//#include "rc632_14443a.h"
-#define RC632_TMO_AUTH1 14000
+#define RC632_TMO_AUTH1 140
#define ENTER() DEBUGP("entering\n")
const struct rfid_asic rc632;
if (ret < 0)
return ret;
+ /* switch off rf */
+ ret = rc632_turn_off_rf(ah);
+ if (ret < 0)
+ return ret;
+
+ usleep(100000);
+
/* switch on rf */
ret = rc632_turn_on_rf(ah);
if (ret < 0)
// FIXME: some fifo work (drain fifo?)
/* flush fifo (our way) */
- ret = rc632_reg_write(handle, RC632_REG_CONTROL, 0x01);
+ ret = rc632_reg_write(handle, RC632_REG_CONTROL,
+ RC632_CONTROL_FIFO_FLUSH);
ret = rc632_reg_write(handle, RC632_REG_TX_CONTROL,
(RC632_TXCTRL_TX1_RF_EN |
// FIXME: some FIFO work
/* flush fifo (our way) */
- ret = rc632_reg_write(handle, RC632_REG_CONTROL, 0x01);
+ ret = rc632_reg_write(handle, RC632_REG_CONTROL,
+ RC632_CONTROL_FIFO_FLUSH);
if (ret < 0)
return ret;
if (ret < 0)
return ret;
+ /* Terminate probably running command */
+ ret = rc632_reg_write(h, RC632_REG_COMMAND, RC632_CMD_IDLE);
+ if (ret < 0)
+ return ret;
+
ret = rc632_fifo_write(h, RFID_MIFARE_KEY_CODED_LEN, coded_key, 0x03);
if (ret < 0)
return ret;
struct mifare_authcmd acmd;
u_int8_t reg;
- if (cmd != RFID_CMD_MIFARE_AUTH1A && cmd != RFID_CMD_MIFARE_AUTH1B)
+ if (cmd != RFID_CMD_MIFARE_AUTH1A && cmd != RFID_CMD_MIFARE_AUTH1B) {
+ DEBUGP("invalid auth command\n");
return -EINVAL;
+ }
/* Initialize acmd */
acmd.block_address = block & 0xff;
//acmd.serno = htonl(serno);
acmd.serno = serno;
+#if 1
/* Clear Rx CRC */
ret = rc632_clear_bits(h, RC632_REG_CHANNEL_REDUNDANCY,
RC632_CR_RX_CRC_ENABLE);
+#else
+ /* Clear Rx CRC, Set Tx CRC and Odd Parity */
+ ret = rc632_reg_write(h, RC632_REG_CHANNEL_REDUNDANCY,
+ RC632_CR_TX_CRC_ENABLE | RC632_CR_PARITY_ODD |
+ RC632_CR_PARITY_ENABLE);
+#endif
if (ret < 0)
return ret;
return ret;
ret = rc632_reg_write(h, RC632_REG_COMMAND, RC632_CMD_AUTHENT1);
- if (ret < 0)
+ if (ret < 0) {
+ DEBUGP("error during AUTHENT1");
return ret;
+ }
/* Wait until transmitter is idle */
ret = rc632_wait_idle(h, RC632_TMO_AUTH1);
ret = rc632_reg_read(h, RC632_REG_SECONDARY_STATUS, ®);
if (ret < 0)
return ret;
- if (reg & 0x07)
+ if (reg & 0x07) {
+ DEBUGP("bitframe?");
return -EIO;
+ }
/* Clear Tx CRC */
ret = rc632_clear_bits(h, RC632_REG_CHANNEL_REDUNDANCY,
if (ret < 0)
return ret;
- if (!(reg & RC632_CONTROL_CRYPTO1_ON))
+ if (!(reg & RC632_CONTROL_CRYPTO1_ON)) {
+ DEBUGP("authentication not successful");
return -EACCES;
+ }
return 0;
-
}
/* transceive regular frame */