LF demod/cmd code cleanup + new lf search

[proxmark3-svn] / armsrc / appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index cfde4fbb63733bf87d257eed430e1fd9a2e36c64..57c485e878b0c15cee795319d8561d004210e31e 100644 (file)
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -36,7 +36,8 @@
 // is the order in which they go out on the wire.
 //=============================================================================
 
 // is the order in which they go out on the wire.
 //=============================================================================
 

-uint8_t ToSend[512];
+#define TOSEND_BUFFER_SIZE (9*MAX_FRAME_SIZE + 1 + 1 + 2)  // 8 data bits and 1 parity bit per payload byte, 1 correction bit, 1 SOC bit, 2 EOC bits 
+uint8_t ToSend[TOSEND_BUFFER_SIZE];

 int ToSendMax;
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));
 int ToSendMax;
 static int ToSendBit;
 struct common_area common_area __attribute__((section(".commonarea")));


@@ -67,7 +68,7 @@ void ToSendStuffBit(int b)
 
        ToSendBit++;
 
 
        ToSendBit++;
 

-       if(ToSendBit >= sizeof(ToSend)) {
+       if(ToSendMax >= sizeof(ToSend)) {

                ToSendBit = 0;
                DbpString("ToSendStuffBit overflowed!");
        }
                ToSendBit = 0;
                DbpString("ToSendStuffBit overflowed!");
        }


@@ -195,15 +196,11 @@ int AvgAdc(int ch) // was static - merlok
 
 void MeasureAntennaTuning(void)
 {
 
 void MeasureAntennaTuning(void)
 {

-       uint8_t *dest = (uint8_t *)BigBuf+FREE_BUFFER_OFFSET;
+       uint8_t LF_Results[256];

        int i, adcval = 0, peak = 0, peakv = 0, peakf = 0; //ptr = 0 
        int vLf125 = 0, vLf134 = 0, vHf = 0;    // in mV
 
        int i, adcval = 0, peak = 0, peakv = 0, peakf = 0; //ptr = 0 
        int vLf125 = 0, vLf134 = 0, vHf = 0;    // in mV
 

-//     UsbCommand c;
-
-  LED_B_ON();
-       DbpString("Measuring antenna characteristics, please wait...");
-       memset(dest,0,sizeof(FREE_BUFFER_SIZE));
+       LED_B_ON();

 
 /*
  * Sweeps the useful LF range of the proxmark from
 
 /*
  * Sweeps the useful LF range of the proxmark from


@@ -214,8 +211,9 @@ void MeasureAntennaTuning(void)
  * ( hopefully around 95 if it is tuned to 125kHz!)
  */
   
  * ( hopefully around 95 if it is tuned to 125kHz!)
  */
   

-       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
-       for (i=255; i>19; i--) {
+       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+       for (i=255; i>=19; i--) {

     WDT_HIT();
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);
     WDT_HIT();
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);


@@ -225,35 +223,31 @@ void MeasureAntennaTuning(void)
                if (i==95)      vLf125 = adcval; // voltage at 125Khz
                if (i==89)      vLf134 = adcval; // voltage at 134Khz
 
                if (i==95)      vLf125 = adcval; // voltage at 125Khz
                if (i==89)      vLf134 = adcval; // voltage at 134Khz
 

-               dest[i] = adcval>>8; // scale int to fit in byte for graphing purposes
-               if(dest[i] > peak) {
+               LF_Results[i] = adcval>>8; // scale int to fit in byte for graphing purposes
+               if(LF_Results[i] > peak) {

                        peakv = adcval;
                        peakv = adcval;

-                       peak = dest[i];
+                       peak = LF_Results[i];

                        peakf = i;
                        //ptr = i;
                }
        }
 
                        peakf = i;
                        //ptr = i;
                }
        }
 

-  LED_A_ON();
+       for (i=18; i >= 0; i--) LF_Results[i] = 0;
+       
+       LED_A_ON();

        // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
        // Let the FPGA drive the high-frequency antenna around 13.56 MHz.

+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(20);
        // Vref = 3300mV, and an 10:1 voltage divider on the input
        // can measure voltages up to 33000 mV
        vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
 
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
        SpinDelay(20);
        // Vref = 3300mV, and an 10:1 voltage divider on the input
        // can measure voltages up to 33000 mV
        vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
 

-//     c.cmd = CMD_MEASURED_ANTENNA_TUNING;
-//     c.arg[0] = (vLf125 << 0) | (vLf134 << 16);
-//     c.arg[1] = vHf;
-//     c.arg[2] = peakf | (peakv << 16);
-
-  DbpString("Measuring complete, sending report back to host");
-  cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),0,0);
-//     UsbSendPacket((uint8_t *)&c, sizeof(c));
+       cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),LF_Results,256);

        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

-  LED_A_OFF();
-  LED_B_OFF();
-  return;
+       LED_A_OFF();
+       LED_B_OFF();
+       return;

 }
 
 void MeasureAntennaTuningHf(void)
 }
 
 void MeasureAntennaTuningHf(void)


@@ -264,6 +258,7 @@ void MeasureAntennaTuningHf(void)
 
        for (;;) {
                // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
 
        for (;;) {
                // Let the FPGA drive the high-frequency antenna around 13.56 MHz.

+               FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

                FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
                SpinDelay(20);
                // Vref = 3300mV, and an 10:1 voltage divider on the input
                FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
                SpinDelay(20);
                // Vref = 3300mV, and an 10:1 voltage divider on the input


@@ -286,6 +281,7 @@ void SimulateTagHfListen(void)
 
        // We're using this mode just so that I can test it out; the simulated
        // tag mode would work just as well and be simpler.
 
        // We're using this mode just so that I can test it out; the simulated
        // tag mode would work just as well and be simpler.

+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR | FPGA_HF_READER_RX_XCORR_848_KHZ | FPGA_HF_READER_RX_XCORR_SNOOP);
 
        // We need to listen to the high-frequency, peak-detected path.
        FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR | FPGA_HF_READER_RX_XCORR_848_KHZ | FPGA_HF_READER_RX_XCORR_SNOOP);
 
        // We need to listen to the high-frequency, peak-detected path.


@@ -336,7 +332,7 @@ extern struct version_information version_information;
 extern char *_bootphase1_version_pointer, _flash_start, _flash_end;
 void SendVersion(void)
 {
 extern char *_bootphase1_version_pointer, _flash_start, _flash_end;
 void SendVersion(void)
 {

-       char temp[48]; /* Limited data payload in USB packets */
+       char temp[256]; /* Limited data payload in USB packets */

        DbpString("Prox/RFID mark3 RFID instrument");
 
        /* Try to find the bootrom version information. Expect to find a pointer at
        DbpString("Prox/RFID mark3 RFID instrument");
 
        /* Try to find the bootrom version information. Expect to find a pointer at


@@ -356,6 +352,8 @@ void SendVersion(void)
 
        FpgaGatherVersion(temp, sizeof(temp));
        DbpString(temp);
 
        FpgaGatherVersion(temp, sizeof(temp));
        DbpString(temp);

+       // Send Chip ID
+       cmd_send(CMD_ACK,*(AT91C_DBGU_CIDR),0,0,NULL,0);

 }
 
 #ifdef WITH_LF
 }
 
 #ifdef WITH_LF


@@ -363,6 +361,7 @@ void SendVersion(void)
 void SamyRun()
 {
        DbpString("Stand-alone mode! No PC necessary.");
 void SamyRun()
 {
        DbpString("Stand-alone mode! No PC necessary.");

+       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);

 
        // 3 possible options? no just 2 for now
 #define OPTS 2
 
        // 3 possible options? no just 2 for now
 #define OPTS 2


@@ -631,15 +630,28 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
                        ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
                        break;
                case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
                        ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
                        break;

+               case CMD_LF_SNOOP_RAW_ADC_SAMPLES:
+                       SnoopLFRawAdcSamples(c->arg[0], c->arg[1]);
+                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       break;

                case CMD_HID_DEMOD_FSK:
                case CMD_HID_DEMOD_FSK:

-                       CmdHIDdemodFSK(0, 0, 0, 1);                                     // Demodulate HID tag
+                       CmdHIDdemodFSK(c->arg[0], 0, 0, 1);                                     // Demodulate HID tag

                        break;
                case CMD_HID_SIM_TAG:
                        CmdHIDsimTAG(c->arg[0], c->arg[1], 1);                                  // Simulate HID tag by ID
                        break;
                        break;
                case CMD_HID_SIM_TAG:
                        CmdHIDsimTAG(c->arg[0], c->arg[1], 1);                                  // Simulate HID tag by ID
                        break;

-    case CMD_HID_CLONE_TAG: // Clone HID tag by ID to T55x7
+               case CMD_HID_CLONE_TAG: // Clone HID tag by ID to T55x7

                        CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
                        break;
                        CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
                        break;

+               case CMD_IO_DEMOD_FSK:
+                       CmdIOdemodFSK(c->arg[0], 0, 0, 1);                                      // Demodulate IO tag
+                       break;
+               case CMD_IO_CLONE_TAG: // Clone IO tag by ID to T55x7
+                       CopyIOtoT55x7(c->arg[0], c->arg[1], c->d.asBytes[0]);
+                       break;
+               case CMD_EM410X_DEMOD:
+                       CmdEM410xdemod(c->arg[0], 0, 0, 1);
+                       break;

                case CMD_EM410X_WRITE_TAG:
                        WriteEM410x(c->arg[0], c->arg[1], c->arg[2]);
                        break;
                case CMD_EM410X_WRITE_TAG:
                        WriteEM410x(c->arg[0], c->arg[1], c->arg[2]);
                        break;


@@ -780,12 +792,24 @@ void UsbPacketReceived(uint8_t *packet, int len)
                case CMD_MIFARE_READBL:
                        MifareReadBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_READBL:
                        MifareReadBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;

+               case CMD_MIFAREU_READBL:
+                       MifareUReadBlock(c->arg[0],c->d.asBytes);
+                       break;
+               case CMD_MIFAREU_READCARD:
+                       MifareUReadCard(c->arg[0],c->d.asBytes);
+                        break;

                case CMD_MIFARE_READSC:
                        MifareReadSector(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_WRITEBL:
                        MifareWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_READSC:
                        MifareReadSector(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_WRITEBL:
                        MifareWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;

+               case CMD_MIFAREU_WRITEBL_COMPAT:
+                       MifareUWriteBlock(c->arg[0], c->d.asBytes);
+                        break;
+               case CMD_MIFAREU_WRITEBL:
+                        MifareUWriteBlock_Special(c->arg[0], c->d.asBytes);
+                        break;

                case CMD_MIFARE_NESTED:
                        MifareNested(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;
                case CMD_MIFARE_NESTED:
                        MifareNested(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
                        break;


@@ -833,11 +857,14 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        SnoopIClass();
                        break;
                case CMD_SIMULATE_TAG_ICLASS:
                        SnoopIClass();
                        break;
                case CMD_SIMULATE_TAG_ICLASS:

-                       SimulateIClass(c->arg[0], c->d.asBytes);
+                       SimulateIClass(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);

                        break;
                case CMD_READER_ICLASS:
                        ReaderIClass(c->arg[0]);
                        break;
                        break;
                case CMD_READER_ICLASS:
                        ReaderIClass(c->arg[0]);
                        break;

+               case CMD_READER_ICLASS_REPLAY:
+                   ReaderIClass_Replay(c->arg[0], c->d.asBytes);
+                       break;

 #endif
 
                case CMD_SIMULATE_TAG_HF_LISTEN:
 #endif
 
                case CMD_SIMULATE_TAG_HF_LISTEN:


@@ -866,7 +893,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        LED_D_OFF(); // LED D indicates field ON or OFF
                        break;
 
                        LED_D_OFF(); // LED D indicates field ON or OFF
                        break;
 

-               case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: {
+               case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:

 //                     UsbCommand n;
 //                     if(c->cmd == CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K) {
 //                             n.cmd = CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K;
 //                     UsbCommand n;
 //                     if(c->cmd == CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K) {
 //                             n.cmd = CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K;


@@ -888,7 +915,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        // Trigger a finish downloading signal with an ACK frame
                        cmd_send(CMD_ACK,0,0,0,0,0);
                        LED_B_OFF();
                        // Trigger a finish downloading signal with an ACK frame
                        cmd_send(CMD_ACK,0,0,0,0,0);
                        LED_B_OFF();

-               } break;
+                       break;

 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
                        uint8_t *b = (uint8_t *)BigBuf;
 
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
                        uint8_t *b = (uint8_t *)BigBuf;


@@ -903,6 +930,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        break;
 
                case CMD_SET_LF_DIVISOR:
                        break;
 
                case CMD_SET_LF_DIVISOR:

+                       FpgaDownloadAndGo(FPGA_BITSTREAM_LF);

                        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, c->arg[0]);
                        break;
 
                        FpgaSendCommand(FPGA_CMD_SET_DIVISOR, c->arg[0]);
                        break;
 


@@ -997,7 +1025,8 @@ void  __attribute__((noreturn)) AppMain(void)
        AT91C_BASE_SSC->SSC_CR = AT91C_SSC_SWRST;
 
        // Load the FPGA image, which we have stored in our flash.
        AT91C_BASE_SSC->SSC_CR = AT91C_SSC_SWRST;
 
        // Load the FPGA image, which we have stored in our flash.

-       FpgaDownloadAndGo();
+       // (the HF version by default)
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);

 
        StartTickCount();
        
 
        StartTickCount();