diff options
Diffstat (limited to 'src/rfid_reader_cm5121_openct.c')
-rw-r--r-- | src/rfid_reader_cm5121_openct.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/rfid_reader_cm5121_openct.c b/src/rfid_reader_cm5121_openct.c new file mode 100644 index 0000000..9d96638 --- /dev/null +++ b/src/rfid_reader_cm5121_openct.c @@ -0,0 +1,59 @@ +/* CM5121 backend for OpenCT virtual slot */ + +#include <stdio.h> + +#include <rfid/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; +} + |