ACR122T – Application Programming Interface
Version 2.02
www.acs.com.hk
Page 34 of 45
Appendix A. ACR122T PC/SC Escape Command
1. Select the “ACS ACR122T PICC Interface 0”.
2. Select the “Shared Mode” if the “ACR122T PICC Interface” is already connected or “Direct
Mode” if the “ACR122T PICC Interface” is not connected.
3. Press the button “Connect” to establish a connection between the PC and the ACR122T
reader.
4. Enter “
3500
” in the Command Text Box.
5. Enter the PCSC Escape Command, e.g. “
FF 00 48 00 00h
” and press the button “Send” to
send the command to the reader.
#Get the firmware version
6. Press the button “Disconnect” to break the connection.
7. In order to send or receive
Escape commands
to a reader, follow the instructions below.
8. The vendor IOCTL for the
Escape
command is defined as follows:
#
define IOCTL_CCID_ESCAPE SCARD_CTL_CODE(3500)