CHG: one step closer to finish merging @marshmellow42 's 4x05 changes.

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index b3debf1c791dbb78cdbc12d72abd6beb2af811de..92352438f6bfe2e0d133643fb70640f8829e047a 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -1030,6 +1030,33 @@ int CmdVchDemod(const char *Cmd) {
        return 0;
 }
 
+
+//by marshmellow
+int CheckChipset(bool getDeviceData) {
+
+       if (!getDeviceData) return 0;
+       
+       uint32_t word = 0;
+       save_restoreGB(1);
+       
+       //check for em4x05/em4x69 chips first
+       if (EM4x05IsBlock0(&word)) {
+               save_restoreGB(0);
+               PrintAndLog("\nValid EM4x05/EM4x69 Chipset found\nTry `lf em 4x05` commands\n");
+               return 1;
+       }
+
+       //TODO check for t55xx chip...
+       // if ( t55xxIsBlock0(() {
+       // save_restoreGB(0);
+       // PrintAndLog("\nValid T55xx Chipset found\nTry `lf t55xx` commands\n");
+       // return 1;
+       // }
+
+       save_restoreGB(0);
+       return 0;
+}
+
 //by marshmellow
 int CmdLFfind(const char *Cmd) {
        int ans = 0;
@@ -1038,7 +1065,9 @@ int CmdLFfind(const char *Cmd) {
        char testRaw = param_getchar(Cmd, 1);
        if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_lf_find();
 
-       if (!offline && (cmdp != '1')){
+       bool getDeviceData = (!offline && (cmdp != '1') );
+       
+       if (getDeviceData) {
                CmdLFRead("s");
                getSamples("30000", false);
        } else if (GraphTraceLen < minLength) {
@@ -1054,11 +1083,14 @@ int CmdLFfind(const char *Cmd) {
        size_t testLen = minLength;
        
        // only run these tests if device is online
-       if (!offline && (cmdp != '1')){
+       if (getDeviceData) {
 
                // only run if graphbuffer is just noise as it should be for hitag/cotag
                if (graphJustNoise(GraphBuffer, testLen)) {
                        
+                       if (CheckChipset(getDeviceData) )
+                               return 1;                       
+                       
                        ans=CmdLFHitagReader("26");
                        if (ans==0)
                                return 1;
@@ -1073,6 +1105,9 @@ int CmdLFfind(const char *Cmd) {
                }
        }
 
+       // identify chipset
+       CheckChipset(getDeviceData);
+       
        ans=CmdFSKdemodIO("");
        if (ans>0) {
                PrintAndLog("\nValid IO Prox ID Found!");