//-----------------------------------------------------------------------------
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Low frequency T55xx commands
//-----------------------------------------------------------------------------

#ifndef CMDLFT55XX_H__
#define CMDLFT55XX_H__

// config blocks
#define T55X7_DEFAULT_CONFIG_BLOCK      0x000880E8      // compat mode, data rate 32, manchester, ST, 7 data blocks
#define T55X7_RAW_CONFIG_BLOCK          0x000880E0      // compat mode, data rate 32, manchester, 7 data blocks

#define T55X7_EM_UNIQUE_CONFIG_BLOCK    0x00148040      // emulate em4x02/unique - compat mode, manchester, data rate 64, 2 data blocks


// FDXB requires data inversion and BiPhase 57 is simply BipHase 50 inverted, so we can either do it using the modulation scheme or the inversion flag
// we've done both below to prove that it works either way, and the modulation value for BiPhase 50 in the Atmel data sheet of binary "10001" (17) is a typo,
// and it should actually be "10000" (16)
// #define T55X7_FDXB_CONFIG_BLOCK         903F8080  // emulate fdx-b - xtended mode, BiPhase ('57), data rate 32, 4 data blocks
#define T55X7_FDXB_CONFIG_BLOCK         0x903F0082  // emulate fdx-b - xtended mode, BiPhase ('50), invert data, data rate 32, 4 data blocks
#define T55X7_HID_26_CONFIG_BLOCK       0x00107060  // hid 26 bit - compat mode, FSK2a, data rate 50, 3 data blocks
#define T55X7_INDALA_64_CONFIG_BLOCK    0x00081040  // emulate indala 64 bit - compat mode, PSK1, psk carrier FC * 2, data rate 32, maxblock 2
#define T55X7_INDALA_224_CONFIG_BLOCK   0x000810E0  // emulate indala 224 bit - compat mode, PSK1, psk carrier FC * 2, data rate 32, maxblock 7
#define T55X7_GUARDPROXII_CONFIG_BLOCK	0x00150060	// bitrate 64pcb, Direct modulation, Biphase, 3 data blocks
#define T55X7_VIKING_CONFIG_BLOCK		0x00088040	// compat mode, data rate 32, Manchester, 2 data blocks
#define T55X7_NORALYS_CONFIG_BLOCK		0x00088C6A	// compat mode,   (NORALYS - KCP3000)
#define T55X7_IOPROX_CONFIG_BLOCK		0x00147040  // maxblock 2
#define T55X7_bin 0b0010

#define T5555_DEFAULT_CONFIG_BLOCK		0x6001F004  // data rate 64 , ask, manchester, 2 data blocks?
enum {
	T55x7_RAW = 0x00,
	T55x7_DEFAULT = 0x00,
	T5555_DEFAULT = 0x01,
	EM_UNIQUE  = 0x0,
	FDBX = 0x02,
	HID_26 = 0x03,
	INDALA_64 = 0x04,
	INDALA_224 = 0x05,
	GUARDPROXXII = 0x06,
	VIKING = 0x07,
	NORALSYS = 0x08,
	IOPROX = 0x09,
} t55xx_tag;

typedef struct {
	uint32_t bl1;
	uint32_t bl2; 
	uint32_t acl; 
	uint32_t mfc; 
	uint32_t cid; 
	uint32_t year; 
	uint32_t quarter; 
	uint32_t icr;
	uint32_t lotid; 
	uint32_t wafer; 
	uint32_t dw;
} t55xx_tracedata_t;

typedef struct {
	uint32_t bl1;
	uint32_t bl2;
	uint32_t icr;
	char lotidc;
	uint32_t lotid;
	uint32_t wafer;
	uint32_t dw;
} t5555_tracedata_t;

typedef struct {
	enum {
		DEMOD_NRZ  = 0x00,    
		DEMOD_PSK1 = 0x01,
		DEMOD_PSK2 = 0x02,
		DEMOD_PSK3 = 0x03,
		DEMOD_FSK1  = 0x04,     
		DEMOD_FSK1a = 0x05,     
		DEMOD_FSK2  = 0x06,     
		DEMOD_FSK2a = 0x07, 
		DEMOD_FSK   = 0xF0, //generic FSK (auto detect FCs)    
		DEMOD_ASK  = 0x08,
		DEMOD_BI   = 0x10,
		DEMOD_BIa  = 0x18,		
	}  modulation;
	bool inverted;
	uint8_t offset;
	uint32_t block0;
	enum {
		RF_8 = 0x00,
		RF_16 = 0x01,
		RF_32 = 0x02,
		RF_40 = 0x03,
		RF_50 = 0x04,
		RF_64 = 0x05,
		RF_100 = 0x06,
		RF_128 = 0x07,
	} bitrate;
	bool Q5;
} t55xx_conf_block_t;
t55xx_conf_block_t Get_t55xx_Config();
void Set_t55xx_Config(t55xx_conf_block_t conf);


int CmdLFT55XX(const char *Cmd);
int CmdT55xxSetConfig(const char *Cmd);
int CmdT55xxReadBlock(const char *Cmd);
int CmdT55xxWriteBlock(const char *Cmd);
int CmdT55xxReadTrace(const char *Cmd);
int CmdT55xxInfo(const char *Cmd);
int CmdT55xxDetect(const char *Cmd);
int CmdResetRead(const char *Cmd);
int CmdT55xxWipe(const char *Cmd);
int CmdT55xxBruteForce(const char *Cmd);

char * GetBitRateStr(uint32_t id);
char * GetSaferStr(uint32_t id);
char * GetModulationStr( uint32_t id);
char * GetModelStrFromCID(uint32_t cid);
char * GetSelectedModulationStr( uint8_t id);
uint32_t PackBits(uint8_t start, uint8_t len, uint8_t *bitstream);
void printT5xxHeader(uint8_t page);
void printT55xxBlock(const char *demodStr);
int printConfiguration( t55xx_conf_block_t b);

bool DecodeT55xxBlock();
bool tryDetectModulation();
bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5);
int special(const char *Cmd);
int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password );

bool detectPassword(int password);

void printT55xxTrace( t55xx_tracedata_t data, uint8_t repeat );
void printT5555Trace( t5555_tracedata_t data, uint8_t repeat );

#endif
