#define RECV_RES_OFFSET 3096\r
#define DMA_BUFFER_OFFSET 3160\r
#define DMA_BUFFER_SIZE 4096\r
- #define TRACE_LENGTH 3000 \r
- \r
+ #define TRACE_LENGTH 3000\r
+\r
// #define RECV_CMD_OFFSET 2032 // original (working as of 21/2/09) values\r
// #define RECV_RES_OFFSET 2096 // original (working as of 21/2/09) values\r
// #define DMA_BUFFER_OFFSET 2160 // original (working as of 21/2/09) values\r
Uart.state = STATE_UNSYNCD;\r
\r
// And put the FPGA in the appropriate mode\r
+ // Signal field is off with the appropriate LED\r
+ LED_D_OFF();\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_SNIFFER);\r
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);\r
\r
{\r
// Set FPGA mode to "simulated ISO 14443 tag", no modulation (listen\r
// only, since we are receiving, not transmitting).\r
+ // Signal field is off with the appropriate LED\r
+ LED_D_OFF();\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_LISTEN);\r
\r
// Now run a `software UART' on the stream of incoming samples.\r
\r
// my desfire\r
static const BYTE response2[] = { 0x88, 0x04, 0x21, 0x3f, 0x4d }; // known uid - note cascade (0x88), 2nd byte (0x04) = NXP/Phillips\r
- \r
- \r
+\r
+\r
// When reader selects us during cascade1 it will send cmd3\r
//BYTE response3[] = { 0x04, 0x00, 0x00 }; // SAK Select (cascade1) successful response (ULTRALITE)\r
BYTE response3[] = { 0x24, 0x00, 0x00 }; // SAK Select (cascade1) successful response (DESFire)\r
//BYTE response3a[] = { 0x00, 0x00, 0x00 }; // SAK Select (cascade2) successful response (ULTRALITE)\r
BYTE response3a[] = { 0x20, 0x00, 0x00 }; // SAK Select (cascade2) successful response (DESFire)\r
ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]);\r
- \r
+\r
// When reader tries to authenticate\r
// static const BYTE cmd5[] = { 0x60, 0x00, 0xf5, 0x7b };\r
static const BYTE response5[] = { 0x00, 0x00, 0x00, 0x00 }; // Very random tag nonce\r
// buffer needs to be 512 bytes\r
int c;\r
\r
- // Set FPGA mode to "simulated ISO 14443 tag", no modulation (listen\r
+ // Set FPGA mode to "reader listen mode", no modulation (listen\r
// only, since we are receiving, not transmitting).\r
+ // Signal field is on with the appropriate LED\r
+ LED_D_ON();\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
// Now get the answer from the card\r
int traceLen = 0;\r
int rsamples = 0;\r
\r
- memset(trace, 0x44, 2000); // was 2000 - tied to oter size chnages \r
+ memset(trace, 0x44, 2000); // was 2000 - tied to oter size chnages\r
// setting it to 3000 causes no tag responses to be detected (2900 is ok)\r
// setting it to 1000 causes no tag responses to be detected\r
\r
FpgaSetupSsc();\r
\r
// Start from off (no field generated)\r
+ // Signal field is off with the appropriate LED\r
+ LED_D_OFF();\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
SpinDelay(200);\r
\r
FpgaSetupSsc();\r
\r
// Now give it time to spin up.\r
+ // Signal field is on with the appropriate LED\r
+ LED_D_ON();\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);\r
SpinDelay(200);\r
\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
- LED_D_OFF();\r
\r
int samples = 0;\r
int tsamples = 0;\r
traceLen += Demod.len;\r
if(traceLen > TRACE_LENGTH) goto done;\r
\r
-// OK we have selected at least at cascade 1, lets see if first byte of UID was 0x88 in \r
+// OK we have selected at least at cascade 1, lets see if first byte of UID was 0x88 in\r
// which case we need to make a cascade 2 request and select - this is a long UID\r
if (receivedAnswer[0] == 0x88)\r
{\r
traceLen += Demod.len;\r
if(traceLen > TRACE_LENGTH) goto done;\r
\r
-\r
-\r
-\r
-\r
-\r
- } \r
-\r
- \r
+ }\r
\r
// Secondly compute the two CRC bytes at the end\r
ComputeCrc14443(CRC_14443_A, cmd5, 2, &cmd5[2], &cmd5[3]);\r
LED_A_OFF();\r
LED_B_OFF();\r
LED_C_OFF();\r
- LED_D_OFF();\r
DbpIntegers(rsamples, 0xCC, 0xCC);\r
DbpString("ready..");\r
}\r