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chg: 'hf iclass sim 3' - now supports READ4 cmd.

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iceman1001 2019-08-04 18:16:16 +02:00
commit 7cb696c5bc
1 changed files with 17 additions and 4 deletions
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21
armsrc/iclass.c
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@ -1382,12 +1382,12 @@ int doIClassSimulation(int simulationMode, uint8_t *reader_mac_buf) {
//This is used for responding to READ-block commands or other data which is dynamically generated
//First the 'trace'-data, not encoded for FPGA
uint8_t *data_generic_trace = BigBuf_malloc(8 + 2);//8 bytes data + 2byte CRC is max tag answer
uint8_t *data_generic_trace = BigBuf_malloc((8 * 4) + 2);//8 bytes data + 2byte CRC is max tag answer
//Then storage for the modulated data
//Each bit is doubled when modulated for FPGA, and we also have SOF and EOF (2 bytes)
uint8_t *data_response = BigBuf_malloc((8 + 2) * 2 + 2);
uint8_t *data_response = BigBuf_malloc(((8 * 4) + 2) * 2 + 2);
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_TAGSIM_LISTEN);
SpinDelay(100);
StartCountSspClk();
@ -1544,7 +1544,7 @@ int doIClassSimulation(int simulationMode, uint8_t *reader_mac_buf) {
goto send;
} else if (simulationMode == MODE_FULLSIM && receivedCmd[0] == ICLASS_CMD_READ_OR_IDENTIFY && len == 4) { // 0x0C
//Read block
uint16_t blk = receivedCmd[1];
uint8_t blk = receivedCmd[1];
//Take the data...
memcpy(data_generic_trace, emulator + (blk << 3), 8);
AddCrc(data_generic_trace, 8);
@ -1555,6 +1555,19 @@ int doIClassSimulation(int simulationMode, uint8_t *reader_mac_buf) {
modulated_response = data_response;
modulated_response_size = ToSendMax;
goto send;
} else if (simulationMode == MODE_FULLSIM && receivedCmd[0] == ICLASS_CMD_READ4 && len == 4) { // 0x06
//Read block
uint8_t blk = receivedCmd[1];
//Take the data...
memcpy(data_generic_trace, emulator + (blk << 3), 8 * 4);
AddCrc(data_generic_trace, 8 * 4);
trace_data = data_generic_trace;
trace_data_size = 34;
CodeIClassTagAnswer(trace_data, trace_data_size);
memcpy(data_response, ToSend, ToSendMax);
modulated_response = data_response;
modulated_response_size = ToSendMax;
goto send;
} else if (simulationMode == MODE_FULLSIM && receivedCmd[0] == ICLASS_CMD_UPDATE) {
//Probably the reader wants to update the nonce. Let's just ignore that for now.