FIX: coverity scan error CID 121781, unused value. error 0x88 will be overritten...

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 4e1b7e34c161ffa030d2131ffffde7c3e61a8240..71d9ba95db49488dabf1c6c13f7ef0f6a6edc4ce 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -400,6 +400,17 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
        //FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_READER_FIELD);
        //FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_TOGGLE_MODE );
+
+       // set frequency,  get values from 'lf config' command
+       sample_config *sc = getSamplingConfig();
+
+       if ( (sc->divisor == 1) || (sc->divisor < 0) || (sc->divisor > 255) )
+               FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz
+       else if (sc->divisor == 0)
+               FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
+       else
+               FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc->divisor);
+       
        SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
        
        AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;
@@ -854,14 +865,13 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                                if (ledcontrol) LED_A_OFF();
                                *high = hi;
                                *low = lo;
-                               goto OUT;
+                               break;
                        }
                        // reset
                }
                hi2 = hi = lo = idx = 0;
                WDT_HIT();
        }
-OUT:   
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        DbpString("Stopped");
        if (ledcontrol) LED_A_OFF();
@@ -960,12 +970,12 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                                        break;          
                        }
                        if (findone)
-                               goto OUT;
+                               break;
 
                idx = 0;
                WDT_HIT();
        }
-OUT:   
+
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); 
        DbpString("Stopped");
        if (ledcontrol) LED_A_OFF();
@@ -1021,13 +1031,14 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
                                if (ledcontrol) LED_A_OFF();
                                *high=lo>>32;
                                *low=lo & 0xFFFFFFFF;
-                               return;
+                               break;
                        }
                }
                WDT_HIT();
                hi = lo = size = idx = 0;
                clk = invert = errCnt = 0;
        }
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);         
        DbpString("Stopped");
        if (ledcontrol) LED_A_OFF();
 }
@@ -1106,7 +1117,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
                                if (ledcontrol) LED_A_OFF();
                                *high=code;
                                *low=code2;
-                               goto OUT;
+                               break;
                        }
                        code=code2=0;
                        version=facilitycode=0;
@@ -1115,7 +1126,6 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 
                WDT_HIT();
        }
-OUT:   
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);         
        DbpString("Stopped");
        if (ledcontrol) LED_A_OFF();
@@ -1273,7 +1283,7 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
 
        // Set up FPGA, 125kHz to power up the tag
        LFSetupFPGAForADC(95, true);
-       SpinDelay(3);
+       //SpinDelay(3);
        
        // Trigger T55x7 Direct Access Mode with start gap
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
@@ -1300,7 +1310,7 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
        TurnReadLFOn(READ_GAP);
        
        // Acquisition
-       doT55x7Acquisition(12000);
+       doT55x7Acquisition(7679);
        
        // Turn the field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
@@ -1359,7 +1369,7 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
                data[4] = manchesterEncode2Bytes(hi & 0xFFFF);
                data[5] = manchesterEncode2Bytes(lo >> 16);
                data[6] = manchesterEncode2Bytes(lo & 0xFFFF);
-       }       else {
+       } else {
                // Ensure no more than 44 bits supplied
                if (hi > 0xFFF) {
                        DbpString("Tags can only have 44 bits.");
@@ -1379,13 +1389,8 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
        // data[0] = (((50-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | last_block << T5555_MAXBLOCK_SHIFT;
 
        LED_D_ON();
-       // Program the data blocks for supplied ID
-       // and the block 0 for HID format
        WriteT55xx(data, 0, last_block+1);
-
        LED_D_OFF();
-
-       DbpString("DONE!");
 }
 
 void CopyIOtoT55x7(uint32_t hi, uint32_t lo) {
@@ -1399,7 +1404,6 @@ void CopyIOtoT55x7(uint32_t hi, uint32_t lo) {
        // and the block 0 config
        WriteT55xx(data, 0, 3);
        LED_D_OFF();
-       DbpString("DONE!");
 }
 
 // Clone Indala 64-bit tag by UID to T55x7
@@ -1413,7 +1417,6 @@ void CopyIndala64toT55x7(uint32_t hi, uint32_t lo) {
        WriteT55xx(data, 0, 3);
        //Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=2;Inverse data)
        //      T5567WriteBlock(0x603E1042,0);
-       DbpString("DONE!");
 }
 // Clone Indala 224-bit tag by UID to T55x7
 void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t uid4, uint32_t uid5, uint32_t uid6, uint32_t uid7) {
@@ -1427,7 +1430,6 @@ void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t
        WriteT55xx(data, 0, 8);
        //Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=7;Inverse data)
        //      T5567WriteBlock(0x603E10E2,0);
-       DbpString("DONE!");
 }
 // clone viking tag to T55xx
 void CopyVikingtoT55xx(uint32_t block1, uint32_t block2, uint8_t Q5) {