From: mwalker33 <51802811+mwalker33@users.noreply.github.com>
Date: Tue, 25 Jun 2019 09:01:13 +0000 (+1000)
Subject: Merge branch 'master' into master
X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/644493821cc8053d97a6da425c398210ef6ebb1f

Merge branch 'master' into master
---

644493821cc8053d97a6da425c398210ef6ebb1f
diff --cc armsrc/lfops.c
index c56d08f9,ed207dbb..efa75652
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@@ -1198,42 -1198,46 +1198,84 @@@ void CmdIOdemodFSK(int findone, int *hi
   * and enlarge the gap ones.
   * Q5 tags seems to have issues when these values changes. 
   */
+ 
 + /*
 + // Original Timings for reference
 + 
 +#define START_GAP 31*8 // was 250 // SPEC:  1*8 to 50*8 - typ 15*8 (or 15fc)
 +#define WRITE_GAP 20*8 // was 160 // SPEC:  1*8 to 20*8 - typ 10*8 (or 10fc)
 +#define WRITE_0   18*8 // was 144 // SPEC: 16*8 to 32*8 - typ 24*8 (or 24fc)
 +#define WRITE_1   50*8 // was 400 // SPEC: 48*8 to 64*8 - typ 56*8 (or 56fc)  432 for T55x7; 448 for E5550
++=======
++
+ /* Q5 timing datasheet:
+  * Type                  |  MIN   | Typical |  Max   |
+  * Start_Gap             |  10*8  |    ?    |  50*8  |
+  * Write_Gap Normal mode |   8*8  |   14*8  |  20*8  | 
+  * Write_Gap Fast Mode   |   8*8  |    ?    |  20*8  |
+  * Write_0   Normal mode |  16*8  |   24*8  |  32*8  |
+  * Write_1   Normal mode |  48*8  |   56*8  |  64*8  |
+  * Write_0   Fast Mode   |   8*8  |   12*8  |  16*8  |
+  * Write_1   Fast Mode   |  24*8  |   28*8  |  32*8  |
+ */
+ 
+ /* T5557 timing datasheet:
+  * Type                  |  MIN   | Typical |  Max   |
+  * Start_Gap             |  10*8  |    ?    |  50*8  |
+  * Write_Gap Normal mode |   8*8  |50-150us |  30*8  | 
+  * Write_Gap Fast Mode   |   8*8  |    ?    |  20*8  |
+  * Write_0   Normal mode |  16*8  |   24*8  |  31*8  | 
+  * Write_1   Normal mode |  48*8  |   54*8  |  63*8  | 
+  * Write_0   Fast Mode   |   8*8  |   12*8  |  15*8  |
+  * Write_1   Fast Mode   |  24*8  |   28*8  |  31*8  |
+ */
+ 
+ /* T5577C timing datasheet for Fixed-Bit-Length protocol (defualt):
+  * Type                  |  MIN   | Typical |  Max   |
+  * Start_Gap             |   8*8  |   15*8  |  50*8  |
+  * Write_Gap Normal mode |   8*8  |   10*8  |  20*8  | 
+  * Write_Gap Fast Mode   |   8*8  |   10*8  |  20*8  |
+  * Write_0   Normal mode |  16*8  |   24*8  |  32*8  | 
+  * Write_1   Normal mode |  48*8  |   56*8  |  64*8  | 
+  * Write_0   Fast Mode   |   8*8  |   12*8  |  16*8  |
+  * Write_1   Fast Mode   |  24*8  |   28*8  |  32*8  |
+ */
+ 
+ //note startgap must be sent after tag has been powered up for more than 3ms (per T5557 ds)
+ #define START_GAP 31*8 //31*8 // was 250 // SPEC:  1*8 to 50*8 - typ 15*8 (or 15fc) - T5557: 10*8 to 50*8 
+ #define WRITE_GAP 20*8 //20*8 // was 160 // SPEC:  1*8 to 20*8 - typ 10*8 (or 10fc) - T5557:  8*8 to 30*8 typ 50-150us
+ #define WRITE_0   18*8 //18*8 // was 144 // SPEC: 16*8 to 32*8 - typ 24*8 (or 24fc) - T5557: 16*8 to 31*8 typ 24*8
+ #define WRITE_1   50*8 //50*8 // was 400 // SPEC: 48*8 to 64*8 - typ 56*8 (or 56fc) - T5557: 48*8 to 63*8 typ 54*8       432 for T55x7; 448 for E5550
++
  #define READ_GAP  15*8 
 +*/
 +
 +// Structure to hold Timing values.  In future will be simplier to add user changable timings.
 +typedef struct  {
 +	uint16_t  START_GAP;
 +	uint16_t  WRITE_GAP;
 +	uint16_t  WRITE_0;
 +	uint16_t  WRITE_1;
 +	uint16_t  WRITE_2;
 +	uint16_t  WRITE_3;
 +	uint16_t  READ_GAP;
 +} T55xx_Timing;
 +
 +
 +
 +// Set Initial/Default Values.  Note: *8 can occure when used.  This should keep things simplier here.
 +T55xx_Timing T55xx_Timing_FixedBit = { 31 * 8   , 20 * 8   , 18 * 8 , 50 * 8 , 0      , 0      , 15 * 8   };
 +T55xx_Timing T55xx_Timing_LLR      = { 31 * 8   , 20 * 8   , 18 * 8 , 50 * 8 , 0      , 0      , 15 * 8   };
 +T55xx_Timing T55xx_Timing_Leading0 = { 31 * 8   , 20 * 8   , 18 * 8 , 40 * 8 , 0      , 0      , 15 * 8   };
 +T55xx_Timing T55xx_Timing_1of4     = { 31 * 8   , 20 * 8   , 18 * 8 , 34 * 8 , 50 * 8 , 66 * 8 , 15 * 8   };
 +
 +
 +// Some defines for readability
 +#define T55xx_LongLeadingReference 4 // Value to tell Write Bit to send long reference
 +#define T55xx_DLMode_Fixed         0 // Default Mode
 +#define T55xx_DLMode_LLR           1 // Long Leading Reference
 +#define T55xx_DLMode_Leading0      2 // Leading Zero
 +#define T55xx_DLMode_1of4 		   3 // 1 of 4
  
  void TurnReadLFOn(int delay) {
  	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
@@@ -1501,34 -1364,45 +1543,66 @@@ void T55xxWriteBlock(uint32_t Data, uin
  }
  
  // Read one card block in page [page]
 -void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
 +void T55xxReadBlock (uint16_t arg0, uint8_t Block, uint32_t Pwd) {//, struct T55xx_Timing *Timing) {
 +	
  	LED_A_ON();
 -	bool PwdMode = arg0 & 0x1;
 -	uint8_t Page = (arg0 & 0x2) >> 1;
 -	uint32_t i = 0;
 -	bool RegReadMode = (Block == 0xFF);//regular read mode
  
 -	//clear buffer now so it does not interfere with timing later
 -	BigBuf_Clear_ext(false);
 +	/*
 +		arg bits
 +		xxxxxxx1 0x01 PwdMode
 +		xxxxxx1x 0x02 Page
 +		xxxxx1xx 0x04 testMode
 +		xxx11xxx 0x18 downlink mode
 +		xx1xxxxx 0x20 reg_readmode
 +		x1xxxxxx 0x40 called for a read, so no data packet
 +	*/
 +	
 +	// Set Read Flag to ensure SendCMD does not add "data" to the packet
 +	arg0 |= 0x40;
  
 +		
 +	if (Block == 0xff) arg0 |= 0x20;
 +	
  	//make sure block is at max 7
  	Block &= 0x7;
+ 
 +	//clear buffer now so it does not interfere with timing later
 +	BigBuf_Clear_ext(false);
 +	
 +	T55xx_SendCMD (0, Block, Pwd, arg0); //, true);
 +	
- 		
++/*	
++// the send has been moved to the above SendCMD Call
++=======
++
+ 	// Set up FPGA, 125kHz to power up the tag
+ 	LFSetupFPGAForADC(95, true);
+ 	StartTicks();
+ 	// make sure tag is fully powered up...
+ 	WaitMS(5);
+ 	// Trigger T55x7 Direct Access Mode with start gap
+ 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ 	WaitUS(START_GAP);
+ 
+ 	// Opcode 1[page]
+ 	T55xxWriteBit(1);
+ 	T55xxWriteBit(Page); //Page 0
+ 
+ 	if (PwdMode) {
+ 		// Send Pwd
+ 		for (i = 0x80000000; i != 0; i >>= 1)
+ 			T55xxWriteBit(Pwd & i);
+ 	}
+ 	// Send a zero bit separation
+ 	T55xxWriteBit(0);
+ 
+ 	// Send Block number (if direct access mode)
+ 	if (!RegReadMode)
+ 		for (i = 0x04; i != 0; i >>= 1)
+ 			T55xxWriteBit(Block & i);		
+ 
++
++*/
  	// Turn field on to read the response
  	// 137*8 seems to get to the start of data pretty well... 
  	//  but we want to go past the start and let the repeating data settle in...