diff options
Diffstat (limited to 'rfid_proto_mifare_classic.c')
| -rw-r--r-- | rfid_proto_mifare_classic.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/rfid_proto_mifare_classic.c b/rfid_proto_mifare_classic.c index 474f554..10de288 100644 --- a/rfid_proto_mifare_classic.c +++ b/rfid_proto_mifare_classic.c @@ -28,9 +28,8 @@ #include <rfid/rfid.h> #include <rfid/rfid_protocol.h> #include <rfid/rfid_layer2.h> -//#include <rfid/rfid_layer2_iso14443b.h> +#include <rfid/rfid_protocol_mifare_classic.h> -//#include <rfid/rfid_asic.h> #include <rfid/rfid_reader.h> #include "rfid_iso14443_common.h" @@ -40,8 +39,8 @@ #define MIFARE_UL_CMD_READ 0x30 /* FIXME */ -#define MIFARE_UL_READ_FWT 100 -#define MIFARE_UL_WRITE_FWT 100 +#define MIFARE_CL_READ_FWT 100 +#define MIFARE_CL_WRITE_FWT 100 static int mfcl_read(struct rfid_protocol_handle *ph, unsigned int page, @@ -52,14 +51,15 @@ mfcl_read(struct rfid_protocol_handle *ph, unsigned int page, unsigned char tx[2]; int ret; - if (page > 7) + if (page > MIFARE_CL_PAGE_MAX) return -EINVAL; - tx[0] = MIFARE_UL_CMD_READ; + tx[0] = MIFARE_CL_CMD_READ; tx[1] = page & 0xff; - ret = ph->l2h->l2->fn.transcieve(ph->l2h, tx, sizeof(tx), rx_buf, - &real_rx_len, MIFARE_UL_READ_FWT, 0); + ret = ph->l2h->l2->fn.transcieve(ph->l2h, RFID_MIFARE_FRAME, tx, + sizeof(tx), rx_buf, &real_rx_len, + MIFARE_CL_READ_FWT, 0); if (ret < 0) return ret; @@ -77,24 +77,28 @@ mfcl_write(struct rfid_protocol_handle *ph, unsigned int page, unsigned char *tx_data, unsigned int tx_len) { unsigned int i; - unsigned char tx[6]; + unsigned char tx[18]; unsigned char rx[1]; unsigned int rx_len; int ret; - if (tx_len != 4 || page > 7) + if (tx_len != 16 || page > MIFARE_CL_PAGE_MAX) return -EINVAL; - tx[0] = MIFARE_UL_CMD_WRITE; + tx[0] = MIFARE_CL_CMD_WRITE16; tx[1] = page & 0xff; - for (i = 0; i < 4; i++) - tx[2+i] = tx_data[i]; + memcpy(tx+2, tx_data, 16); - ret = ph->l2h->l2->fn.transcieve(ph->l2h, tx, sizeof(tx), rx, - &rx_len, MIFARE_UL_WRITE_FWT, 0); + ret = ph->l2h->l2->fn.transcieve(ph->l2h, RFID_MIFARE_FRAME, tx, + sizeof(tx), rx, &rx_len, + MIFARE_CL_WRITE_FWT, 0); - /* FIXME:look at RX, check for ACK/NAK */ + if (ret < 0) + return ret; + + if (rx[0] != MIFARE_UL_RESP_ACK) + return -EIO; return ret; } |