Initial commit for the firmware. Used the 20090306_ela version as baseline.

It is identical to the popular 20081211, with the doob addition (20090301), a
linux client, and two additional commands for LF analysis. Let me know if
you find issues here!

linux/snooper.c

@@ -0,0 +1,49 @@
+#include <usb.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include <errno.h>
+
+#include "translate.h"
+#include "../winsrc/prox.h"
+#include "proxmark3.h"
+
+#define HANDLE_ERROR if (error_occured) { \
+	error_occured = 0;\
+	break;\
+}
+
+int main()
+{
+	usb_init();
+	setlogfilename("snooper.log");
+
+	return_on_error = 1;
+
+	while(1) {
+		while(!(devh=OpenProxmark(0))) { sleep(1); }
+
+		while(1) {
+			UsbCommand cmdbuf;
+			int i;
+
+			CommandReceived("hi14asnoop");
+			HANDLE_ERROR
+
+			ReceiveCommand(&cmdbuf);
+			HANDLE_ERROR
+			for (i=0; i<5; i++) {
+				ReceiveCommandP(&cmdbuf);
+			}
+			HANDLE_ERROR
+
+			CommandReceived("hi14alist");
+			HANDLE_ERROR
+		}
+	}
+
+	CloseProxmark();
+	return 0;
+}