atrhandler.c File Reference

This keeps track of smartcard protocols, timing issues and ATR (Answer-to-Reset) handling. More...

#include "config.h"
#include <string.h>
#include "misc.h"
#include "pcsclite.h"
#include "debuglog.h"
#include "atrhandler.h"

Include dependency graph for atrhandler.c:

Go to the source code of this file.

Functions

short ATRDecodeAtr (PSMARTCARD_EXTENSION psExtension, PUCHAR pucAtr, DWORD dwLength)
 Uncomment the following for ATR debugging or use .


Detailed Description

This keeps track of smartcard protocols, timing issues and ATR (Answer-to-Reset) handling.

Note:
use ./configure --enable-debugatr to enable debug messages to be logged.

Definition in file atrhandler.c.


Function Documentation

short ATRDecodeAtr ( PSMARTCARD_EXTENSION  psExtension,
PUCHAR  pucAtr,
DWORD  dwLength 
)

Uncomment the following for ATR debugging or use .

/configure --enable-debugatr parse an ATR

Parameters:
[out] psExtension 
[in] pucAtr ATR
[in] dwLength ATR length
Returns:

Return values:
0 Atr must have TS and T0
0 Unable to decode TS byte
0 Unable to decode LNS
0 Unable do decode T protocol
0 Maximum attribute size
1 Success

Definition at line 43 of file atrhandler.c.

References MAX_ATR_SIZE, SCARD_PROTOCOL_T0, SCARD_PROTOCOL_T1, SCARD_PROTOCOL_T15, and SCARD_PROTOCOL_UNDEFINED.

Referenced by IFDPowerICC(), IFDStatusICC(), PHGetAvailableProtocols(), and PHGetDefaultProtocol().


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