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This is an expanded version of the original UsbSerial library. It has added support for Prolific... serial driver library as the existing UsbSerial library but no longer needs a separate jar file...
link: Try this and post if it works or not Great @agraham Work with out problem 👍...
link: Try this and post if it works or not...
link: manifest i have: android:targetSdkVersion="34" With the following code: If usb.UsbPresent...

This library wraps the following open source project: https://github.com/felHR85/UsbSerial (MIT license). It is an alternative to the UsbSerial2 library. The following devices are supported: CP210x... initialize felUsbSerial, configure it and start reading. Sub Process_Globals Private usbserial As felUsbSerial Private manager As UsbManager Private bc As ByteConverter End Sub Sub Globals... usbserial.Initialize("serial", device, -1) usbserial.BaudRate = 115200...

When UsbSerial lib for B4J?:oops: My life would be simpler:):) I am not able to print in ESC/POS printer from B4J :mad::mad::(:(:(:( I have tried with this but no ports availables with bluetooth...
link: Como dice Enrique, cada impresora tiene su utilidad para cargar el grafico en la nvram...
link: segun el manual para la que uso, epson tm t20ii, solo es mediante la utilidad, aunque yo me imagino ...
link: Es posible hacerlo por código? me refiero a almacenar la imagen en la nvram para despues mandarla ll...

HI, All Strange, that cannot find on the forum....
link: UsbSerial 2.5 ?...
link: The website "basic4ppc" is down, where can I find a demo for the library UsbSerial 2.5...
link: The demo is here. Don't use the library, it's v2.4. Use v2.5 in the link above...

permission for USBserial. Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or...
link: has 2 serial ports (interfaces) in a single USB device. I don't see any option in the USBSerial...
link: The error appears in the USBserial library in the line 'manager.requestPermission(usbDevice...
link: Understood...

usbserial As felUsbSerial Private manager As UsbManager Private bc As ByteConverter End Sub....LoadLayout("Test_felUsbSerial") If FirstTime Then manager.Initialize End If...
link: it. His usb-serial-for-android looks like a good basis for yet another general purpose UsbSerial...
link: with the Usb Serial interface?...
link: of the serial pins of the serial-to-USB adapter? Then send yourself packets of say 30-to-250 random bytes, make...

Completed successfully. *** Non dimenticare di aggiornare l'elenco delle librerie nell'IDE (fai clic con il pulsante destro d...
link: here's the source for the latest version 2.5 with the fix for a required flag in PendingIntent. It compiles for me using SLC....
link: Good morning, i am trying to compile the original UsbSerial library but i get this erro Starting...

with Agraham's UsbSerial library to connect I use the DRIVER_SILABS driver with which I can write, but I don't receive anything because they arrive on USB_ENDPOINT_XFER_INT = 3 if... UsbInterface localUsbInterface1 = this.mDevice.getInterface(this.mDevice.getInterfaceCount() - 1); for (int k = 0; k < localUsbInterface1.getEndpointCount(); k++) { UsbEndpoint...
link: I connect using UsbSerial 2.5 and exchange setup data with type 2 endpoint. Can I change the data type? Thank you...

Hi, is it possible to wait for a specified count of bytes after write to USBserial port ? I would like send many commands to a device with different length of answer. e.g. send 0x01 , receive 2 bytes send 0x51 , recieve 8 bytes and many others, So I will write and than wait for the answer. Is that possible with the USBserial lib ? Thanks in advance Roy...

Hi Everybody, I have the need to control the flow of data on Prolific 2303. The chip has control capabilities on-chip, so I wonder if someone has done. Some adapter I use for testing has hardware flow control enabled by default. I solved the issue with a couple of jumpers, to simulate a null-modem cable. I have also seen that they have no TTL/EIA voltage shifter inside, strange because I payed as ...