sed s/cm5121/x501/ - need to be hacked now (hopefully there is a way to access regist...
[rfid/librfid.git] / src / rfid_reader_x501.c
diff --git a/src/rfid_reader_x501.c b/src/rfid_reader_x501.c
new file mode 100644 (file)
index 0000000..4547642
--- /dev/null
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+/* Gemini 2000 x501 specific RC632 transport layer 
+ *
+ * (C) 2006 by Frank Zirkelbach <hackbard@hackdaworld.org>
+ *
+ * Are there extensions allowing to access registers and FIFO of the rc632?
+ * 
+ */
+
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 
+ *  as published by the Free Software Foundation
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <librfid/rfid.h>
+#include <librfid/rfid_reader.h>
+#include <librfid/rfid_asic.h>
+#include <librfid/rfid_asic_rc632.h>
+#include <librfid/rfid_reader_x501.h>
+
+#include "rc632.h"
+
+#define SENDBUF_LEN    100
+#define RECVBUF_LEN    40
+
+static
+int Write1ByteToReg(struct rfid_asic_transport_handle *rath,
+                   unsigned char reg, unsigned char value)
+{
+       unsigned char sndbuf[SENDBUF_LEN];
+       unsigned char rcvbuf[RECVBUF_LEN];
+       unsigned int retlen = RECVBUF_LEN;
+
+       sndbuf[0] = 0x20;
+       sndbuf[1] = 0x00;
+       sndbuf[2] = 0x01;
+       sndbuf[3] = 0x00;
+       sndbuf[4] = 0x00;
+       sndbuf[5] = 0x00;
+       sndbuf[6] = reg;
+       sndbuf[7] = value;
+
+       DEBUGP("reg=0x%02x, val=%02x: ", reg, value);
+
+       if (PC_to_RDR_Escape(rath->data, sndbuf, 8, rcvbuf, 
+                            &retlen) == 0) {
+               DEBUGPC("OK\n");
+               return 0;
+       }
+
+       DEBUGPC("ERROR\n");
+       return -1;
+}
+
+static int Read1ByteFromReg(struct rfid_asic_transport_handle *rath,
+                           unsigned char reg,
+                           unsigned char *value)
+{
+       unsigned char sndbuf[SENDBUF_LEN];
+       unsigned char recvbuf[RECVBUF_LEN];
+       unsigned int retlen = sizeof(recvbuf);
+
+       sndbuf[0] = 0x20;
+       sndbuf[1] = 0x00;
+       sndbuf[2] = 0x00;
+       sndbuf[3] = 0x00;
+       sndbuf[4] = 0x01;
+       sndbuf[5] = 0x00;
+       sndbuf[6] = reg;
+
+       if (PC_to_RDR_Escape(rath->data, sndbuf, 7, recvbuf, 
+                            &retlen) == 0) {
+               *value = recvbuf[1];
+               DEBUGP("reg=0x%02x, val=%02x: ", reg, *value);
+               DEBUGPC("OK\n");
+               return 0;
+       }
+
+       DEBUGPC("ERROR\n");
+       return -1;
+}
+
+static int ReadNBytesFromFIFO(struct rfid_asic_transport_handle *rath,
+                             unsigned char num_bytes,
+                             unsigned char *buf)
+{
+       unsigned char sndbuf[SENDBUF_LEN];
+       unsigned char recvbuf[0x7f];
+       unsigned int retlen = sizeof(recvbuf);
+
+       sndbuf[0] = 0x20;
+       sndbuf[1] = 0x00;
+       sndbuf[2] = 0x00;
+       sndbuf[3] = 0x00;
+       sndbuf[4] = num_bytes;
+       sndbuf[5] = 0x00;
+       sndbuf[6] = 0x02;
+
+       DEBUGP("num_bytes=%u: ", num_bytes);
+       if (PC_to_RDR_Escape(rath->data, sndbuf, 7, recvbuf, &retlen) == 0) {
+               DEBUGPC("%u [%s]\n", retlen,
+                       rfid_hexdump(recvbuf+1, num_bytes));
+               memcpy(buf, recvbuf+1, num_bytes); // len == 0x7f
+               return 0;
+       }
+
+       DEBUGPC("ERROR\n");
+       return -1;
+}
+
+static int WriteNBytesToFIFO(struct rfid_asic_transport_handle *rath,
+                            unsigned char len,
+                            const unsigned char *bytes,
+                            unsigned char flags)
+{
+       unsigned char sndbuf[SENDBUF_LEN];
+       unsigned char recvbuf[0x7f];
+       unsigned int retlen = sizeof(recvbuf);
+
+       sndbuf[0] = 0x20;
+       sndbuf[1] = 0x00;
+       sndbuf[2] = len;
+       sndbuf[3] = 0x00;
+       sndbuf[4] = 0x00;
+       sndbuf[5] = flags;
+       sndbuf[6] = 0x02;
+
+       DEBUGP("%u [%s]: ", len, rfid_hexdump(bytes, len));
+
+       memcpy(sndbuf+7, bytes, len);
+
+       if (PC_to_RDR_Escape(rath->data, sndbuf, len+7, recvbuf, &retlen) == 0) {
+               DEBUGPC("OK (%u [%s])\n", retlen, rfid_hexdump(recvbuf, retlen));
+               return 0;
+       }
+
+       DEBUGPC("ERROR\n");
+       return -1;
+}
+
+#if 0
+static int TestFIFO(struct rc632_handle *handle)
+{
+       unsigned char sndbuf[60]; // 0x3c
+
+       // FIXME: repne stosd, call
+
+       memset(sndbuf, 0, sizeof(sndbuf));
+
+       if (WriteNBytesToFIFO(handle, sizeof(sndbuf), sndbuf, 0) < 0)
+               return -1;
+
+       return ReadNBytesFromFIFO(handle, sizeof(sndbuf), sndbuf);
+}
+#endif
+
+static int x501_transcieve(struct rfid_reader_handle *rh,
+                            enum rfid_frametype frametype,
+                            const unsigned char *tx_data, unsigned int tx_len,
+                            unsigned char *rx_data, unsigned int *rx_len,
+                            u_int64_t timeout, unsigned int flags)
+{
+       return rh->ah->asic->priv.rc632.fn.transcieve(rh->ah, frametype,
+                                               tx_data, tx_len, rx_data,
+                                               rx_len, timeout, flags);
+}
+
+static int x501_transcieve_sf(struct rfid_reader_handle *rh,
+                              unsigned char cmd, struct iso14443a_atqa *atqa)
+{
+       return rh->ah->asic->priv.rc632.fn.iso14443a.transcieve_sf(rh->ah,
+                                                                  cmd,
+                                                                  atqa);
+}
+
+static int
+x501_transcieve_acf(struct rfid_reader_handle *rh,
+                     struct iso14443a_anticol_cmd *cmd,
+                     unsigned int *bit_of_col)
+{
+       return rh->ah->asic->priv.rc632.fn.iso14443a.transcieve_acf(rh->ah,
+                                                        cmd, bit_of_col);
+}
+
+static int
+x501_14443a_init(struct rfid_reader_handle *rh)
+{
+       return rh->ah->asic->priv.rc632.fn.iso14443a.init(rh->ah);
+}
+
+static int
+x501_14443a_set_speed(struct rfid_reader_handle *rh, 
+                       unsigned int tx,
+                       unsigned int speed)
+{
+       u_int8_t rate;
+       
+       DEBUGP("setting rate: ");
+       switch (speed) {
+       case RFID_14443A_SPEED_106K:
+               rate = 0x00;
+               DEBUGPC("106K\n");
+               break;
+       case RFID_14443A_SPEED_212K:
+               rate = 0x01;
+               DEBUGPC("212K\n");
+               break;
+       case RFID_14443A_SPEED_424K:
+               rate = 0x02;
+               DEBUGPC("424K\n");
+               break;
+       case RFID_14443A_SPEED_848K:
+               rate = 0x03;
+               DEBUGPC("848K\n");
+               break;
+       default:
+               return -EINVAL;
+               break;
+       }
+       return rh->ah->asic->priv.rc632.fn.iso14443a.set_speed(rh->ah,
+                                                               tx, rate);
+}
+
+static int
+x501_14443b_init(struct rfid_reader_handle *rh)
+{
+       return rh->ah->asic->priv.rc632.fn.iso14443b.init(rh->ah);
+}
+
+static int
+x501_15693_init(struct rfid_reader_handle *rh)
+{
+       return rh->ah->asic->priv.rc632.fn.iso15693.init(rh->ah);
+}
+
+static int
+x501_mifare_setkey(struct rfid_reader_handle *rh, const u_int8_t *key)
+{
+       return rh->ah->asic->priv.rc632.fn.mifare_classic.setkey(rh->ah, key);
+}
+
+static int
+x501_mifare_auth(struct rfid_reader_handle *rh, u_int8_t cmd, 
+                  u_int32_t serno, u_int8_t block)
+{
+       return rh->ah->asic->priv.rc632.fn.mifare_classic.auth(rh->ah, 
+                                                       cmd, serno, block);
+}
+
+struct rfid_asic_transport x501_ccid = {
+       .name = "X501 OpenCT",
+       .priv.rc632 = {
+               .fn = {
+                       .reg_write      = &Write1ByteToReg,
+                       .reg_read       = &Read1ByteFromReg,
+                       .fifo_write     = &WriteNBytesToFIFO,
+                       .fifo_read      = &ReadNBytesFromFIFO,
+               },
+       },
+};
+
+static int x501_enable_rc632(struct rfid_asic_transport_handle *rath)
+{
+       unsigned char tx_buf[1] = { 0x01 };     
+       unsigned char rx_buf[64];
+       unsigned int rx_len = sizeof(rx_buf);
+
+       PC_to_RDR_Escape(rath->data, tx_buf, 1, rx_buf, &rx_len);
+       printf("received %u bytes from 01 command\n", rx_len);
+
+       return 0;
+}
+
+static struct rfid_reader_handle *
+x501_open(void *data)
+{
+       struct rfid_reader_handle *rh;
+       struct rfid_asic_transport_handle *rath;
+
+       rh = malloc(sizeof(*rh));
+       if (!rh)
+               return NULL;
+       memset(rh, 0, sizeof(*rh));
+
+       rath = malloc(sizeof(*rath));
+       if (!rath)
+               goto out_rh;
+       memset(rath, 0, sizeof(*rath));
+
+       rath->rat = &x501_ccid;
+       rh->reader = &rfid_reader_x501;
+
+       if (x501_source_init(rath) < 0)
+               goto out_rath;
+
+       if (x501_enable_rc632(rath) < 0)
+               goto out_rath;
+
+       rh->ah = rc632_open(rath);
+       if (!rh->ah) 
+               goto out_rath;
+
+       DEBUGP("returning %p\n", rh);
+       return rh;
+
+out_rath:
+       free(rath);
+out_rh:
+       free(rh);
+
+       return NULL;
+}
+
+static void
+x501_close(struct rfid_reader_handle *rh)
+{
+       struct rfid_asic_transport_handle *rath = rh->ah->rath;
+       rc632_close(rh->ah);
+       free(rath);
+       free(rh);
+}
+
+struct rfid_reader rfid_reader_x501 = {
+       .name   = "Omnikey CardMan 5121 RFID",
+       .open = &x501_open,
+       .close = &x501_close,
+       .transcieve = &x501_transcieve,
+       .iso14443a = {
+               .init = &x501_14443a_init,
+               .transcieve_sf = &x501_transcieve_sf,
+               .transcieve_acf = &x501_transcieve_acf,
+               .speed = RFID_14443A_SPEED_106K | RFID_14443A_SPEED_212K |
+                        RFID_14443A_SPEED_424K, //| RFID_14443A_SPEED_848K,
+               .set_speed = &x501_14443a_set_speed,
+       },
+       .iso14443b = {
+               .init = &x501_14443b_init,
+       },
+       .mifare_classic = {
+               .setkey = &x501_mifare_setkey,
+               .auth = &x501_mifare_auth,
+       },
+};
+
+