The aim of this ApplicatIOn note is to show to scan the 4x4 matrix keypad
multiplexed with a four 7-segment display. The software attached to this ApplicatIOn
note scans the pressed key and displays it on the multiplexed 7- segment LEDs.
This ApplicatIOn note makes obvious Interrupt capability of the STR710 device
to offer a better key scan .
This libusb version 0.1.12. libusb is a library which allows
userspace ApplicatIOn access to USB devices.
The official ftp site is:
ftp://ftp.libusb.sourceforge.net/pub/libusb/
The official web site is:
http://libusb.sourceforge.net/
A mailing list is located at:
libusb-devel@lists.sourceforge.net
3rd Generation Partnership Project
Specification of the SIM ApplicatIOn Toolkit for the
Subscriber Identity Module - Mobile Equipment
(SIM - ME) interface
(Release 4)