AN2646 datasheet(26/43 Pages) STMICROELECTRONICS

26 / 43 page

Smartcard interface library: description

AN2646 - Application note

26/43

Smartcard interface library: description

The user may access a smartcard using directly the application layer. It allows to

send/receive ADPU commands to/from the smartcard using the following user interface:

6.1

File organization

Table 10 presents the smartcard library modules:

6.2

Smartcard interface library functions

Table 13 lists the various functions of the smartcard library.

Table 10.

File library description

File

Description

smartcard.h, smartcard.c

– Smartcard definitions, types definitions and function prototypes

– T0 protocol management

– Physical layer

Table 11.

Smartcard library functions

Function name

Description

SC_Handler

Handles all smartcard states and serves to send and receive all

communication data between smartcard and reader.

SC_PowerCmd

Enables or disables the power to the smartcard.

SC_Reset

Sets or clears the smartcard reset pin.

SC_ParityErrorHandler

Resends the byte that failed to be received (by the smartcard)

correctly.

SC_PTSConfig

Configures the IO speed (BaudRate) communication.

AN2646 Datasheet(PDF) 26 Page - STMicroelectronics