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/proxmark3.c

@@ -0,0 +1,91 @@
+#include <usb.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include <errno.h>
+#include <readline/readline.h>
+#include <readline/history.h>
+#include <pthread.h>
+
+#include "translate.h"
+#include "../winsrc/prox.h"
+#include "proxmark3.h"
+#include "proxgui.h"
+
+struct usb_receiver_arg {
+	int run;
+};
+
+static void *usb_receiver(void *targ) {
+	struct usb_receiver_arg *arg = (struct usb_receiver_arg*)targ;
+	UsbCommand cmdbuf;
+
+	while(arg->run) {
+		if (ReceiveCommandP(&cmdbuf) > 0) {
+			int i;
+
+			for (i=0; i<strlen(PROXPROMPT); i++)
+				putchar(0x08);
+
+			UsbCommandReceived(&cmdbuf);
+			printf(PROXPROMPT);
+			fflush(NULL);
+		}
+	}
+
+	pthread_exit(NULL);
+}
+
+static void *main_loop(void *targ)
+{
+	char *cmd = NULL;
+
+	while(1) {
+		struct usb_receiver_arg rarg;
+		pthread_t reader_thread;
+
+		rarg.run=1;
+		pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
+
+		cmd = readline(PROXPROMPT);
+		rarg.run=0;
+		pthread_join(reader_thread, NULL);
+
+		if (cmd) {
+			if (cmd[0] != 0x00) {
+				CommandReceived(cmd);
+				add_history(cmd);
+			}
+			free(cmd);
+		} else {
+			printf("\n");
+			break;
+		}
+	}
+
+	ExitGraphics();
+	pthread_exit(NULL);
+}
+
+int main(int argc, char **argv)
+{
+	pthread_t main_loop_t;
+	usb_init();
+
+	if (!(devh = OpenProxmark(1))) {
+		fprintf(stderr,"PROXMARK3: NOT FOUND!\n");
+		exit(1);
+	}
+
+	pthread_create(&main_loop_t, NULL, &main_loop, NULL);
+	InitGraphics(argc, argv);
+
+	MainGraphics();
+
+	pthread_join(main_loop_t, NULL);
+
+	CloseProxmark();
+	return 0;
+}