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