/*
*-------------------------------------------------------------------------------
*--  RCSId: $Id: level4.h,v 1.50 2005-04-12 14:54:27+02 mjg Exp mjg $
*--         $Name:  $
*-------------------------------------------------------------------------------
*-- level4.c - UART Communication Routines header file
*-------------------------------------------------------------------------------
*-- $Log: level4.h,v $*-- Revision 1.50  2005-04-12 14:54:27+02  mjg*-- switch to normal mode*--
*-- Revision 1.49  2005-03-21 17:01:05+01  mjg
*-- Uplink timing tuned
*--
*-- Revision 1.47  2005-02-28 13:35:30+01  mjg
*-- EM4006 uid crc check
*--
*-- Revision 1.46  2005-02-25 11:23:13+01  mjg
*-- EM4006 extraction routine, no crc check
*--
*-- Revision 1.44  2005-02-25 09:12:50+01  mjg
*-- EM4006 decode mode
*--
*-- Revision 1.43  2005-02-23 16:04:15+01  mjg
*-- EM4006 raw mode, not tested
*--
*-- Revision 1.42  2005-02-21 18:13:56+01  mjg
*-- hubneme IV
*--
*-- Revision 1.41  2005-02-21 10:56:31+01  mjg
*-- hubneme III
*--
*-- Revision 1.38  2005-01-19 15:53:52+01  mjg
*-- EM4034 EAS off support corrected
*--
*-- Revision 1.37  2004-12-13 08:49:33+01  mjg
*-- compiler sensitive code in HWTransaction
*--
*-- Revision 1.36  2004-12-07 17:22:17+01  mjg
*-- version 4 of 1TS ready
*--
*-- Revision 1.35  2004-12-07 15:22:21+01  mjg
*-- 1.33 strikes back!
*--
*-- Revision 1.33  2004-06-30 12:47:41+02  mjg
*-- key selection extension
*--
*-- Revision 1.32  2004-05-31 16:41:51+02  mjg
*-- single carrier too slow caused CRC errors, speeded up
*--
*-- Revision 1.31  2004-05-21 09:29:37+02  mjg
*-- startup inventory, to toggle EAS off for EM4034
*--
*-- Revision 1.30  2004-05-10 09:23:28+02  mjg
*-- to toggle EAS off
*--
*-- Revision 1.29  2004-05-07 08:10:25+02  mjg
*-- HW auth passed
*--
*-- Revision 1.28  2004-04-27 17:05:44+02  mjg
*-- to better test the design
*--
*-- Revision 1.27  2004-04-21 15:48:47+02  mjg
*-- FSK low data rate support
*--
*-- Revision 1.26  2004-04-21 13:05:21+02  mjg
*-- EOF ignored because of FSK and 4034 support
*--
*-- Revision 1.25  2004-04-13 11:21:39+02  mjg
*-- sync
*--
*-- Revision 1.24  2004-03-25 16:09:19+01  mjg
*-- to add delayed EOF feature
*--
*-- Revision 1.23  2004-03-25 15:13:23+01  mjg
*-- to add delayed EOF feature
*--
*-- Revision 1.22  2004-03-24 13:35:36+01  mjg
*-- error msg needs better handling
*--
*-- Revision 1.21  2004-03-15 16:59:07+01  mjg
*-- to check SPI
*--
*-- Revision 1.20  2004-02-16 08:04:12+01  mjg
*-- preliminary CD
*--
*-- Revision 1.18  2004-02-10 19:24:41+01  mjg
*-- FSK to add valid bits
*--
*-- Revision 1.17  2004-02-10 18:30:47+01  mjg
*-- dual carrier raw, decoded 1st try
*--
*-- Revision 1.16  2004-02-09 18:03:33+01  mjg
*-- raw dual carrier capture
*--
*-- Revision 1.15  2004-02-08 12:30:53+01  mjg
*-- Decode var removed, FSK polling added
*--
*-- Revision 1.14  2004-02-07 14:59:47+01  mjg
*-- Response parsing correction
*--
*-- Revision 1.13  2004-02-03 08:42:52+01  mjg
*-- hubneme II
*--
*-- Revision 1.12  2004-02-03 07:24:37+01  mjg
*-- fwd debug implemented and removed from being compiled
*--
*-- Revision 1.11  2004-01-19 14:08:05+01  mjg
*-- hubneme I
*--
*-- Revision 1.10  2004-01-14 14:57:35+01  mjg
*-- to Invenotry version 2
*--
*-- Revision 1.9  2003-12-11 17:37:21+01  mjg
*-- yes
*--
*-- Revision 1.8  2003-12-11 16:33:41+01  mjg
*-- 1TS gives too much responses, stayquiet ?
*--
*-- Revision 1.7  2003-12-10 08:15:48+01  mjg
*-- to add dbg code
*--
*-- Revision 1.6  2003-12-09 12:43:01+01  mjg
*-- to 1TS inventory
*--
*-- Revision 1.5  2003-12-09 12:42:44+01  mjg
*-- to 1TS inventory
*--
*-- Revision 1.4  2003-12-05 13:37:15+01  mjg
*-- Reset2Ready, GetSystemInfo
*--
*-- Revision 1.3  2003-12-05 08:38:56+01  mjg
*-- write update
*--
*-- Revision 1.2  2003-12-04 15:58:09+01  mjg
*-- to write
*--
*-- Revision 1.1  2003-12-01 08:18:04+01  mjg
*-- single carrier low drate level1 ok
*--
*-- Revision 1.0  2003-11-26 09:01:03+01  mjg
*-- Initial revision
*--
*-------------------------------------------------------------------------------
*/

#ifndef __LEVEL4__
#define __LEVEL4__

//// to enable debug features, uncomment following: 
//#define DEBUG

//constants----------------------------------------------------------
#define READER_RELEASE 0x0F             //release
#define READER_DATE      11
#define READER_MONTH      4
#define READER_YEAR       5
#define READER_FAMILY    32

//error list---------------------------------------------------------
#define UART_MESSAGE_OK            0x00
#define ERR_ASIC_ANTENNA_FAULT     0x01
#define ERR_UART_ERROR_FLAG        0x04
#define ERR_UART_OVERFLOW          0x05
#define ERR_UART_WRONG_ICMD        0x06
#define ERR_UART_BAD_CRC           0x07
#define ERR_UART_UNKNOWN_CMD       0x08
#define ERR_UART_NO_ETX            0x09
#define ERR_UART_INTERBYTE_ERR     0x0A

#define ERR_EM4035_WRONG_LEN       0x0B     
#define ERR_EM4035_NO_EOF          0x0C
#define ERR_EM4035_WRONG_DR        0x0D
#define ERR_EM4035_ERROR_MSG       0x0E
#define ERR_EM4035_BAD_CONF_DATA   0x0F

#define ERR_EM4035_RAW_DATA        0x10
#define ERR_EM4035_CAPT_DATA       0x11
#define ERR_EM4035_NO_TAG          0x12
#define ERR_EM4035_BAD_CRC         0x13
#define ERR_EM4035_BUFFER_OVERFLOW 0x14
#define ERR_EM4035_NO_SOF          0x15

#define ERR_EM4035_SELECT_FAILED   0x16
#define ERR_EM4035_A1_NO_SOF       0x17
#define ERR_EM4035_A1_CRC_ERROR    0x18
#define ERR_EM4035_A1_FAILED       0x19
#define ERR_EM4035_A2_NO_SOF       0x1A
#define ERR_EM4035_A2_CRC_ERROR    0x1B
#define ERR_EM4035_A2_FAILED       0x1C
#define ERR_EM4035_AUTH_FAILED     0x1D

#define ERR_EM4035_TAG_NORMAL      0x30
#define ERR_EM4035_NM_READ_FAILED  0x31
#define ERR_EM4035_NM_AUTH_FAILED  0x32
#define ERR_EM4035_NM_CRC_ERROR    0x33

//public variables---------------------------------------------------

extern uint8_t volatile uart_read_bytes;       // 
extern uint8_t volatile uart_read_msg_bytes;   //

extern uint8_t volatile uart_command;          // command handshake value
                                               // set by UART RECV
                                               // reset by main() when done

extern uint8_t cmd_message[32];                // maximum
extern uint8_t cmd_message_len;                // length of current cmd_message
extern uint8_t message_flags;                  // current message flags
extern uint8_t expectedResponseLen;            // expected number of response bits

extern uint8_t read_tag_memory_word_address;   // address of Read cmd
extern uint16_t read_tag_memory_word_low;      // Read Cmd content low
extern uint16_t read_tag_memory_word_hi;       // Read Cmd content hi

extern uint16_t write_tag_memory_word_address; // address of Write Tag cmd
extern uint16_t write_tag_memory_word_low;     // low word of Write Tag cmd
extern uint16_t write_tag_memory_word_hi;      // hi word of Write Tag cmd
extern uint16_t write_tag_memory_delay;        // time delay before eof/response

extern uint16_t write_tag_memory_login_low;    // low word of Login cmd
extern uint16_t write_tag_memory_login_hi;     // hi word of Login cmd

extern uint16_t read_only_word_low;            // Read Only Cmd content low
extern uint16_t read_only_word_hi;             // Read Only Cmd content hi

extern uint16_t write_4094_low;                // low word of SPI configuration word
extern uint16_t write_4094_hi;                 // hi word of SPI configuration word

extern uint8_t switch_coil_byte;               // switch item of Set Coil cmd

extern uint8_t config_data_rate;               // see EM4469 spec
extern uint8_t config_encoder;                 // see EM4469 spec
extern uint8_t config_delayed;                 // see EM4469 spec
extern uint8_t config_lwr;                     // see EM4469 spec
extern uint8_t config_raw;                     // see EM4469 spec
extern uint8_t config_forward_link;            // 0=4050 type, 1=other
extern uint8_t config_write_conf;              // 1=write this configuration into the EEPROM

extern uint8_t volatile read_pos;              // debug uart data ptr
extern uint8_t * read_ptr;                     // debug uart read ptr

extern uint8_t fwd_set_0;                      // forwadlink pulse length values to be set
extern uint8_t fwd_set_A;
extern uint8_t fwd_set_B;
extern uint8_t fwd_set_C;
extern uint8_t fwd_set_D;
extern uint8_t fwd_set_E;
extern uint8_t fwd_set_F;

extern uint8_t debug_mode;

//function declarations----------------------------------------------

extern void UARTIni(void);                    // initialization of UART

extern void Copy(uint8_t *dst, uint8_t *src, uint8_t len);

extern uint8_t CheckIncommingMessage(void);

extern uint8_t Block_Output (uint8_t cnt, uint8_t *data);
extern void FormatResponse_Short(uint8_t, uint8_t); //Formats the short type response into the output buffer
extern void FormatResponse_Data(uint8_t cmd, uint8_t ack, uint8_t cnt, uint8_t *data);
extern void SendCaptureData( uint8_t cmd, uint8_t ack );
extern void SendByte(uint8_t byte);

#endif // __LEVEL4__