ComPort for Android USB

Delphi and C++Builder serial communication library for USB connected devices for Android.

uses usb-serial-for-android library
supports
FTDI FT232R, FT232H, FT2232H, FT4232H, FT230X, FT231X, FT234XD
Prolific PL2303
Silabs CP2102, CP210*
Qinheng CH340, CH341A, CH9102
CDC/ACM protocol (Arduino, Digispark, BBC micro:bit, ...)
GsmModem devices (Unisoc based Fibocom GSM modems)
Chrome OS CCD (Closed Case Debugging)
no special root access privileges needed
available for Delphi/C++Builder 10.4 - 12
source code included in registered version
royalty free distribution in applications

Download ComPort for Android USB 5.9 trial version

Download demo example

Order ComPort for Android USB license $120 USD (license for one developer)

Order ComPort for Android USB multi-license $360 USD (license for all developers in company)

Order ComPort for Android USB year upgrades $60 USD (registered users only)

Order ComPort for Android USB year upgrades multi-license $180 USD (registered multi-license users only)

Order Winsoft Component Package

What files should be deployed to the Android device?
Add this file in Delphi Deployment window:

Local Name	Remote Path	Note
device_filter.xml	res\xml\

Add these lines to AndroidManifest.template.xml file:

<intent-filter>
  <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
</intent-filter>

<meta-data android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" android:resource="@xml/device_filter" />

How can I determine chip used in USB/RS232 adapter?
Use HWiNFO on PC and USB Library for Android demo example on Android.

How can I use custom USB device?

const
  CustomDevice: TCustomDevice = (Driver: TDriver.CdcAcm; VendorID: 7438; ProductID: 41477);
begin
  UsbSerial := TUsbSerial.Create;
  UsbSerial.CustomDevices := [CustomDevice];
  ...
end;

ComPort