}\r
int usage_t55xx_write(){\r
PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");\r
- PrintAndLog(" <block>, block number to read. Between 0-7");\r
+ PrintAndLog(" <block>, block number to write. Between 0-7");\r
PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");\r
PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");\r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
- PrintAndLog(" lf t55xx wd 3 11223344 - write 11223344 to block 3");\r
- PrintAndLog(" lf t55xx wd 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");\r
+ PrintAndLog(" lf t55xx wr 3 11223344 - write 11223344 to block 3");\r
+ PrintAndLog(" lf t55xx wr 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");\r
PrintAndLog("");\r
return 0;\r
}\r
\r
bool DecodeT55xxBlock(){\r
\r
- char buf[10] = {0x00};\r
+ char buf[30] = {0x00};\r
char *cmdStr = buf;\r
int ans = 0;\r
uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};\r
-\r
DemodBufferLen = 0x00;\r
\r
//trim 1/2 a clock from beginning\r
snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 );\r
CmdLtrim(cmdStr);\r
-\r
switch( config.modulation ){\r
case DEMOD_FSK:\r
snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );\r
break;\r
case DEMOD_ASK:\r
snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted );\r
- ans = ASKmanDemod(cmdStr, FALSE, FALSE);\r
+ ans = ASKDemod(cmdStr, FALSE, FALSE, 1);\r
break;\r
case DEMOD_PSK1:\r
snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted );\r
char cmdStr[8] = {0};\r
uint8_t hits = 0;\r
t55xx_conf_block_t tests[15];\r
- \r
+ int bitRate=0;\r
+ uint8_t fc1 = 0, fc2 = 0, clk=0;\r
+ save_restoreGB(1);\r
if (GetFskClock("", FALSE, FALSE)){ \r
- uint8_t fc1 = 0, fc2 = 0, clk=0;\r
fskClocks(&fc1, &fc2, &clk, FALSE);\r
sprintf(cmdStr,"%d", clk/2);\r
CmdLtrim(cmdStr);\r
- if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset)){\r
+ if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)){\r
tests[hits].modulation = DEMOD_FSK;\r
if (fc1==8 && fc2 == 5)\r
tests[hits].modulation = DEMOD_FSK1a;\r
else if (fc1==10 && fc2 == 8)\r
tests[hits].modulation = DEMOD_FSK2;\r
-\r
+ tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
++hits;\r
}\r
- if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset)) {\r
+ if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)) {\r
tests[hits].modulation = DEMOD_FSK;\r
- if (fc1==8 && fc2 == 5)\r
+ if (fc1 == 8 && fc2 == 5)\r
tests[hits].modulation = DEMOD_FSK1;\r
- else if (fc1==10 && fc2 == 8)\r
+ else if (fc1 == 10 && fc2 == 8)\r
tests[hits].modulation = DEMOD_FSK2a;\r
\r
+ tests[hits].bitrate = bitRate;\r
tests[hits].inverted = TRUE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
++hits;\r
}\r
} else {\r
- if ( ASKmanDemod("0 0 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) {\r
- tests[hits].modulation = DEMOD_ASK;\r
- tests[hits].inverted = FALSE;\r
- tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
- ++hits;\r
+ clk = GetAskClock("", FALSE, FALSE);\r
+ if (clk>0) {\r
+ sprintf(cmdStr,"%d", clk/2);\r
+ CmdLtrim(cmdStr);\r
+ if ( ASKDemod("0 0 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) {\r
+ tests[hits].modulation = DEMOD_ASK;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
}\r
-\r
- if ( ASKmanDemod("0 1 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) {\r
- tests[hits].modulation = DEMOD_ASK;\r
- tests[hits].inverted = TRUE;\r
- tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
- ++hits;\r
+ if ( ASKDemod("0 1 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) {\r
+ tests[hits].modulation = DEMOD_ASK;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = TRUE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ if ( ASKbiphaseDemod("0 0 0 0", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate) ) {\r
+ tests[hits].modulation = DEMOD_BI;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ if ( ASKbiphaseDemod("0 0 1 0", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate) ) {\r
+ tests[hits].modulation = DEMOD_BIa;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = TRUE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
}\r
- \r
- if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) {\r
- tests[hits].modulation = DEMOD_NRZ;\r
- tests[hits].inverted = FALSE;\r
- tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
- ++hits;\r
}\r
+ //undo trim from ask\r
+ save_restoreGB(0);\r
+ clk = GetNrzClock("", FALSE, FALSE);\r
+ if (clk>0) {\r
+ sprintf(cmdStr,"%d", clk/2);\r
+ CmdLtrim(cmdStr);\r
+ if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) {\r
+ tests[hits].modulation = DEMOD_NRZ;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
\r
- if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) {\r
- tests[hits].modulation = DEMOD_NRZ;\r
- tests[hits].inverted = TRUE;\r
- tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
- ++hits;\r
+ if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) {\r
+ tests[hits].modulation = DEMOD_NRZ;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = TRUE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
}\r
- \r
- if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) {\r
- tests[hits].modulation = DEMOD_PSK1;\r
- tests[hits].inverted = FALSE;\r
- tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
- ++hits;\r
}\r
\r
- if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) {\r
- tests[hits].modulation = DEMOD_PSK1;\r
- tests[hits].inverted = TRUE;\r
- tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
- ++hits;\r
- }\r
-\r
- // PSK2 - needs a call to psk1TOpsk2.\r
- if ( PSKDemod("0 0 1", FALSE)) {\r
- psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
- if (test(DEMOD_PSK2, &tests[hits].offset)){\r
- tests[hits].modulation = DEMOD_PSK2;\r
+ //undo trim from nrz\r
+ save_restoreGB(0);\r
+ clk = GetPskClock("", FALSE, FALSE);\r
+ if (clk>0) {\r
+ PrintAndLog("clk %d",clk);\r
+ sprintf(cmdStr,"%d", clk/2);\r
+ CmdLtrim(cmdStr); \r
+ if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) {\r
+ tests[hits].modulation = DEMOD_PSK1;\r
+ tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
++hits;\r
}\r
- } // inverse waves does not affect this demod\r
-\r
- // PSK3 - needs a call to psk1TOpsk2.\r
- if ( PSKDemod("0 0 1", FALSE)) {\r
- psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
- if (test(DEMOD_PSK3, &tests[hits].offset)){\r
- tests[hits].modulation = DEMOD_PSK3;\r
- tests[hits].inverted = FALSE;\r
+ if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) {\r
+ tests[hits].modulation = DEMOD_PSK1;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = TRUE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
++hits;\r
}\r
- } // inverse waves does not affect this demod\r
- \r
- if ( ASKbiphaseDemod("0 0 0 1", FALSE) && test(DEMOD_BI, &tests[hits].offset) ) {\r
- tests[hits].modulation = DEMOD_BI;\r
- tests[hits].inverted = FALSE;\r
- tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
- ++hits;\r
- }\r
- if ( ASKbiphaseDemod("0 0 1 1", FALSE) && test(DEMOD_BIa, &tests[hits].offset) ) {\r
- tests[hits].modulation = DEMOD_BIa;\r
- tests[hits].inverted = TRUE;\r
- tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
- ++hits;\r
+ // PSK2 - needs a call to psk1TOpsk2.\r
+ if ( PSKDemod("0 0 1", FALSE)) {\r
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
+ if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate)){\r
+ tests[hits].modulation = DEMOD_PSK2;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ } // inverse waves does not affect this demod\r
+ // PSK3 - needs a call to psk1TOpsk2.\r
+ if ( PSKDemod("0 0 1", FALSE)) {\r
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
+ if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate)){\r
+ tests[hits].modulation = DEMOD_PSK3;\r
+ tests[hits].bitrate = bitRate;\r
+ tests[hits].inverted = FALSE;\r
+ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ ++hits;\r
+ }\r
+ } // inverse waves does not affect this demod\r
}\r
} \r
if ( hits == 1) {\r
config.modulation = tests[0].modulation;\r
+ config.bitrate = tests[0].bitrate;\r
config.inverted = tests[0].inverted;\r
config.offset = tests[0].offset;\r
config.block0 = tests[0].block0;\r
case DEMOD_FSK2:\r
case DEMOD_FSK2a:\r
detRate = GetFskClock("",FALSE, FALSE); \r
- if (expected[readRate] == detRate) {\r
- config.bitrate = readRate;\r
+ if (expected[readRate] == detRate) \r
return TRUE;\r
- }\r
break;\r
case DEMOD_ASK:\r
case DEMOD_BI:\r
case DEMOD_BIa:\r
detRate = GetAskClock("",FALSE, FALSE); \r
- if (expected[readRate] == detRate) {\r
- config.bitrate = readRate;\r
+ if (expected[readRate] == detRate) \r
return TRUE;\r
- }\r
break;\r
case DEMOD_PSK1:\r
case DEMOD_PSK2:\r
case DEMOD_PSK3:\r
detRate = GetPskClock("",FALSE, FALSE); \r
- if (expected[readRate] == detRate) {\r
- config.bitrate = readRate;\r
+ if (expected[readRate] == detRate)\r
return TRUE;\r
- }\r
break;\r
case DEMOD_NRZ:\r
detRate = GetNrzClock("",FALSE, FALSE); \r
- if (expected[readRate] == detRate) {\r
- config.bitrate = readRate;\r
+ if (expected[readRate] == detRate)\r
return TRUE;\r
- }\r
break;\r
default:\r
return FALSE;\r
return FALSE;\r
}\r
\r
-bool test(uint8_t mode, uint8_t *offset){\r
+bool test(uint8_t mode, uint8_t *offset, int *fndBitRate){\r
\r
- if ( !DemodBufferLen) return FALSE;\r
+ if ( DemodBufferLen < 64 ) return FALSE;\r
uint8_t si = 0;\r
for (uint8_t idx = 0; idx < 64; idx++){\r
si = idx;\r
if ( resv > 0x00) continue;\r
\r
uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate\r
- uint8_t bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate\r
+ int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate\r
+ if (bitRate > 7) continue;\r
uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode\r
uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1; \r
//uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr\r
//test modulation\r
if (!testModulation(mode, modread)) continue;\r
if (!testBitRate(bitRate, mode)) continue;\r
+ *fndBitRate = bitRate;\r
*offset = idx;\r
return TRUE;\r
}\r
\r
if (strlen(Cmd)==0)\r
AquireData( CONFIGURATION_BLOCK );\r
- \r
+\r
if (!DecodeT55xxBlock()) return 1;\r
\r
- if ( !DemodBufferLen) return 1;\r
+ if ( DemodBufferLen < 32) return 1;\r
\r
uint8_t si = config.offset;\r
uint32_t bl0 = PackBits(si, 32, DemodBuffer);\r
}\r
\r
char * GetBitRateStr(uint32_t id){\r
- static char buf[20];\r
+ static char buf[25];\r
+\r
char *retStr = buf;\r
switch (id){\r
case 0: \r
projects / proxmark3-svn / blobdiff