result > 0) {
Log.d("Fingerprint", "startReadingFingerprint: Received $result bytes")
textView.text = "setupUsbDevice: startReadingFingerprint: Received $result bytes"
writeLogToFile("startReadingFingerprint: Received $result bytes")
processFingerprintData(view, buffer)
} else {
Log.e("Fingerprint", "startReadingFingerprint: Failed to read data!")
textView.text = "setupUsbDevice: startReadingFingerprint: Failed to read data!"
writeLogToFile("startReadingFingerprint: Failed to read data!")
}

Thread.sleep(100)
}
Log.e("Fingerprint", "startReadingFingerprint: Scanning finished (device disconnected?)")
textView.text = "setupUsbDevice: startReadingFingerprint: Scanning finished (device disconnected?)"
writeLogToFile("startReadingFingerprint: Scanning finished (device disconnected?)")
}.start()
}


Подробнее здесь: https://stackoverflow.com/questions/795 ... ini-slim-2