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osmo-ccid-firmware
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Add ccid_device.h file for ccid_device.c 

Change-Id: I1b171ede38deebfa525a0ee10865da2dc5ec7e4e
This commit is contained in:
Harald Welte 2019-05-15 19:40:29 +02:00
parent 8579ce51d2
commit 8d186adddf
2 changed files with 71 additions and 48 deletions
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49
ccid/ccid_device.c
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@ -8,40 +8,7 @@
#include <osmocom/core/utils.h>
#include "ccid_proto.h"
#define NR_SLOTS 8
struct ccid_pars_decoded {
/* global for T0/T1 */
uint8_t fi;
uint8_t di;
enum ccid_clock_stop clock_stop;
bool inverse_convention;
struct {
uint8_t guard_time_etu;
uint8_t waiting_integer;
} t0;
struct {
enum ccid_t1_csum_type csum_type;
uint8_t guard_time_t1;
uint8_t bwi;
uint8_t cwi;
uint8_t ifsc;
uint8_t nad;
} t1;
};
struct ccid_slot {
struct ccid_instance *ci;
uint8_t slot_nr;
bool icc_present;
bool icc_powered;
bool icc_in_reset;
bool cmd_busy;
struct ccid_pars_decoded pars;
};
#include "ccid_device.h"
/* decode on-the-wire T0 parameters into their parsed form */
static int decode_ccid_pars_t0(struct ccid_pars_decoded *out, const struct ccid_proto_data_t0 *in)
@ -134,23 +101,9 @@ static void encode_ccid_pars_t1(struct ccid_proto_data_t1 *out, const struct cci
out->bNadValue = in->t1.nad;
}
struct ccid_ops {
int (*send_in)(struct ccid_instance *ci, struct msgb *msg);
};
struct ccid_instance {
struct ccid_slot slot[NR_SLOTS];
struct ccid_ops ops;
const char *name;
};
#define msgb_ccid_out(x) (union ccid_pc_to_rdr *)msgb_data(x)
#define msgb_ccid_in(x) (union ccid_rdr_to_pc *)msgb_data(x)
#define LOGPCI(ci, lvl, fmt, args ...) LOGP(DCCID, lvl, "%s: " fmt, (ci)->name, ## args)
#define LOGPCS(cs, lvl, fmt, args ...) \
LOGP(DCCID, lvl, "%s(%u): " fmt, (cc)->ci->name, (cc)->slot_nr, ## args)
static struct ccid_slot *get_ccid_slot(struct ccid_instance *ci, uint8_t slot_nr)
{
if (slot_nr >= sizeof(ci->slot))

70
ccid/ccid_device.h Normal file
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@ -0,0 +1,70 @@
#pragma once
#include <stdbool.h>
#include <stdint.h>
#define NR_SLOTS 8
#define LOGPCI(ci, lvl, fmt, args ...) LOGP(DCCID, lvl, "%s: " fmt, (ci)->name, ## args)
#define LOGPCS(cs, lvl, fmt, args ...) \
LOGP(DCCID, lvl, "%s(%u): " fmt, (cc)->ci->name, (cc)->slot_nr, ## args)
struct msgb;
struct ccid_pars_decoded {
/* global for T0/T1 */
uint8_t fi;
uint8_t di;
enum ccid_clock_stop clock_stop;
bool inverse_convention;
struct {
uint8_t guard_time_etu;
uint8_t waiting_integer;
} t0;
struct {
enum ccid_t1_csum_type csum_type;
uint8_t guard_time_t1;
uint8_t bwi;
uint8_t cwi;
uint8_t ifsc;
uint8_t nad;
} t1;
};
struct ccid_slot {
/* back-pointer to the ccid_instance */
struct ccid_instance *ci;
/* number of this slot (0 = first) */
uint8_t slot_nr;
/* is there an ICC physically present (card detect)? */
bool icc_present;
/* was there an ICC present during the last NotifSlotStatus?
* should be set to zero every USB resume and setConfig != 0 */
bool icc_present_last;
/* is the ICC physically powered? */
bool icc_powered;
/* is the ICC currently in reset? */
bool icc_in_reset;
/* is this slot currently busy with processing a CCID command? */
bool cmd_busy;
/* decided CCID parameters */
struct ccid_pars_decoded pars;
};
/* CCID operations */
struct ccid_ops {
int (*send_in)(struct ccid_instance *ci, struct msgb *msg);
};
/* An instance of CCID (i.e. a card reader device) */
struct ccid_instance {
/* slots within the reader */
struct ccid_slot slot[NR_SLOTS];
/* set of function pointers implementing specific operations */
const struct ccid_ops ops;
const char *name;
};
int ccid_handle_out(struct ccid_instance *ci, struct msgb *msg);