adjust t55x7 testmode write timing

[proxmark3-svn] / client / cmdlft55xx.c

diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index 72345c9d2a75d708aa2ccd829050d00543795b93..7999880c04bc71f449a491d90c7b152ce7d573b9 100644 (file)
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -141,15 +141,16 @@ int usage_t55xx_detect(){
        return 0;\r
 }\r
 int usage_t55xx_detectP1(){\r
-       PrintAndLog("Usage:  lf t55xx page1detect [1] [p <password>]");\r
+       PrintAndLog("Command: Detect Page 1 of a t55xx chip");\r
+       PrintAndLog("Usage:  lf t55xx p1detect [1] [p <password>]");\r
        PrintAndLog("Options:");\r
        PrintAndLog("     1             - if set, use Graphbuffer otherwise read data from tag.");\r
        PrintAndLog("     p <password>  - OPTIONAL password (8 hex characters)");\r
        PrintAndLog("");\r
        PrintAndLog("Examples:");\r
-       PrintAndLog("      lf t55xx page1detect");\r
-       PrintAndLog("      lf t55xx page1detect 1");\r
-       PrintAndLog("      lf t55xx page1detect p 11223344");\r
+       PrintAndLog("      lf t55xx p1detect");\r
+       PrintAndLog("      lf t55xx p1detect 1");\r
+       PrintAndLog("      lf t55xx p1detect p 11223344");\r
        PrintAndLog("");\r
        return 0;\r
 }\r
@@ -570,7 +571,7 @@ bool tryDetectModulation(){
                        }\r
                }\r
                clk = GetNrzClock("", false, false);\r
-               if (clk>0) {\r
+               if (clk>8) { //clock of rf/8 is likely a false positive, so don't use it.\r
                        if ( NRZrawDemod("0 0 1", false)  && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
                                tests[hits].modulation = DEMOD_NRZ;\r
                                tests[hits].bitrate = bitRate;\r