fixed bug in CmdBiphaseDecodeRaw()

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index c4f0e8a353bcb3b93c3b02133bb06319b27268f3..fd31fac4f017e28db06b5f33b2618b0db4ea61f6 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -367,18 +367,20 @@ int Cmdmandecoderaw(const char *Cmd)
        return 1;
 }
 
-//by marshmellow
-//biphase decode
-//take 01 or 10 = 0 and 11 or 00 = 1
-//takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit
-// and "invert" default = 0 if 1 it will invert output
-//  the argument offset allows us to manually shift if the output is incorrect - [EDIT: now auto detects]
+/** 
+ * @author marshmellow
+ * biphase decode
+ * decdoes  01 or 10 to 0 and 11 or 00 to 1
+ * param offset adjust start position
+ * param invert invert output
+ * param maxErr maximum tolerated errors 
+ */
 int CmdBiphaseDecodeRaw(const char *Cmd)
 {
        size_t size=0;
        int offset=0, invert=0, maxErr=20, errCnt=0;
        char cmdp = param_getchar(Cmd, 0);
-       if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
+       if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') {
                PrintAndLog("Usage:  data biphaserawdecode [offset] [invert] [maxErr]");
                PrintAndLog("     Converts 10 or 01 to 1 and 11 or 00 to 0");
                PrintAndLog("     --must have binary sequence in demodbuffer (run data askrawdemod first)");