Merge remote-tracking branch 'upstream/master'

[proxmark3-svn] / client / cmdhf14a.c

diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index 593661a5cc096f13842c18b9113e211015899a6b..744b38758588d27342b229d33b3b5223accc4753 100644 (file)
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -129,11 +129,6 @@ int CmdHF14AList(const char *Cmd)
        return 0;
 }
 
-void iso14a_set_timeout(uint32_t timeout) {
-       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
-       SendCommand(&c);
-}
-
 int CmdHF14AReader(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
@@ -346,7 +341,7 @@ int CmdHF14AReader(const char *Cmd)
        SendCommand(&c);
        WaitForResponse(CMD_ACK,&resp);
        uint8_t isOK  = resp.arg[0] & 0xff;
-       PrintAndLog(" Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
+       PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
        
        // disconnect
        c.cmd = CMD_READER_ISO_14443a;
@@ -480,7 +475,8 @@ int CmdHF14ASim(const char *Cmd)
 int CmdHF14ASnoop(const char *Cmd) {
        int param = 0;
        
-       if (param_getchar(Cmd, 0) == 'h') {
+       uint8_t ctmp = param_getchar(Cmd, 0) ;
+       if (ctmp == 'h' || ctmp == 'H') {
                PrintAndLog("It get data from the field and saves it into command buffer.");
                PrintAndLog("Buffer accessible from command hf list 14a.");
                PrintAndLog("Usage:  hf 14a snoop [c][r]");
@@ -491,7 +487,7 @@ int CmdHF14ASnoop(const char *Cmd) {
        }       
        
        for (int i = 0; i < 2; i++) {
-               char ctmp = param_getchar(Cmd, i);
+               ctmp = param_getchar(Cmd, i);
                if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
                if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
        }
@@ -509,12 +505,13 @@ int CmdHF14ACmdRaw(const char *cmd) {
     uint8_t active=0;
     uint8_t active_select=0;
     uint16_t numbits=0;
-       uint16_t timeout=0;
+       uint32_t timeout=0;
        uint8_t bTimeout=0;
     char buf[5]="";
     int i=0;
     uint8_t data[USB_CMD_DATA_SIZE];
-    unsigned int datalen=0, temp;
+       uint16_t datalen=0;
+       uint32_t temp;
 
     if (strlen(cmd)<2) {
         PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
@@ -524,7 +521,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
         PrintAndLog("       -a    active signal field ON without select");
         PrintAndLog("       -s    active signal field ON with select");
         PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
-               PrintAndLog("       -t    timeout");
+               PrintAndLog("       -t    timeout in ms");
         return 0;
     }
 
@@ -560,7 +557,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
                                case 't':
                                        bTimeout=1;
                                        sscanf(cmd+i+2,"%d",&temp);
-                                       timeout = temp & 0xFFFF;
+                                       timeout = temp;
                                        i+=3;
                                        while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
                                        i+=2;
@@ -609,13 +606,13 @@ int CmdHF14ACmdRaw(const char *cmd) {
             c.arg[0] |= ISO14A_NO_SELECT;
     }
        if(bTimeout){
-           #define MAX_TIMEOUT 624*105 // max timeout is 624 ms
+           #define MAX_TIMEOUT 40542464        // (2^32-1) * (8*16) / 13560000Hz * 1000ms/s = 
         c.arg[0] |= ISO14A_SET_TIMEOUT;
-        c.arg[2] = timeout * 105; // each bit is about 9.4 us
-        if(c.arg[2]>MAX_TIMEOUT) {
-            c.arg[2] = MAX_TIMEOUT;
-            PrintAndLog("Set timeout to 624 ms. The max we can wait for response");
+        if(timeout > MAX_TIMEOUT) {
+            timeout = MAX_TIMEOUT;
+            PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
         }
+        c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
        }
     if(power)
         c.arg[0] |= ISO14A_NO_DISCONNECT;
@@ -670,7 +667,7 @@ static command_t CommandTable[] =
   {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
-  {"sim",    CmdHF14ASim,          0, "<UID> -- Fake ISO 14443a tag"},
+  {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
   {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}