/*
*-------------------------------------------------------------------------------
*--  RCSId: $Id: level1.h,v 1.50 2005-04-12 14:54:27+02 mjg Exp mjg $
*--         $Name:  $
*-------------------------------------------------------------------------------
*-- main.c (level1) header file
*-------------------------------------------------------------------------------
*-- $Log: level1.h,v $
*-- Revision 1.50  2005-04-12 14:54:27+02  mjg
*-- switch to normal mode
*--
*-- Revision 1.49  2005-03-21 17:01:04+01  mjg
*-- Uplink timing tuned
*--
*-- Revision 1.47  2005-02-28 13:35:29+01  mjg
*-- EM4006 uid crc check
*--
*-- Revision 1.46  2005-02-25 11:23:13+01  mjg
*-- EM4006 extraction routine, no crc check
*--
*-- Revision 1.45  2005-02-25 11:19:40+01  mjg
*-- EM4006 extraction routine, no crc check
*--
*-- Revision 1.44  2005-02-25 09:12:49+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 18:13:55+01  mjg
*-- hubneme IV
*--
*-- Revision 1.41  2005-02-21 10:56:31+01  mjg
*-- hubneme III
*--
*-- Revision 1.40  2005-02-21 10:47:42+01  mjg
*-- hubneme III
*--
*-- Revision 1.39  2005-02-21 10:45:25+01  mjg
*-- hubneme III
*--
*-- Revision 1.38  2005-01-19 15:53:51+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 09:23:27+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 16:59:06+01  mjg
*-- to check SPI
*--
*-- Revision 1.20  2004-02-16 08:04:11+01  mjg
*-- preliminary CD
*--
*-- Revision 1.18  2004-02-10 19:24:40+01  mjg
*-- FSK to add valid bits
*--
*-- Revision 1.17  2004-02-10 18:30:46+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 12:30:52+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 08:42:51+01  mjg
*-- hubneme II
*--
*-- Revision 1.12  2004-02-03 07:24:37+01  mjg
*-- fwd debug implemented and removed from being compiled
*--
*-- Revision 1.10  2004-02-03 07:24:20+01  mjg
*-- fwd debug implemented and removed from being compiled
*--
*-- Revision 1.9  2003-12-11 17:37:20+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 1.4  2003-12-05 13:37:13+01  mjg
*-- Reset2Ready, GetSystemInfo
*--
*-- Revision 1.3  2003-12-05 08:38:56+01  mjg
*-- write update
*--
*-- Revision 1.2  2003-12-04 15:58:08+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
*--
*-- Revision 1.0  2003-10-24 08:38:29+02  mjg
*-- CD_1
*--
*-- Revision 0.17  2003-10-10 10:55:40+02  mjg
*-- *** empty log message ***
*--
*-- Revision 0.16  2003-08-21 16:00:21+02  mjg
*-- RTF capture problem
*--
*-- Revision 0.15  2003-08-20 10:53:20+02  mjg
*-- to redesign SearchPattern
*--
*-- Revision 0.14  2003-08-20 10:00:46+02  mjg
*-- to add debug features
*--
*-- Revision 0.13  2003-08-07 08:01:30+02  mjg
*-- *** empty log message ***
*--
*-- Revision 0.11  2003-07-22 13:27:24+02  mjg
*-- cloned firmware
*--
*-------------------------------------------------------------------------------
*/

#ifndef __LEVEL1__
#define __LEVEL1__

//constants----------------------------------------------------------

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

extern uint16_t halfDataRate;         //half period downlink data rate modul
extern uint8_t pulsesPerBit;          //8 pulses for low data rate, 32 for high
extern uint8_t sof;                   //sof and eof indication

extern uint8_t forward_link_type;     //forward link modulation type
extern uint8_t decode_number;         //decoder routine number
extern void (*decode)(void);          //decoder routine variable

register uint8_t currentMaxTimeHi asm ("r10");          //actual hi value of maximum capture time

extern uint16_t EM4006_bitRate;       //bit rate of EM4006 tag
extern uint8_t EM4006_scale;          //scale of EM4006 bit rate 

extern uint8_t watchdog_reset;        //watchdog reset flag

//global register variables-------------------------------------------

register uint8_t captured_byte asm ("r6");      //store_bit current capture bits
register uint8_t captured_valid asm ("r7");     //store_bit current capture valid bits
register uint8_t capture_cnt asm ("r8");        //store_bit current capture byte index
register uint8_t captured_bit_count asm ("r9"); //store_bit current capture bit counter

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

extern void Wait(uint16_t period);    //wait specified number of RF*32 clocks

#endif // __LEVEL1__