src/ctccid/ccid_usb.h File Reference

#include "scr.h"

Defines
#define	ERR_ICC_MUTE   0xFE
#define	ERR_XFR_OVERRUN   0xFC
#define	ERR_HW_ERROR   0xFB
#define	MSG_TYPE_PC_to_RDR_SetParameters   0x61
#define	MSG_TYPE_PC_to_RDR_IccPowerOn   0x62
#define	MSG_TYPE_PC_to_RDR_IccPowerOff   0x63
#define	MSG_TYPE_PC_to_RDR_GetSlotStatus   0x65
#define	MSG_TYPE_PC_to_RDR_XfrBlock   0x6F
#define	MSG_TYPE_RDR_to_PC_DataBlock   0x80
#define	MSG_TYPE_RDR_to_PC_SlotStatus   0x81
#define	MSG_TYPE_RDR_to_PC_Parameters   0x82
#define	ICC_PRESENT_AND_ACTIVE   0x00
#define	ICC_PRESENT_AND_INACTIVE   0x01
#define	NO_ICC_PRESENT   0x02
#define	ICC_STATUS_MASK   0x03
#define	MATCH(x, y)   ((x >= (y - y / 20)) && (x <= (y + y / 20)))
Functions
int	PC_to_RDR_IccPowerOn (scr_t *ctx)
int	PC_to_RDR_IccPowerOff (scr_t *ctx)
int	PC_to_RDR_XfrBlock (scr_t *ctx, unsigned int outlen, unsigned char *outbuf)
int	RDR_to_PC_DataBlock (scr_t *ctx, unsigned int *inlen, unsigned char *inbuf)
int	PC_to_RDR_GetSlotStatus (scr_t *ctx)
int	DetermineBaudrate (int F, int D)
int	DecodeATRValues (scr_t *ctx)
int	PC_to_RDR_SetParameters (scr_t *ctx)

---

Define Documentation

#define ERR_HW_ERROR   0xFB

#define ERR_ICC_MUTE   0xFE

#define ERR_XFR_OVERRUN   0xFC

#define ICC_PRESENT_AND_ACTIVE   0x00

#define ICC_PRESENT_AND_INACTIVE   0x01

#define ICC_STATUS_MASK   0x03

#define MATCH	(		x,
			y
	)		((x >= (y - y / 20)) && (x <= (y + y / 20)))

#define MSG_TYPE_PC_to_RDR_GetSlotStatus   0x65

#define MSG_TYPE_PC_to_RDR_IccPowerOff   0x63

#define MSG_TYPE_PC_to_RDR_IccPowerOn   0x62

#define MSG_TYPE_PC_to_RDR_SetParameters   0x61

#define MSG_TYPE_PC_to_RDR_XfrBlock   0x6F

#define MSG_TYPE_RDR_to_PC_DataBlock   0x80

#define MSG_TYPE_RDR_to_PC_Parameters   0x82

#define MSG_TYPE_RDR_to_PC_SlotStatus   0x81

#define NO_ICC_PRESENT   0x02

---

Function Documentation

int DecodeATRValues

(

scr_t *

ctx

)

Decode protocol specified ATR values and store them in the reader context

Parameters:

ctx	Reader context

Returns:

0 on success, negative value otherwise

int DetermineBaudrate	(	int	F,
		int	D
	)

Calculate the current baudrate depending on the values of F and D

Parameters:

F	Clock rate conversion integer
D	Baud rate adjustment integer

Returns:

Calculated baudrate

int PC_to_RDR_GetSlotStatus

(

scr_t *

ctx

)

Get the current state of the reader slot

Parameters:

ctx	Reader context

Returns:

ICC_PRESENT_AND_INACTIVE, ICC_PRESENT_AND_ACTIVE, NO_ICC_PRESENT or -1 on error

int PC_to_RDR_IccPowerOff

(

scr_t *

ctx

)

Power off the ICC in the reader

Parameters:

ctx	Reader context

Returns:

0 on success, negative value otherwise

int PC_to_RDR_IccPowerOn

(

scr_t *

ctx

)

Power on the ICC in the reader and set the ATR and the communication parameters as specified

Parameters:

ctx	Reader context

Returns:

0 on success, negative value otherwise

int PC_to_RDR_SetParameters

(

scr_t *

ctx

)

Set communication protocol parameters (guard time, FI, DI, IFSC)

Parameters:

ctx	Reader context

Returns:

0 on success, negative value otherwise

int PC_to_RDR_XfrBlock	(	scr_t *	ctx,
		unsigned int	outlen,
		unsigned char *	outbuf
	)

Exchange data block between PC and reader

Parameters:

ctx	Reader context
outlen	Length of outgoing data
outbuf	Outgoing data buffer

Returns:

0 on success, negative value otherwise

int RDR_to_PC_DataBlock	(	scr_t *	ctx,
		unsigned int *	inlen,
		unsigned char *	inbuf
	)

Exchange data block between reader and PC

Parameters:

ctx	Reader context
inlen	Length of data buffer/actual length of incoming data
inbuf	Incoming data buffer

Returns:

0 on success, negative value otherwise