CHG: The jablotron demod now deals with the strangeness of hex symbols A-F in cardid...

diff --git a/client/cmdlfjablotron.c b/client/cmdlfjablotron.c
index bbe39a5270bf47c0e07a919536052b089566a403..73a377923a2bf989f545a599c2cb719051b6de76 100644 (file)
--- a/client/cmdlfjablotron.c
+++ b/client/cmdlfjablotron.c
@@ -6,6 +6,7 @@
 //-----------------------------------------------------------------------------
 // Low frequency Presco tag commands
 //-----------------------------------------------------------------------------
+#include <math.h>
 #include "cmdlfjablotron.h"
 
 static int CmdHelp(const char *Cmd);
@@ -57,6 +58,17 @@ int getJablotronBits(uint64_t fullcode, uint8_t *bits) {
        return 1;
 }
 
+static uint64_t getJablontronCardId( uint64_t rawcode ){
+       uint64_t id = 0;
+       uint8_t bytes[] = {0,0,0,0,0};
+       num_to_bytes(rawcode, 5, bytes);
+       for ( int i = 4, j = 0; i > -1;  --i, j += 2 ) {
+               id += NIBBLE_LOW( bytes[i] ) * (int)pow(10,j);
+               id += NIBBLE_HIGH( bytes[i] ) * (int)pow(10,j+1);
+       }
+       return id;
+}
+
 //see ASKDemod for what args are accepted
 int CmdJablotronDemod(const char *Cmd) {
 
@@ -93,11 +105,11 @@ int CmdJablotronDemod(const char *Cmd) {
        //got a good demod
        uint32_t raw1 = bytebits_to_byte(DemodBuffer, 32);
        uint32_t raw2 = bytebits_to_byte(DemodBuffer+32, 32);
-       uint64_t cardid = (raw1 & 0xFFFF);
-       cardid <<= 24;
-       cardid |= (raw2 >> 8);
-       
-       PrintAndLog("Jablotron Tag Found: Card ID %"PRIx64, cardid);
+
+       uint64_t rawid = bytebits_to_byte(DemodBuffer+16, 40);
+       uint64_t id = getJablontronCardId(rawid);
+
+       PrintAndLog("Jablotron Tag Found: Card ID %u", id);
        PrintAndLog("Raw: %08X%08X", raw1 ,raw2);
 
        uint8_t chksum = raw2 & 0xFF;
@@ -105,13 +117,14 @@ int CmdJablotronDemod(const char *Cmd) {
                chksum,
                (chksum == jablontron_chksum(DemodBuffer)) ? "OK":"FAIL"                
        );
-               
+
+       id = DEC2BCD(id);
        // Printed format: 1410-nn-nnnn-nnnn    
-       PrintAndLog("Printed:  1410-%02X-%04X-%04X",
-               (raw1 & 0x0000FF00) >> 8,
-               (raw1 & 0xFF) << 8 | ((raw2 >> 24) & 0xFF),
-               (raw2 & 0x00FFFF00) >> 8
-       );      
+       PrintAndLog("Printed: 1410-%02X-%04X-%04X",
+               (uint8_t)(id >> 32) & 0xFF,
+               (uint16_t)(id >> 16) & 0xFFFF,
+               (uint16_t)id & 0xFFFF
+       );
        return 1;
 }