ADD: `analyse nuid` - generates NUID 4byte from a UID 7byte. Mifare Classic Ev1...

[proxmark3-svn] / client / cmdlfpcf7931.c

diff --git a/client/cmdlfpcf7931.c b/client/cmdlfpcf7931.c
index 90fa55822052851904d985c6c917716bb3f10c1b..5cc576fe5bb9f436a1ba107d9509bdd355c639c4 100644 (file)
--- a/client/cmdlfpcf7931.c
+++ b/client/cmdlfpcf7931.c
@@ -66,7 +66,7 @@ int usage_pcf7931_write(){
        PrintAndLog("Options:");
        PrintAndLog("       h                      This help");
        PrintAndLog("       blockaddress   Block to save [0-7]");
-       PrintAndLog("       byteaddress    Index of byte inside block to write [0-3]");
+       PrintAndLog("       byteaddress    Index of byte inside block to write [0-15]");
        PrintAndLog("       data           one byte of data (hex)");
        PrintAndLog("Examples:");
        PrintAndLog("      lf pcf7931 write 2 1 FF");
@@ -136,7 +136,7 @@ int CmdLFPCF7931Write(const char *Cmd){
        if ( param_getdec(Cmd, 0, &block) ) return usage_pcf7931_write();
        if ( param_getdec(Cmd, 1, &bytepos) ) return usage_pcf7931_write();
        
-       if ( (block > 7) || (bytepos > 3) ) return usage_pcf7931_write();
+       if ( (block > 7) || (bytepos > 15) ) return usage_pcf7931_write();
 
        data    = param_get8ex(Cmd, 2, 0, 16);
        
@@ -159,20 +159,19 @@ int CmdLFPCF7931Write(const char *Cmd){
 static command_t CommandTable[] = 
 {
        {"help",        CmdHelp,                        1, "This help"},
-       {"read",        CmdLFPCF7931Read,       1, "Read content of a PCF7931 transponder"},
-       {"write",       CmdLFPCF7931Write,      1, "Write data on a PCF7931 transponder."},
+       {"read",   CmdLFPCF7931Read,   0, "Read content of a PCF7931 transponder"},
+       {"write",  CmdLFPCF7931Write,  0, "Write data on a PCF7931 transponder."},
        {"config",      CmdLFPCF7931Config, 1, "Configure the password, the tags initialization delay and time offsets (optional)"},
        {NULL, NULL, 0, NULL}
 };
 
-int CmdLFPCF7931(const char *Cmd)
-{
+int CmdLFPCF7931(const char *Cmd) {
+       clearCommandBuffer();
        CmdsParse(CommandTable, Cmd);
        return 0;
 }
 
-int CmdHelp(const char *Cmd)
-{
+int CmdHelp(const char *Cmd) {
        CmdsHelp(CommandTable);
        return 0;
 }