Company Future Technology Devices International Limited (FTDI) extended support of its USB components even for connection to products with the Android operating system.
The first contribution is the release of the Application note AN_181 about accessing the „Android Open Accessory Mode“ with Vinculum-II chips. Open Accessory Mode is a new feature in of Android OS 3.1. whereby a USB host device can connect to the Android device to allow data transfer to and from the Android device over USB. FTDI chip VNC-II as a powerful 16 bit chip enables to add USB HOST capabilities to many devices thus enabling to use also this Android OS mode. AN181 document shows the access to the Open Accessory Mode on an example of a development board V2EVAL and the Motorola Xoom tablet combination. FTDI provides a full source code as well as precompiled ROM files.
The second contribution is the release of new D2XX drivers for FTxxxx chips usable for Android OS. D2XX API is common for all usual OS-es, namely Windows, Windows CE, Linux and Mac OS X. FTDI has now developed the port of D2XX drivers for Android OS including native JAVA interface code and a JAVA class. This enable an easy access to the driver from an Android application. FTDI releases these drivers as a beta-version and if necessary, you can contact the technical support at support1 [at] ftdichip.com. Detailed description is in the Technical note TN_134. Supplementary information about Adding FTDI Devices VCP Driver Support to Android is in the technical note TN_132.
Connect your USB applications to devices with Android OS! - [Link]