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/* CM5121 backend for OpenCT virtual slot */
#include <stdio.h>
#include <librfid/rfid_asic.h>
#include <openct/openct.h>
/* FIXME: get rid of this global crap. In fact this needs to become part of
* struct rfid_reader_handle */
static ct_lock_handle lock;
static int slot = 1;
/* this is the sole function required by rfid_reader_cm5121.c */
int
PC_to_RDR_Escape(void *handle,
const unsigned char *tx_buf, unsigned int tx_len,
unsigned char *rx_buf, unsigned int *rx_len)
{
int rc;
ct_handle *h = (ct_handle *) handle;
rc = ct_card_transact(h, 1, tx_buf, tx_len, rx_buf, *rx_len);
if (rc >= 0) {
*rx_len = rc;
return 0;
}
return rc;
}
int cm5121_source_init(struct rfid_asic_transport_handle *rath)
{
struct ct_handle *h;
int rc;
unsigned char atr[64];
h = ct_reader_connect(0);
if (!h)
return -1;
printf("acquiring card lock\n");
rc = ct_card_lock(h, slot, IFD_LOCK_EXCLUSIVE, &lock);
if (rc < 0) {
fprintf(stderr, "error, no card lock\n");
return -1;
}
rc = ct_card_reset(h, slot, atr, sizeof(atr));
if (rc < 0) {
fprintf(stderr, "error, can't reset virtual card\n");
return -1;
}
rath->data = h;
return 0;
}
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