tmr_tag_data.h

Go to the documentation of this file.

/* ex: set tabstop=2 shiftwidth=2 expandtab cindent: */
#ifndef _TMR_TAG_DATA_H
#define _TMR_TAG_DATA_H

/*
 * Copyright (c) 2009 ThingMagic, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "tmr_tag_protocol.h"
#include "tmr_gen2.h"

#ifdef  __cplusplus
extern "C" {
#endif

#define TMR_MAX_EPC_BYTE_COUNT (62)

typedef struct TMR_TagData
{
  uint8_t epc[TMR_MAX_EPC_BYTE_COUNT];
  TMR_TagProtocol protocol;
  uint8_t epcByteCount;
  uint16_t crc;
  union
  {
    TMR_GEN2_TagData gen2;
  }u;
} TMR_TagData;
  
TMR_Status TMR_hexToBytes(const char *hex, uint8_t *bytes, uint32_t size, 
                          uint32_t *convertLen);

void TMR_bytesToHex(const uint8_t *bytes, uint32_t size, char *hex);

typedef enum TMR_TRD_MetadataFlag
{
  TMR_TRD_METADATA_FLAG_NONE      = 0x0000,
  TMR_TRD_METADATA_FLAG_READCOUNT = 0x0001,
  TMR_TRD_METADATA_FLAG_RSSI      = 0x0002,
  TMR_TRD_METADATA_FLAG_ANTENNAID = 0x0004,
  TMR_TRD_METADATA_FLAG_FREQUENCY = 0x0008,
  TMR_TRD_METADATA_FLAG_TIMESTAMP = 0x0010,
  TMR_TRD_METADATA_FLAG_PHASE     = 0x0020,
  TMR_TRD_METADATA_FLAG_PROTOCOL  = 0x0040,
  TMR_TRD_METADATA_FLAG_DATA      = 0x0080,
  TMR_TRD_METADATA_FLAG_GPIO_STATUS = 0x0100,
  TMR_TRD_METADATA_FLAG_ALL       =                         
                                       (TMR_TRD_METADATA_FLAG_READCOUNT |
                                        TMR_TRD_METADATA_FLAG_RSSI      |
                                        TMR_TRD_METADATA_FLAG_ANTENNAID |
                                        TMR_TRD_METADATA_FLAG_FREQUENCY |
                                        TMR_TRD_METADATA_FLAG_TIMESTAMP |
                                        TMR_TRD_METADATA_FLAG_PHASE |
                                        TMR_TRD_METADATA_FLAG_PROTOCOL  |
                                        TMR_TRD_METADATA_FLAG_DATA |
                                        TMR_TRD_METADATA_FLAG_GPIO_STATUS)
} TMR_TRD_MetadataFlag;

typedef struct TMR_TagReadData
{
  TMR_TagData tag;
  uint16_t metadataFlags;
  uint16_t phase;
  uint8_t antenna;
  TMR_GpioPin gpio[16];
  uint8_t gpioCount;
  uint32_t readCount;
  int32_t rssi;
  uint32_t frequency;
  uint32_t timestampLow;
  uint32_t timestampHigh;
  TMR_uint8List data;
  TMR_uint8List epcMemData;
  TMR_uint8List tidMemData;
  TMR_uint8List userMemData;
  TMR_uint8List reservedMemData;
  bool isAsyncRead;
  uint32_t dspMicros;
#if TMR_MAX_EMBEDDED_DATA_LENGTH

  uint8_t _dataList[TMR_MAX_EMBEDDED_DATA_LENGTH];
  uint8_t _epcMemDataList[TMR_MAX_EMBEDDED_DATA_LENGTH];
  uint8_t _tidMemDataList[TMR_MAX_EMBEDDED_DATA_LENGTH];
  uint8_t _userMemDataList[TMR_MAX_EMBEDDED_DATA_LENGTH];
  uint8_t _reservedMemDataList[TMR_MAX_EMBEDDED_DATA_LENGTH];
#endif 

  TMR_Reader *reader;
} TMR_TagReadData;

TMR_Status TMR_TRD_init(TMR_TagReadData *trd);
TMR_Status TMR_TRD_init_data(TMR_TagReadData *trd, uint16_t size, uint8_t *buf);
TMR_Status TMR_TRD_MEMBANK_init_data(TMR_uint8List *data, uint16_t size, uint8_t *buf);

#ifdef  __cplusplus
}
#endif

#endif /* __TAG_DATA_H */